/usr/lib/python2.7/dist-packages/rosdep2/platforms/pip.py is in python-rosdep 0.11.4-2.
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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 | #!/usr/bin/env python
# Copyright (c) 2009, Willow Garage, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of the Willow Garage, Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# Author Tully Foote/tfoote@willowgarage.com
from __future__ import print_function
import subprocess
from ..core import InstallFailed
from ..installers import PackageManagerInstaller
from ..shell_utils import read_stdout
# pip package manager key
PIP_INSTALLER = 'pip'
def register_installers(context):
context.set_installer(PIP_INSTALLER, PipInstaller())
def is_pip_installed():
try:
subprocess.Popen(['pip'], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()
return True
except OSError:
return False
def pip_detect(pkgs, exec_fn=None):
"""
Given a list of package, return the list of installed packages.
:param exec_fn: function to execute Popen and read stdout (for testing)
"""
fallback_to_pip_show = False
if exec_fn is None:
exec_fn = read_stdout
fallback_to_pip_show = True
pkg_list = exec_fn(['pip', 'freeze']).split('\n')
ret_list = []
for pkg in pkg_list:
pkg_row = pkg.split("==")
if pkg_row[0] in pkgs:
ret_list.append(pkg_row[0])
# Try to detect with the return code of `pip show`.
# This can show the existance of things like `argparse` which
# otherwise do not show up.
# See:
# https://github.com/pypa/pip/issues/1570#issuecomment-71111030
if fallback_to_pip_show:
for pkg in [p for p in pkgs if p not in ret_list]:
# does not see retcode but stdout for old pip to check if installed
proc = subprocess.Popen(
['pip', 'show', pkg],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT
)
output, _ = proc.communicate()
output = output.strip()
if proc.returncode == 0 and output:
# `pip show` detected it, add it to the list.
ret_list.append(pkg)
return ret_list
class PipInstaller(PackageManagerInstaller):
"""
:class:`Installer` support for pip.
"""
def __init__(self):
super(PipInstaller, self).__init__(pip_detect, supports_depends=True)
def get_install_command(self, resolved, interactive=True, reinstall=False, quiet=False):
if not is_pip_installed():
raise InstallFailed((PIP_INSTALLER, "pip is not installed"))
packages = self.get_packages_to_install(resolved, reinstall=reinstall)
if not packages:
return []
else:
return [self.elevate_priv(['pip', 'install', '-U', p]) for p in packages]
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