def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent, []).append(packageName)
_namespace_packages.setdefault(packageName, [])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
python类release_lock()的实例源码
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent, ()):
subpath = _handle_ns(package, path_item)
if subpath:
fixup_namespace_packages(subpath, package)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent, []).append(packageName)
_namespace_packages.setdefault(packageName, [])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent, ()):
subpath = _handle_ns(package, path_item)
if subpath:
fixup_namespace_packages(subpath, package)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent, []).append(packageName)
_namespace_packages.setdefault(packageName, [])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent, ()):
subpath = _handle_ns(package, path_item)
if subpath:
fixup_namespace_packages(subpath, package)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent, []).append(packageName)
_namespace_packages.setdefault(packageName, [])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent, ()):
subpath = _handle_ns(package, path_item)
if subpath:
fixup_namespace_packages(subpath, package)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent,[]).append(packageName)
_namespace_packages.setdefault(packageName,[])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
imp.acquire_lock()
try:
for package in _namespace_packages.get(parent,()):
subpath = _handle_ns(package, path_item)
if subpath: fixup_namespace_packages(subpath,package)
finally:
imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent,[]).append(packageName)
_namespace_packages.setdefault(packageName,[])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
imp.acquire_lock()
try:
for package in _namespace_packages.get(parent,()):
subpath = _handle_ns(package, path_item)
if subpath: fixup_namespace_packages(subpath,package)
finally:
imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent, []).append(packageName)
_namespace_packages.setdefault(packageName, [])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent, ()):
subpath = _handle_ns(package, path_item)
if subpath:
fixup_namespace_packages(subpath, package)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent,[]).append(packageName)
_namespace_packages.setdefault(packageName,[])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent,()):
subpath = _handle_ns(package, path_item)
if subpath:
fixup_namespace_packages(subpath, package)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent, []).append(packageName)
_namespace_packages.setdefault(packageName, [])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent, ()):
subpath = _handle_ns(package, path_item)
if subpath:
fixup_namespace_packages(subpath, package)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent,[]).append(packageName)
_namespace_packages.setdefault(packageName,[])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent,()):
subpath = _handle_ns(package, path_item)
if subpath:
fixup_namespace_packages(subpath, package)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent,[]).append(packageName)
_namespace_packages.setdefault(packageName,[])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent,()):
subpath = _handle_ns(package, path_item)
if subpath:
fixup_namespace_packages(subpath, package)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent,[]).append(packageName)
_namespace_packages.setdefault(packageName,[])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent,[]).append(packageName)
_namespace_packages.setdefault(packageName,[])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent,()):
subpath = _handle_ns(package, path_item)
if subpath:
fixup_namespace_packages(subpath, package)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent,[]).append(packageName)
_namespace_packages.setdefault(packageName,[])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent,()):
subpath = _handle_ns(package, path_item)
if subpath:
fixup_namespace_packages(subpath, package)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent,[]).append(packageName)
_namespace_packages.setdefault(packageName,[])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def declare_namespace(packageName):
"""Declare that package 'packageName' is a namespace package"""
_imp.acquire_lock()
try:
if packageName in _namespace_packages:
return
path, parent = sys.path, None
if '.' in packageName:
parent = '.'.join(packageName.split('.')[:-1])
declare_namespace(parent)
if parent not in _namespace_packages:
__import__(parent)
try:
path = sys.modules[parent].__path__
except AttributeError:
raise TypeError("Not a package:", parent)
# Track what packages are namespaces, so when new path items are added,
# they can be updated
_namespace_packages.setdefault(parent,[]).append(packageName)
_namespace_packages.setdefault(packageName,[])
for path_item in path:
# Ensure all the parent's path items are reflected in the child,
# if they apply
_handle_ns(packageName, path_item)
finally:
_imp.release_lock()
def fixup_namespace_packages(path_item, parent=None):
"""Ensure that previously-declared namespace packages include path_item"""
_imp.acquire_lock()
try:
for package in _namespace_packages.get(parent,()):
subpath = _handle_ns(package, path_item)
if subpath:
fixup_namespace_packages(subpath, package)
finally:
_imp.release_lock()
