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-rw-r--r--Lib/inspect.py8
-rw-r--r--Lib/test/test_inspect.py17
-rw-r--r--Misc/NEWS3
3 files changed, 26 insertions, 2 deletions
diff --git a/Lib/inspect.py b/Lib/inspect.py
index 4899cbf..bb46ea6 100644
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -518,9 +518,13 @@ def findsource(object):
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__)
diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index f5dff1e..7666fe4 100644
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -298,6 +298,23 @@ class TestRetrievingSourceCode(GetSourceBase):
del sys.modules[name]
inspect.getmodule(compile('a=10','','single'))
+ def test_proceed_with_fake_filename(self):
+ '''doctest monkeypatches linecache to enable inspection'''
+ fn, source = '<test>', 'def x(): pass\n'
+ getlines = linecache.getlines
+ def monkey(filename, module_globals=None):
+ if filename == fn:
+ return source.splitlines(True)
+ else:
+ return getlines(filename, module_globals)
+ linecache.getlines = monkey
+ try:
+ ns = {}
+ exec(compile(source, fn, 'single'), ns)
+ inspect.getsource(ns["x"])
+ finally:
+ linecache.getlines = getlines
+
class TestDecorators(GetSourceBase):
fodderModule = mod2
diff --git a/Misc/NEWS b/Misc/NEWS
index d3496b0..de1c531 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -22,6 +22,9 @@ Core and Builtins
Library
-------
+- Issue #9284: Allow inspect.findsource() to find the source of doctest
+ functions.
+
- Issue #12009: Fixed regression in netrc file comment handling.
- Issue #10694: zipfile now ignores garbage at the end of a zipfile.