[tor-bugs] #11116 [Tor bundles/installation]: windows/gitian-pluggable-transports.yml downloads argparse

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#11116: windows/gitian-pluggable-transports.yml downloads argparse
--------------------------------------+-----------------------
 Reporter:  dcf                       |          Owner:  erinn
     Type:  defect                    |         Status:  new
 Priority:  normal                    |      Milestone:
Component:  Tor bundles/installation  |        Version:
 Keywords:  tbb-3.5                   |  Actual Points:
Parent ID:                            |         Points:
--------------------------------------+-----------------------
 coderman on IRC noticed that the windows obfsproxy build downloads
 argparse (during "build", not "prep"):
 {{{
 Processing dependencies for obfsproxy==unknown
 Searching for argparse
 Reading https://pypi.python.org/simple/argparse/
 Application tried to create a window, but no driver could be loaded.
 Make sure that your X server is running and that $DISPLAY is set
 correctly.
 err:systray:initialize_systray Could not create tray window
 fixme:toolhelp:CreateToolhelp32Snapshot Unimplemented: heap list snapshot
 fixme:toolhelp:Heap32ListFirst : stub
 Best match: argparse 1.2.1
 Downloading
 http://argparse.googlecode.com/files/argparse-1.2.1.tar.gz#md5=2fbef8cb61e506c706957ab6e135840c
 Processing argparse-1.2.1.tar.gz
 }}}
 Now, the fact that setuptools may try to download dependencies is #10847,
 which we should try to inhibit by setting the http_proxy and https_proxy
 environment variables.

 But apart from that, why did the descriptor start downloading argparse,
 when it didn't use to happen, and when the windows build uses Python 2.7,
 which includes argparse as standard? It started being downloaded in
 [https://gitweb.torproject.org/builders/tor-browser-
 bundle.git/commitdiff/8f8a4cd59bfe07e5b8c12e3990627544d9caeab4#patch6
 8f8a4cd59b], which started calling the obfsproxy "install" target where
 only "py2exe" was called before.
 {{{
    LD_PRELOAD= $INSTPYTHON setup_py2exe.py py2exe
 +  LD_PRELOAD= $INSTPYTHON setup.py install
 }}}
 It seems "py2exe" is able to find the standard library argparse
 dependency, but "install" is not. Hence setuptools attempts to download
 it.

 I attach a candidate patch that builds argparse in the windows descriptor,
 just like in the mac and linux descriptors, even though it wouldn't be
 necessary if "install" could find the standard library version. This patch
 works, but is not so elegant and there might be a better way.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/11116>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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