/usr/lib/python2.7/dist-packages/dh_virtualenv.py is in dh-virtualenv 0.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | # -*- coding: utf-8 -*-
# Copyright (c) 2013 Spotify AB
# This file is part of dh-virtualenv.
# dh-virtualenv is free software: you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 2 of the
# License, or (at your option) any later version.
# dh-virtualenv is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with dh-virtualenv. If not, see
# <http://www.gnu.org/licenses/>.
import os
import shutil
import subprocess
import tempfile
ROOT_ENV_KEY = 'DH_VIRTUALENV_INSTALL_ROOT'
DEFAULT_INSTALL_DIR = '/usr/share/python/'
class Deployment(object):
def __init__(self, package, extra_urls=None, preinstall=None,
pypi_url=None, setuptools=False, verbose=False):
self.package = package
self.install_root = os.environ.get(ROOT_ENV_KEY, DEFAULT_INSTALL_DIR)
root = self.install_root.lstrip('/')
self.debian_root = os.path.join('debian', package, root)
self.package_dir = os.path.join(self.debian_root, package)
self.bin_dir = os.path.join(self.package_dir, 'bin')
self.extra_urls = extra_urls if extra_urls is not None else []
self.preinstall = preinstall if preinstall is not None else []
self.pypi_url = pypi_url
self.log_file = tempfile.NamedTemporaryFile()
self.verbose = verbose
self.setuptools = setuptools
def clean(self):
shutil.rmtree(self.debian_root)
def create_virtualenv(self):
virtualenv = ['virtualenv', '--no-site-packages']
if self.setuptools:
virtualenv.append('--setuptools')
if self.verbose:
virtualenv.append('--verbose')
virtualenv.append(self.package_dir)
subprocess.check_call(virtualenv)
# We need to prefix the pip run with the location of python
# executable. Otherwise it would just blow up due to too long
# shebang-line.
self.pip_prefix = [
os.path.join(self.bin_dir, 'python'),
os.path.join(self.bin_dir, 'pip'),
]
if self.verbose:
self.pip_prefix.append('-v')
self.pip_prefix.append('install')
if self.pypi_url:
self.pip_prefix.append('--pypi-url={0}'.format(self.pypi_url))
self.pip_prefix.extend([
'--extra-index-url={0}'.format(url) for url in self.extra_urls
])
self.pip_prefix.append('--log={0}'.format(self.log_file.name))
def pip(self, *args):
return self.pip_prefix + list(args)
def install_dependencies(self):
# Install preinstall stage packages. This is handy if you need
# a custom package to install dependencies (think something
# along lines of setuptools), but that does not get installed
# by default virtualenv.
if self.preinstall:
subprocess.check_call(self.pip(*self.preinstall))
if os.path.exists('requirements.txt'):
subprocess.check_call(self.pip('-r', 'requirements.txt'))
def fix_shebangs(self):
"""Translate /usr/bin/python and /usr/bin/env python sheband
lines to point to our virtualenv python.
"""
grep_proc = subprocess.Popen(
['grep', '-l', '-r', '-e', r'^#!.*bin/\(env \)\?python',
self.bin_dir],
stdout=subprocess.PIPE
)
files, stderr = grep_proc.communicate()
files = files.strip()
if not files:
return
pythonpath = os.path.join(self.install_root, self.package, 'bin/python')
for f in files.split('\n'):
subprocess.check_call(
['sed', '-i', r's|^#!.*bin/\(env \)\?python|#!{0}|'.format(
pythonpath),
f])
def install_package(self):
temp = tempfile.NamedTemporaryFile()
subprocess.check_call([
os.path.join(self.bin_dir, 'python'),
'setup.py',
'install',
'--record', temp.name,
'--install-headers',
os.path.join(self.package_dir, 'include/site/python2.6'),
])
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