diskimage-builder/elements/pypi/pre-install.d/00-configure-pypi-mirror

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#!/usr/bin/env python
import os.path
def main():
home = os.path.expanduser("~")
backup_configs(home)
indices = []
if os.environ.get('PYPI_MIRROR_URL'):
candidates = [k for k in os.environ if k.startswith('PYPI_MIRROR_URL')]
indices = list(map(os.environ.get, sorted(candidates)))
else:
indices = ['file:///tmp/pypi']
easy_index = indices[-1]
use_pypi_python_org = True
if os.environ.get('DIB_OFFLINE'):
use_pypi_python_org = False
if os.environ.get('DIB_NO_PYPI_PIP'):
use_pypi_python_org = False
if use_pypi_python_org:
indices.append('https://pypi.python.org/simple')
with file(home + '/.pip/pip.conf', 'wt') as output:
output.write('[global]\n')
output.write('log = %s/pip.log\n' % (home,))
output.write('index-url = %s\n' % (indices[0],))
for index in indices[1:]:
output.write('extra-index-url = %s\n' % (index,))
with file(home + '/.pydistutils.cfg', 'wt') as output:
output.write('[easy_install]\n')
output.write('index_url = %s\n' % (easy_index,))
def backup_configs(home):
pip_dir = home + '/.pip'
if not os.path.exists(pip_dir):
os.mkdir(pip_dir)
if os.path.exists(pip_dir + '/pip.conf'):
os.rename(pip_dir + '/pip.conf', pip_dir + '/pip.conf.orig')
if os.path.exists(home + '/.pydistutils.cfg'):
os.rename(home + '/.pydistutils.cfg', home + '/.pydistutils.cfg.orig')
if __name__ == '__main__':
main()