allow "fake" filenames in findsource (closes #9284)
This allows findsource() to work in doctests.
A patch from Dirkjan Ochtman.
diff --git a/Lib/inspect.py b/Lib/inspect.py
index b0b2d3a..c727530 100644
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -524,9 +524,13 @@
or code object. The source code is returned as a list of all the lines
in the file and the line number indexes a line in that list. An IOError
is raised if the source code cannot be retrieved."""
- file = getsourcefile(object)
- if not file:
+
+ file = getfile(object)
+ sourcefile = getsourcefile(object)
+ if not sourcefile and file[0] + file[-1] != '<>':
raise IOError('source code not available')
+ file = sourcefile if sourcefile else file
+
module = getmodule(object, file)
if module:
lines = linecache.getlines(file, module.__dict__)