allow "fake" filenames in findsource (closes #9284)
This allows findsource() to work in doctests.
A patch from Dirkjan Ochtman.
diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index d93ffec..b8c9a18 100644
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -295,6 +295,23 @@
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') in ns
+ inspect.getsource(ns["x"])
+ finally:
+ linecache.getlines = getlines
+
class TestDecorators(GetSourceBase):
fodderFile = mod2