From joshuar@isogen.com  Mon Mar  4 21:00:31 2002
From: joshuar@isogen.com (Joshua Reynolds)
Date: Mon, 04 Mar 2002 15:00:31 -0600
Subject: [python-win32] COM, Acrobat and JavaScript
Message-ID: <3C83E06F.9090306@isogen.com>


Problem:

The functionality that I need to use from Acrobat is on a javascript 
object (returned type defined in the Automation interface as an 
LDispatch*).  I haven't had any problems using any of their other OLE 
components through python, but when I try to use the root javascript 
object -- or any other javascript objects accessed through it.

I can get at all of the attributes on the javascript objects, but if I 
try to call a method on it, it fails.

Here is the full calling sequence that brings me to failure

 >>> from win32com.client import Dispatch
 >>> app = Dispatch("AcroExch.App")
 >>> app
<COMObject AcroExch.App>
 >>> pddoc = Dispatch("AcroExch.PDdoc")
 >>> pddoc.Open("d:\\tmp\\cn_final.pdf")
1
 >>> jso = pddoc.getJsobject
 >>> jso
<COMObject <unknown>>
 >>> jso.app.formsVersion
5.0
 >>> jso.console.Show
Traceback (most recent call last):
   File "<interactive input>", line 1, in ?
   File 
"D:\programs\Python2.2\lib\site-packages\win32com\client\dynamic.py", 
line 432, in __getattr__
     raise pythoncom.com_error, details
com_error: (-2147467263, 'Not implemented', None, None)

in the above, app.formsVersion is an attribute, and console.Show  is a 
parameterless method.

Here are some potentially useful snippets from the Acrobat docs on using 
the JSObject in Visual Basic.



6. JSObject always returns values as Variants. This includes property 
gets as well as
return values from method calls. An empty Variant is used when a null 
return value
is expected. When JSObject returns an array, each element in the array
is a
Variant. To determine the actual data type of a Variant, use the utility 
functions
IsArray, IsNumeric, IsEmpty, IsObject, and VarType from the Information
module of the VBA library.
7. JSObject can process most elemental Visual Basic types for property 
puts and
input parameters to method calls, including Variant, Array, Boolean, 
String, Date,
Double, Long, Integer, and Byte. JSObject can accept Object parameters, 
but only
when the Object was the result of a property get or method call to a 
JSObject.
JSObject fails to accept values of type Error and Currency.

I have verified that I can access the methods on JSObject as well as 
subObjects, but I would really really like to be able to use this stuff 
through python.

Any ideas on how i can get access to any of those methods?



Thanks,
Joshua



-- 
Joshua Reynolds | Consultant

Isogen International
Office: 512-302-9879
Main:   512-380-0347
Cell:   512-743-3865
1016 La Posada Suite 240
Austin, TX 78752



From toodles@yifan.net  Tue Mar  5 05:18:04 2002
From: toodles@yifan.net (Andy W)
Date: Tue, 5 Mar 2002 13:18:04 +0800
Subject: [python-win32] SendMessage & WM_SYSKEYDOWN (Newbie)
Message-ID: <001301c1c405$220c0c20$3100a8c0@sun>

Hi,

I am quite new to using the win32 programming, and would love some answers.

I am making a program that sends key and mouse messages to a window external
to it. I have managed to send WM_KEYDOWN, WM_CHAR and WM_KEYUP messages
successfully, as well as other non keyboard-related messages.
The program whose window that I wish to send messages to has customisable
hot-keys. ALT-P is one of them. I have looked through the win32gui
documents, and also have searched on the web. I found some websites saying
that I should send a WM_SYSKEYDOWN message. It was a little vague, and in
VB, so as a newbie I wasn't terribly confident in getting the right result.

I did the following:
win32gui.SendMessage(hWnd, WM_SYSKEYDOWN, ord("P"), 0)

This did nothing. Another website I looked at told me to set the 29th bit of
lparam. I did this, but still nothing...

Can someone please show how I should send such a message. I also would like
to do add control & shift modifiers, and have combinations.
If this request generates an "RTFM" reply, could someone please point me to
the "FM".

Thanks,
Andy W



From mhammond@skippinet.com.au  Tue Mar  5 05:40:00 2002
From: mhammond@skippinet.com.au (Mark Hammond)
Date: Tue, 5 Mar 2002 16:40:00 +1100
Subject: [python-win32] COM, Acrobat and JavaScript
In-Reply-To: <3C83E06F.9090306@isogen.com>
Message-ID: <LCEPIIGDJPKCOIHOBJEPIENFFDAA.mhammond@skippinet.com.au>

Try running makepy over the Acrobat type library.  Look for documentation on
makepy in the COM readme.

Mark,

> -----Original Message-----
> From: python-win32-admin@python.org
> [mailto:python-win32-admin@python.org]On Behalf Of Joshua Reynolds
> Sent: Tuesday, 5 March 2002 8:01 AM
> To: python-win32
> Subject: [python-win32] COM, Acrobat and JavaScript
>
>
>
>
> Problem:
>
> The functionality that I need to use from Acrobat is on a javascript
> object (returned type defined in the Automation interface as an
> LDispatch*).  I haven't had any problems using any of their other OLE
> components through python, but when I try to use the root javascript
> object -- or any other javascript objects accessed through it.
>
> I can get at all of the attributes on the javascript objects, but if I
> try to call a method on it, it fails.
>
> Here is the full calling sequence that brings me to failure
>
>  >>> from win32com.client import Dispatch
>  >>> app = Dispatch("AcroExch.App")
>  >>> app
> <COMObject AcroExch.App>
>  >>> pddoc = Dispatch("AcroExch.PDdoc")
>  >>> pddoc.Open("d:\\tmp\\cn_final.pdf")
> 1
>  >>> jso = pddoc.getJsobject
>  >>> jso
> <COMObject <unknown>>
>  >>> jso.app.formsVersion
> 5.0
>  >>> jso.console.Show
> Traceback (most recent call last):
>    File "<interactive input>", line 1, in ?
>    File
> "D:\programs\Python2.2\lib\site-packages\win32com\client\dynamic.py",
> line 432, in __getattr__
>      raise pythoncom.com_error, details
> com_error: (-2147467263, 'Not implemented', None, None)
>
> in the above, app.formsVersion is an attribute, and console.Show  is a
> parameterless method.
>
> Here are some potentially useful snippets from the Acrobat docs on using
> the JSObject in Visual Basic.
>
>
>
> 6. JSObject always returns values as Variants. This includes property
> gets as well as
> return values from method calls. An empty Variant is used when a null
> return value
> is expected. When JSObject returns an array, each element in the array
> is a
> Variant. To determine the actual data type of a Variant, use the utility
> functions
> IsArray, IsNumeric, IsEmpty, IsObject, and VarType from the Information
> module of the VBA library.
> 7. JSObject can process most elemental Visual Basic types for property
> puts and
> input parameters to method calls, including Variant, Array, Boolean,
> String, Date,
> Double, Long, Integer, and Byte. JSObject can accept Object parameters,
> but only
> when the Object was the result of a property get or method call to a
> JSObject.
> JSObject fails to accept values of type Error and Currency.
>
> I have verified that I can access the methods on JSObject as well as
> subObjects, but I would really really like to be able to use this stuff
> through python.
>
> Any ideas on how i can get access to any of those methods?
>
>
>
> Thanks,
> Joshua
>
>
>
> --
> Joshua Reynolds | Consultant
>
> Isogen International
> Office: 512-302-9879
> Main:   512-380-0347
> Cell:   512-743-3865
> 1016 La Posada Suite 240
> Austin, TX 78752
>
>
> _______________________________________________
> Python-win32 mailing list
> Python-win32@python.org
> http://mail.python.org/mailman/listinfo/python-win32



From mhammond@skippinet.com.au  Tue Mar  5 05:42:02 2002
From: mhammond@skippinet.com.au (Mark Hammond)
Date: Tue, 5 Mar 2002 16:42:02 +1100
Subject: [python-win32] SendMessage & WM_SYSKEYDOWN (Newbie)
In-Reply-To: <001301c1c405$220c0c20$3100a8c0@sun>
Message-ID: <LCEPIIGDJPKCOIHOBJEPKENFFDAA.mhammond@skippinet.com.au>

This problem is more a generic Win32 problem than a Python one.  Eg, it may
be as simple as sending a WM_SYSKEYUP after the key down message.

Try and find the answer for *any* language.  Then, once we know we have a
technique that works, we can implement it in Python.

Mark.

> -----Original Message-----
> From: python-win32-admin@python.org
> [mailto:python-win32-admin@python.org]On Behalf Of Andy W
> Sent: Tuesday, 5 March 2002 4:18 PM
> To: python-win32
> Subject: [python-win32] SendMessage & WM_SYSKEYDOWN (Newbie)
>
>
> Hi,
>
> I am quite new to using the win32 programming, and would love
> some answers.
>
> I am making a program that sends key and mouse messages to a
> window external
> to it. I have managed to send WM_KEYDOWN, WM_CHAR and WM_KEYUP messages
> successfully, as well as other non keyboard-related messages.
> The program whose window that I wish to send messages to has customisable
> hot-keys. ALT-P is one of them. I have looked through the win32gui
> documents, and also have searched on the web. I found some websites saying
> that I should send a WM_SYSKEYDOWN message. It was a little vague, and in
> VB, so as a newbie I wasn't terribly confident in getting the
> right result.
>
> I did the following:
> win32gui.SendMessage(hWnd, WM_SYSKEYDOWN, ord("P"), 0)
>
> This did nothing. Another website I looked at told me to set the
> 29th bit of
> lparam. I did this, but still nothing...
>
> Can someone please show how I should send such a message. I also
> would like
> to do add control & shift modifiers, and have combinations.
> If this request generates an "RTFM" reply, could someone please
> point me to
> the "FM".
>
> Thanks,
> Andy W
>
>
> _______________________________________________
> Python-win32 mailing list
> Python-win32@python.org
> http://mail.python.org/mailman/listinfo/python-win32
>



From joshuar@isogen.com  Tue Mar  5 15:43:01 2002
From: joshuar@isogen.com (Joshua Reynolds)
Date: Tue, 05 Mar 2002 09:43:01 -0600
Subject: [python-win32] COM, Acrobat and JavaScript
References: <LCEPIIGDJPKCOIHOBJEPIENFFDAA.mhammond@skippinet.com.au>
Message-ID: <3C84E785.4040001@isogen.com>

I've already tried that and it doesn't seem to get me anything.  I run 
makepy and it generates the file, but when I print out the objects I get 
they are still <COMObject AcroExch.App> or <COMObject <unknown>>.

In the Acrobat documentation they say they don't define any interface 
for the JSObject, just use IDispatch.  I don't know if this helps, but 
the only difference I can tell between the JSObject and any of their 
other interfaces etc. is that the JSOBject return type from the 
getJSOBject call is defined as LDispatch* (is this a typo and supposed 
to say LPDispatch*) whereas all of the other com objects are returned as 
types LPDispatch (no *).  I am kind of blissfully ignorant of the magic 
that is going on in the python com mapping.

Oh yeah, I am running Python 2.2 with the build 146.

Any other suggestions?

Thanks a million,

Joshua

Mark Hammond wrote:
> Try running makepy over the Acrobat type library.  Look for documentation on
> makepy in the COM readme.
> 
> Mark,
> 
> 
>>-----Original Message-----
>>From: python-win32-admin@python.org
>>[mailto:python-win32-admin@python.org]On Behalf Of Joshua Reynolds
>>Sent: Tuesday, 5 March 2002 8:01 AM
>>To: python-win32
>>Subject: [python-win32] COM, Acrobat and JavaScript
>>
>>
>>
>>
>>Problem:
>>
>>The functionality that I need to use from Acrobat is on a javascript
>>object (returned type defined in the Automation interface as an
>>LDispatch*).  I haven't had any problems using any of their other OLE
>>components through python, but when I try to use the root javascript
>>object -- or any other javascript objects accessed through it.
>>
>>I can get at all of the attributes on the javascript objects, but if I
>>try to call a method on it, it fails.
>>
>>Here is the full calling sequence that brings me to failure
>>
>> >>> from win32com.client import Dispatch
>> >>> app = Dispatch("AcroExch.App")
>> >>> app
>><COMObject AcroExch.App>
>> >>> pddoc = Dispatch("AcroExch.PDdoc")
>> >>> pddoc.Open("d:\\tmp\\cn_final.pdf")
>>1
>> >>> jso = pddoc.getJsobject
>> >>> jso
>><COMObject <unknown>>
>> >>> jso.app.formsVersion
>>5.0
>> >>> jso.console.Show
>>Traceback (most recent call last):
>>   File "<interactive input>", line 1, in ?
>>   File
>>"D:\programs\Python2.2\lib\site-packages\win32com\client\dynamic.py",
>>line 432, in __getattr__
>>     raise pythoncom.com_error, details
>>com_error: (-2147467263, 'Not implemented', None, None)
>>
>>in the above, app.formsVersion is an attribute, and console.Show  is a
>>parameterless method.
>>
>>Here are some potentially useful snippets from the Acrobat docs on using
>>the JSObject in Visual Basic.
>>
>>
>>
>>6. JSObject always returns values as Variants. This includes property
>>gets as well as
>>return values from method calls. An empty Variant is used when a null
>>return value
>>is expected. When JSObject returns an array, each element in the array
>>is a
>>Variant. To determine the actual data type of a Variant, use the utility
>>functions
>>IsArray, IsNumeric, IsEmpty, IsObject, and VarType from the Information
>>module of the VBA library.
>>7. JSObject can process most elemental Visual Basic types for property
>>puts and
>>input parameters to method calls, including Variant, Array, Boolean,
>>String, Date,
>>Double, Long, Integer, and Byte. JSObject can accept Object parameters,
>>but only
>>when the Object was the result of a property get or method call to a
>>JSObject.
>>JSObject fails to accept values of type Error and Currency.
>>
>>I have verified that I can access the methods on JSObject as well as
>>subObjects, but I would really really like to be able to use this stuff
>>through python.
>>
>>Any ideas on how i can get access to any of those methods?
>>
>>
>>
>>Thanks,
>>Joshua
>>
>>
>>
>>--
>>Joshua Reynolds | Consultant
>>
>>Isogen International
>>Office: 512-302-9879
>>Main:   512-380-0347
>>Cell:   512-743-3865
>>1016 La Posada Suite 240
>>Austin, TX 78752
>>
>>
>>_______________________________________________
>>Python-win32 mailing list
>>Python-win32@python.org
>>http://mail.python.org/mailman/listinfo/python-win32
>>
> 
> 
> _______________________________________________
> Python-win32 mailing list
> Python-win32@python.org
> http://mail.python.org/mailman/listinfo/python-win32
> 
> 
> 


-- 
Joshua Reynolds | Consultant

Isogen International
Office: 512-302-9879
Main:   512-380-0347
Cell:   512-743-3865
1016 La Posada Suite 240
Austin, TX 78752



From mhammond@skippinet.com.au  Tue Mar  5 22:51:14 2002
From: mhammond@skippinet.com.au (Mark Hammond)
Date: Wed, 6 Mar 2002 09:51:14 +1100
Subject: [python-win32] COM, Acrobat and JavaScript
In-Reply-To: <3C84E785.4040001@isogen.com>
Message-ID: <LCEPIIGDJPKCOIHOBJEPCEOEFDAA.mhammond@skippinet.com.au>

The other alternative is to modify win32com\client\dynamic.py.  Near the top
of the file, find the list ERRORS_BAD_CONTEXT.  Try adding
winerror.E_NOTIMPL to this list and see if it solves the problem.

Mark.

> -----Original Message-----
> From: Joshua Reynolds [mailto:joshuar@isogen.com]
> Sent: Wednesday, 6 March 2002 2:43 AM
> To: Mark Hammond
> Cc: python-win32@python.org
> Subject: Re: [python-win32] COM, Acrobat and JavaScript
>
>
> I've already tried that and it doesn't seem to get me anything.  I run
> makepy and it generates the file, but when I print out the objects I get
> they are still <COMObject AcroExch.App> or <COMObject <unknown>>.
>
> In the Acrobat documentation they say they don't define any interface
> for the JSObject, just use IDispatch.  I don't know if this helps, but
> the only difference I can tell between the JSObject and any of their
> other interfaces etc. is that the JSOBject return type from the
> getJSOBject call is defined as LDispatch* (is this a typo and supposed
> to say LPDispatch*) whereas all of the other com objects are returned as
> types LPDispatch (no *).  I am kind of blissfully ignorant of the magic
> that is going on in the python com mapping.
>
> Oh yeah, I am running Python 2.2 with the build 146.
>
> Any other suggestions?
>
> Thanks a million,
>
> Joshua
>
> Mark Hammond wrote:
> > Try running makepy over the Acrobat type library.  Look for
> documentation on
> > makepy in the COM readme.
> >
> > Mark,
> >
> >
> >>-----Original Message-----
> >>From: python-win32-admin@python.org
> >>[mailto:python-win32-admin@python.org]On Behalf Of Joshua Reynolds
> >>Sent: Tuesday, 5 March 2002 8:01 AM
> >>To: python-win32
> >>Subject: [python-win32] COM, Acrobat and JavaScript
> >>
> >>
> >>
> >>
> >>Problem:
> >>
> >>The functionality that I need to use from Acrobat is on a javascript
> >>object (returned type defined in the Automation interface as an
> >>LDispatch*).  I haven't had any problems using any of their other OLE
> >>components through python, but when I try to use the root javascript
> >>object -- or any other javascript objects accessed through it.
> >>
> >>I can get at all of the attributes on the javascript objects, but if I
> >>try to call a method on it, it fails.
> >>
> >>Here is the full calling sequence that brings me to failure
> >>
> >> >>> from win32com.client import Dispatch
> >> >>> app = Dispatch("AcroExch.App")
> >> >>> app
> >><COMObject AcroExch.App>
> >> >>> pddoc = Dispatch("AcroExch.PDdoc")
> >> >>> pddoc.Open("d:\\tmp\\cn_final.pdf")
> >>1
> >> >>> jso = pddoc.getJsobject
> >> >>> jso
> >><COMObject <unknown>>
> >> >>> jso.app.formsVersion
> >>5.0
> >> >>> jso.console.Show
> >>Traceback (most recent call last):
> >>   File "<interactive input>", line 1, in ?
> >>   File
> >>"D:\programs\Python2.2\lib\site-packages\win32com\client\dynamic.py",
> >>line 432, in __getattr__
> >>     raise pythoncom.com_error, details
> >>com_error: (-2147467263, 'Not implemented', None, None)
> >>
> >>in the above, app.formsVersion is an attribute, and console.Show  is a
> >>parameterless method.
> >>
> >>Here are some potentially useful snippets from the Acrobat docs on using
> >>the JSObject in Visual Basic.
> >>
> >>
> >>
> >>6. JSObject always returns values as Variants. This includes property
> >>gets as well as
> >>return values from method calls. An empty Variant is used when a null
> >>return value
> >>is expected. When JSObject returns an array, each element in the array
> >>is a
> >>Variant. To determine the actual data type of a Variant, use the utility
> >>functions
> >>IsArray, IsNumeric, IsEmpty, IsObject, and VarType from the Information
> >>module of the VBA library.
> >>7. JSObject can process most elemental Visual Basic types for property
> >>puts and
> >>input parameters to method calls, including Variant, Array, Boolean,
> >>String, Date,
> >>Double, Long, Integer, and Byte. JSObject can accept Object parameters,
> >>but only
> >>when the Object was the result of a property get or method call to a
> >>JSObject.
> >>JSObject fails to accept values of type Error and Currency.
> >>
> >>I have verified that I can access the methods on JSObject as well as
> >>subObjects, but I would really really like to be able to use this stuff
> >>through python.
> >>
> >>Any ideas on how i can get access to any of those methods?
> >>
> >>
> >>
> >>Thanks,
> >>Joshua
> >>
> >>
> >>
> >>--
> >>Joshua Reynolds | Consultant
> >>
> >>Isogen International
> >>Office: 512-302-9879
> >>Main:   512-380-0347
> >>Cell:   512-743-3865
> >>1016 La Posada Suite 240
> >>Austin, TX 78752
> >>
> >>
> >>_______________________________________________
> >>Python-win32 mailing list
> >>Python-win32@python.org
> >>http://mail.python.org/mailman/listinfo/python-win32
> >>
> >
> >
> > _______________________________________________
> > Python-win32 mailing list
> > Python-win32@python.org
> > http://mail.python.org/mailman/listinfo/python-win32
> >
> >
> >
>
>
> --
> Joshua Reynolds | Consultant
>
> Isogen International
> Office: 512-302-9879
> Main:   512-380-0347
> Cell:   512-743-3865
> 1016 La Posada Suite 240
> Austin, TX 78752
>



From joshuar@isogen.com  Wed Mar  6 16:02:34 2002
From: joshuar@isogen.com (Joshua Reynolds)
Date: Wed, 06 Mar 2002 10:02:34 -0600
Subject: [python-win32] COM, Acrobat and JavaScript
References: <LCEPIIGDJPKCOIHOBJEPCEOEFDAA.mhammond@skippinet.com.au>
Message-ID: <3C863D9A.7000707@isogen.com>

That worked.  What is this list for?

Thanks for your help,

Joshua

Mark Hammond wrote:
> The other alternative is to modify win32com\client\dynamic.py.  Near the top
> of the file, find the list ERRORS_BAD_CONTEXT.  Try adding
> winerror.E_NOTIMPL to this list and see if it solves the problem.
> 
> Mark.
> 
> 
>>-----Original Message-----
>>From: Joshua Reynolds [mailto:joshuar@isogen.com]
>>Sent: Wednesday, 6 March 2002 2:43 AM
>>To: Mark Hammond
>>Cc: python-win32@python.org
>>Subject: Re: [python-win32] COM, Acrobat and JavaScript
>>
>>
>>I've already tried that and it doesn't seem to get me anything.  I run
>>makepy and it generates the file, but when I print out the objects I get
>>they are still <COMObject AcroExch.App> or <COMObject <unknown>>.
>>
>>In the Acrobat documentation they say they don't define any interface
>>for the JSObject, just use IDispatch.  I don't know if this helps, but
>>the only difference I can tell between the JSObject and any of their
>>other interfaces etc. is that the JSOBject return type from the
>>getJSOBject call is defined as LDispatch* (is this a typo and supposed
>>to say LPDispatch*) whereas all of the other com objects are returned as
>>types LPDispatch (no *).  I am kind of blissfully ignorant of the magic
>>that is going on in the python com mapping.
>>
>>Oh yeah, I am running Python 2.2 with the build 146.
>>
>>Any other suggestions?
>>
>>Thanks a million,
>>
>>Joshua
>>
>>Mark Hammond wrote:
>>
>>>Try running makepy over the Acrobat type library.  Look for
>>>
>>documentation on
>>
>>>makepy in the COM readme.
>>>
>>>Mark,
>>>
>>>
>>>
>>>>-----Original Message-----
>>>>From: python-win32-admin@python.org
>>>>[mailto:python-win32-admin@python.org]On Behalf Of Joshua Reynolds
>>>>Sent: Tuesday, 5 March 2002 8:01 AM
>>>>To: python-win32
>>>>Subject: [python-win32] COM, Acrobat and JavaScript
>>>>
>>>>
>>>>
>>>>
>>>>Problem:
>>>>
>>>>The functionality that I need to use from Acrobat is on a javascript
>>>>object (returned type defined in the Automation interface as an
>>>>LDispatch*).  I haven't had any problems using any of their other OLE
>>>>components through python, but when I try to use the root javascript
>>>>object -- or any other javascript objects accessed through it.
>>>>
>>>>I can get at all of the attributes on the javascript objects, but if I
>>>>try to call a method on it, it fails.
>>>>
>>>>Here is the full calling sequence that brings me to failure
>>>>
>>>>
>>>>>>>from win32com.client import Dispatch
>>>>>>>app = Dispatch("AcroExch.App")
>>>>>>>app
>>>>>>>
>>>><COMObject AcroExch.App>
>>>>
>>>>>>>pddoc = Dispatch("AcroExch.PDdoc")
>>>>>>>pddoc.Open("d:\\tmp\\cn_final.pdf")
>>>>>>>
>>>>1
>>>>
>>>>>>>jso = pddoc.getJsobject
>>>>>>>jso
>>>>>>>
>>>><COMObject <unknown>>
>>>>
>>>>>>>jso.app.formsVersion
>>>>>>>
>>>>5.0
>>>>
>>>>>>>jso.console.Show
>>>>>>>
>>>>Traceback (most recent call last):
>>>>  File "<interactive input>", line 1, in ?
>>>>  File
>>>>"D:\programs\Python2.2\lib\site-packages\win32com\client\dynamic.py",
>>>>line 432, in __getattr__
>>>>    raise pythoncom.com_error, details
>>>>com_error: (-2147467263, 'Not implemented', None, None)
>>>>
>>>>in the above, app.formsVersion is an attribute, and console.Show  is a
>>>>parameterless method.
>>>>
>>>>Here are some potentially useful snippets from the Acrobat docs on using
>>>>the JSObject in Visual Basic.
>>>>
>>>>
>>>>
>>>>6. JSObject always returns values as Variants. This includes property
>>>>gets as well as
>>>>return values from method calls. An empty Variant is used when a null
>>>>return value
>>>>is expected. When JSObject returns an array, each element in the array
>>>>is a
>>>>Variant. To determine the actual data type of a Variant, use the utility
>>>>functions
>>>>IsArray, IsNumeric, IsEmpty, IsObject, and VarType from the Information
>>>>module of the VBA library.
>>>>7. JSObject can process most elemental Visual Basic types for property
>>>>puts and
>>>>input parameters to method calls, including Variant, Array, Boolean,
>>>>String, Date,
>>>>Double, Long, Integer, and Byte. JSObject can accept Object parameters,
>>>>but only
>>>>when the Object was the result of a property get or method call to a
>>>>JSObject.
>>>>JSObject fails to accept values of type Error and Currency.
>>>>
>>>>I have verified that I can access the methods on JSObject as well as
>>>>subObjects, but I would really really like to be able to use this stuff
>>>>through python.
>>>>
>>>>Any ideas on how i can get access to any of those methods?
>>>>
>>>>
>>>>
>>>>Thanks,
>>>>Joshua
>>>>
>>>>
>>>>
>>>>--
>>>>Joshua Reynolds | Consultant
>>>>
>>>>Isogen International
>>>>Office: 512-302-9879
>>>>Main:   512-380-0347
>>>>Cell:   512-743-3865
>>>>1016 La Posada Suite 240
>>>>Austin, TX 78752
>>>>
>>>>
>>>>_______________________________________________
>>>>Python-win32 mailing list
>>>>Python-win32@python.org
>>>>http://mail.python.org/mailman/listinfo/python-win32
>>>>
>>>>
>>>
>>>_______________________________________________
>>>Python-win32 mailing list
>>>Python-win32@python.org
>>>http://mail.python.org/mailman/listinfo/python-win32
>>>
>>>
>>>
>>>
>>
>>--
>>Joshua Reynolds | Consultant
>>
>>Isogen International
>>Office: 512-302-9879
>>Main:   512-380-0347
>>Cell:   512-743-3865
>>1016 La Posada Suite 240
>>Austin, TX 78752
>>
>>
> 
> 
> 


-- 
Joshua Reynolds
ISOGEN International, LLC
1016 La Posada Suite 240
Austin, TX  78752
Main:   +(1) 512-380-0347
Office: +(1) 512-302-9879
Fax:    +(1) 512-380-0429
Cell:   +(1) 512-743-3865



From joshuar@isogen.com  Wed Mar  6 16:44:33 2002
From: joshuar@isogen.com (Joshua Reynolds)
Date: Wed, 06 Mar 2002 10:44:33 -0600
Subject: [python-win32] COM, Acrobat and JavaScript
References: <LCEPIIGDJPKCOIHOBJEPCEOEFDAA.mhammond@skippinet.com.au> <3C863D9A.7000707@isogen.com>
Message-ID: <3C864771.3030308@isogen.com>

-- from dynamic.py
# These errors generally mean the property or method exists,
# but can't be used in this context - eg, property instead of a method, etc.
# Used to determine if we have a real error or not.
-- end

Sorry, I guess I should read the comment before I post.
So if one of these errors occurs during a dynamic attribute lookup, is
there some sort of secondary lookup that is tried?


J

Joshua Reynolds wrote:
> That worked.  What is this list for?
> 
> Thanks for your help,
> 
> Joshua
> 
> Mark Hammond wrote:
> 
>> The other alternative is to modify win32com\client\dynamic.py.  Near 
>> the top
>> of the file, find the list ERRORS_BAD_CONTEXT.  Try adding
>> winerror.E_NOTIMPL to this list and see if it solves the problem.
>>
>> Mark.
>>
>>
>>> -----Original Message-----
>>> From: Joshua Reynolds [mailto:joshuar@isogen.com]
>>> Sent: Wednesday, 6 March 2002 2:43 AM
>>> To: Mark Hammond
>>> Cc: python-win32@python.org
>>> Subject: Re: [python-win32] COM, Acrobat and JavaScript
>>>
>>>
>>> I've already tried that and it doesn't seem to get me anything.  I run
>>> makepy and it generates the file, but when I print out the objects I get
>>> they are still <COMObject AcroExch.App> or <COMObject <unknown>>.
>>>
>>> In the Acrobat documentation they say they don't define any interface
>>> for the JSObject, just use IDispatch.  I don't know if this helps, but
>>> the only difference I can tell between the JSObject and any of their
>>> other interfaces etc. is that the JSOBject return type from the
>>> getJSOBject call is defined as LDispatch* (is this a typo and supposed
>>> to say LPDispatch*) whereas all of the other com objects are returned as
>>> types LPDispatch (no *).  I am kind of blissfully ignorant of the magic
>>> that is going on in the python com mapping.
>>>
>>> Oh yeah, I am running Python 2.2 with the build 146.
>>>
>>> Any other suggestions?
>>>
>>> Thanks a million,
>>>
>>> Joshua
>>>
>>> Mark Hammond wrote:
>>>
>>>> Try running makepy over the Acrobat type library.  Look for
>>>>
>>> documentation on
>>>
>>>> makepy in the COM readme.
>>>>
>>>> Mark,
>>>>
>>>>
>>>>
>>>>> -----Original Message-----
>>>>> From: python-win32-admin@python.org
>>>>> [mailto:python-win32-admin@python.org]On Behalf Of Joshua Reynolds
>>>>> Sent: Tuesday, 5 March 2002 8:01 AM
>>>>> To: python-win32
>>>>> Subject: [python-win32] COM, Acrobat and JavaScript
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Problem:
>>>>>
>>>>> The functionality that I need to use from Acrobat is on a javascript
>>>>> object (returned type defined in the Automation interface as an
>>>>> LDispatch*).  I haven't had any problems using any of their other OLE
>>>>> components through python, but when I try to use the root javascript
>>>>> object -- or any other javascript objects accessed through it.
>>>>>
>>>>> I can get at all of the attributes on the javascript objects, but if I
>>>>> try to call a method on it, it fails.
>>>>>
>>>>> Here is the full calling sequence that brings me to failure
>>>>>
>>>>>
>>>>>>>> from win32com.client import Dispatch
>>>>>>>> app = Dispatch("AcroExch.App")
>>>>>>>> app
>>>>>>>>
>>>>> <COMObject AcroExch.App>
>>>>>
>>>>>>>> pddoc = Dispatch("AcroExch.PDdoc")
>>>>>>>> pddoc.Open("d:\\tmp\\cn_final.pdf")
>>>>>>>>
>>>>> 1
>>>>>
>>>>>>>> jso = pddoc.getJsobject
>>>>>>>> jso
>>>>>>>>
>>>>> <COMObject <unknown>>
>>>>>
>>>>>>>> jso.app.formsVersion
>>>>>>>>
>>>>> 5.0
>>>>>
>>>>>>>> jso.console.Show
>>>>>>>>
>>>>> Traceback (most recent call last):
>>>>>  File "<interactive input>", line 1, in ?
>>>>>  File
>>>>> "D:\programs\Python2.2\lib\site-packages\win32com\client\dynamic.py",
>>>>> line 432, in __getattr__
>>>>>    raise pythoncom.com_error, details
>>>>> com_error: (-2147467263, 'Not implemented', None, None)
>>>>>
>>>>> in the above, app.formsVersion is an attribute, and console.Show  is a
>>>>> parameterless method.
>>>>>
>>>>> Here are some potentially useful snippets from the Acrobat docs on 
>>>>> using
>>>>> the JSObject in Visual Basic.
>>>>>
>>>>>
>>>>>
>>>>> 6. JSObject always returns values as Variants. This includes property
>>>>> gets as well as
>>>>> return values from method calls. An empty Variant is used when a null
>>>>> return value
>>>>> is expected. When JSObject returns an array, each element in the array
>>>>> is a
>>>>> Variant. To determine the actual data type of a Variant, use the 
>>>>> utility
>>>>> functions
>>>>> IsArray, IsNumeric, IsEmpty, IsObject, and VarType from the 
>>>>> Information
>>>>> module of the VBA library.
>>>>> 7. JSObject can process most elemental Visual Basic types for property
>>>>> puts and
>>>>> input parameters to method calls, including Variant, Array, Boolean,
>>>>> String, Date,
>>>>> Double, Long, Integer, and Byte. JSObject can accept Object 
>>>>> parameters,
>>>>> but only
>>>>> when the Object was the result of a property get or method call to a
>>>>> JSObject.
>>>>> JSObject fails to accept values of type Error and Currency.
>>>>>
>>>>> I have verified that I can access the methods on JSObject as well as
>>>>> subObjects, but I would really really like to be able to use this 
>>>>> stuff
>>>>> through python.
>>>>>
>>>>> Any ideas on how i can get access to any of those methods?
>>>>>
>>>>>
>>>>>
>>>>> Thanks,
>>>>> Joshua
>>>>>
>>>>>
>>>>>
>>>>> -- 
>>>>> Joshua Reynolds | Consultant
>>>>>
>>>>> Isogen International
>>>>> Office: 512-302-9879
>>>>> Main:   512-380-0347
>>>>> Cell:   512-743-3865
>>>>> 1016 La Posada Suite 240
>>>>> Austin, TX 78752
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Python-win32 mailing list
>>>>> Python-win32@python.org
>>>>> http://mail.python.org/mailman/listinfo/python-win32
>>>>>
>>>>>
>>>>
>>>> _______________________________________________
>>>> Python-win32 mailing list
>>>> Python-win32@python.org
>>>> http://mail.python.org/mailman/listinfo/python-win32
>>>>
>>>>
>>>>
>>>>
>>>
>>> -- 
>>> Joshua Reynolds | Consultant
>>>
>>> Isogen International
>>> Office: 512-302-9879
>>> Main:   512-380-0347
>>> Cell:   512-743-3865
>>> 1016 La Posada Suite 240
>>> Austin, TX 78752
>>>
>>>
>>
>>
>>
> 
> 


-- 
Joshua Reynolds
ISOGEN International, LLC
1016 La Posada Suite 240
Austin, TX  78752
Main:   +(1) 512-380-0347
Office: +(1) 512-302-9879
Fax:    +(1) 512-380-0429
Cell:   +(1) 512-743-3865



From Jim.Vickroy@noaa.gov  Wed Mar  6 18:56:07 2002
From: Jim.Vickroy@noaa.gov (Jim Vickroy)
Date: Wed, 06 Mar 2002 11:56:07 -0700
Subject: [python-win32] (10093, 'Successful WSAStartup() not yet performed')
Message-ID: <3C866647.899BD1F2@noaa.gov>

Does anyone know what this message means and/or what the cause might be?

It is being generated in a socket-based application (that had been
working) by the following statement:

            transmitter = self.server_socket.accept() # blocks till
something arrives

where 'transmitter' is expected to be the usual 2-element tuple.



From jens.jorgensen@tallan.com  Wed Mar  6 19:21:53 2002
From: jens.jorgensen@tallan.com (Jens B. Jorgensen)
Date: Wed, 06 Mar 2002 13:21:53 -0600
Subject: [python-win32] (10093, 'Successful WSAStartup() not yet performed')
References: <3C866647.899BD1F2@noaa.gov>
Message-ID: <3C866C51.9010009@tallan.com>

The Windows Sockets library has to be initialized (via a call to 
WSAStartup) before other socket calls may be made. This should be 
happening automatically though in a python program (I use sockets in 
many python scripts and have never explicitly called this). If the error 
happens on accept that's pretty weird since that implies that you've 
made other sockets calls previous to this and they obviously didn't 
error. I wonder if there's some way WSACleanup could've been called 
right before this. In what context does this thing get called? Is this 
in some regular python program or is it from ActiveScripting or anything 
like that? I'm just trying to think of some way WSACleanup might've been 
called prematurely.

Jim Vickroy wrote:

>Does anyone know what this message means and/or what the cause might be?
>
>It is being generated in a socket-based application (that had been
>working) by the following statement:
>
>            transmitter = self.server_socket.accept() # blocks till
>something arrives
>
>where 'transmitter' is expected to be the usual 2-element tuple.
>
>
>_______________________________________________
>Python-win32 mailing list
>Python-win32@python.org
>http://mail.python.org/mailman/listinfo/python-win32
>


-- 
Jens B. Jorgensen
jens.jorgensen@tallan.com





From mhammond@skippinet.com.au  Thu Mar  7 03:47:54 2002
From: mhammond@skippinet.com.au (Mark Hammond)
Date: Thu, 7 Mar 2002 14:47:54 +1100
Subject: [python-win32] COM, Acrobat and JavaScript
In-Reply-To: <3C864771.3030308@isogen.com>
Message-ID: <LCEPIIGDJPKCOIHOBJEPCEPOFDAA.mhammond@skippinet.com.au>

> -- from dynamic.py
> # These errors generally mean the property or method exists,
> # but can't be used in this context - eg, property instead of a
> method, etc.
> # Used to determine if we have a real error or not.
> -- end
>
> Sorry, I guess I should read the comment before I post.
> So if one of these errors occurs during a dynamic attribute lookup, is
> there some sort of secondary lookup that is tried?

Yes - it is looked up as a method.

We could ignore all errors - but that would mask other real errors.

Eg:

   a = foo.bar

If fetching this value raises an exception, then almost certainly we want
that exception to be raised as the line above is executed.

However, if the exception is really just telling us "hey - you can't fetch a
property of that name, but there may actually be a method you can call of
that name", then we need to allow it to be used as a method.

eg,

   a = foo.bar()

Looks identical to the former without the parens from the POV of the
__getattr__ function.

So - the key to solving this is to force makepy to work somehow.  It appears
this object is similar to Lotus Notes - ie, there is a type library, but
anonymous COM objects don't tell COM they are described in the type library.
Our book describes how to force makepy generated objects to be used, or
search deja for references to Lotus Notes, but basically you use something
like:

mod = gencache.EnsureModule(blah)

# instead of
# ob = Dispatch("WhateverItIs")
ob = mod.Whatever()

Properties and methods should then work perfectly.

Mark.



From Dan.Palmer@sympatico.ca  Thu Mar  7 22:50:33 2002
From: Dan.Palmer@sympatico.ca (Dan Palmer)
Date: Thu, 7 Mar 2002 17:50:33 -0500
Subject: [python-win32] Deletion of worksheet without the confirmation prompt
Message-ID: <002601c1c62a$7d6b61c0$f002a8c0@p2200>

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Content-Transfer-Encoding: quoted-printable

When using win32com how does one delete a sheet from a workbook either =
by=20
name or by number without the confirmation dialog prompt.=20


      import win32com.client=20
      ExcelApp=3D win32com.client.Dispatch("Excel.Application")=20
      ExcelApp.Worksheets.Add()=20
      sht =3D ExcelApp.Worksheets(1)=20
      sht.Delete()=20

            at this point it generates a confirmation dialog, if I =
acknowledge the=20
            dialog it does delete the proper sheet.  Is there a way to =
turn the=20
            confirmation off (either as a preference, or as a parameter =
to delete)=20
          =20
    =20


Thanks in advance



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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Diso-8859-1">
<META content=3D"MSHTML 6.00.2713.1100" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2><FONT face=3D"Courier New"><FONT =
face=3DArial=20
size=3D3>When using win32com how does one delete a sheet from a workbook =
either by=20
<BR>name or by number without the confirmation dialog prompt.=20
<BR><BR></FONT></DIV></FONT>
<DIV>
<TABLE>
  <TBODY>
  <TR>
    <TD width=3D1 bgColor=3D#cccccc>
      <DIV>&nbsp;</DIV></TD>
    <TD width=3D5>
      <DIV>&nbsp;</DIV></TD>
    <TD>
      <DIV><TT>import win32com.client <BR>ExcelApp=3D=20
      win32com.client.Dispatch("Excel.Application")=20
      <BR>ExcelApp.Worksheets.Add() <BR>sht =3D ExcelApp.Worksheets(1)=20
      <BR>sht.Delete() <BR></DIV></TT>
      <TABLE>
        <TBODY>
        <TR>
          <TD width=3D1 bgColor=3D#cccccc>
            <DIV>&nbsp;</DIV></TD>
          <TD width=3D5>
            <DIV>&nbsp;</DIV></TD>
          <TD>
            <DIV><TT>at this point it generates a confirmation dialog, =
if I=20
            acknowledge the <BR>dialog it does delete the proper =
sheet.&nbsp; Is=20
            there a way to turn the <BR>confirmation off (either as a=20
            preference, or as a parameter to delete)=20
        =
<BR></DIV></TT></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></DIV>=

<DIV><TT><FONT size=3D3></FONT></TT>&nbsp;</DIV>
<DIV><TT><FONT size=3D3>Thanks in advance</FONT></DIV>
<DIV><BR></DIV></TT></FONT></BODY></HTML>

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From andrew-pywin32@puzzling.org  Wed Mar 13 01:49:25 2002
From: andrew-pywin32@puzzling.org (Andrew Bennetts)
Date: Wed, 13 Mar 2002 12:49:25 +1100
Subject: [python-win32] Services stopping on logout
Message-ID: <20020313014925.GB29051@ritsuko.xware.cx>

Hi,

I'm having a mysterious problem where Python services are stopping when the
user logs out.  I *think* this behaviour may have started around the time I
upgraded to Python 2.2 / win32all-136.  I'm on Windows 2000.

Does anyway know how to stop this behaviour?  Non-python services work fine.

Thanks,

-Andrew.



From jeff@ccvcorp.com  Wed Mar 13 18:54:58 2002
From: jeff@ccvcorp.com (Jeff Shannon)
Date: Wed, 13 Mar 2002 10:54:58 -0800
Subject: [python-win32] Services stopping on logout
References: <E16lC8U-00082i-00@mail.python.org>
Message-ID: <3C8FA082.7DFA7E47@ccvcorp.com>


> Andrew Bennetts <andrew-pywin32@puzzling.org> wrote:
>
> I'm having a mysterious problem where Python services are stopping when the
> user logs out.  I *think* this behaviour may have started around the time I
> upgraded to Python 2.2 / win32all-136.  I'm on Windows 2000.

At a semi-random guess, did you install Python2.2 and the service itself as
Administrator?  If they were installed as a regular user, then I'd expect them
to only run while that user is logged in.

Jeff Shannon
Technician/Programmer
Credit International




From andrew@puzzling.org  Thu Mar 14 01:23:55 2002
From: andrew@puzzling.org (Andrew Bennetts)
Date: Thu, 14 Mar 2002 12:23:55 +1100
Subject: [python-win32] Services stopping on logout
In-Reply-To: <3C8FA082.7DFA7E47@ccvcorp.com>
References: <E16lC8U-00082i-00@mail.python.org> <3C8FA082.7DFA7E47@ccvcorp.com>
Message-ID: <20020314012355.GA9480@ritsuko.xware.cx>

On Wed, Mar 13, 2002 at 10:54:58AM -0800, Jeff Shannon wrote:
> 
> > Andrew Bennetts <andrew-pywin32@puzzling.org> wrote:
> >
> > I'm having a mysterious problem where Python services are stopping when the
> > user logs out.  I *think* this behaviour may have started around the time I
> > upgraded to Python 2.2 / win32all-136.  I'm on Windows 2000.
> 
> At a semi-random guess, did you install Python2.2 and the service itself as
> Administrator?  If they were installed as a regular user, then I'd expect them
> to only run while that user is logged in.

I did install the service as Administrator, but it appears I did not install
Python2.2 as Administrator.  I just tried completely uninstalling Python and
re-installing it as Administrator, and it works fine now.

Thank you!  That had me stumped, though it's obvious now that you've pointed
it out to me.

It strikes me as odd that installing Python as non-Administrator would
prevent a service using it from running as Administrator, but if that's the
way it has to work, then fair enough.

Thanks again.

-Andrew.



From mbg@apama.com  Thu Mar 14 14:55:47 2002
From: mbg@apama.com (Moray B. Grieve)
Date: Thu, 14 Mar 2002 14:55:47 -0000
Subject: [python-win32] win32 equivalent for "my.exe > stdout.txt &"
Message-ID: <7CD4BE0203A91845A17CE0E8BD9A128930F5ED@UKCAMMS002.msapama.apama.com>

This is a multi-part message in MIME format.

------_=_NextPart_001_01C1CB68.5309F756
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> I want to launch a child process from within a python script which =
will run in the background with all stdout redirected to a file i.e. a =
unix equivalent of "my.exe > stdout.txt &". To do this I have been =
trying something like:=20
>=20
>=20
> startupInfo =3D win32process.STARTUPINFO()
>=20
> startupInfo.hStdInput =3D win32api.GetStdHandle(STD_INPUT_HANDLE);
> startupInfo.hStdError =3D win32api.GetStdHandle(STD_ERR_HANDLE);
> startupInfo.hStdOutput =3D win32file.CreateFile("stdout.txt",=20
> 					      win32con.GENERIC_WRITE,
> 					      0,=20
> 					      None,=20
> 					      win32con.CREATE_ALWAYS,=20
> 					      win32con.FILE_FLAG_WRITE_THROUGH,=20
> 					      0 )    =20
> startupInfo.dwFlags =3D win32con.STARTF_USESTDHANDLES
>       =20
> hProcess, hThread, dwPid, dwTid =3D win32process.CreateProcess(
>             None,        # appName
>             "my.exe",  # commandLine
>             None,        # processAttributes
>             None,        # threadAttributes
>             1,              # bInheritHandles
>             0,              # dwCreationFlags
>             None,        # newEnvironment
>             None,        # currentDirectory
>             startupInfo # startupInfo
>             )
>=20
> I was hoping that by setting startupInfo.hStdOutput to the newly =
created file handle, writes to stdout by the child process would =
automatically be written to file - however this does not seem to tbe the =
case. Although stdout does get redirected somewhere, it does not go to =
the file and even flushing the handle does not seem to solve the =
problem. Am I being to naive in this approach? I have tried all =
different flags for the win32file.CreateFile and =
win32process.CreateProcess methods. Do I need to set up the child stdout =
to a pipe, and manage the read end of the pipe in a thread? I'm a novice =
in this area so would appreciate any help.
>=20
> Thanks,=20
> Moray Grieve

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<HTML>
<HEAD>
<META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; =
charset=3Diso-8859-1">
<META NAME=3D"Generator" CONTENT=3D"MS Exchange Server version =
6.0.5762.3">
<TITLE>win32 equivalent for &quot;my.exe &gt; stdout.txt =
&amp;&quot;</TITLE>
</HEAD>
<BODY>
<!-- Converted from text/rtf format -->

<P><FONT SIZE=3D2 FACE=3D"Arial">I want to launch a child process from =
within a python script which will run in the background with all stdout =
redirected to a file i.e. a unix equivalent of &quot;my.exe &gt; =
stdout.txt &amp;&quot;. To do this I have been trying something like: =
</FONT></P>
<BR>

<P><FONT SIZE=3D2 FACE=3D"Arial">startupInfo =3D =
win32process.STARTUPINFO()</FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Arial">startupInfo.hStdInput =3D =
win32api.GetStdHandle(STD_INPUT_HANDLE);</FONT>

<BR><FONT SIZE=3D2 FACE=3D"Arial">startupInfo.hStdError =3D =
win32api.GetStdHandle(STD_ERR_HANDLE);</FONT>

<BR><FONT SIZE=3D2 FACE=3D"Arial">startupInfo.hStdOutput =3D =
win32file.CreateFile(&quot;stdout.txt&quot;, </FONT>

<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
win32con.GENERIC_WRITE,</FONT>

<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0, </FONT>

<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; None, </FONT>

<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; win32con.CREATE_ALWAYS, =
</FONT>

<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
win32con.FILE_FLAG_WRITE_THROUGH, </FONT>

<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 =
)&nbsp;&nbsp;&nbsp;&nbsp; </FONT>

<BR><FONT SIZE=3D2 FACE=3D"Arial">startupInfo.dwFlags =3D =
win32con.STARTF_USESTDHANDLES</FONT>

<BR><FONT SIZE=3D2 FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</FONT>

<BR><FONT SIZE=3D2 FACE=3D"Arial">hProcess, hThread, dwPid, dwTid =3D =
win32process.CreateProcess(</FONT>

<BR><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; None,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # =
appName</FONT>

<BR><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; &quot;my.exe&quot;,&nbsp; # commandLine</FONT>

<BR><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; None,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # =
processAttributes</FONT>

<BR><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; None,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # =
threadAttributes</FONT>

<BR><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; =
1,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp; # bInheritHandles</FONT>

<BR><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; =
0,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp; # dwCreationFlags</FONT>

<BR><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; None,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # =
newEnvironment</FONT>

<BR><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; None,&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # =
currentDirectory</FONT>

<BR><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; startupInfo # startupInfo</FONT>

<BR><FONT SIZE=3D2 =
FACE=3D"Arial">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; )</FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Arial">I was hoping that by setting =
startupInfo.hStdOutput to the newly created file handle, writes to =
stdout by the child process would automatically be written to file - =
however this does not seem to tbe the case. Although stdout does get =
redirected somewhere, it does not go to the file and even flushing the =
handle does not seem to solve the problem. Am I being to naive in this =
approach? I have tried all different flags for the win32file.CreateFile =
and win32process.CreateProcess methods. Do I need to set up the child =
stdout to a pipe, and manage the read end of the pipe in a thread? I'm a =
novice in this area so would appreciate any help.</FONT></P>

<P><FONT SIZE=3D2 FACE=3D"Arial">Thanks, </FONT>

<BR><FONT SIZE=3D2 FACE=3D"Arial">Moray Grieve</FONT>
</P>

</BODY>
</HTML>
------_=_NextPart_001_01C1CB68.5309F756--


From noah@sfbags.com  Mon Mar 18 19:20:13 2002
From: noah@sfbags.com (Noah Spurrier)
Date: Mon, 18 Mar 2002 11:20:13 -0800
Subject: [python-win32] win32 equivalent for "my.exe > stdout.txt &"
In-Reply-To: <7CD4BE0203A91845A17CE0E8BD9A128930F5ED@UKCAMMS002.msapama.apama.com>
Message-ID: <CDEMJIJCPELOLONMFIKGAECGCFAA.noah@sfbags.com>

This is a big problem with Windows.
I have found it very hard to capture output from a child program that writes to stdout.

Is your child process a Python script?
You mentioned flushing the buffer, but does the child process flush stdout (sys.stdout.flush() )
or did you mean that the parent flushes it?
When your child terminates and the parent closes the file does it get written?
Make sure the parent actually closes the file.
I have had problems with files that are not explicitly closed.

Windows also has a whole API dedicated to Console applications.
It's horrible. I spent a lot of time fiddling with it. It looked like it would do what I needed,
but it turned out to be a bad trail. But if you are adventurous then look for
"Character-Mode Applications" and "Console Reference" on MSDN.
	http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/conchar_5ehx.asp

You might also trying talking to the guy that maintains the Windows version of Expect:
	http://bmrc.berkeley.edu/people/chaffee/expectnt.html
This is an application that controls processes through stdou/stdin.
Maybe you can learn from his technique. This file discusses some of
the techniques:
	ftp://bmrc.berkeley.edu/pub/winnt/tcltk/expect/README.NT

Can you modify the source code of your child process?
If you can modify the code, then you could have it write directly to
a file or named pipe instead of stdout. You could also have it write
to a database. This is what I ended up doing.
None of these ideas helps if you are trying to interface with
a precompiled EXE or any application that you cannot modify.

I would be very interested to find out if you ever solve this problem.

Yours,
Noah

-----Original Message-----
From: python-win32-admin@python.org [mailto:python-win32-admin@python.org]On Behalf Of Moray B. Grieve
Sent: Thursday, March 14, 2002 6:56 AM
To: python-win32@python.org
Subject: [python-win32] win32 equivalent for "my.exe > stdout.txt &"


I want to launch a child process from within a python script which will run in the background with all stdout redirected to a file
i.e. a unix equivalent of "my.exe > stdout.txt &". To do this I have been trying something like:


startupInfo = win32process.STARTUPINFO()
startupInfo.hStdInput = win32api.GetStdHandle(STD_INPUT_HANDLE);
startupInfo.hStdError = win32api.GetStdHandle(STD_ERR_HANDLE);
startupInfo.hStdOutput = win32file.CreateFile("stdout.txt",
                                              win32con.GENERIC_WRITE,
                                              0,
                                              None,
                                              win32con.CREATE_ALWAYS,
                                              win32con.FILE_FLAG_WRITE_THROUGH,
                                              0 )
startupInfo.dwFlags = win32con.STARTF_USESTDHANDLES

hProcess, hThread, dwPid, dwTid = win32process.CreateProcess(
            None,        # appName
            "my.exe",  # commandLine
            None,        # processAttributes
            None,        # threadAttributes
            1,              # bInheritHandles
            0,              # dwCreationFlags
            None,        # newEnvironment
            None,        # currentDirectory
            startupInfo # startupInfo
            )
I was hoping that by setting startupInfo.hStdOutput to the newly created file handle, writes to stdout by the child process would
automatically be written to file - however this does not seem to tbe the case. Although stdout does get redirected somewhere, it
does not go to the file and even flushing the handle does not seem to solve the problem. Am I being to naive in this approach? I
have tried all different flags for the win32file.CreateFile and win32process.CreateProcess methods. Do I need to set up the child
stdout to a pipe, and manage the read end of the pipe in a thread? I'm a novice in this area so would appreciate any help.
Thanks,
Moray Grieve



From David Rock <david@rock.homelinux.com>  Tue Mar 19 05:10:49 2002
From: David Rock <david@rock.homelinux.com> (David Rock)
Date: Mon, 18 Mar 2002 23:10:49 -0600
Subject: [python-win32] Pythonservice.exe running at 100%
Message-ID: <20020318231049.B5724@rock.homelinux.com>

Every time I try to run a service on Windows NT4, it always runs at 100%
CPU utilization. Why does pythonservice.exe do this and is there any way
that I can throttle it back? I have managed to minimize the amount of
time that the service app I am running takes, so that it is not a
tremendous strain on the system (just a couple seconds) but I would like
to manage this better.

Thanks.

-- 
David Rock
david@rock.homelinux.com


From mhammond@skippinet.com.au  Tue Mar 19 06:13:30 2002
From: mhammond@skippinet.com.au (Mark Hammond)
Date: Tue, 19 Mar 2002 17:13:30 +1100
Subject: [python-win32] Pythonservice.exe running at 100%
In-Reply-To: <20020318231049.B5724@rock.homelinux.com>
Message-ID: <LCEPIIGDJPKCOIHOBJEPIEPBFEAA.mhammond@skippinet.com.au>

> Every time I try to run a service on Windows NT4, it always runs at 100%
> CPU utilization. Why does pythonservice.exe do this and is there any way
> that I can throttle it back? I have managed to minimize the amount of
> time that the service app I am running takes, so that it is not a
> tremendous strain on the system (just a couple seconds) but I would like
> to manage this better.

Something is almost certainly wrong with your service.  The test services do
not exhibit this.  Check that your loops that are supposed to be waiting for
something actually are :)

Mark.



From mhammond@skippinet.com.au  Tue Mar 19 06:15:33 2002
From: mhammond@skippinet.com.au (Mark Hammond)
Date: Tue, 19 Mar 2002 17:15:33 +1100
Subject: [python-win32] win32 equivalent for "my.exe > stdout.txt &"
In-Reply-To: <7CD4BE0203A91845A17CE0E8BD9A128930F5ED@UKCAMMS002.msapama.apama.com>
Message-ID: <LCEPIIGDJPKCOIHOBJEPKEPBFEAA.mhammond@skippinet.com.au>

> I want to launch a child process from within a python script which will
> run in the background with all stdout redirected to a file i.e. a
> unix equivalent of "my.exe > stdout.txt &". To do this I have been
> trying something like:

I'm not too sure how this differs from using popen from inside a thread? I
assume that for some reason you need the process handle?  If so, just
examine the Python popen implementations, and port them to Python.  There
are some intricate details you must get correct.

Mark.



From David Rock <david@rock.homelinux.com>  Tue Mar 19 16:45:50 2002
From: David Rock <david@rock.homelinux.com> (David Rock)
Date: Tue, 19 Mar 2002 10:45:50 -0600
Subject: [python-win32] Pythonservice.exe running at 100%
In-Reply-To: <LCEPIIGDJPKCOIHOBJEPIEPBFEAA.mhammond@skippinet.com.au>; from mhammond@skippinet.com.au on Tue, Mar 19, 2002 at 05:13:30PM +1100
References: <20020318231049.B5724@rock.homelinux.com> <LCEPIIGDJPKCOIHOBJEPIEPBFEAA.mhammond@skippinet.com.au>
Message-ID: <20020319104550.A7132@rock.homelinux.com>

On Tue, Mar 19, 2002 at 05:13:30PM +1100, Mark Hammond wrote:
> > Every time I try to run a service on Windows NT4, it always runs at 100%
> > CPU utilization. Why does pythonservice.exe do this and is there any way
> > that I can throttle it back? I have managed to minimize the amount of
> > time that the service app I am running takes, so that it is not a
> > tremendous strain on the system (just a couple seconds) but I would like
> > to manage this better.
> 
> Something is almost certainly wrong with your service.  The test services do
> not exhibit this.  Check that your loops that are supposed to be waiting for
> something actually are :)

Here is the core of my SvcDoRun:

        timeout = 120000
        waitHandle = self.hWaitStop

        while 1:
            rc = win32event.WaitForSingleObject( waitHandle, timeout )
            if rc == win32event.WAIT_OBJECT_0:
                #stop event
                break
            else:
                start_time = time.time()
                self.run_test(loop)
                end_time   = time.time()
                diff_time  = end_time - start_time
                self.send_results( start_time, end_time, diff_time,
                                   string.lower(t_server), c_server,
                                   ftpuser, ftppass, patrol )


While it is waiting for the self.hWaitStop there is no activity, which
is what I expect. When the timeout hits and runs the else statement,
this is where I have problems. What I do is run a test loop to measure
the amount of time it takes for a system to do some basic I/O operations
and then it ftps those results to a collection server. Here are the two
modules I am using for this:

    def run_test(self, loop):

       # Create tempfile to write data to
       tmp = tempfile.mktemp('.tmp')
       fp = open( tmp, 'w' )

       for x in xrange(1,loop):
          print >>fp, 'This is a file write test:'
          print >>fp, '%s' % ( os.listdir( os.environ['systemdrive'] ) )
          fp.seek(0)
          fp.truncate()

       fp.close()
       os.remove( tmp )

    def send_results(self,stime,etime,dtime,tserver,cserver,
                     ftpuser,ftppass,patrol):
       if dtime > 3:
          err = 'ERROR'
       else:
          err = ''

       if patrol == 'no':
          tmp = tempfile.mktemp('.tmp')
          fp = open( tmp, 'w' )
          tmpdate = time.asctime(time.localtime(stime))
          print >>fp, '%s,%s,%f,%s' % ( tserver, tmpdate, dtime, err )
          fp.close()

          # ftp to logging server and append to a log file.
          ftpcmd = 'APPE pyperf/' + tserver + '.log'
          fp = open( tmp, 'r' )
          ftp = ftplib.FTP( cserver )
          ftp.login( ftpuser, ftppass )
          ftp.storlines( ftpcmd, fp )
          ftp.quit()
          fp.close()
          os.remove( tmp )

       print '%d' % ( dtime )

Somewhere within one of these two modules is where it pegs the system at
100%. I am pretty new to using Python for writing a service or any
Windows event driven programs for that matter, so I have no idea if
there is a better way to do this or not. 

You mentioned that I should be making sure that the loop is actually
waiting for something.  The only loop that waits for anything is the
main loop that waits for the stop service event. Everything else is
running after that point. Is there anything I can do within the other
modules to get it under control?

Thanks.

-- 
David Rock
david@rock.homelinux.com


From Jim.Vickroy@noaa.gov  Tue Mar 19 18:10:36 2002
From: Jim.Vickroy@noaa.gov (Jim Vickroy)
Date: Tue, 19 Mar 2002 11:10:36 -0700
Subject: [python-win32] Pythonservice.exe running at 100%
References: <20020318231049.B5724@rock.homelinux.com> <LCEPIIGDJPKCOIHOBJEPIEPBFEAA.mhammond@skippinet.com.au> <20020319104550.A7132@rock.homelinux.com>
Message-ID: <3C977F1C.FF69F101@noaa.gov>

David, have you tried running your application as a process (not a MS Windows
Service)?  Specifically, have you "unit tested" the "run_test" and "send_results"
methods to see if they exhibit the same behavior in isolation?

I have many (more than 10) MS Windows Services (implemented in Python) running in
parallel and have never observed this behavior either.

David Rock wrote:

> On Tue, Mar 19, 2002 at 05:13:30PM +1100, Mark Hammond wrote:
> > > Every time I try to run a service on Windows NT4, it always runs at 100%
> > > CPU utilization. Why does pythonservice.exe do this and is there any way
> > > that I can throttle it back? I have managed to minimize the amount of
> > > time that the service app I am running takes, so that it is not a
> > > tremendous strain on the system (just a couple seconds) but I would like
> > > to manage this better.
> >
> > Something is almost certainly wrong with your service.  The test services do
> > not exhibit this.  Check that your loops that are supposed to be waiting for
> > something actually are :)
>
> Here is the core of my SvcDoRun:
>
>         timeout = 120000
>         waitHandle = self.hWaitStop
>
>         while 1:
>             rc = win32event.WaitForSingleObject( waitHandle, timeout )
>             if rc == win32event.WAIT_OBJECT_0:
>                 #stop event
>                 break
>             else:
>                 start_time = time.time()
>                 self.run_test(loop)
>                 end_time   = time.time()
>                 diff_time  = end_time - start_time
>                 self.send_results( start_time, end_time, diff_time,
>                                    string.lower(t_server), c_server,
>                                    ftpuser, ftppass, patrol )
>
> While it is waiting for the self.hWaitStop there is no activity, which
> is what I expect. When the timeout hits and runs the else statement,
> this is where I have problems. What I do is run a test loop to measure
> the amount of time it takes for a system to do some basic I/O operations
> and then it ftps those results to a collection server. Here are the two
> modules I am using for this:
>
>     def run_test(self, loop):
>
>        # Create tempfile to write data to
>        tmp = tempfile.mktemp('.tmp')
>        fp = open( tmp, 'w' )
>
>        for x in xrange(1,loop):
>           print >>fp, 'This is a file write test:'
>           print >>fp, '%s' % ( os.listdir( os.environ['systemdrive'] ) )
>           fp.seek(0)
>           fp.truncate()
>
>        fp.close()
>        os.remove( tmp )
>
>     def send_results(self,stime,etime,dtime,tserver,cserver,
>                      ftpuser,ftppass,patrol):
>        if dtime > 3:
>           err = 'ERROR'
>        else:
>           err = ''
>
>        if patrol == 'no':
>           tmp = tempfile.mktemp('.tmp')
>           fp = open( tmp, 'w' )
>           tmpdate = time.asctime(time.localtime(stime))
>           print >>fp, '%s,%s,%f,%s' % ( tserver, tmpdate, dtime, err )
>           fp.close()
>
>           # ftp to logging server and append to a log file.
>           ftpcmd = 'APPE pyperf/' + tserver + '.log'
>           fp = open( tmp, 'r' )
>           ftp = ftplib.FTP( cserver )
>           ftp.login( ftpuser, ftppass )
>           ftp.storlines( ftpcmd, fp )
>           ftp.quit()
>           fp.close()
>           os.remove( tmp )
>
>        print '%d' % ( dtime )
>
> Somewhere within one of these two modules is where it pegs the system at
> 100%. I am pretty new to using Python for writing a service or any
> Windows event driven programs for that matter, so I have no idea if
> there is a better way to do this or not.
>
> You mentioned that I should be making sure that the loop is actually
> waiting for something.  The only loop that waits for anything is the
> main loop that waits for the stop service event. Everything else is
> running after that point. Is there anything I can do within the other
> modules to get it under control?
>
> Thanks.
>
> --
> David Rock
> david@rock.homelinux.com
>
> _______________________________________________
> Python-win32 mailing list
> Python-win32@python.org
> http://mail.python.org/mailman/listinfo/python-win32



From David Rock <david@rock.homelinux.com>  Tue Mar 19 19:52:53 2002
From: David Rock <david@rock.homelinux.com> (David Rock)
Date: Tue, 19 Mar 2002 13:52:53 -0600
Subject: [python-win32] Pythonservice.exe running at 100%
In-Reply-To: <3C977F1C.FF69F101@noaa.gov>; from Jim.Vickroy@noaa.gov on Tue, Mar 19, 2002 at 11:10:36AM -0700
References: <20020318231049.B5724@rock.homelinux.com> <LCEPIIGDJPKCOIHOBJEPIEPBFEAA.mhammond@skippinet.com.au> <20020319104550.A7132@rock.homelinux.com> <3C977F1C.FF69F101@noaa.gov>
Message-ID: <20020319135253.A7195@rock.homelinux.com>

On Tue, Mar 19, 2002 at 11:10:36AM -0700, Jim Vickroy wrote:
> David, have you tried running your application as a process (not a MS Windows
> Service)?  Specifically, have you "unit tested" the "run_test" and "send_results"
> methods to see if they exhibit the same behavior in isolation?
> 
> I have many (more than 10) MS Windows Services (implemented in Python) running in
> parallel and have never observed this behavior either.
> 

I have a standalone version of the script that does the same thing. It
seems to be the run_test module that is in question. This module creates
a temp file and rewrites data to the file loop number of times. If I use
the script version of it, loop=1000 takes about 1 second to complete If
I use the service version of it loop=25 takes about 1 second. In either
case, if the loop value is large enough (to see it in the task manager),
the process still pegs the cpu at 100% when it is running.

So to answer your question, running it standalone has the same cpu
problem as running it as a service does. However, this brings up another
question of why running as a service is so much slower than running it
standalone?

Thanks.

-- 
David Rock
david@rock.homelinux.com


From David Rock <david@rock.homelinux.com>  Tue Mar 19 21:00:24 2002
From: David Rock <david@rock.homelinux.com> (David Rock)
Date: Tue, 19 Mar 2002 15:00:24 -0600
Subject: [python-win32] Pythonservice.exe running at 100%
In-Reply-To: <LCEPIIGDJPKCOIHOBJEPIEPBFEAA.mhammond@skippinet.com.au>; from mhammond@skippinet.com.au on Tue, Mar 19, 2002 at 05:13:30PM +1100
References: <20020318231049.B5724@rock.homelinux.com> <LCEPIIGDJPKCOIHOBJEPIEPBFEAA.mhammond@skippinet.com.au>
Message-ID: <20020319150024.A7548@rock.homelinux.com>

On Tue, Mar 19, 2002 at 05:13:30PM +1100, Mark Hammond wrote:
> > Every time I try to run a service on Windows NT4, it always runs at 100%
> > CPU utilization. Why does pythonservice.exe do this and is there any way
> > that I can throttle it back? I have managed to minimize the amount of
> > time that the service app I am running takes, so that it is not a
> > tremendous strain on the system (just a couple seconds) but I would like
> > to manage this better.
> 
> Something is almost certainly wrong with your service.  The test services do
> not exhibit this.  Check that your loops that are supposed to be waiting for
> something actually are :)

Is there any chance that the version of Python and the WIn32 extensions
will be a factor in this? I am currently using Python 2.1.1 from
Python.org with Win32all-145.

I am in the process of downloading 2.2 and win32all-146 to see if it
makes a difference.

-- 
David Rock
david@rock.homelinux.com


From David Rock <david@rock.homelinux.com>  Tue Mar 19 22:12:13 2002
From: David Rock <david@rock.homelinux.com> (David Rock)
Date: Tue, 19 Mar 2002 16:12:13 -0600
Subject: [python-win32] Pythonservice.exe running at 100%
In-Reply-To: <20020319150024.A7548@rock.homelinux.com>; from david@rock.homelinux.com on Tue, Mar 19, 2002 at 03:00:24PM -0600
References: <20020318231049.B5724@rock.homelinux.com> <LCEPIIGDJPKCOIHOBJEPIEPBFEAA.mhammond@skippinet.com.au> <20020319150024.A7548@rock.homelinux.com>
Message-ID: <20020319161213.A7651@rock.homelinux.com>

On Tue, Mar 19, 2002 at 03:00:24PM -0600, David Rock wrote:
> On Tue, Mar 19, 2002 at 05:13:30PM +1100, Mark Hammond wrote:
> > > Every time I try to run a service on Windows NT4, it always runs at 100%
> > > CPU utilization. Why does pythonservice.exe do this and is there any way
> > > that I can throttle it back? I have managed to minimize the amount of
> > > time that the service app I am running takes, so that it is not a
> > > tremendous strain on the system (just a couple seconds) but I would like
> > > to manage this better.
> > 
> > Something is almost certainly wrong with your service.  The test services do
> > not exhibit this.  Check that your loops that are supposed to be waiting for
> > something actually are :)
> 
> Is there any chance that the version of Python and the WIn32 extensions
> will be a factor in this? I am currently using Python 2.1.1 from
> Python.org with Win32all-145.
> 
> I am in the process of downloading 2.2 and win32all-146 to see if it
> makes a difference.

I have tried this with Python 2.2 and Win32all-146 and I get the same
thing. The cpu pegs at 100% whenever it is running. I suppose this is
just because the service isn't really designed well as an event-driven
app, since the whole point of it is to see what happens when you run I/O
constantly X number of times. I would still like to know why there is
such a drastic difference between the standalone's speed and the
service's speed (loops=1000 and loops=25 respectively).

Oh well. I guess I'll just make sure I test it out before using it in
production ;-)

BTW, thanks for the development Mark. This will prove invaluable for
what I am doing at work.

-- 
David Rock
david@rock.homelinux.com


From mhammond@skippinet.com.au  Wed Mar 20 00:08:02 2002
From: mhammond@skippinet.com.au (Mark Hammond)
Date: Wed, 20 Mar 2002 11:08:02 +1100
Subject: [python-win32] Pythonservice.exe running at 100%
Message-ID: <LCEPIIGDJPKCOIHOBJEPGEPPFEAA.mhammond@skippinet.com.au>

[David]
> I have a standalone version of the script that does the same thing. It
> seems to be the run_test module that is in question. This module creates
> a temp file and rewrites data to the file loop number of times. If I use
> the script version of it, loop=1000 takes about 1 second to complete If
> I use the service version of it loop=25 takes about 1 second. In either
> case, if the loop value is large enough (to see it in the task manager),
> the process still pegs the cpu at 100% when it is running.

I guess there are 2 possibilities:
* Something else is also hogging the CPU.
* There is issue when running under the service account.

If you debug your service (ie, yourservice.py --debug) do you see the same
behaviour?

Mark.



From David Rock <david@rock.homelinux.com>  Wed Mar 20 05:03:48 2002
From: David Rock <david@rock.homelinux.com> (David Rock)
Date: Tue, 19 Mar 2002 23:03:48 -0600
Subject: [python-win32] Pythonservice.exe running at 100%
In-Reply-To: <LCEPIIGDJPKCOIHOBJEPGEPPFEAA.mhammond@skippinet.com.au>; from mhammond@skippinet.com.au on Wed, Mar 20, 2002 at 11:08:02AM +1100
References: <LCEPIIGDJPKCOIHOBJEPGEPPFEAA.mhammond@skippinet.com.au>
Message-ID: <20020319230348.A8489@rock.homelinux.com>

On Wed, Mar 20, 2002 at 11:08:02AM +1100, Mark Hammond wrote:
> [David]
> > I have a standalone version of the script that does the same thing. It
> > seems to be the run_test module that is in question. This module creates
> > a temp file and rewrites data to the file loop number of times. If I use
> > the script version of it, loop=1000 takes about 1 second to complete If
> > I use the service version of it loop=25 takes about 1 second. In either
> > case, if the loop value is large enough (to see it in the task manager),
> > the process still pegs the cpu at 100% when it is running.
> 
> I guess there are 2 possibilities:
> * Something else is also hogging the CPU.
> * There is issue when running under the service account.
> 
> If you debug your service (ie, yourservice.py --debug) do you see the same
> behaviour?

When I debug the service, it behaves like the standalone app does;
actually, it behaves better. The system resources spike to 100% but
don't stay there, and the number of loops per second is similar to the
standalone version.

So what does this mean? I don't see any indication that anything is
hogging the CPU while in debug mode. Should I create a test account to
try running the service under to see if that makes a difference?

I did notice that python.exe is running while in debug mode as well as
pythonservice.exe. I assume this is because it's actually calling the
console version of python?

-- 
David Rock
david@rock.homelinux.com


From andrew-pywin32@puzzling.org  Wed Mar 20 05:46:22 2002
From: andrew-pywin32@puzzling.org (Andrew Bennetts)
Date: Wed, 20 Mar 2002 16:46:22 +1100
Subject: [python-win32] Pythonservice.exe running at 100%
In-Reply-To: <20020319230348.A8489@rock.homelinux.com>
References: <LCEPIIGDJPKCOIHOBJEPGEPPFEAA.mhammond@skippinet.com.au> <20020319230348.A8489@rock.homelinux.com>
Message-ID: <20020320054622.GA24737@ritsuko.xware.cx>

On Tue, Mar 19, 2002 at 11:03:48PM -0600, David Rock wrote:
> So what does this mean? I don't see any indication that anything is
> hogging the CPU while in debug mode. Should I create a test account to
> try running the service under to see if that makes a difference?

I think so, yes.  Run the standalone under the same test account as well, of
course...

-Andrew.



From MarkA@sundance.com  Wed Mar 20 10:26:52 2002
From: MarkA@sundance.com (Mark Ainsworth)
Date: Wed, 20 Mar 2002 10:26:52 -0000
Subject: [python-win32] generating data plots.
Message-ID: <C866833DDD42D51181B000A024E7E4751074F7@luna.sundance.com>

Can anyone point me to the right site/pages to read to figure out what
packages I need to be able to read a text file of data, convert this to a
simple line graph and then save it in a PDF file.

Thanks.

Mark Ainsworth
Quality Manager
Sundance Multiprocessor Technology Ltd.
Chiltern House, Waterside, Chesham, Bucks HP5 1PS
Tel. +44 1494 793167 Fax. +44 1494 793168
MarkA@sundance.com http://www.sundance.com


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end


From MarkA@sundance.com  Wed Mar 20 10:26:52 2002
From: MarkA@sundance.com (Mark Ainsworth)
Date: Wed, 20 Mar 2002 10:26:52 -0000
Subject: [python-win32] generating data plots.
Message-ID: <C866833DDD42D51181B000A024E7E4751074F7@luna.sundance.com>

Can anyone point me to the right site/pages to read to figure out what
packages I need to be able to read a text file of data, convert this to a
simple line graph and then save it in a PDF file.

Thanks.

Mark Ainsworth
Quality Manager
Sundance Multiprocessor Technology Ltd.
Chiltern House, Waterside, Chesham, Bucks HP5 1PS
Tel. +44 1494 793167 Fax. +44 1494 793168
MarkA@sundance.com http://www.sundance.com


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end


From MarkA@sundance.com  Wed Mar 20 10:26:52 2002
From: MarkA@sundance.com (Mark Ainsworth)
Date: Wed, 20 Mar 2002 10:26:52 -0000
Subject: [python-win32] generating data plots.
Message-ID: <C866833DDD42D51181B000A024E7E4751074F7@luna.sundance.com>

Can anyone point me to the right site/pages to read to figure out what
packages I need to be able to read a text file of data, convert this to a
simple line graph and then save it in a PDF file.

Thanks.

Mark Ainsworth
Quality Manager
Sundance Multiprocessor Technology Ltd.
Chiltern House, Waterside, Chesham, Bucks HP5 1PS
Tel. +44 1494 793167 Fax. +44 1494 793168
MarkA@sundance.com http://www.sundance.com


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end


From MarkA@sundance.com  Wed Mar 20 10:26:52 2002
From: MarkA@sundance.com (Mark Ainsworth)
Date: Wed, 20 Mar 2002 10:26:52 -0000
Subject: [python-win32] generating data plots.
Message-ID: <C866833DDD42D51181B000A024E7E4751074F7@luna.sundance.com>

Can anyone point me to the right site/pages to read to figure out what
packages I need to be able to read a text file of data, convert this to a
simple line graph and then save it in a PDF file.

Thanks.

Mark Ainsworth
Quality Manager
Sundance Multiprocessor Technology Ltd.
Chiltern House, Waterside, Chesham, Bucks HP5 1PS
Tel. +44 1494 793167 Fax. +44 1494 793168
MarkA@sundance.com http://www.sundance.com


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end


From MarkA@sundance.com  Wed Mar 20 10:26:52 2002
From: MarkA@sundance.com (Mark Ainsworth)
Date: Wed, 20 Mar 2002 10:26:52 -0000
Subject: [python-win32] generating data plots.
Message-ID: <C866833DDD42D51181B000A024E7E4751074F7@luna.sundance.com>

Can anyone point me to the right site/pages to read to figure out what
packages I need to be able to read a text file of data, convert this to a
simple line graph and then save it in a PDF file.

Thanks.

Mark Ainsworth
Quality Manager
Sundance Multiprocessor Technology Ltd.
Chiltern House, Waterside, Chesham, Bucks HP5 1PS
Tel. +44 1494 793167 Fax. +44 1494 793168
MarkA@sundance.com http://www.sundance.com


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end


From MarkA@sundance.com  Wed Mar 20 10:26:52 2002
From: MarkA@sundance.com (Mark Ainsworth)
Date: Wed, 20 Mar 2002 10:26:52 -0000
Subject: [python-win32] generating data plots.
Message-ID: <C866833DDD42D51181B000A024E7E4751074F7@luna.sundance.com>

Can anyone point me to the right site/pages to read to figure out what
packages I need to be able to read a text file of data, convert this to a
simple line graph and then save it in a PDF file.

Thanks.

Mark Ainsworth
Quality Manager
Sundance Multiprocessor Technology Ltd.
Chiltern House, Waterside, Chesham, Bucks HP5 1PS
Tel. +44 1494 793167 Fax. +44 1494 793168
MarkA@sundance.com http://www.sundance.com


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@-#<U,3`W-$8W0&QU;F$N<W5N9&%N8V4N8V]M/@``9ID=
`
end


From jens.jorgensen@tallan.com  Wed Mar 20 14:58:39 2002
From: jens.jorgensen@tallan.com (Jens B. Jorgensen)
Date: Wed, 20 Mar 2002 08:58:39 -0600
Subject: [python-win32] Re: generating data plots.
References: <C866833DDD42D51181B000A024E7E4751074F7@luna.sundance.com>
Message-ID: <3C98A39F.3000503@tallan.com>

This is a multi-part message in MIME format.
--------------010307070106070508040508
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit

My advice would be to use the PSDraw module (part of PIL) to output 
postscript and then convert that to pdf with ghostscript. I used the pay 
version of Acrobat for the conversion so if you've got that or want to 
lay out the $ then that's a good option. You might want to get a book on 
postscript, it is actually a pretty high-level drawing language. The 
PSDraw module though simplifies things a little bit. Attached is a 
script I used to get information from a SQL Server database trace about 
when locks were happening so I could see the contention between threads. 
I generated a massive graph which spanned like 30 pages which I taped 
together and put up on the wall. In the end the graph didn't help us 
that much but it was cool to build and worked great.

Mark Ainsworth wrote:

>Can anyone point me to the right site/pages to read to figure out what
>packages I need to be able to read a text file of data, convert this to
>a simple line graph and then save it in a PDF file.
>
>Thanks.
>
>Mark Ainsworth
>Quality Manager
>Sundance Multiprocessor Technology Ltd.
>Chiltern House, Waterside, Chesham, Bucks HP5 1PS
>Tel. +44 1494 793167 Fax. +44 1494 793168
>MarkA@sundance.com http://www.sundance.com
>
>_______________________________________________
>Python-win32 mailing list
>Python-win32@python.org
>http://mail.python.org/mailman/listinfo/python-win32
>


-- 
Jens B. Jorgensen
jens.jorgensen@tallan.com



--------------010307070106070508040508
Content-Type: text/plain;
 name="big_graph.py"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline;
 filename="big_graph.py"

from win32com.client import Dispatch
import ADO, sys, time, os, re

sys.path.append('c:\\py21\\DLLs')
sys.path.append('c:\\py21\\PIL')

import PSDraw

# draw the time lines
margin = 0.25 # leave a quarter inch margin all around
page_cols = 5 # five time lines per page
vert_pages = 4 # four pages long on the lines

tl_width = (8.5 - margin * 2) / page_cols

def inch2pts(v) :
    return v * 72

def draw_lines(ps) :
    start_y = 11 - margin
    end_y = margin

    x = margin
    for i in xrange(0, page_cols) :
        ps.line((inch2pts((margin) + i * tl_width), inch2pts(start_y)),
                (inch2pts((margin) + i * tl_width), inch2pts(end_y)))

class EventClass :
    SQL_StmtStarting = 40
    SQL_StmtCompleted = 41
    Lock_Timeout = 27
    Object_Opened = 48
    Object_Closed = 49

cn = ADO.Connection()
cn.Provider = 'sqloledb'
cn.Open('Server=XXXXXX', 'sa', 'XXXXX')

# get the object names for Object_Opens so we can map them when we have a
# LockTimeout
(rs, rows) = cn.Execute("select ObjectID, TextData from c2ctrace where EventClass = 48 and EventSubClass = 8277")
object_ids = {}
while not rs.EOF :
    object_ids[rs.Fields.Item(0).Value] = rs.Fields.Item(1).Value
    rs.MoveNext()
    
def get_objectid(id) :
    try :
        return object_ids[id]
    except :
        return '<unknown>'
    
# based on the number of pages we're drawing over we need to determine what
# time quantity will go on each page. so, we need to select the min and max
# values of the time
(rs, rows) = cn.Execute("select min(StartTime), max(StartTime) from c2ctrace where EventClass = 40 or EventClass = 27 and SPID is not NULL")

min_time = float(rs.Fields.Item(0).Value)
max_time = float(rs.Fields.Item(1).Value)
rs.Close()

# we adjust the min_time and max_time so that we get 0.5 inch of space at the top
# and bottom of the timelines
buffer_time = 0.5 * (max_time - min_time) / (vert_pages * (11 - 2 * margin))
min_time -= buffer_time
max_time += buffer_time

time_per_page = (max_time - min_time) / vert_pages

# first get the unique SPIDS
(rs, rows) = cn.Execute("select distinct(SPID) from c2ctrace")

spids = []
while not rs.EOF :
    if rs.Fields.Item(0).Value != None :
        spids.append(rs.Fields.Item(0).Value)
    rs.MoveNext()
rs.Close()

# now that we know how many SPIDs there are we can set up the PSDraw instances.
# we do each page individually so it's easier for us to do with the SQL as it's
# coming back. the variable pages is a list of lists of PSDraw instances. Once
# it is created thus we can access it like pages[1][2]
pages = []
for i in xrange(0, (len(spids) + (page_cols-1)) / page_cols) :
    col = []
    for j in xrange(0, vert_pages) :
        ps = PSDraw.PSDraw(open('c:\\temp\\trace_%d-%d.ps' % (i+1,j+1), 'wb'))
        ps.begin_document()

        # draw the time-lines
        ps.setfont('Times-Roman', 12)
        draw_lines(ps)

        # draw the page coordinates in the lower-right corner
        ps.text((inch2pts(8.5-margin-0.25), inch2pts(margin)), '(%d, %d)' % (i+1,j+1))

        col.append(ps)
    pages.append(col)

# now the output pages are initialized we can go through and get our data
# and render it onto the pages
for i in xrange(0, len(spids)) :
    (rs, rows) = cn.Execute("select StartTime, TextData, EventClass, ObjectID from c2ctrace where (EventClass = 40 or EventClass = 27) and SPID = %s order by StartTime" % spids[i])

    # we can figure out here which column of pages and which column on that page
    # we're dealing with
    page_col = pages[i / page_cols]
    col = i % page_cols

    # while we're at it we can get the base x value where the timeline is
    # drawn
    x_ref = margin + col * tl_width

    # write our spid at the top of the timeline
    page_col[0].text((inch2pts(x_ref+0.1), inch2pts(11 - margin) - 12), "SPID %s" % spids[i])
    
    while not rs.EOF :
        s = rs.Fields.Item(1).Value
        if s == 'IF @@TRANCOUNT > 0' :
            rs.MoveNext()
            continue
        
        # we need to take the start time and figure out from it what page row
        # we're on
        timestamp = float(rs.Fields.Item(0).Value)
        timestamp -= min_time # adjust for the origin of our time
        secs = timestamp
        page_row = int(timestamp / time_per_page)
        if page_row >= len(page_col) :
            page_row = len(page_col) - 1

        # now adjust the timestamp value for intra-page placement
        timestamp -= page_row * time_per_page
        y_ref = (11 - 2 * margin) * (1.0 - timestamp / time_per_page) + margin

        # draw a short horizontal line to mark this spot
        page_col[page_row].line((inch2pts(x_ref), inch2pts(y_ref)),
                                       (inch2pts(x_ref+0.125), inch2pts(y_ref)))

        # write the timestamp, and following lines
        lines = []
        lines.append('%0.3f' % (secs * 24 * 60 * 60))
        
        if rs.Fields.Item(2).Value == '40' :
            s = rs.Fields.Item(1).Value
            s = s[0:40] # just the first (no more than) 40 chars
            #print repr(s)
            lines.extend(re.split('[\\r\\n]+', s))
            #f.write("%s %s\n" % (time.ctime(int(rs.Fields.Item(0).Value)), ))
        elif rs.Fields.Item(2).Value == '27' :
            lines.append("LockTimeout:")
            lines.append(str(get_objectid(rs.Fields.Item(3).Value)))
            #f.write("%s LockTimeout\n" % time.ctime(int(rs.Fields.Item(0).Value)))

        x = x_ref + 0.1
        y = y_ref + 2.0/72.0 # just to get it above the horizontal line
        for l in lines :
            page_col[page_row].text((inch2pts(x), inch2pts(y)), l)
            y -= 12.0 / 72.0

        rs.MoveNext()

# now go through all the pages and finish them up
for i in pages :
    for j in i :
        j.end_document()


# fini!

--------------010307070106070508040508--



From noah@sfbags.com  Wed Mar 20 20:08:47 2002
From: noah@sfbags.com (Noah Spurrier)
Date: Wed, 20 Mar 2002 12:08:47 -0800
Subject: [python-win32] RE: generating data plots.
In-Reply-To: <C866833DDD42D51181B000A024E7E4751074F7@luna.sundance.com>
Message-ID: <CDEMJIJCPELOLONMFIKGKEDBCFAA.noah@sfbags.com>

There is a free Open Source PDF library called ReportLab here:
        http://www.reportlab.com/toolkit/index.html

PIL (Python Imaging Library) supports PDF Write. I have not used it, but it is in their documentation:
        http://www.pythonware.com/library/pil/handbook/image-file-formats.htm

Then there is Piddle, which is a plot library for Python that supports PDF Generation:
        http://piddle.sourceforge.net/notesPDF/index.html
For a sample, check out "codeplot" on this page:
        http://starship.python.net/crew/gherman/
It looks pretty simple and straightforward.

Good luck. Send me a demo if you get it working.
I'm curious to see which method works best for you.

Yours,
Noah

>  -----Original Message-----
> From: 	python-win32-admin@python.org [mailto:python-win32-admin@python.org]  On Behalf Of Mark Ainsworth
> Sent:	Wednesday, March 20, 2002 2:27 AM
> To:	'python-win32@python.org'
> Subject:	generating data plots.
>
> Can anyone point me to the right site/pages to read to figure out what packages I need to be able to read a text file of data,
convert this to a simple line graph and then save it in a PDF file.
>
> Thanks.
>
> Mark Ainsworth
> Quality Manager
> Sundance Multiprocessor Technology Ltd.
> Chiltern House, Waterside, Chesham, Bucks HP5 1PS
> Tel. +44 1494 793167 Fax. +44 1494 793168
> MarkA@sundance.com http://www.sundance.com
>  << File: ATT00027.txt >>



From noah@noah.org  Wed Mar 20 18:04:05 2002
From: noah@noah.org (Noah Spurrier)
Date: Wed, 20 Mar 2002 10:04:05 -0800
Subject: [python-win32] RE: generating data plots.
Message-ID: <005601c1d039$b298b4b0$6501a8c0@fs>

PIL (Python Imaging Library) supports PDF Write. I have not used it, but it is in their documentation:
        http://www.pythonware.com/library/pil/handbook/image-file-formats.htm

Then there is Piddle, which is a plot library for Python that supports PDF Generation:
        http://piddle.sourceforge.net/notesPDF/index.html
For a sample, check out "codeplot" on this page:
        http://starship.python.net/crew/gherman/
It looks pretty simple and straightforward.

There is also a free Open Source PDF library called ReportLab here:
        http://www.reportlab.com/toolkit/index.html

Good luck. Send me a demo if you get it working.
I'm curious to see which method works best for you.

Yours,
Noah

> -----Original Message-----
> From: python-win32-admin@python.org [mailto:python-win32-admin@python.org] On Behalf Of Mark Ainsworth
> Sent: Wednesday, March 20, 2002 2:27 AM
> To: 'python-win32@python.org'
> Subject: generating data plots.
>
> Can anyone point me to the right site/pages to read to figure out what packages I need to be able to read a text file of data,
convert this to a simple line graph and then save it in a PDF file.
>
> Thanks.
>
> Mark Ainsworth
> Quality Manager
> Sundance Multiprocessor Technology Ltd.
> Chiltern House, Waterside, Chesham, Bucks HP5 1PS
> Tel. +44 1494 793167 Fax. +44 1494 793168
> MarkA@sundance.com http://www.sundance.com
> << File: ATT00027.txt >>



From thomas.jacobsen@sveg.se.sykes.com  Mon Mar 25 08:33:22 2002
From: thomas.jacobsen@sveg.se.sykes.com (Thomas Jacobsen)
Date: Mon, 25 Mar 2002 09:33:22 +0100
Subject: [python-win32] Help needed! Problems with VB & PythonWin
Message-ID: <BA81D474F304D611B3330002A5AB32272D25D6@ratatosk.sveg.se.sykes.com>

Hi There,

I have a problem with intergrating Python in VB... What i will is to have
VB's GUI, and Pythons code for functions, database etc.(this should be
dynamic code, i fyou know what i mean?!) Because i have followed the example
at www.hps1.demon.co.uk/users/andy/pyvb/ , And i can get it to work etc. But
in the example there is no example for like changing a list in the python
code, push a 'refresh'-button, and seee the changes in VB without needing
the restart the VB application.. Is it possible to make a 'streamin' object
in COM ?! So VB get the changes, when they are made, or how should i solve
this ?!

Any help would be appriciated!

/Thomas

"Knowledge is of two kinds. We know a subject ourselves, or we know where we
can find information on it." -- Samuel Johnson




From mrroach@uhg.net  Mon Mar 25 00:11:08 2002
From: mrroach@uhg.net (Mark Roach)
Date: 24 Mar 2002 18:11:08 -0600
Subject: [python-win32] Huge print spool files
Message-ID: <1017015074.15650.28.camel@mrlinux>

I am trying to print a large image (a TIFF fax image), and I can't
figure out how to make it more efficient. It is spooling almost 100MB
for each page. Other image viewers are only spooling ~500K. I am using
PIL to scale the image to full page and then using ImageWin.expose on
the printer CDC. Anyone know a better way to do this?

newImg = myPImg.resize((5100,6600))
myImgW = ImageWin.Dib("RGB", (newImg.size))
myImgW.paste(newImg)
myCDC.StartDoc('TestAgain')
myCDC.StartPage()
myImgW.expose(myCDC.GetHandleAttrib())
myCDC.EndPage()
myCDC.EndDoc()





From David Rock <david@rock.homelinux.com>  Mon Mar 25 19:37:39 2002
From: David Rock <david@rock.homelinux.com> (David Rock)
Date: Mon, 25 Mar 2002 13:37:39 -0600
Subject: [python-win32] Service error in Terminal Server 4.0
Message-ID: <20020325133739.A29336@rock.homelinux.com>

I am getting an error while trying to use pythonservice.exe, but it
seems to be coming up only in MS TS4.0:

1061 The service cannot accept control messages at this time

I get this when I try to stop the service because it appears to have
stalled. I have no problems with the service under WINNT4.0 or WIN2000.

If I try to kill the process from within the task manager, I get an
error that access is denied (it  is currently running as the SYSTEM 
account.

Any ideas of what to look for?

-- 
David Rock
david@rock.homelinux.com


From mhammond@skippinet.com.au  Tue Mar 26 00:34:00 2002
From: mhammond@skippinet.com.au (Mark Hammond)
Date: Tue, 26 Mar 2002 11:34:00 +1100
Subject: [python-win32] Service error in Terminal Server 4.0
In-Reply-To: <20020325133739.A29336@rock.homelinux.com>
Message-ID: <LCEPIIGDJPKCOIHOBJEPGEBEFGAA.mhammond@skippinet.com.au>

This can happen if the service shutdown causes an error.  If you are lucky
you will see an entry in the event log.  If not, you may need to add your
own debugging statements to the SvcStop function to try and see where it
fails.

The "access denied" error is common when a service fails to stop in this
way.

Mark.

> -----Original Message-----
> From: python-win32-admin@python.org
> [mailto:python-win32-admin@python.org]On Behalf Of David Rock
> Sent: Tuesday, 26 March 2002 6:38 AM
> To: python-win32@python.org
> Subject: [python-win32] Service error in Terminal Server 4.0
>
>
> I am getting an error while trying to use pythonservice.exe, but it
> seems to be coming up only in MS TS4.0:
>
> 1061 The service cannot accept control messages at this time
>
> I get this when I try to stop the service because it appears to have
> stalled. I have no problems with the service under WINNT4.0 or WIN2000.
>
> If I try to kill the process from within the task manager, I get an
> error that access is denied (it  is currently running as the SYSTEM
> account.
>
> Any ideas of what to look for?
>
> --
> David Rock
> david@rock.homelinux.com
>
> _______________________________________________
> Python-win32 mailing list
> Python-win32@python.org
> http://mail.python.org/mailman/listinfo/python-win32



From Drew.Whitehouse@anu.edu.au  Tue Mar 26 09:52:33 2002
From: Drew.Whitehouse@anu.edu.au (Drew Whitehouse)
Date: 26 Mar 2002 20:52:33 +1100
Subject: [python-win32] win32 pipes and CreateProcess
Message-ID: <wlk7rz7j1a.fsf@anu.edu.au>

Hi,

I'm investigating some problems I'm having with win32 process creation
and in the course of investigating the matter I've noticed this
behavior ...

If you modify the example in win32/demos/pipes/runproc.py so that the test is

if __name__ == '__main__':

    import time
    while 1:
        p = Process()
        exe = win32api.GetModuleFileName(0)
        p.run(exe + ' cat.py')
        time.sleep(1)

It crashes with ....

$ python runproc.py
Read on stdout:  'hmmmmm\r\n'
Read on stderr:  'Blah...'
Read on stdout:  'hmmmmm\r\n'
Read on stderr:  'Blah...'
Traceback (most recent call last):
  File "runproc.py", line 111, in ?
    time.sleep(1)
pywintypes.api_error: (6, 'CloseHandle', 'The handle is invalid.')

Any ideas ?

-Drew

-- 
;; Drew.Whitehouse@anu.edu.au      Sci-Viz/VR Programmer
;; http://anusf.anu.edu.au/~drw900          ANUSF VIZLAB
;; Australian National University Supercomputer Facility



From garber@centralcatholic.org  Wed Mar 27 15:36:53 2002
From: garber@centralcatholic.org (Robert Garber)
Date: Wed, 27 Mar 2002 10:36:53 -0500
Subject: [python-win32] HELP with py2exe
Message-ID: <200203271036.AA596443584@centralcatholic.org>

Hello all, 

Stuck on py2exe.  I seem to be having a problem getting this to work. I have followed thte steps that are on the web page, but with no luck. 

I am wondering if I have things in the right directory (WIN98). ANy ideas out there? 

The dos's say: 
run python setup.py py2exe 

Which run are they talking about I have tried run from winpython, MSDOS, at the >>> in the interprter, with no luck.. 

                    thanks, 
                    Robert 



From reggie@merfinllc.com  Wed Mar 27 17:38:54 2002
From: reggie@merfinllc.com (Reggie Dugard)
Date: 27 Mar 2002 09:38:54 -0800
Subject: [python-win32] HELP with py2exe
In-Reply-To: <200203271036.AA596443584@centralcatholic.org>
References: <200203271036.AA596443584@centralcatholic.org>
Message-ID: <1017250735.2553.4.camel@auk>

Assuming you have python.exe in your PATH and the setup.py for py2exe is
in your current directory, you should type "python setup.py py2exe" at
the DOS prompt.  This will cause python to run the setup.py script with
py2exe as its argument.


On Wed, 2002-03-27 at 07:36, Robert Garber wrote:
> Hello all, 
> 
> Stuck on py2exe.  I seem to be having a problem getting this to work. I have followed thte steps that are on the web page, but with no luck. 
> 
> I am wondering if I have things in the right directory (WIN98). ANy ideas out there? 
> 
> The dos's say: 
> run python setup.py py2exe 
> 
> Which run are they talking about I have tried run from winpython, MSDOS, at the >>> in the interprter, with no luck.. 
> 
>                     thanks, 
>                     Robert 
> 
> 
> _______________________________________________
> Python-win32 mailing list
> Python-win32@python.org
> http://mail.python.org/mailman/listinfo/python-win32




From jeff@ccvcorp.com  Wed Mar 27 17:48:02 2002
From: jeff@ccvcorp.com (Jeff Shannon)
Date: Wed, 27 Mar 2002 09:48:02 -0800
Subject: [python-win32] HELP with py2exe
References: <E16qGnz-0006HX-00@mail.python.org>
Message-ID: <3CA205D2.9D477C9B@ccvcorp.com>

>  "Robert Garber" <garber@centralcatholic.org> wrote:
>
> Stuck on py2exe.  I seem to be having a problem getting this to work. I have followed thte steps that are on the web page, but with no luck.
>
> I am wondering if I have things in the right directory (WIN98). ANy ideas out there?
>
> The dos's say:
> run python setup.py py2exe
>
> Which run are they talking about I have tried run from winpython, MSDOS, at the >>> in the interprter, with no luck..

You do not actually type the word run.  This should be done from the MSDOS prompt.  You'll first want to cd to the directory that your package
is in, like so:

C:\>  cd \python21\MyPackage
C:\Python21\MyPackage>

(The C:\> and the second line are the DOS prompt.)  Then, you run python with the specified parameters, like so:

C:\Python21\MyPackage>  python setup.py py2exe

Hope this helps...

Jeff Shannon
Technician/Programmer
Credit International







From Jim.Vickroy@noaa.gov  Thu Mar 28 15:24:44 2002
From: Jim.Vickroy@noaa.gov (Jim Vickroy)
Date: Thu, 28 Mar 2002 08:24:44 -0700
Subject: [python-win32] testing multiple versions of modules
Message-ID: <3CA335BC.FCD1FCD5@noaa.gov>

I wish to conveniently test multiple versions of my Python application
modules on a MS Windows platform.  I want to avoid manually editing the
Windows registry each time I want to modify the Python search path.  Is
modifying the contents of sys.path the way to do this and is use of the
_winreg module API the best way to modify sys.path?

Advice would be appreciated.  Thanks.



From jens.jorgensen@tallan.com  Thu Mar 28 15:35:44 2002
From: jens.jorgensen@tallan.com (Jens B. Jorgensen)
Date: Thu, 28 Mar 2002 09:35:44 -0600
Subject: [python-win32] testing multiple versions of modules
References: <3CA335BC.FCD1FCD5@noaa.gov>
Message-ID: <3CA33850.9000006@tallan.com>

It is convenient to simply set the PYTHONPATH environment variable. The 
contents of this path are tacked on to the end of the standard sys.path. 
BTW if you would like to use a registry module that has an easy to use 
and really-pythonified interface you could also try out my pyRegistry 
module (http://www.ultraemail.net/~jbj1).

Jim Vickroy wrote:

>I wish to conveniently test multiple versions of my Python application
>modules on a MS Windows platform.  I want to avoid manually editing the
>Windows registry each time I want to modify the Python search path.  Is
>modifying the contents of sys.path the way to do this and is use of the
>_winreg module API the best way to modify sys.path?
>
>Advice would be appreciated.  Thanks.
>
>
>_______________________________________________
>Python-win32 mailing list
>Python-win32@python.org
>http://mail.python.org/mailman/listinfo/python-win32
>


-- 
Jens B. Jorgensen
jens.jorgensen@tallan.com





From Jim.Vickroy@noaa.gov  Thu Mar 28 15:46:46 2002
From: Jim.Vickroy@noaa.gov (Jim Vickroy)
Date: Thu, 28 Mar 2002 08:46:46 -0700
Subject: [python-win32] testing multiple versions of modules
References: <3CA335BC.FCD1FCD5@noaa.gov> <3CA33850.9000006@tallan.com>
Message-ID: <3CA33AE6.A70F3B72@noaa.gov>

Thanks Jens.  I will look at your module.

I'm not much of a MS Windows programmer, but on page 27 of "Python
Programming on Win32" there is the statement that good Windows applications
store their information in the Windows Registry so I thought that was the
preferred way.

Anyway, at run time, I need to be able to control the order of the entries
in sys.path so that older versions of some modules are not imported instead
of the newer versions.  Im assuming sys.path is searched from first to last
to resolve import requests.  I guess I need so directory naming convention
that readily sorts from "newest" to "oldest" directory path.


"Jens B. Jorgensen" wrote:

> It is convenient to simply set the PYTHONPATH environment variable. The
> contents of this path are tacked on to the end of the standard sys.path.
> BTW if you would like to use a registry module that has an easy to use
> and really-pythonified interface you could also try out my pyRegistry
> module (http://www.ultraemail.net/~jbj1).
>
> Jim Vickroy wrote:
>
> >I wish to conveniently test multiple versions of my Python application
> >modules on a MS Windows platform.  I want to avoid manually editing the
> >Windows registry each time I want to modify the Python search path.  Is
> >modifying the contents of sys.path the way to do this and is use of the
> >_winreg module API the best way to modify sys.path?
> >
> >Advice would be appreciated.  Thanks.
> >
> >
> >_______________________________________________
> >Python-win32 mailing list
> >Python-win32@python.org
> >http://mail.python.org/mailman/listinfo/python-win32
> >
>
> --
> Jens B. Jorgensen
> jens.jorgensen@tallan.com



From garber@centralcatholic.org  Thu Mar 28 19:56:21 2002
From: garber@centralcatholic.org (Robert Garber)
Date: Thu, 28 Mar 2002 14:56:21 -0500
Subject: [python-win32] py2exe HELP
Message-ID: <200203281456.AA458097032@centralcatholic.org>

Hello,

 I am crashing and burning. I have tried everything i can think of. I able to get everytihng in the same directory. at the DOS prmpt i type python setup.py py2exe. Everything seems smooht unitl it gets donw the screena bit then it says 'runtime error line 3 in ? RUNtime error: Something is wrong.

So I oppne up the py2exe script. It tells me it has been replaced with the build_exe.py. So i edit my setup script to import build_exe. At the prompt I type python setup.py build_exe.That didnt work..Now I am getting a usage error that show 3 or 4 different ways to ask for help. and this one

error: invalid command 'build_exe' (no class 'build_exe' in mdule 'distutils.command.build_exe')> enst step I assumed was to copy thebuild_exe in to distutils.command directory. That didnt work. I am still getting the same error.  Any ideas on how to make this work?

Thanks 
Robert



From Jim.Vickroy@noaa.gov  Thu Mar 28 21:20:26 2002
From: Jim.Vickroy@noaa.gov (Jim Vickroy)
Date: Thu, 28 Mar 2002 14:20:26 -0700
Subject: [python-win32] distutils question
Message-ID: <3CA3891A.F7DE0E@noaa.gov>

I have written my first, simple setup.py for use with the distutils
module; I am experiencing some problems.

When it is exexcuted, the following output is generated:

running install
running build
running build_py
creating build
creating build\lib
creating build\lib\GOES_12
creating build\lib\GOES_12\SXI
creating build\lib\GOES_12\SXI\GDS
creating build\lib\GOES_12\SXI\GDS\processor
copying GOES_12\SXI\GDS\processor\__init__.py ->
build\lib\GOES_12\SXI\GDS\processor
copying GOES_12\SXI\GDS\processor\foo.py ->
build\lib\GOES_12\SXI\GDS\processor
running install_lib
creating C:\Python22\Lib\site-packages\GOES_12
creating C:\Python22\Lib\site-packages\GOES_12\SXI
creating C:\Python22\Lib\site-packages\GOES_12\SXI\GDS
creating C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor
copying build\lib\GOES_12\SXI\GDS\processor\foo.py ->
C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor
copying build\lib\GOES_12\SXI\GDS\processor\__init__.py ->
C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor
byte-compiling
C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor\foo.py to
foo.pyc
byte-compiling
C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor\__init__.py to
__init__.pyc


Everything looks fine; however, whenever I try to import it ...

>>> import GOES_12.SXI.GDS.processor.foo
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
ImportError: No module named GOES_12.SXI.GDS.processor.foo

What have I overlooked?  Do I explicitly need to add the directory
location to PYTHONPATH or the Windows registry?



From Jim.Vickroy@noaa.gov  Thu Mar 28 21:24:51 2002
From: Jim.Vickroy@noaa.gov (Jim Vickroy)
Date: Thu, 28 Mar 2002 14:24:51 -0700
Subject: [python-win32] distutils cleanup failure
Message-ID: <3CA38A23.B89B8E99@noaa.gov>

Does the distutils "clean" option work on MS Win32 platforms?

Here is the result on my computer:

D:\my-py-pkgs\GOES-12-SXI-GDS-processor-v4.0>setup.py clean
running clean
warning: clean: 'build\temp.win32-2.2' does not exist -- can't clean it

which is not surprising since the build directory created by "setup.py
install" is not 'build\temp.win32-2.2'.



From jens.jorgensen@tallan.com  Thu Mar 28 22:38:45 2002
From: jens.jorgensen@tallan.com (Jens B. Jorgensen)
Date: Thu, 28 Mar 2002 16:38:45 -0600
Subject: [python-win32] distutils question
References: <3CA3891A.F7DE0E@noaa.gov>
Message-ID: <3CA39B75.1030508@tallan.com>

Jim Vickroy wrote:

>I have written my first, simple setup.py for use with the distutils
>module; I am experiencing some problems.
>
>When it is exexcuted, the following output is generated:
>
>running install
>running build
>running build_py
>creating build
>creating build\lib
>creating build\lib\GOES_12
>creating build\lib\GOES_12\SXI
>creating build\lib\GOES_12\SXI\GDS
>creating build\lib\GOES_12\SXI\GDS\processor
>copying GOES_12\SXI\GDS\processor\__init__.py ->
>build\lib\GOES_12\SXI\GDS\processor
>copying GOES_12\SXI\GDS\processor\foo.py ->
>build\lib\GOES_12\SXI\GDS\processor
>running install_lib
>creating C:\Python22\Lib\site-packages\GOES_12
>creating C:\Python22\Lib\site-packages\GOES_12\SXI
>creating C:\Python22\Lib\site-packages\GOES_12\SXI\GDS
>creating C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor
>copying build\lib\GOES_12\SXI\GDS\processor\foo.py ->
>C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor
>copying build\lib\GOES_12\SXI\GDS\processor\__init__.py ->
>C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor
>byte-compiling
>C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor\foo.py to
>foo.pyc
>byte-compiling
>C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor\__init__.py to
>__init__.pyc
>
>
>Everything looks fine; however, whenever I try to import it ...
>
>>>>import GOES_12.SXI.GDS.processor.foo
>>>>
>Traceback (most recent call last):
>  File "<stdin>", line 1, in ?
>ImportError: No module named GOES_12.SXI.GDS.processor.foo
>
>What have I overlooked?  Do I explicitly need to add the directory
>location to PYTHONPATH or the Windows registry?
>
Oh, actually yeah, you have to do this also. distutils will create it 
for you but unless you subsequently you need to either a) change to the 
base directory distutils puts the module into (the directory that 
contains the directory GOES_12) or then actually install the modules 
with the installer it creates.

-- 
Jens B. Jorgensen
jens.jorgensen@tallan.com





From niki@vintech.bg  Fri Mar 29 09:06:54 2002
From: niki@vintech.bg (Niki Spahiev)
Date: Fri, 29 Mar 2002 11:06:54 +0200
Subject: [python-win32] distutils question
References: <3CA3891A.F7DE0E@noaa.gov>
Message-ID: <3CA42EAE.3060502@vintech.bg>

Jim Vickroy wrote:
> I have written my first, simple setup.py for use with the distutils
> module; I am experiencing some problems.
> 
> When it is exexcuted, the following output is generated:
> 
> running install
> running build
> running build_py
> creating build
> creating build\lib
> creating build\lib\GOES_12
> creating build\lib\GOES_12\SXI
> creating build\lib\GOES_12\SXI\GDS
> creating build\lib\GOES_12\SXI\GDS\processor
> copying GOES_12\SXI\GDS\processor\__init__.py ->
> build\lib\GOES_12\SXI\GDS\processor
> copying GOES_12\SXI\GDS\processor\foo.py ->
> build\lib\GOES_12\SXI\GDS\processor
> running install_lib
> creating C:\Python22\Lib\site-packages\GOES_12
> creating C:\Python22\Lib\site-packages\GOES_12\SXI
> creating C:\Python22\Lib\site-packages\GOES_12\SXI\GDS
> creating C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor
> copying build\lib\GOES_12\SXI\GDS\processor\foo.py ->
> C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor
> copying build\lib\GOES_12\SXI\GDS\processor\__init__.py ->
> C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor
> byte-compiling
> C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor\foo.py to
> foo.pyc
> byte-compiling
> C:\Python22\Lib\site-packages\GOES_12\SXI\GDS\processor\__init__.py to
> __init__.pyc
> 
> 
> Everything looks fine; however, whenever I try to import it ...
> 
> 
>>>>import GOES_12.SXI.GDS.processor.foo
>>>
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
> ImportError: No module named GOES_12.SXI.GDS.processor.foo
> 
> What have I overlooked?  Do I explicitly need to add the directory
> location to PYTHONPATH or the Windows registry?

No but IMO you don't have __init__.py in GOES_12, GOES_12\SXI, 
GOES_12\SXI\GDS

HTH
Niki Spahiev





From robinjim@earthlink.net  Fri Mar 29 10:09:20 2002
From: robinjim@earthlink.net (robin and jim)
Date: Fri, 29 Mar 2002 03:09:20 -0700
Subject: [python-win32] distutils question
References: <3CA3891A.F7DE0E@noaa.gov> <3CA42EAE.3060502@vintech.bg>
Message-ID: <000601c1d709$cc678b60$1cadbfa8@robinjim>

Thanks for your response.

Please see my comments below.

----- Original Message -----
From: "Niki Spahiev" <niki@vintech.bg>
To: "Jim Vickroy" <Jim.Vickroy@noaa.gov>
Cc: <python-win32@python.org>
Sent: Friday, March 29, 2002 2:06 AM
Subject: Re: [python-win32] distutils question


> Jim Vickroy wrote:
> > I have written my first, simple setup.py for use with the distutils
>>

[snip]

> > Everything looks fine; however, whenever I try to import it ...
> >
> >
> >>>>import GOES_12.SXI.GDS.processor.foo
> >>>
> > Traceback (most recent call last):
> >   File "<stdin>", line 1, in ?
> > ImportError: No module named GOES_12.SXI.GDS.processor.foo
> >
> > What have I overlooked?  Do I explicitly need to add the directory
> > location to PYTHONPATH or the Windows registry?
>
> No but IMO you don't have __init__.py in GOES_12, GOES_12\SXI,
> GOES_12\SXI\GDS
>
> HTH
> Niki Spahiev
>
That is it exactly!

When an __init__ module is added to each directory ( GOES_12, GOES_12\SXI,
GOES_12\SXI\GDS) the import works without having to set PYTHONPATH or the MS
Windows Registry.  That is great!

The question is: how should setup.py be implemented to automate this so that
an __init__ module is placed in each directory as it is created during the
build?



From niki@vintech.bg  Fri Mar 29 10:11:32 2002
From: niki@vintech.bg (Niki Spahiev)
Date: Fri, 29 Mar 2002 12:11:32 +0200
Subject: [python-win32] distutils question
References: <3CA3891A.F7DE0E@noaa.gov> <3CA42EAE.3060502@vintech.bg> <000601c1d709$cc678b60$1cadbfa8@robinjim>
Message-ID: <3CA43DD4.4060400@vintech.bg>

robin and jim wrote:
>>No but IMO you don't have __init__.py in GOES_12, GOES_12\SXI,
>>GOES_12\SXI\GDS
>>
>>HTH
>>Niki Spahiev
>>
> 
> That is it exactly!
> 
> When an __init__ module is added to each directory ( GOES_12, GOES_12\SXI,
> GOES_12\SXI\GDS) the import works without having to set PYTHONPATH or the MS
> Windows Registry.  That is great!
> 
> The question is: how should setup.py be implemented to automate this so that
> an __init__ module is placed in each directory as it is created during the
> build?

Well IMHO this is not a task for setup.py but for module writer.

Niki Spahiev



From robinjim@earthlink.net  Fri Mar 29 11:47:58 2002
From: robinjim@earthlink.net (robin and jim)
Date: Fri, 29 Mar 2002 04:47:58 -0700
Subject: [python-win32] distutils question
References: <3CA3891A.F7DE0E@noaa.gov> <3CA42EAE.3060502@vintech.bg> <000601c1d709$cc678b60$1cadbfa8@robinjim> <3CA43DD4.4060400@vintech.bg>
Message-ID: <005701c1d717$9369f920$1cadbfa8@robinjim>

----- Original Message -----
From: "Niki Spahiev" <niki@vintech.bg>
To: "robin and jim" <robinjim@earthlink.net>
Cc: <python-win32@python.org>
Sent: Friday, March 29, 2002 3:11 AM
Subject: Re: [python-win32] distutils question


> robin and jim wrote:

[snip]

> > When an __init__ module is added to each directory ( GOES_12,
GOES_12\SXI,
> > GOES_12\SXI\GDS) the import works without having to set PYTHONPATH or
the MS
> > Windows Registry.  That is great!
> >
> > The question is: how should setup.py be implemented to automate this so
that
> > an __init__ module is placed in each directory as it is created during
the
> > build?
>
> Well IMHO this is not a task for setup.py but for module writer.
>
> Niki Spahiev
>

Perhaps you are correct, but if setup.py is to install a package, I want to
make it do so without additional user effort (e.g., manually adding __init__
modules or updating the Windows registry).  Some packages do this; I just
have not, yet, discovered how they do so.




From jeff@ccvcorp.com  Fri Mar 29 17:28:15 2002
From: jeff@ccvcorp.com (Jeff Shannon)
Date: Fri, 29 Mar 2002 09:28:15 -0800
Subject: [python-win32] distutils question
References: <E16qzlt-0000Sd-00@mail.python.org>
Message-ID: <3CA4A42F.7D6439A8@ccvcorp.com>

> > robin and jim wrote:
>
> > > The question is: how should setup.py be implemented to automate this so
> that
> > > an __init__ module is placed in each directory as it is created during
> the
> > > build?
> >
> > Well IMHO this is not a task for setup.py but for module writer.
> >
> > Niki Spahiev
>
> Perhaps you are correct, but if setup.py is to install a package, I want to
> make it do so without additional user effort (e.g., manually adding __init__
> modules or updating the Windows registry).  Some packages do this; I just
> have not, yet, discovered how they do so.

Creating the __init__.py is part of creating a package.  It isn't part of installing it -- it should be done *before* using distutils to bundle up the package.  Indeed, it's the presence of an __init__.py that *makes* a set of modules into a package, and __init__.py is used to control a number of
details of how that package behaves (what modules it exports, etc).

Note that Python uses the directory structure as part of the package structure.  If I'm reading what you're doing properly, it looks to me like you may wish, instead of putting an __init__.py in each of a series of otherwise empty directories (empty of Python files anyhow), to change your directory
structure so that your \processor directory is a direct subdirectory of site-packages.  Then, you would import your package as

import processor.foo

possibly renaming processor to be a little more specific.  Keep in mind that each segment of a name in an import statement (except the final one), is asking the interpreter to find a directory of that name and import the __init__.py file found in that directory.

Jeff Shannon
Technician/Programmer
Credit International