[Ironpython-users] IronPython, Daily Digest 11/18/2013

Tue Nov 19 09:19:57 CET 2013

Hi ironpython,

Here's your Daily Digest of new issues for project "IronPython".

In today's digest:ISSUES

1. [New comment] Mono 3.2.X build errors? Is Mono still supported?
2. [New comment] Mono 3.2.X build errors? Is Mono still supported?
3. [New issue] open() should not automatically decode files starting with BOM
4. [New comment] open() should not automatically decode files starting with BOM
5. [New issue] IPython does not work on IronPython 2.7.4

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ISSUES

1. [New comment] Mono 3.2.X build errors? Is Mono still supported?
http://ironpython.codeplex.com/workitem/34654
User jdhardy has commented on the issue:

"It is supposed to be supported, although I haven't tested it on a recent version of Mono (apparently I'm still on 2.10). Part of the problem is the split between gmcs and dmcs, which looks to be the issue here.Which OS are you using?"-----------------

2. [New comment] Mono 3.2.X build errors? Is Mono still supported?
http://ironpython.codeplex.com/workitem/34654
User Sushihangover has commented on the issue:

"__LOL__, I would have to stop coding in Mono/.Net if I had to go back to 2.X… ;-) I am using the most recent stable release of Mono and stable/beta releases of MonoDevelop (and Xamian) IDE. Thanks for looking into this(!) and let me know if you need anything else (or if I can assist). Operating System ``` Mac OS X 10.8.5 Darwin SushiHangover-2.local 12.5.0 Darwin Kernel Version 12.5.0 Sun Sep 29 13:33:47 PDT 2013 root:xnu-2050.48.12~1/RELEASE_X86_64 x86_64 ```Runtime: ``` Mono 3.2.4 ((no/294f999) ```Xbuild: ``` XBuild Engine Version 3.2.4.0 Mono, Version 3.2.4.0 Copyright (C) Marek Sieradzki 2005-2008, Novell 2008-2011. ``` Apple Developer Tools ``` Xcode 5.0.2 (3335.32) Build 5A3005 ``` "-----------------

3. [New issue] open() should not automatically decode files starting with BOM
http://ironpython.codeplex.com/workitem/34655
User pekkaklarck has proposed the issue:

"If a file starting with UTF-8 BOM is open():ed, it is automatically decoded and BOM removed. This is incorrect and causes problems with code that decodes the content after reading it.

This behavior can be tested with the attached script. It does the following:
1) Write letter 'ä' (as UTF-8) into a file first with BOM prefixed and then without it.
2) Open and read the written files and print the repr of the bytes received.

With CPython and Jython the output is this:

'\xef\xbb\xbf\xc3\xa4'
'\xc3\xa4'

When run with IronPython (2.7.3) you get this:

u'\xe4'
u'\xc3\xa4'

The second output is same in all cases (except the u prefix) but the first one is different. IronPython has removed the BOM (\xef\xbb\xbf) and decoded \xc3\xa4 to \xe4."-----------------

4. [New comment] open() should not automatically decode files starting with BOM
http://ironpython.codeplex.com/workitem/34655
User pekkaklarck has commented on the issue:

"Turns out this only occur if you open the file in the text mode. In the binary mode there is no decoding and BOM is not removed either."-----------------

5. [New issue] IPython does not work on IronPython 2.7.4
http://ironpython.codeplex.com/workitem/34657
User ksachdeva has proposed the issue:

"Hi,

The release notes say that majority of the fixes in 2.7.4 release were to make IPython work however I am not able to make it work. Here is my environment :

Win-7 64-bit
Clean install of IronPython 2.7.4 (i.e. not other library etc installed)
Downloaded IPython 1.1.0 source
ipy setup.py install

Above command is successful (I had tried earlier to get it using easy_install but does not work)

Issue following command -

ipy Scripts\ipython

Fails with error that can not import module "resource" from pexepct. 

Searched on pexpect and learnt that it is meant only for unix style operating systems. Found a thread

https://github.com/ipython/ipython/wiki/Frequently-asked-questions#wiki-id9

where it is mentioned to use a patched version of ipython but the link is dead.

Could somebody please guide.

Regards & thanks
Kapil"
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