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To: python-list@python.org
From: Kev Dwyer <kevin.p.dwyer@gmail.com>
Subject: Re: GAE environment differences
Date: Sat, 02 May 2015 10:14 +0100
References: <55435578.50003@chamonix.reportlab.co.uk> <CAPTjJmqUeu7AXm6MAiBPwabFv+GRgFOV7B1BUpeLLO7GhiXRvw@mail.gmail.com> <554379D3.1080202@chamonix.reportlab.co.uk>
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Xref: csiph.com comp.lang.python:89750

Robin Becker wrote:

> On 01/05/2015 13:15, Chris Angelico wrote:
>> On Fri, May 1, 2015 at 8:29 PM, Robin Becker <robin@reportlab.com> wrote:
>>
>>
>> Best thing to do is to ask the user to post the complete traceback.
>> You might need to use "import os.path" but normally I would expect
>> that not to be an issue.
> 
> 
> 
>> jamesbynd said:
>>
>> here's a traceback:
>>
>> ```
>> #!python
>>
>> ImportError: No module named pwd
>> (12 additional frame(s) were not displayed)
>> ...
>>   File
>>   "/base/data/home/apps/e~yt-maggi-2015-
eu/testing.383971015313322618/vendor/xhtml2pdf/context.py",
>>   line 5, in <module>
>>     from reportlab.lib.styles import ParagraphStyle
>>   File
>>   "/base/data/home/apps/e~yt-maggi-2015-
eu/testing.383971015313322618/vendor/reportlab/lib/styles.py",
>>   line 28, in <module>
>>     from reportlab.rl_config import canvas_basefontname as _baseFontName,
>>     baseUnderlineProportion as _baseUnderlineProportion
>>   File
>>   "/base/data/home/apps/e~yt-maggi-2015-
eu/testing.383971015313322618/vendor/reportlab/rl_config.py",
>>   line 131, in <mod
>>  ule>
>>     _startUp()
>>   File
>>   "/base/data/home/apps/e~yt-maggi-2015-
eu/testing.383971015313322618/vendor/reportlab/rl_config.py",
>>   line 99, in _startUp
>>     d = os.path.expanduser(d)   #appengine fails with KeyError
>>   File "python2.7/posixpath.py", line 268, in expanduser
>>     import pwd
>> ```
> the user suggests that even though claims are made that you can use a
> filesystem, but stuff like pwd is missing. Apparently the user module has
> no meaning, but there is a users module? I guess I'll need to keep
> patching reportlab when GAE users find these glitches.

For what it's worth, we use reportlab on GAE to generate a simple pdf
and the above error is the only one that I've encountered.  For us it was 
enough to trap the ImportError.

Thanks for all your work on reportlab,

Kev