Add all /gnu/store/ prefixes found in PYTHONPATH to the prefixes where
site-packages (and .pth files) are searched.

*** Python-2.7.11/Lib/site.py.orig	2016-10-17 23:27:23.746149690 +0200
--- Python-2.7.11/Lib/site.py	2016-10-17 23:44:51.930871644 +0200
***************
*** 65,70 ****
--- 65,82 ----
  
  # Prefixes for site-packages; add additional prefixes like /usr/local here
  PREFIXES = [sys.prefix, sys.exec_prefix]
+ # Guix: Add all /gnu/store-paths in PYTHONPATH--these are all
+ # "prefixes".  This is required to search .pth files in all python
+ # packages contained in /gnu/store which is required to make
+ # .pth-defined namespace packages work.
+ # This is necessary if the packages are not merged into a single
+ # `site-packages` directory (like when using `guix environment`) but
+ # listed in PYTHONPATH (like when running `guix build`).
+ for p in sys.path:
+     if p.startswith('/gnu/store/'):
+         PREFIXES.append(p[:p.find('/', 44)]) # find first pathsep after hash
+ del p
+ 
  # Enable per user site-packages directory
  # set it to False to disable the feature or True to force the feature
  ENABLE_USER_SITE = None
3bf9'>refs</a><a class='active' href='/guix/log/gnu/packages/telephony.scm'>log</a><a href='/guix/tree/gnu/packages/telephony.scm?id=d2e0a4c54a3fadaa45b0558c3e2fdf9a26c63bf9'>tree</a><a href='/guix/commit/gnu/packages/telephony.scm?id=d2e0a4c54a3fadaa45b0558c3e2fdf9a26c63bf9'>commit</a><a href='/guix/diff/gnu/packages/telephony.scm?id=d2e0a4c54a3fadaa45b0558c3e2fdf9a26c63bf9'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/telephony.scm'>
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<div class='path'>path: <a href='/guix/log/?id=d2e0a4c54a3fadaa45b0558c3e2fdf9a26c63bf9'>root</a>/<a href='/guix/log/gnu?id=d2e0a4c54a3fadaa45b0558c3e2fdf9a26c63bf9'>gnu</a>/<a href='/guix/log/gnu/packages?id=d2e0a4c54a3fadaa45b0558c3e2fdf9a26c63bf9'>packages</a>/<a href='/guix/log/gnu/packages/telephony.scm?id=d2e0a4c54a3fadaa45b0558c3e2fdf9a26c63bf9'>telephony.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/telephony.scm?id=d2e0a4c54a3fadaa45b0558c3e2fdf9a26c63bf9&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-05-03 12:36:08 +0200'>2023-05-03</span></td><td><a href='/guix/commit/gnu/packages/telephony.scm?id=0cbbc1996d366ee8408898ae255085e745f3d292'>gnu: Add sipp.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/telephony.scm (sipp): New variable.

Signed-off-by: Nicolas Goaziou &lt;mail@nicolasgoaziou.fr&gt;
</span></span></td><td>Ivan Gankevich</td></tr>
<tr><td><span title='2023-04-28 08:56:48 +0800'>2023-04-28</span></td><td><a href='/guix/commit/gnu/packages/telephony.scm?id=e42117bfc9afd7650f14efd2b2def68fcbfd4e36'>gnu: mumble: Update to 1.4.287, fix build.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/telephony.scm (mumble): Update to 1.4.287.
[inputs]: Use openssl-1.1.
</span></span></td><td>宋文武</td></tr>
<tr><td><span title='2023-04-14 17:15:08 -0400'>2023-04-14</span></td><td><a href='/guix/commit/gnu/packages/telephony.scm?id=3bacd3c76a58ebe70f98be654f09cbd4166093ab'>Merge branch 'master' into core-updates.</a><span class='msg-avail'>...<span class='msg-tooltip'>Conflicts:
	gnu/local.mk
	gnu/packages/build-tools.scm
	gnu/packages/certs.scm
	gnu/packages/check.scm
	gnu/packages/compression.scm
	gnu/packages/cups.scm
	gnu/packages/fontutils.scm
	gnu/packages/gnuzilla.scm
	gnu/packages/guile.scm
	gnu/packages/ibus.scm
	gnu/packages/image-processing.scm
	gnu/packages/linux.scm
	gnu/packages/music.scm
	gnu/packages/nss.scm
	gnu/packages/pdf.scm
	gnu/packages/python-xyz.scm
	gnu/packages/qt.scm
	gnu/packages/ruby.scm
	gnu/packages/shells.scm
	gnu/packages/tex.scm
	gnu/packages/video.scm
	gnu/packages/vulkan.scm
	gnu/packages/web.scm
	gnu/packages/webkit.scm
	gnu/packages/wm.scm
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2023-03-31 13:24:48 +0200'>2023-03-31</span></td><td><a href='/guix/commit/gnu/packages/telephony.scm?id=651505807e7847b01bf6e53af8866958294d417c'>gnu: ucommon: Explicitly select C++ version.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/telephony.scm (ucommon)[arguments]: Set -std=c++14.
</span></span></td><td>Lars-Dominik Braun</td></tr>
<tr><td><span title='2023-03-28 20:16:06 -0400'>2023-03-28</span></td><td><a href='/guix/commit/gnu/packages/telephony.scm?id=846c615e15b6848c1e4c7d18146d6b40d417cf9f'>gnu: pjproject: Update to 2.13.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/telephony.scm (pjproject): Update to 2.13.
[arguments]: Disable the resolver-related tests.
</span></span></td><td>Maxim Cournoyer</td></tr>