def get_install_paths(name):
"""
Return the (distutils) install paths for the named dist.
A dict with ('purelib', 'platlib', 'headers', 'scripts', 'data') keys.
"""
paths = {}
i = get_install_command(name)
for key in install.SCHEME_KEYS:
paths[key] = getattr(i, 'install_' + key)
# pip uses a similar path as an alternative to the system's (read-only)
# include directory:
if hasattr(sys, 'real_prefix'): # virtualenv
paths['headers'] = os.path.join(sys.prefix,
'include',
'site',
'python' + sys.version[:3],
name)
return paths
python类install()的实例源码
def get_install_command(name):
# late binding due to potential monkeypatching
d = dist.Distribution({'name':name})
i = install.install(d)
i.finalize_options()
return i
def initialize_options(self):
orig.install.initialize_options(self)
self.old_and_unmanageable = None
self.single_version_externally_managed = None
def finalize_options(self):
orig.install.finalize_options(self)
if self.root:
self.single_version_externally_managed = True
elif self.single_version_externally_managed:
if not self.root and not self.record:
raise DistutilsArgError(
"You must specify --record or --root when building system"
" packages"
)
def handle_extra_path(self):
if self.root or self.single_version_externally_managed:
# explicit backward-compatibility mode, allow extra_path to work
return orig.install.handle_extra_path(self)
# Ignore extra_path when installing an egg (or being run by another
# command without --root or --single-version-externally-managed
self.path_file = None
self.extra_dirs = ''
def do_egg_install(self):
easy_install = self.distribution.get_command_class('easy_install')
cmd = easy_install(
self.distribution, args="x", root=self.root, record=self.record,
)
cmd.ensure_finalized() # finalize before bdist_egg munges install cmd
cmd.always_copy_from = '.' # make sure local-dir eggs get installed
# pick up setup-dir .egg files only: no .egg-info
cmd.package_index.scan(glob.glob('*.egg'))
self.run_command('bdist_egg')
args = [self.distribution.get_command_obj('bdist_egg').egg_output]
if setuptools.bootstrap_install_from:
# Bootstrap self-installation of setuptools
args.insert(0, setuptools.bootstrap_install_from)
cmd.args = args
cmd.run()
setuptools.bootstrap_install_from = None
# XXX Python 3.1 doesn't see _nc if this is inside the class
def get_install_command(name):
# late binding due to potential monkeypatching
d = dist.Distribution({'name': name})
i = install.install(d)
i.finalize_options()
return i
def initialize_options(self):
orig.install.initialize_options(self)
self.old_and_unmanageable = None
self.single_version_externally_managed = None
def finalize_options(self):
orig.install.finalize_options(self)
if self.root:
self.single_version_externally_managed = True
elif self.single_version_externally_managed:
if not self.root and not self.record:
raise DistutilsArgError(
"You must specify --record or --root when building system"
" packages"
)
def handle_extra_path(self):
if self.root or self.single_version_externally_managed:
# explicit backward-compatibility mode, allow extra_path to work
return orig.install.handle_extra_path(self)
# Ignore extra_path when installing an egg (or being run by another
# command without --root or --single-version-externally-managed
self.path_file = None
self.extra_dirs = ''
def do_egg_install(self):
easy_install = self.distribution.get_command_class('easy_install')
cmd = easy_install(
self.distribution, args="x", root=self.root, record=self.record,
)
cmd.ensure_finalized() # finalize before bdist_egg munges install cmd
cmd.always_copy_from = '.' # make sure local-dir eggs get installed
# pick up setup-dir .egg files only: no .egg-info
cmd.package_index.scan(glob.glob('*.egg'))
self.run_command('bdist_egg')
args = [self.distribution.get_command_obj('bdist_egg').egg_output]
if setuptools.bootstrap_install_from:
# Bootstrap self-installation of setuptools
args.insert(0, setuptools.bootstrap_install_from)
cmd.args = args
cmd.run()
setuptools.bootstrap_install_from = None
# XXX Python 3.1 doesn't see _nc if this is inside the class
def run(self):
global path, version, initVersion, forcedVersion, installVersion
name = self.config_vars['dist_name']
print(name)
path = os.path.join(self.install_libbase, 'NeoAnalysis')
if os.path.exists(path):
raise Exception("It appears another version of %s is already "
"installed at %s; remove this before installing."
% (name, path))
print("Installing to %s" % path)
rval = install.install.run(self)
# If the version in __init__ is different from the automatically-generated
# version string, then we will update __init__ in the install directory
if initVersion == version:
return rval
try:
initfile = os.path.join(path, '__init__.py')
data = open(initfile, 'r').read()
open(initfile, 'w').write(re.sub(r"__version__ = .*", "__version__ = '%s'" % version, data))
installVersion = version
except:
sys.stderr.write("Warning: Error occurred while setting version string in build path. "
"Installation will use the original version string "
"%s instead.\n" % (initVersion)
)
if forcedVersion:
raise
installVersion = initVersion
sys.excepthook(*sys.exc_info())
return rval
def run(self):
global path, version, initVersion, forcedVersion, installVersion
name = self.config_vars['dist_name']
print(name)
path = os.path.join(self.install_libbase, 'NeoAnalysis')
if os.path.exists(path):
raise Exception("It appears another version of %s is already "
"installed at %s; remove this before installing."
% (name, path))
print("Installing to %s" % path)
rval = install.install.run(self)
# If the version in __init__ is different from the automatically-generated
# version string, then we will update __init__ in the install directory
if initVersion == version:
return rval
try:
initfile = os.path.join(path, '__init__.py')
data = open(initfile, 'r').read()
open(initfile, 'w').write(re.sub(r"__version__ = .*", "__version__ = '%s'" % version, data))
installVersion = version
except:
sys.stderr.write("Warning: Error occurred while setting version string in build path. "
"Installation will use the original version string "
"%s instead.\n" % (initVersion)
)
if forcedVersion:
raise
installVersion = initVersion
sys.excepthook(*sys.exc_info())
return rval
def distutils_scheme(dist_name, user=False, home=None, root=None):
"""
Return a distutils install scheme
"""
from distutils.dist import Distribution
scheme = {}
d = Distribution({'name': dist_name})
d.parse_config_files()
i = d.get_command_obj('install', create=True)
# NOTE: setting user or home has the side-effect of creating the home dir or
# user base for installations during finalize_options()
# ideally, we'd prefer a scheme class that has no side-effects.
i.user = user or i.user
i.home = home or i.home
i.root = root or i.root
i.finalize_options()
for key in SCHEME_KEYS:
scheme[key] = getattr(i, 'install_'+key)
if running_under_virtualenv():
scheme['headers'] = os.path.join(sys.prefix,
'include',
'site',
'python' + sys.version[:3],
dist_name)
if root is not None:
scheme["headers"] = os.path.join(
root,
os.path.abspath(scheme["headers"])[1:],
)
return scheme
def get_install_command(name):
# late binding due to potential monkeypatching
d = dist.Distribution({'name':name})
i = install.install(d)
i.finalize_options()
return i
def initialize_options(self):
orig.install.initialize_options(self)
self.old_and_unmanageable = None
self.single_version_externally_managed = None
def finalize_options(self):
orig.install.finalize_options(self)
if self.root:
self.single_version_externally_managed = True
elif self.single_version_externally_managed:
if not self.root and not self.record:
raise DistutilsArgError(
"You must specify --record or --root when building system"
" packages"
)
def handle_extra_path(self):
if self.root or self.single_version_externally_managed:
# explicit backward-compatibility mode, allow extra_path to work
return orig.install.handle_extra_path(self)
# Ignore extra_path when installing an egg (or being run by another
# command without --root or --single-version-externally-managed
self.path_file = None
self.extra_dirs = ''
def do_egg_install(self):
easy_install = self.distribution.get_command_class('easy_install')
cmd = easy_install(
self.distribution, args="x", root=self.root, record=self.record,
)
cmd.ensure_finalized() # finalize before bdist_egg munges install cmd
cmd.always_copy_from = '.' # make sure local-dir eggs get installed
# pick up setup-dir .egg files only: no .egg-info
cmd.package_index.scan(glob.glob('*.egg'))
self.run_command('bdist_egg')
args = [self.distribution.get_command_obj('bdist_egg').egg_output]
if setuptools.bootstrap_install_from:
# Bootstrap self-installation of setuptools
args.insert(0, setuptools.bootstrap_install_from)
cmd.args = args
cmd.run()
setuptools.bootstrap_install_from = None
# XXX Python 3.1 doesn't see _nc if this is inside the class
def get_install_command(name):
# late binding due to potential monkeypatching
d = dist.Distribution({'name':name})
i = install.install(d)
i.finalize_options()
return i
