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add loading of dynamic library modules.

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This commit is contained in:
Greg Stein 1999-11-24 02:37:05 +00:00
parent 645af9fedd
commit 2b23413ce2
1 changed files with 18 additions and 4 deletions
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22
Lib/imputil.py
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@ -333,6 +333,8 @@ _suffix_char = __debug__ and 'c' or 'o'
# byte-compiled file suffix # byte-compiled file suffix
_suffix = '.py' + _suffix_char _suffix = '.py' + _suffix_char
# the C_EXTENSION suffixes
_c_suffixes = filter(lambda x: x[2] == imp.C_EXTENSION, imp.get_suffixes())
def _compile(pathname, timestamp): def _compile(pathname, timestamp):
"""Compile (and cache) a Python source file. """Compile (and cache) a Python source file.
@ -429,7 +431,7 @@ def _timestamp(pathname):
return None return None
return long(s[8]) return long(s[8])
def _fs_import(dir, modname): def _fs_import(dir, modname, fqname):
"Fetch a module from the filesystem." "Fetch a module from the filesystem."
pathname = _os_path_join(dir, modname) pathname = _os_path_join(dir, modname)
@ -441,6 +443,18 @@ def _fs_import(dir, modname):
values = { } values = { }
ispkg = 0 ispkg = 0
# look for dynload modules
for desc in _c_suffixes:
file = pathname + desc[0]
try:
fp = open(file, desc[1])
except IOError:
pass
else:
module = imp.load_module(fqname, fp, file, desc)
values['__file__'] = file
return 0, module, values
t_py = _timestamp(pathname + '.py') t_py = _timestamp(pathname + '.py')
t_pyc = _timestamp(pathname + _suffix) t_pyc = _timestamp(pathname + _suffix)
if t_py is None and t_pyc is None: if t_py is None and t_pyc is None:
@ -578,7 +592,7 @@ class DirectoryImporter(Importer):
# Return the module (and other info) if found in the specified # Return the module (and other info) if found in the specified
# directory. Otherwise, return None. # directory. Otherwise, return None.
return _fs_import(dir, modname) return _fs_import(dir, modname, fqname)
def __repr__(self): def __repr__(self):
return '<%s.%s for "%s" at 0x%x>' % (self.__class__.__module__, return '<%s.%s for "%s" at 0x%x>' % (self.__class__.__module__,
@ -602,11 +616,11 @@ class PathImporter(Importer):
def get_code(self, parent, modname, fqname): def get_code(self, parent, modname, fqname):
if parent: if parent:
# we are looking for a module inside of a specific package # we are looking for a module inside of a specific package
return _fs_import(parent.__pkgdir__, modname) return _fs_import(parent.__pkgdir__, modname, fqname)
# scan sys.path, looking for the requested module # scan sys.path, looking for the requested module
for dir in self.path: for dir in self.path:
result = _fs_import(dir, modname) result = _fs_import(dir, modname, fqname)
if result: if result:
return result return result