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]
> <javascript:>> 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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