[python-win32] Compiling a Python Windows application

[James Matthews]

thanks always here to help

On 11/27/06, Bob Gailer <bgailer at alum.rpi.edu> wrote:
>
> Bokverket wrote:
> > I did program a lot in VB's earlier versions, but it has grown... My
> > reason
> > for not considering VB was that the actual processing would make
> excellent
> > use of the Python collection objects /dictionaries/, which in my mind
> would
> > hold words of the Microsoft Word document.
> Are you aware that VBA with the scripting runtime offers dictionary
> object almost identical to Python's dict? Here is a VB Sub that counts
> the words in the document:
>
> Sub test()
> Dim d As Document, w As Variant, w2 As String
> Set dict = CreateObject("Scripting.Dictionary")
> Set d = Documents(1)
> For Each w In d.Range().Words
>   w2 = Trim(w)
>   If dict.Exists(w2) Then
>     dict(w2) = dict(w2) + 1
>   Else
>     dict(w2) = 0
>   End If
> Next
> End Sub
>
> For my test document of about 21000 occurrences of 120 words this took
> about 5 seconds. The Python equivalent takes 0.15 seconds.
> >>> import time
> >>> import win32com.client
> >>> a = win32com.client.Dispatch("word.application")
> >>> d = a.Documents(1)
> # wrap the process to get the text from the document, split it into
> words and build the dictionary
> >>> def f():
> ...      t=time.time()
> ...      s=d.Range().Text
> ...      w=s.split()
> ...      wd={}
> ...      for i in w:
> ...          wd[i]=wd.setdefault(i,0)+1
> ...      print time.time()-t
> ...
> >>> f()
> 0.15700006485
>
> > (The app's purpose is to analyze words of possibly very large Word
> documents.) Plus I suppose that a macro which would loop with a few lines
> over each word of the doc will be slow, although I don't if there is a
> compiling or byte-code mechanism.  Am I wrong?
> >
>
> > I don't know if having a VB as glue to shelling Python is perfectly fine
> > performance-wise, and it certainly would be a simple way to handle the
> > dialog boxes that collect the parameters.  Maybe that is a much better
> way
> > than wondering about calling Python /shelling, calling a DLL, whatever/
> > directly.
> >
> > Next question: Is Microsoft Word's API for Python published like for VB
> and
> > easy to use?
> >
> Word has one API. It is what is published for VB. Your Python program
> would use win32com.client to launch Word as a COM server, then interact
> with it the same as a VB program (well, almost the same). For this you
> need pywin32 http://sourceforge.net/projects/pywin32/.
>
> import win32com.client
> application = win32com.client.Dispatch("word.application")
> # application is the same as the application object you see at the top
> of the word DOM in VB.
> document = application.Documents.Add() # to create a new document OR
> .Documents.Open(filename) to open an existing document.
> # OR if word is already running you can access an existing document
> using .Documents(indexno OR name)
>
> # how is different from VB? objects do not have default properties. Must
> be explicit. No set statement. Functions and subs must have the ()
> appended.
>
> Hope that's enough to get you started.
>
> Since your goal seems to be text processing I'd think you'd want to read
> the entire document text into a Python string, then manipulate that.
> text = document.Range().Text will get all the text of the document body.
> (excludes header/footer). Note that paragraph breaks are \r, and that
> table cells end in \r\x07.
>
> --
> Bob Gailer
> 510-978-4454
>
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>



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