def finalize_options(self):
_Distribution.finalize_options(self)
if self.features:
self._set_global_opts_from_features()
for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
value = getattr(self, ep.name, None)
if value is not None:
ep.require(installer=self.fetch_build_egg)
ep.load()(self, ep.name, value)
if getattr(self, 'convert_2to3_doctests', None):
# XXX may convert to set here when we can rely on set being builtin
self.convert_2to3_doctests = [
os.path.abspath(p)
for p in self.convert_2to3_doctests
]
else:
self.convert_2to3_doctests = []
python类require()的实例源码
def finalize_options(self):
_Distribution.finalize_options(self)
if self.features:
self._set_global_opts_from_features()
for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
value = getattr(self, ep.name, None)
if value is not None:
ep.require(installer=self.fetch_build_egg)
ep.load()(self, ep.name, value)
if getattr(self, 'convert_2to3_doctests', None):
# XXX may convert to set here when we can rely on set being builtin
self.convert_2to3_doctests = [
os.path.abspath(p)
for p in self.convert_2to3_doctests
]
else:
self.convert_2to3_doctests = []
def layout(self):
"""
"""
main_layout = QW.QVBoxLayout(self)
form_layout = QW.QFormLayout()
version = pkg_resources.require("pytc-gui")[0].version
name_label = QW.QLabel("pytc: GUI")
name_font = name_label.font()
name_font.setPointSize(20)
name_label.setFont(name_font)
name_label.setAlignment(Qt.AlignCenter)
version_label = QW.QLabel("Version " + version)
version_font = version_label.font()
version_font.setPointSize(14)
version_label.setFont(version_font)
version_label.setAlignment(Qt.AlignCenter)
author_info = QW.QLabel("Hiranmayi Duvvuri, Mike Harms")
author_font = author_info.font()
author_font.setPointSize(10)
author_info.setFont(author_font)
OK_button = QW.QPushButton("OK", self)
OK_button.clicked.connect(self.close)
main_layout.addWidget(name_label)
main_layout.addWidget(version_label)
main_layout.addWidget(author_info)
main_layout.addWidget(OK_button)
self.setWindowTitle("About")
def finalize_options(self):
_Distribution.finalize_options(self)
if self.features:
self._set_global_opts_from_features()
for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
value = getattr(self, ep.name, None)
if value is not None:
ep.require(installer=self.fetch_build_egg)
ep.load()(self, ep.name, value)
if getattr(self, 'convert_2to3_doctests', None):
# XXX may convert to set here when we can rely on set being builtin
self.convert_2to3_doctests = [
os.path.abspath(p)
for p in self.convert_2to3_doctests
]
else:
self.convert_2to3_doctests = []
def finalize_options(self):
_Distribution.finalize_options(self)
if self.features:
self._set_global_opts_from_features()
for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
value = getattr(self, ep.name, None)
if value is not None:
ep.require(installer=self.fetch_build_egg)
ep.load()(self, ep.name, value)
if getattr(self, 'convert_2to3_doctests', None):
# XXX may convert to set here when we can rely on set being builtin
self.convert_2to3_doctests = [
os.path.abspath(p)
for p in self.convert_2to3_doctests
]
else:
self.convert_2to3_doctests = []
def add_project_to_sys_path(self):
from pkg_resources import normalize_path, add_activation_listener
from pkg_resources import working_set, require
self.reinitialize_command('egg_info')
self.run_command('egg_info')
self.reinitialize_command('build_ext', inplace=1)
self.run_command('build_ext')
self.__old_path = sys.path[:]
self.__old_modules = sys.modules.copy()
if 'PyObjCTools' in sys.modules:
del sys.modules['PyObjCTools']
ei_cmd = self.get_finalized_command('egg_info')
sys.path.insert(0, normalize_path(ei_cmd.egg_base))
sys.path.insert(1, os.path.dirname(__file__))
add_activation_listener(lambda dist: dist.activate())
working_set.__init__()
require('%s==%s'%(ei_cmd.egg_name, ei_cmd.egg_version))
def parse_args_or_exit(argv=None):
"""
Parse command line options
"""
parser = argparse.ArgumentParser(
description='CLI util to dump an xml blob of the xapi database to json')
parser.add_argument('--version', action='version',
version="%%(prog)s %s" %
pkg_resources.require("xapitodict")[0].version)
parser.add_argument(
"-v", "--print-db-version", dest="print_db", action='store_true',
help="Include the version metadata of the extracted xapi db "
"in the '_version' key")
parser.add_argument("xapi_db", metavar="XAPIDB",
help="Path to the xml dump of the xapi database")
parser.add_argument("-o", "--output", metavar="DEST",
dest="dest", default=None,
help="Path to the output json file. "
"Print to stdout when missing")
return parser.parse_args(argv)
def finalize_options(self):
_Distribution.finalize_options(self)
if self.features:
self._set_global_opts_from_features()
for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
value = getattr(self, ep.name, None)
if value is not None:
ep.require(installer=self.fetch_build_egg)
ep.load()(self, ep.name, value)
if getattr(self, 'convert_2to3_doctests', None):
# XXX may convert to set here when we can rely on set being builtin
self.convert_2to3_doctests = [
os.path.abspath(p)
for p in self.convert_2to3_doctests
]
else:
self.convert_2to3_doctests = []
def finalize_options(self):
_Distribution.finalize_options(self)
if self.features:
self._set_global_opts_from_features()
for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
value = getattr(self, ep.name, None)
if value is not None:
ep.require(installer=self.fetch_build_egg)
ep.load()(self, ep.name, value)
if getattr(self, 'convert_2to3_doctests', None):
# XXX may convert to set here when we can rely on set being builtin
self.convert_2to3_doctests = [
os.path.abspath(p)
for p in self.convert_2to3_doctests
]
else:
self.convert_2to3_doctests = []
def main():
version = pkg_resources.require('hls2dash')[0].version
parser = argparse.ArgumentParser(
description="Rewrap a MPEG2 TS segment to a fragmented MP4"
,formatter_class=argparse.RawTextHelpFormatter)
parser.add_argument('tsfile', metavar='TSFILE', help='Path to TS file. Can be a URI or local file.')
parser.add_argument('output', metavar='OUTPUT', help='Output file name')
parser.add_argument('--outdir', dest='outdir', default='.', help='Directory where the fragmented MP4 will be stored. Default is current directory')
parser.add_argument('--debug', dest='debug', action='store_true', default=False, help='Write debug info to stderr')
parser.add_argument('--version', action='version', version='%(prog)s ('+version+')')
args = parser.parse_args()
debug.doDebug = args.debug
ts = None
if re.match('^http', args.tsfile):
ts = TS.Remote(args.tsfile)
else:
ts = TS.Local(args.tsfile)
ts.remuxMP4(args.outdir, args.output)
def finalize_options(self):
_Distribution.finalize_options(self)
if self.features:
self._set_global_opts_from_features()
for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
value = getattr(self, ep.name, None)
if value is not None:
ep.require(installer=self.fetch_build_egg)
ep.load()(self, ep.name, value)
if getattr(self, 'convert_2to3_doctests', None):
# XXX may convert to set here when we can rely on set being builtin
self.convert_2to3_doctests = [
os.path.abspath(p)
for p in self.convert_2to3_doctests
]
else:
self.convert_2to3_doctests = []
def version(self):
# Look at the version from setup.py
try:
airflow_version = pkg_resources.require("apache-airflow")[0].version
except Exception as e:
airflow_version = None
logging.error(e)
# Get the Git repo and git hash
git_version = None
try:
with open(os.path.join(*[settings.AIRFLOW_HOME, 'airflow', 'git_version'])) as f:
git_version = f.readline()
except Exception as e:
logging.error(e)
# Render information
title = "Version Info"
return self.render('airflow/version.html',
title=title,
airflow_version=airflow_version,
git_version=git_version)
def finalize_options(self):
_Distribution.finalize_options(self)
if self.features:
self._set_global_opts_from_features()
for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
value = getattr(self, ep.name, None)
if value is not None:
ep.require(installer=self.fetch_build_egg)
ep.load()(self, ep.name, value)
if getattr(self, 'convert_2to3_doctests', None):
# XXX may convert to set here when we can rely on set being builtin
self.convert_2to3_doctests = [
os.path.abspath(p)
for p in self.convert_2to3_doctests
]
else:
self.convert_2to3_doctests = []
def test_get_version_setup(self):
def mock1(*args, **kwargs):
raise OSError
try:
backup1 = subprocess.check_output
except AttributeError:
backup1 = None
subprocess.check_output = mock1
def mock2(*args, **kwargs):
raise pkg_resources.DistributionNotFound
backup2 = pkg_resources.require
pkg_resources.require = mock2
try:
self.assertEquals("0.0.0-unversioned", _get_version_setup())
finally:
if backup1:
subprocess.check_output = backup1
pkg_resources.require = backup2
def finalize_options(self):
_Distribution.finalize_options(self)
if self.features:
self._set_global_opts_from_features()
for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
value = getattr(self, ep.name, None)
if value is not None:
ep.require(installer=self.fetch_build_egg)
ep.load()(self, ep.name, value)
if getattr(self, 'convert_2to3_doctests', None):
# XXX may convert to set here when we can rely on set being builtin
self.convert_2to3_doctests = [
os.path.abspath(p)
for p in self.convert_2to3_doctests
]
else:
self.convert_2to3_doctests = []
def finalize_options(self):
_Distribution.finalize_options(self)
if self.features:
self._set_global_opts_from_features()
for ep in pkg_resources.iter_entry_points('distutils.setup_keywords'):
value = getattr(self, ep.name, None)
if value is not None:
ep.require(installer=self.fetch_build_egg)
ep.load()(self, ep.name, value)
if getattr(self, 'convert_2to3_doctests', None):
# XXX may convert to set here when we can rely on set being builtin
self.convert_2to3_doctests = [
os.path.abspath(p)
for p in self.convert_2to3_doctests
]
else:
self.convert_2to3_doctests = []
def _require(options, file_config):
if not(options.require or
(file_config.has_section('require') and
file_config.items('require'))):
return
try:
import pkg_resources
except ImportError:
raise RuntimeError("setuptools is required for version requirements")
cmdline = []
for requirement in options.require:
pkg_resources.require(requirement)
cmdline.append(re.split('\s*(<!>=)', requirement, 1)[0])
if file_config.has_section('require'):
for label, requirement in file_config.items('require'):
if not label == db_label or label.startswith('%s.' % db_label):
continue
seen = [c for c in cmdline if requirement.startswith(c)]
if seen:
continue
pkg_resources.require(requirement)
def get_version():
"""
Utility to find the version of this application whatever the execution mode (cx_Freeze or normal)
:return:
"""
if getattr(sys, "frozen", False):
# this is cx_Freeze execution mode >> access our generated file
datadir = os.path.dirname(sys.executable)
path = os.path.join(datadir, version_file_cx_freeze)
with open(path, 'rt') as f:
return f.read()
else:
import pkg_resources # part of setuptools
from pkg_resources import DistributionNotFound
try:
return pkg_resources.require("envswitch")[0].version
except DistributionNotFound as e:
# this may happen if the module has not been even locally installed with "pip install ."
from setuptools_scm import get_version
return get_version()
def use_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
to_dir=os.curdir, download_delay=15):
to_dir = os.path.abspath(to_dir)
rep_modules = 'pkg_resources', 'setuptools'
imported = set(sys.modules).intersection(rep_modules)
try:
import pkg_resources
except ImportError:
return _do_download(version, download_base, to_dir, download_delay)
try:
pkg_resources.require("setuptools>=" + version)
return
except pkg_resources.DistributionNotFound:
return _do_download(version, download_base, to_dir, download_delay)
except pkg_resources.VersionConflict as VC_err:
if imported:
msg = textwrap.dedent("""
The required version of setuptools (>={version}) is not available,
and can't be installed while this script is running. Please
install a more recent version first, using
'easy_install -U setuptools'.
(Currently using {VC_err.args[0]!r})
""").format(VC_err=VC_err, version=version)
sys.stderr.write(msg)
sys.exit(2)
# otherwise, reload ok
del pkg_resources, sys.modules['pkg_resources']
return _do_download(version, download_base, to_dir, download_delay)
def get_command_class(self, command):
"""Pluggable version of get_command_class()"""
if command in self.cmdclass:
return self.cmdclass[command]
eps = pkg_resources.iter_entry_points('distutils.commands', command)
for ep in eps:
ep.require(installer=self.fetch_build_egg)
self.cmdclass[command] = cmdclass = ep.load()
return cmdclass
else:
return _Distribution.get_command_class(self, command)
def print_commands(self):
for ep in pkg_resources.iter_entry_points('distutils.commands'):
if ep.name not in self.cmdclass:
# don't require extras as the commands won't be invoked
cmdclass = ep.resolve()
self.cmdclass[ep.name] = cmdclass
return _Distribution.print_commands(self)
def get_command_list(self):
for ep in pkg_resources.iter_entry_points('distutils.commands'):
if ep.name not in self.cmdclass:
# don't require extras as the commands won't be invoked
cmdclass = ep.resolve()
self.cmdclass[ep.name] = cmdclass
return _Distribution.get_command_list(self)
def use_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
to_dir=os.curdir, download_delay=15):
to_dir = os.path.abspath(to_dir)
rep_modules = 'pkg_resources', 'setuptools'
imported = set(sys.modules).intersection(rep_modules)
try:
import pkg_resources
except ImportError:
return _do_download(version, download_base, to_dir, download_delay)
try:
pkg_resources.require("setuptools>=" + version)
return
except pkg_resources.DistributionNotFound:
return _do_download(version, download_base, to_dir, download_delay)
except pkg_resources.VersionConflict as VC_err:
if imported:
msg = textwrap.dedent("""
The required version of setuptools (>={version}) is not available,
and can't be installed while this script is running. Please
install a more recent version first, using
'easy_install -U setuptools'.
(Currently using {VC_err.args[0]!r})
""").format(VC_err=VC_err, version=version)
sys.stderr.write(msg)
sys.exit(2)
# otherwise, reload ok
del pkg_resources, sys.modules['pkg_resources']
return _do_download(version, download_base, to_dir, download_delay)
def use_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
to_dir=os.curdir, download_delay=15):
to_dir = os.path.abspath(to_dir)
rep_modules = 'pkg_resources', 'setuptools'
imported = set(sys.modules).intersection(rep_modules)
try:
import pkg_resources
except ImportError:
return _do_download(version, download_base, to_dir, download_delay)
try:
pkg_resources.require("setuptools>=" + version)
return
except pkg_resources.DistributionNotFound:
return _do_download(version, download_base, to_dir, download_delay)
except pkg_resources.VersionConflict as VC_err:
if imported:
msg = textwrap.dedent("""
The required version of setuptools (>={version}) is not available,
and can't be installed while this script is running. Please
install a more recent version first, using
'easy_install -U setuptools'.
(Currently using {VC_err.args[0]!r})
""").format(VC_err=VC_err, version=version)
sys.stderr.write(msg)
sys.exit(2)
# otherwise, reload ok
del pkg_resources, sys.modules['pkg_resources']
return _do_download(version, download_base, to_dir, download_delay)
def get_command_class(self, command):
"""Pluggable version of get_command_class()"""
if command in self.cmdclass:
return self.cmdclass[command]
eps = pkg_resources.iter_entry_points('distutils.commands', command)
for ep in eps:
ep.require(installer=self.fetch_build_egg)
self.cmdclass[command] = cmdclass = ep.load()
return cmdclass
else:
return _Distribution.get_command_class(self, command)
def print_commands(self):
for ep in pkg_resources.iter_entry_points('distutils.commands'):
if ep.name not in self.cmdclass:
# don't require extras as the commands won't be invoked
cmdclass = ep.resolve()
self.cmdclass[ep.name] = cmdclass
return _Distribution.print_commands(self)
def get_command_list(self):
for ep in pkg_resources.iter_entry_points('distutils.commands'):
if ep.name not in self.cmdclass:
# don't require extras as the commands won't be invoked
cmdclass = ep.resolve()
self.cmdclass[ep.name] = cmdclass
return _Distribution.get_command_list(self)
def use_setuptools(
version=DEFAULT_VERSION, download_base=DEFAULT_URL,
to_dir=DEFAULT_SAVE_DIR, download_delay=15):
"""
Ensure that a setuptools version is installed.
Return None. Raise SystemExit if the requested version
or later cannot be installed.
"""
to_dir = os.path.abspath(to_dir)
# prior to importing, capture the module state for
# representative modules.
rep_modules = 'pkg_resources', 'setuptools'
imported = set(sys.modules).intersection(rep_modules)
try:
import pkg_resources
pkg_resources.require("setuptools>=" + version)
# a suitable version is already installed
return
except ImportError:
# pkg_resources not available; setuptools is not installed; download
pass
except pkg_resources.DistributionNotFound:
# no version of setuptools was found; allow download
pass
except pkg_resources.VersionConflict as VC_err:
if imported:
_conflict_bail(VC_err, version)
# otherwise, unload pkg_resources to allow the downloaded version to
# take precedence.
del pkg_resources
_unload_pkg_resources()
return _do_download(version, download_base, to_dir, download_delay)
def use_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
to_dir=os.curdir, download_delay=15):
to_dir = os.path.abspath(to_dir)
rep_modules = 'pkg_resources', 'setuptools'
imported = set(sys.modules).intersection(rep_modules)
try:
import pkg_resources
except ImportError:
return _do_download(version, download_base, to_dir, download_delay)
try:
pkg_resources.require("setuptools>=" + version)
return
except pkg_resources.DistributionNotFound:
return _do_download(version, download_base, to_dir, download_delay)
except pkg_resources.VersionConflict as VC_err:
if imported:
msg = textwrap.dedent("""
The required version of setuptools (>={version}) is not available,
and can't be installed while this script is running. Please
install a more recent version first, using
'easy_install -U setuptools'.
(Currently using {VC_err.args[0]!r})
""").format(VC_err=VC_err, version=version)
sys.stderr.write(msg)
sys.exit(2)
# otherwise, reload ok
del pkg_resources, sys.modules['pkg_resources']
return _do_download(version, download_base, to_dir, download_delay)
def use_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
to_dir=os.curdir, download_delay=15):
to_dir = os.path.abspath(to_dir)
rep_modules = 'pkg_resources', 'setuptools'
imported = set(sys.modules).intersection(rep_modules)
try:
import pkg_resources
except ImportError:
return _do_download(version, download_base, to_dir, download_delay)
try:
pkg_resources.require("setuptools>=" + version)
return
except pkg_resources.DistributionNotFound:
return _do_download(version, download_base, to_dir, download_delay)
except pkg_resources.VersionConflict as VC_err:
if imported:
msg = textwrap.dedent("""
The required version of setuptools (>={version}) is not available,
and can't be installed while this script is running. Please
install a more recent version first, using
'easy_install -U setuptools'.
(Currently using {VC_err.args[0]!r})
""").format(VC_err=VC_err, version=version)
sys.stderr.write(msg)
sys.exit(2)
# otherwise, reload ok
del pkg_resources, sys.modules['pkg_resources']
return _do_download(version, download_base, to_dir, download_delay)
