diff options
Diffstat (limited to 'Lib/inspect.py')
| -rw-r--r-- | Lib/inspect.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Lib/inspect.py b/Lib/inspect.py index ea30466433..d6ac4e02ca 100644 --- a/Lib/inspect.py +++ b/Lib/inspect.py @@ -437,7 +437,9 @@ def getmodulename(path): if info: return info[0] def getsourcefile(object): - """Return the Python source file an object was defined in, if it exists.""" + """Return the filename that can be used to locate an object's source. + Return None if no way can be identified to get the source. + """ filename = getfile(object) if filename[-4:].lower() in ('.pyc', '.pyo'): filename = filename[:-4] + '.py' @@ -450,6 +452,9 @@ def getsourcefile(object): # only return a non-existent filename if the module has a PEP 302 loader if hasattr(getmodule(object, filename), '__loader__'): return filename + # or it is in the linecache + if filename in linecache.cache: + return filename def getabsfile(object, _filename=None): """Return an absolute path to the source or compiled file for an object. |