from imp import find_module
from pkgutil import ImpImporter
from os.path import *
for a in (imp.PY_SOURCE,
imp.PY_COMPILED,
imp.C_EXTENSION,
imp.PY_RESOURCE,
imp.PKG_DIRECTORY,
imp.C_BUILTIN,
imp.PY_FROZEN):
print a
modname = 'signal'
mod = ImpImporter().find_module(modname)
print 'mod', mod
print 'filename', mod.get_filename()
print 'source', mod.get_source()
print 'code', mod.get_code()
print 'file', mod.file
print 'etc', mod.etc
## print 'ispackage', mod.is_package('util')
## print 'data', mod.get_data()
for a in dir(mod):
v = getattr(mod, a)
print a, v
def __init__(self, path):
super(PyModulePath, self).__init__()
self.is_pymodule = self.is_file() and \
lexer.analyse_text(self.open().read()) == 1.0
if self.is_pymodule:
self.module = ImpImporter(str(self.resolve().parent)) \
.find_module(self.stem).load_module(self.stem)
def get_importer(path_item):
"""Retrieve a PEP 302 importer for the given path item
"""
if sys.version < '2.3':
importer = None
else:
try:
importer = sys.path_importer_cache[path_item]
except KeyError:
for path_hook in sys.path_hooks:
try:
importer = path_hook(path_item)
break
except ImportError:
pass
else:
importer = None
sys.path_importer_cache.setdefault(path_item, importer)
# The boolean values are used for caching valid and invalid
# file paths for the built-in import machinery
if importer in (None, True, False):
try:
importer = ImpImporter(path_item)
except ImportError:
importer = None
return importer
def find_mod(modname, fn):
print '\n\n\n-----', modname, fn
mod = ImpImporter().find_module(modname)
print 'global', mod, mod and mod.get_filename()
mod = ImpImporter(dirname(fn)).find_module(modname)
print 'local', mod, mod and mod.get_filename()
try:
mod = find_module(modname)
except ImportError:
mod = 'ERROR'
print 'imp global', mod
try:
mod = find_module(modname, dirname(fn))
except ImportError:
mod = 'ERROR'
print 'imp local', mod
def iter_importers(fullname=''):
if '.' in fullname:
# Get the containing package's __path__
pkg = '.'.join(fullname.split('.')[:-1])
if pkg not in sys.modules:
__import__(pkg)
path = sys.modules[pkg].__path__
else:
# sys.meta_path is available in Python 2.3+
for importer in getattr(sys, 'meta_path', []):
yield importer
path = sys.path
for item in path:
yield get_importer(item)
if '.' not in fullname:
yield ImpImporter()
def find_mod(modname, fn):
print('\n\n\n-----', modname, fn)
mod = ImpImporter().find_module(modname)
print('global', mod, mod and mod.get_filename())
mod = ImpImporter(dirname(fn)).find_module(modname)
print('local', mod, mod and mod.get_filename())
try:
mod = find_module(modname)
except ImportError:
mod = 'ERROR'
print('imp global', mod)
try:
mod = find_module(modname, dirname(fn))
except ImportError:
mod = 'ERROR'
print('imp local', mod)
def __init__(self, path=None):
object.__init__(self)
ImpImporter.__init__(self, path)
#!/usr/bin/env python
import types, imp
from imp import find_module
from pkgutil import ImpImporter
from os.path import *
for a in (imp.PY_SOURCE, imp.PY_COMPILED, imp.C_EXTENSION, imp.PY_RESOURCE,
imp.PKG_DIRECTORY, imp.C_BUILTIN, imp.PY_FROZEN):
print a
modname = 'signal'
mod = ImpImporter().find_module(modname)
print 'mod', mod
print 'filename', mod.get_filename()
print 'source', mod.get_source()
print 'code', mod.get_code()
print 'file', mod.file
print 'etc', mod.etc
## print 'ispackage', mod.is_package('util')
## print 'data', mod.get_data()
for a in dir(mod):
v = getattr(mod, a)
print a, v
#!/usr/bin/env python
import sys, types, imp
from imp import find_module
from pkgutil import ImpImporter
from os.path import *
root = '/home/blais/p/snakefood/test/snakefood'
sys.path.insert(0, root)
## i = ImpImporter(join(root, 'project'))
## mod = i.find_module('bar')
## print mod, mod.get_filename()
## import project.bar
i = ImpImporter()
mod = i.find_module('project')
print mod, mod.get_filename()
i = ImpImporter(dirname(mod.get_filename()))
mod = i.find_module('bar')
print mod, mod.get_filename()
#!/usr/bin/env python
import sys, types, imp
from imp import find_module
from pkgutil import ImpImporter
from os.path import *
root = '/home/blais/p/snakefood/test/snakefood'
sys.path.insert(0, root)
## i = ImpImporter(join(root, 'project'))
## mod = i.find_module('bar')
## print mod, mod.get_filename()
## import project.bar
i = ImpImporter()
mod = i.find_module('project')
print mod, mod.get_filename()
i = ImpImporter(dirname(mod.get_filename()))
mod = i.find_module('bar')
print mod, mod.get_filename()
def _get_package_loader(self):
return ImpImporter(self.filename).find_module('__init__')
