In the case where site.USER_SITE attribute is NOT present:
[Fri Aug 30 00:55:05.338223 2019] [wsgi:error] [pid 2447:tid 140424335841024
] NAME mod_wsgi
[Fri Aug 30 00:55:05.338242 2019] [wsgi:error] [pid 2447:tid 140424335841024
] FILE /home/stevefielding_ca/.virtualenvs/cv/lib/python3.5/site-packages/
mod_wsgi/__init__.py
In the case where site.USER_SITE attribute is present:
[Fri Aug 30 00:59:12.435555 2019] [wsgi:error] [pid 2748:tid 140613069281024
] NAME site
[Fri Aug 30 00:59:12.437237 2019] [wsgi:error] [pid 2748:tid 140613069281024
] FILE /home/stevefielding_ca/.virtualenvs/cv/lib/python3.5/site.py
On Thursday, August 29, 2019 at 4:06:48 PM UTC-7, Graham Dumpleton wrote:
>
> In your script where you are printing out value of site.USER_SITE, what do
> you get if you add:
>
> import site
> print('NAME', site.__name__)
> print('FILE', site.__file__)
>
> Graham
>
> On 30 Aug 2019, at 8:33 am, Steve Fielding <[email protected]
> <javascript:>> wrote:
>
> Thanks for the feedback Graham.
> Confused as to why the 'USER_SITE' attribute is present if I do not try to
> set python-path. If I just remove the python-path setting from the config
> file, this is what site.USER_SITE is set to:
> site.USER_SITE = /var/www/.local/lib/python3.5/site-packages
>
>
> Tensorflow is checking the site directories in the __init__.py file, and
> the error occurs as soon as I import Tensorflow.
> From the code shown below it seems that tensorflow is inspecting
> site.USER_SITE, and other site paths to determine if their locations are a
> prefix for the location of the __init__.py file. If any prefix matches,
> then this is used as an idication that tensorflow is running from a pip
> package, and then the appropriate modules are loaded.
>
> # Get sitepackages directories for the python installation.
> _site_packages_dirs = []
> _site_packages_dirs += [_site.USER_SITE]
> _site_packages_dirs += [_p for _p in _sys.path if 'site-packages' in _p]
> if 'getsitepackages' in dir(_site):
> _site_packages_dirs += _site.getsitepackages()
>
> if 'sysconfig' in dir(_distutils):
> _site_packages_dirs += [_distutils.sysconfig.get_python_lib()]
>
> _site_packages_dirs = list(set(_site_packages_dirs))
>
> # Find the location of this exact file.
> _current_file_location = _inspect.getfile(_inspect.currentframe())
>
> def _running_from_pip_package():
> return any(
> _current_file_location.startswith(dir_) for dir_ in
> _site_packages_dirs)
>
> if _running_from_pip_package():
> for s in _site_packages_dirs:
> # TODO(gunan): Add sanity checks to loaded modules here.
> plugin_dir = _os.path.join(s, 'tensorflow-plugins')
> if _fi.file_exists(plugin_dir):
> _ll.load_library(plugin_dir)
>
>
>
>
> On Wednesday, August 28, 2019 at 2:50:19 PM UTC-7, Graham Dumpleton wrote:
>>
>> The per user site-packages directory under $HOME is not used if you are
>> using a Python virtual environment. You should not be installing packages
>> using 'pip install --user' if using a virtual environment, they should be
>> installed into the virtual environment.
>>
>> Further, under Apache the code doesn't even run as your user, but the
>> Apache user, and wouldn't even be the same $HOME directory anyway.
>>
>> If the tensorflow package is relying on the per user site packages
>> directory always being used and the site.USER_SITE variable being present,
>> it is arguably broken.
>>
>> Why is tensorflow expecting site.USER_SITE to exist and what is it using
>> the directory for?
>>
>> On 29 Aug 2019, at 7:26 am, Steve Fielding <[email protected]> wrote:
>>
>> The actual value of python-path does not seem to matter. I show it set to
>> the tensorflow research directory because, it is my ultimate target, and
>> that code base needs to access site.USER_SITE
>>
>> config file:
>> <VirtualHost *:80>
>> ServerName checkwsgi.com
>> WSGIDaemonProcess checkwsgi.com
>> home=/home/stevefielding_ca/github/REST-tutorial
>> python-home=/home/stevefielding_ca/.virtualenvs/cv/bin/python
>> python-path=/home/stevefielding_c
>> a/github/models/research:/home/stevefielding_ca/github/models/research/slim
>> WSGIProcessGroup checkwsgi.com
>> WSGIScriptAlias /
>> /home/stevefielding_ca/github/REST-tutorial/checkInstall.py
>> <Directory /home/stevefielding_ca/github/REST-tutorial/>
>> Require all granted
>> </Directory>
>> </VirtualHost>
>>
>>
>> This is my script:
>> import sys
>> import site
>> def application(environ, start_response):
>> status = '200 OK'
>> output = ''
>> output += 'sys.version = {}\n'.format( repr(sys.version))
>> output += 'sys.prefix = {}\n'.format(repr(sys.prefix))
>> output += 'sys.path = {}\n'.format(repr(sys.path))
>> output += 'site.USER_SITE = {}\n'.format(site.USER_SITE)
>> response_headers = [('Content-type', 'text/plain'),
>> ('Content-Length', str(len(output)))] start_response(status,
>> response_headers)
>> print(output)
>> output = bytes(output,'utf-8')
>> return output
>>
>>
>>
>> I get the following error when I try to access my script:
>> [Wed Aug 28 20:53:06.010105 2019] [wsgi:error] [pid 9148:tid
>> 139859258083072] [remote 127.0.0.1:39307] output += 'site.USER_SITE
>> = {}\\n'.format(site.USER_SITE)
>> [Wed Aug 28 20:53:06.010121 2019] [wsgi:error] [pid 9148:tid
>> 139859258083072] [remote 127.0.0.1:39307] AttributeError: module 'apache'
>> has no attribute 'USER_SITE'
>>
>> If I remove the python-path from my wsgi conf file, then everything works
>> fine.
>>
>>
>>
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>>
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