def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix, mode, kind) = info = imp.find_module(part, paths)
if kind == PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts, module))
return info
python类find_module()的实例源码
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix, mode, kind) = info = imp.find_module(part, paths)
if kind == PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts, module))
return info
def loadModule(filename):
if filename == '':
raise RuntimeError, 'Empty filename cannot be loaded'
print "Loading module %s" % (filename)
searchPath, file = os.path.split(filename)
if not searchPath in sys.path:
sys.path.append(searchPath)
sys.path.append(os.path.normpath(searchPath+"/../"))
moduleName, ext = os.path.splitext(file)
fp, pathName, description = imp.find_module(moduleName, [searchPath,])
try:
module = imp.load_module(moduleName, fp, pathName, description)
finally:
if fp:
fp.close()
return module
def import_it(self, partname, fqname, parent, force_load=0):
if not partname:
# completely empty module name should only happen in
# 'from . import' or __import__("")
return parent
if not force_load:
try:
return self.modules[fqname]
except KeyError:
pass
try:
path = parent and parent.__path__
except AttributeError:
return None
partname = str(partname)
stuff = self.loader.find_module(partname, path)
if not stuff:
return None
fqname = str(fqname)
m = self.loader.load_module(fqname, stuff)
if parent:
setattr(parent, partname, m)
return m
def load_package(self, fqname, pathname):
self.msgin(2, "load_package", fqname, pathname)
newname = replacePackageMap.get(fqname)
if newname:
fqname = newname
m = self.add_module(fqname)
m.__file__ = pathname
m.__path__ = [pathname]
# As per comment at top of file, simulate runtime __path__ additions.
m.__path__ = m.__path__ + packagePathMap.get(fqname, [])
fp, buf, stuff = self.find_module("__init__", m.__path__)
self.load_module(fqname, fp, buf, stuff)
self.msgout(2, "load_package ->", m)
return m
def find_module(self, name, path, parent=None):
if parent is not None:
# assert path is not None
fullname = parent.__name__+'.'+name
else:
fullname = name
if fullname in self.excludes:
self.msgout(3, "find_module -> Excluded", fullname)
raise ImportError, name
if path is None:
if name in sys.builtin_module_names:
return (None, None, ("", "", imp.C_BUILTIN))
path = self.path
return imp.find_module(name, path)
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix,mode,kind) = info = imp.find_module(part, paths)
if kind==PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts,module))
return info
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix, mode, kind) = info = imp.find_module(part, paths)
if kind == PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts, module))
return info
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix,mode,kind) = info = imp.find_module(part, paths)
if kind==PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts,module))
return info
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix,mode,kind) = info = imp.find_module(part, paths)
if kind==PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts,module))
return info
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix,mode,kind) = info = imp.find_module(part, paths)
if kind==PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts,module))
return info
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix, mode, kind) = info = imp.find_module(part, paths)
if kind == PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts, module))
return info
def install_other(subdir):
cwd = os.getcwd()
path = os.path.join(cwd, subdir)
try:
os.chdir(path)
except OSError, error:
if error.errno not in (errno.ENOENT, errno.ENOTDIR):
raise
print >> sys.stderr, "Could not find directory %r" % path
return
try:
module_info = imp.find_module("setup", ["."])
imp.load_module("setup", *module_info)
finally:
os.chdir(cwd)
def get(prop):
db_type = name()
modname = 'trytond.backend.%s' % db_type
if modname not in sys.modules:
try:
__import__(modname)
except ImportError:
if not pkg_resources:
raise
ep, = pkg_resources.iter_entry_points('trytond.backend', db_type)
mod_path = os.path.join(ep.dist.location,
*ep.module_name.split('.')[:-1])
fp, pathname, description = imp.find_module(db_type, [mod_path])
imp.load_module(modname, fp, pathname, description)
module = sys.modules[modname]
return getattr(module, prop)
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix,mode,kind) = info = imp.find_module(part, paths)
if kind==PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts,module))
return info
def import_module(name):
name = os.path.realpath(name)
thepath = os.path.dirname(name)
name = os.path.basename(name)
if name.endswith(".py"):
name = name[:-3]
f,path,desc = imp.find_module(name,[thepath])
try:
return imp.load_module(name, f, path, desc)
finally:
if f:
f.close()
#### INTERNAL/EXTERNAL FILE EMBEDDING ####
def import_module(name):
name = os.path.realpath(name)
thepath = os.path.dirname(name)
name = os.path.basename(name)
if name.endswith(".py"):
name = name[:-3]
f,path,desc = imp.find_module(name,[thepath])
try:
return imp.load_module(name, f, path, desc)
finally:
if f:
f.close()
#### INTERNAL/EXTERNAL FILE EMBEDDING ####
def load_package(self, fqname, pathname):
self.msgin(2, "load_package", fqname, pathname)
newname = replacePackageMap.get(fqname)
if newname:
fqname = newname
m = self.add_module(fqname)
m.__file__ = pathname
m.__path__ = [pathname]
# As per comment at top of file, simulate runtime __path__ additions.
m.__path__ = m.__path__ + packagePathMap.get(fqname, [])
fp, buf, stuff = self.find_module("__init__", m.__path__)
self.load_module(fqname, fp, buf, stuff)
self.msgout(2, "load_package ->", m)
return m
def find_module(self, name, path, parent=None):
if parent is not None:
# assert path is not None
fullname = parent.__name__+'.'+name
else:
fullname = name
if fullname in self.excludes:
self.msgout(3, "find_module -> Excluded", fullname)
raise ImportError, name
if path is None:
if name in sys.builtin_module_names:
return (None, None, ("", "", imp.C_BUILTIN))
path = self.path
return imp.find_module(name, path)
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix, mode, kind) = info = imp.find_module(part, paths)
if kind == PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts, module))
return info
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix, mode, kind) = info = imp.find_module(part, paths)
if kind == PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts, module))
return info
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix, mode, kind) = info = imp.find_module(part, paths)
if kind == PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts, module))
return info
def check_packages(str_package):
""" Checks if the specified python package is installed.
return type: boolean
:Arguments:
1. str_package (str) = name of the package to be checked
:Returns:
bool = True/False
"""
try:
imp.find_module(str_package)
bool_found = True
except ImportError:
bool_found = False
return bool_found
def _find_module_path(module_name, mod_path=None):
"""Recursively find the module path. ImportError will
be raised if the module cannot be found.
"""
parts = module_name.split(".")
find_args = [parts[0]]
if mod_path is not None:
find_args.append([mod_path])
file_,mod_path,desc = imp.find_module(*find_args)
if len(parts) > 1:
return _find_module_path(".".join(parts[1:]), mod_path)
return mod_path
def import_module(name):
name = os.path.realpath(name)
thepath = os.path.dirname(name)
name = os.path.basename(name)
if name.endswith(".py"):
name = name[:-3]
f,path,desc = imp.find_module(name,[thepath])
try:
return imp.load_module(name, f, path, desc)
finally:
if f:
f.close()
#### INTERNAL/EXTERNAL FILE EMBEDDING ####
def reload(self, module, pdata):
"""
Reloads modules that might not be in the path.
"""
try:
import imp
fp, pathname, description = imp.find_module(pdata.mod_name, [pdata.fpath])
try:
module = imp.load_module(pdata.mod_name, fp, pathname,description)
finally:
if fp:
fp.close()
except:
if pdata.mod_name in sys.modules:
del sys.modules[pdata.mod_name]
module = self.import_plugin(pdata)
return module
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix, mode, kind) = info = imp.find_module(part, paths)
if kind == PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts, module))
return info
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix, mode, kind) = info = imp.find_module(part, paths)
if kind == PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts, module))
return info
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix, mode, kind) = info = imp.find_module(part, paths)
if kind == PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts, module))
return info
def find_module(module, paths=None):
"""Just like 'imp.find_module()', but with package support"""
parts = module.split('.')
while parts:
part = parts.pop(0)
f, path, (suffix,mode,kind) = info = imp.find_module(part, paths)
if kind==PKG_DIRECTORY:
parts = parts or ['__init__']
paths = [path]
elif parts:
raise ImportError("Can't find %r in %s" % (parts,module))
return info
