diff options
Diffstat (limited to 'Lib/pydoc.py')
| -rwxr-xr-x | Lib/pydoc.py | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/Lib/pydoc.py b/Lib/pydoc.py index b319d11..9c9658c 100755 --- a/Lib/pydoc.py +++ b/Lib/pydoc.py @@ -53,6 +53,7 @@ Richard Chamberlain, for the first implementation of textdoc. import builtins import imp +import importlib.machinery import inspect import io import os @@ -220,20 +221,34 @@ def synopsis(filename, cache={}): mtime = os.stat(filename).st_mtime lastupdate, result = cache.get(filename, (None, None)) if lastupdate is None or lastupdate < mtime: - info = inspect.getmoduleinfo(filename) try: file = tokenize.open(filename) except IOError: # module can't be opened, so skip it return None - if info and 'b' in info[2]: # binary modules have to be imported - try: module = imp.load_module('__temp__', file, filename, info[1:]) - except: return None + binary_suffixes = importlib.machinery.BYTECODE_SUFFIXES[:] + binary_suffixes += importlib.machinery.EXTENSION_SUFFIXES[:] + if any(filename.endswith(x) for x in binary_suffixes): + # binary modules have to be imported + file.close() + if any(filename.endswith(x) for x in + importlib.machinery.BYTECODE_SUFFIXES): + loader = importlib.machinery.SourcelessFileLoader('__temp__', + filename) + else: + loader = importlib.machinery.ExtensionFileLoader('__temp__', + filename) + try: + module = loader.load_module('__temp__') + except: + return None result = (module.__doc__ or '').splitlines()[0] del sys.modules['__temp__'] - else: # text modules can be directly examined + else: + # text modules can be directly examined result = source_synopsis(file) file.close() + cache[filename] = (mtime, result) return result |