565 lines
19 KiB
Python
565 lines
19 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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# Copyright 2012-2013 Hewlett-Packard Development Company, L.P.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Utilities with minimum-depends for use in setup.py
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"""
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from __future__ import unicode_literals
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import email
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import os
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import re
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import sys
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from distutils.command import install as du_install
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from distutils import log
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import pkg_resources
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from setuptools.command import easy_install
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from setuptools.command import egg_info
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from setuptools.command import install
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from setuptools.command import install_scripts
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from setuptools.command import sdist
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from pbr import extra_files
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from pbr import git
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from pbr import options
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import pbr.pbr_json
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REQUIREMENTS_FILES = ('requirements.txt', 'tools/pip-requires')
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TEST_REQUIREMENTS_FILES = ('test-requirements.txt', 'tools/test-requires')
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def get_requirements_files():
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files = os.environ.get("PBR_REQUIREMENTS_FILES")
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if files:
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return tuple(f.strip() for f in files.split(','))
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# Returns a list composed of:
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# - REQUIREMENTS_FILES with -py2 or -py3 in the name
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# (e.g. requirements-py3.txt)
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# - REQUIREMENTS_FILES
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return (list(map(('-py' + str(sys.version_info[0])).join,
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map(os.path.splitext, REQUIREMENTS_FILES)))
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+ list(REQUIREMENTS_FILES))
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def append_text_list(config, key, text_list):
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"""Append a \n separated list to possibly existing value."""
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new_value = []
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current_value = config.get(key, "")
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if current_value:
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new_value.append(current_value)
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new_value.extend(text_list)
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config[key] = '\n'.join(new_value)
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def _pip_install(links, requires, root=None, option_dict=dict()):
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if options.get_boolean_option(
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option_dict, 'skip_pip_install', 'SKIP_PIP_INSTALL'):
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return
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cmd = [sys.executable, '-m', 'pip.__init__', 'install']
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if root:
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cmd.append("--root=%s" % root)
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for link in links:
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cmd.append("-f")
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cmd.append(link)
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# NOTE(ociuhandu): popen on Windows does not accept unicode strings
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git._run_shell_command(
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cmd + requires,
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throw_on_error=True, buffer=False, env=dict(PIP_USE_WHEEL=b"true"))
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def _any_existing(file_list):
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return [f for f in file_list if os.path.exists(f)]
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# Get requirements from the first file that exists
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def get_reqs_from_files(requirements_files):
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for requirements_file in _any_existing(requirements_files):
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with open(requirements_file, 'r') as fil:
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return fil.read().split('\n')
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return []
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def parse_requirements(requirements_files=None):
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if requirements_files is None:
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requirements_files = get_requirements_files()
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def egg_fragment(match):
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# take a versioned egg fragment and return a
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# versioned package requirement e.g.
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# nova-1.2.3 becomes nova>=1.2.3
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return re.sub(r'([\w.]+)-([\w.-]+)',
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r'\1>=\2',
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match.group(1))
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requirements = []
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for line in get_reqs_from_files(requirements_files):
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# Ignore comments
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if (not line.strip()) or line.startswith('#'):
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continue
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# Handle nested requirements files such as:
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# -r other-requirements.txt
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if line.startswith('-r'):
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req_file = line.partition(' ')[2]
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requirements += parse_requirements([req_file])
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continue
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try:
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project_name = pkg_resources.Requirement.parse(line).project_name
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except ValueError:
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project_name = None
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# For the requirements list, we need to inject only the portion
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# after egg= so that distutils knows the package it's looking for
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# such as:
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# -e git://github.com/openstack/nova/master#egg=nova
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# -e git://github.com/openstack/nova/master#egg=nova-1.2.3
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if re.match(r'\s*-e\s+', line):
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line = re.sub(r'\s*-e\s+.*#egg=(.*)$', egg_fragment, line)
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# such as:
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# http://github.com/openstack/nova/zipball/master#egg=nova
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# http://github.com/openstack/nova/zipball/master#egg=nova-1.2.3
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elif re.match(r'\s*https?:', line):
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line = re.sub(r'\s*https?:.*#egg=(.*)$', egg_fragment, line)
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# -f lines are for index locations, and don't get used here
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elif re.match(r'\s*-f\s+', line):
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line = None
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reason = 'Index Location'
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if line is not None:
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requirements.append(line)
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else:
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log.info(
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'[pbr] Excluding %s: %s' % (project_name, reason))
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return requirements
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def parse_dependency_links(requirements_files=None):
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if requirements_files is None:
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requirements_files = get_requirements_files()
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dependency_links = []
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# dependency_links inject alternate locations to find packages listed
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# in requirements
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for line in get_reqs_from_files(requirements_files):
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# skip comments and blank lines
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if re.match(r'(\s*#)|(\s*$)', line):
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continue
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# lines with -e or -f need the whole line, minus the flag
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if re.match(r'\s*-[ef]\s+', line):
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dependency_links.append(re.sub(r'\s*-[ef]\s+', '', line))
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# lines that are only urls can go in unmolested
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elif re.match(r'\s*https?:', line):
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dependency_links.append(line)
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return dependency_links
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class LocalInstall(install.install):
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"""Runs python setup.py install in a sensible manner.
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Force a non-egg installed in the manner of
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single-version-externally-managed, which allows us to install manpages
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and config files.
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Because non-egg installs bypass the depend processing machinery, we
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need to do our own. Because easy_install is evil, just use pip to
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process our requirements files directly, which means we don't have to
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do crazy extra processing.
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Bypass installation if --single-version-externally-managed is given,
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so that behavior for packagers remains the same.
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"""
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command_name = 'install'
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def run(self):
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option_dict = self.distribution.get_option_dict('pbr')
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if (not self.single_version_externally_managed
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and self.distribution.install_requires):
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_pip_install(
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self.distribution.dependency_links,
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self.distribution.install_requires, self.root,
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option_dict=option_dict)
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return du_install.install.run(self)
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def _newer_requires_files(egg_info_dir):
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"""Check to see if any of the requires files are newer than egg-info."""
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for target, sources in (('requires.txt', get_requirements_files()),
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('test-requires.txt', TEST_REQUIREMENTS_FILES)):
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target_path = os.path.join(egg_info_dir, target)
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for src in _any_existing(sources):
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if (not os.path.exists(target_path) or
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os.path.getmtime(target_path)
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< os.path.getmtime(src)):
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return True
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return False
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def _copy_test_requires_to(egg_info_dir):
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"""Copy the requirements file to egg-info/test-requires.txt."""
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with open(os.path.join(egg_info_dir, 'test-requires.txt'), 'w') as dest:
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for source in _any_existing(TEST_REQUIREMENTS_FILES):
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dest.write(open(source, 'r').read().rstrip('\n') + '\n')
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class _PipInstallTestRequires(object):
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"""Mixin class to install test-requirements.txt before running tests."""
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def install_test_requirements(self):
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links = parse_dependency_links(TEST_REQUIREMENTS_FILES)
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if self.distribution.tests_require:
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option_dict = self.distribution.get_option_dict('pbr')
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_pip_install(
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links, self.distribution.tests_require,
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option_dict=option_dict)
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def pre_run(self):
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self.egg_name = pkg_resources.safe_name(self.distribution.get_name())
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self.egg_info = "%s.egg-info" % pkg_resources.to_filename(
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self.egg_name)
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if (not os.path.exists(self.egg_info) or
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_newer_requires_files(self.egg_info)):
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ei_cmd = self.get_finalized_command('egg_info')
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ei_cmd.run()
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self.install_test_requirements()
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_copy_test_requires_to(self.egg_info)
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try:
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from pbr import testr_command
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class TestrTest(testr_command.Testr, _PipInstallTestRequires):
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"""Make setup.py test do the right thing."""
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command_name = 'test'
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def run(self):
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self.pre_run()
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# Can't use super - base class old-style class
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testr_command.Testr.run(self)
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_have_testr = True
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except ImportError:
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_have_testr = False
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def have_testr():
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return _have_testr
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try:
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from nose import commands
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class NoseTest(commands.nosetests, _PipInstallTestRequires):
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"""Fallback test runner if testr is a no-go."""
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command_name = 'test'
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def run(self):
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self.pre_run()
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# Can't use super - base class old-style class
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commands.nosetests.run(self)
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_have_nose = True
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except ImportError:
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_have_nose = False
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def have_nose():
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return _have_nose
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_script_text = """# PBR Generated from %(group)r
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import sys
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from %(module_name)s import %(import_target)s
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if __name__ == "__main__":
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sys.exit(%(invoke_target)s())
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"""
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def override_get_script_args(
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dist, executable=os.path.normpath(sys.executable), is_wininst=False):
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"""Override entrypoints console_script."""
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header = easy_install.get_script_header("", executable, is_wininst)
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for group in 'console_scripts', 'gui_scripts':
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for name, ep in dist.get_entry_map(group).items():
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if not ep.attrs or len(ep.attrs) > 2:
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raise ValueError("Script targets must be of the form "
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"'func' or 'Class.class_method'.")
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script_text = _script_text % dict(
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group=group,
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module_name=ep.module_name,
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import_target=ep.attrs[0],
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invoke_target='.'.join(ep.attrs),
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)
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yield (name, header + script_text)
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class LocalInstallScripts(install_scripts.install_scripts):
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"""Intercepts console scripts entry_points."""
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command_name = 'install_scripts'
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def run(self):
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if os.name != 'nt':
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get_script_args = override_get_script_args
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else:
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get_script_args = easy_install.get_script_args
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import distutils.command.install_scripts
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self.run_command("egg_info")
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if self.distribution.scripts:
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# run first to set up self.outfiles
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distutils.command.install_scripts.install_scripts.run(self)
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else:
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self.outfiles = []
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if self.no_ep:
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# don't install entry point scripts into .egg file!
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return
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ei_cmd = self.get_finalized_command("egg_info")
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dist = pkg_resources.Distribution(
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ei_cmd.egg_base,
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pkg_resources.PathMetadata(ei_cmd.egg_base, ei_cmd.egg_info),
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ei_cmd.egg_name, ei_cmd.egg_version,
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)
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bs_cmd = self.get_finalized_command('build_scripts')
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executable = getattr(
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bs_cmd, 'executable', easy_install.sys_executable)
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is_wininst = getattr(
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self.get_finalized_command("bdist_wininst"), '_is_running', False
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)
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for args in get_script_args(dist, executable, is_wininst):
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self.write_script(*args)
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class LocalManifestMaker(egg_info.manifest_maker):
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"""Add any files that are in git and some standard sensible files."""
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def _add_pbr_defaults(self):
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for template_line in [
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'include AUTHORS',
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'include ChangeLog',
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'exclude .gitignore',
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'exclude .gitreview',
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'global-exclude *.pyc'
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]:
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self.filelist.process_template_line(template_line)
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def add_defaults(self):
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option_dict = self.distribution.get_option_dict('pbr')
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sdist.sdist.add_defaults(self)
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self.filelist.append(self.template)
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self.filelist.append(self.manifest)
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self.filelist.extend(extra_files.get_extra_files())
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should_skip = options.get_boolean_option(option_dict, 'skip_git_sdist',
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'SKIP_GIT_SDIST')
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if not should_skip:
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rcfiles = git._find_git_files()
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if rcfiles:
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self.filelist.extend(rcfiles)
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elif os.path.exists(self.manifest):
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self.read_manifest()
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ei_cmd = self.get_finalized_command('egg_info')
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self._add_pbr_defaults()
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self.filelist.include_pattern("*", prefix=ei_cmd.egg_info)
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class LocalEggInfo(egg_info.egg_info):
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"""Override the egg_info command to regenerate SOURCES.txt sensibly."""
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command_name = 'egg_info'
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def find_sources(self):
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"""Generate SOURCES.txt only if there isn't one already.
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If we are in an sdist command, then we always want to update
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SOURCES.txt. If we are not in an sdist command, then it doesn't
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matter one flip, and is actually destructive.
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"""
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manifest_filename = os.path.join(self.egg_info, "SOURCES.txt")
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if not os.path.exists(manifest_filename) or 'sdist' in sys.argv:
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log.info("[pbr] Processing SOURCES.txt")
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mm = LocalManifestMaker(self.distribution)
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mm.manifest = manifest_filename
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mm.run()
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self.filelist = mm.filelist
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else:
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log.info("[pbr] Reusing existing SOURCES.txt")
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self.filelist = egg_info.FileList()
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for entry in open(manifest_filename, 'r').read().split('\n'):
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self.filelist.append(entry)
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class LocalSDist(sdist.sdist):
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"""Builds the ChangeLog and Authors files from VC first."""
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command_name = 'sdist'
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def run(self):
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option_dict = self.distribution.get_option_dict('pbr')
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git.write_git_changelog(option_dict=option_dict)
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git.generate_authors(option_dict=option_dict)
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# sdist.sdist is an old style class, can't use super()
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sdist.sdist.run(self)
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try:
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from pbr import builddoc
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_have_sphinx = True
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# Import the symbols from their new home so the package API stays
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# compatible.
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LocalBuildDoc = builddoc.LocalBuildDoc
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LocalBuildLatex = builddoc.LocalBuildLatex
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except ImportError:
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_have_sphinx = False
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LocalBuildDoc = None
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LocalBuildLatex = None
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def have_sphinx():
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return _have_sphinx
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def _get_revno_and_last_tag(git_dir):
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"""Return the commit data about the most recent tag.
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We use git-describe to find this out, but if there are no
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tags then we fall back to counting commits since the beginning
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of time.
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"""
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raw_tag_info = git._get_raw_tag_info(git_dir)
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if raw_tag_info:
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return raw_tag_info
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# no tags found
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revlist = git._run_git_command(
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['rev-list', '--abbrev-commit', 'HEAD'], git_dir)
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return len(revlist.splitlines())
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def _get_version_from_git(pre_version):
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"""Return a version which is equal to the tag that's on the current
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revision if there is one, or tag plus number of additional revisions
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if the current revision has no tag.
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"""
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git_dir = git._run_git_functions()
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if git_dir:
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if pre_version:
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try:
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return git._run_git_command(
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['describe', '--exact-match'], git_dir,
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throw_on_error=True).replace('-', '.')
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except Exception:
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return "%s.dev%s" % (pre_version,
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_get_revno_and_last_tag(git_dir)[0])
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else:
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# git describe always is going to return one of three things
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# - a short-sha if there are no tags
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# - a tag, if there's one on the current revision
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# - a string of the form $last_tag-$revs_since_last_tag-g$short_sha
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raw_version = git._run_git_command(['describe', '--always'],
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git_dir)
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# First, if there are no -'s or .'s, then it's just a short sha.
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# Create a synthetic version for it.
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if '-' not in raw_version and '.' not in raw_version:
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return "0.0.0.post%s" % _get_revno_and_last_tag(git_dir)
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# Now, we want to strip the short-sha prefix
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stripped_version = raw_version.split('-g')[0]
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# Finally, if we convert - to .post, which will turn the remaining
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# - which separates the version from the revcount into a PEP440
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# post string
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return stripped_version.replace('-', '.post')
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# If we don't know the version, return an empty string so at least
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# the downstream users of the value always have the same type of
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# object to work with.
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try:
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return unicode()
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except NameError:
|
|
return ''
|
|
|
|
|
|
def _get_version_from_pkg_info(package_name):
|
|
"""Get the version from PKG-INFO file if we can."""
|
|
try:
|
|
pkg_info_file = open('PKG-INFO', 'r')
|
|
except (IOError, OSError):
|
|
return None
|
|
try:
|
|
pkg_info = email.message_from_file(pkg_info_file)
|
|
except email.MessageError:
|
|
return None
|
|
# Check to make sure we're in our own dir
|
|
if pkg_info.get('Name', None) != package_name:
|
|
return None
|
|
return pkg_info.get('Version', None)
|
|
|
|
|
|
def get_version(package_name, pre_version=None):
|
|
"""Get the version of the project. First, try getting it from PKG-INFO, if
|
|
it exists. If it does, that means we're in a distribution tarball or that
|
|
install has happened. Otherwise, if there is no PKG-INFO file, pull the
|
|
version from git.
|
|
|
|
We do not support setup.py version sanity in git archive tarballs, nor do
|
|
we support packagers directly sucking our git repo into theirs. We expect
|
|
that a source tarball be made from our git repo - or that if someone wants
|
|
to make a source tarball from a fork of our repo with additional tags in it
|
|
that they understand and desire the results of doing that.
|
|
"""
|
|
version = os.environ.get(
|
|
"PBR_VERSION",
|
|
os.environ.get("OSLO_PACKAGE_VERSION", None))
|
|
if version:
|
|
return version
|
|
version = _get_version_from_pkg_info(package_name)
|
|
if version:
|
|
return version
|
|
version = _get_version_from_git(pre_version)
|
|
# Handle http://bugs.python.org/issue11638
|
|
# version will either be an empty unicode string or a valid
|
|
# unicode version string, but either way it's unicode and needs to
|
|
# be encoded.
|
|
if sys.version_info[0] == 2:
|
|
version = version.encode('utf-8')
|
|
if version:
|
|
return version
|
|
raise Exception("Versioning for this project requires either an sdist"
|
|
" tarball, or access to an upstream git repository."
|
|
" Are you sure that git is installed?")
|
|
|
|
|
|
# This is added because pbr uses pbr to install itself. That means that
|
|
# any changes to the egg info writer entrypoints must be forward and
|
|
# backward compatible. This maintains the pbr.packaging.write_pbr_json
|
|
# path.
|
|
write_pbr_json = pbr.pbr_json.write_pbr_json
|