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asyncio: Tulip issue 173: Enhance repr(Handle) and repr(Task)

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repr(Handle) is shorter for function: "foo" instead of "<function foo at
0x...>". It now also includes the source of the callback, filename and line
number where it was defined, if available.

repr(Task) now also includes the current position in the code, filename and
line number, if available. If the coroutine (generator) is done, the line
number is omitted and "done" is added.
This commit is contained in:
Victor Stinner 2014-06-12 18:39:26 +02:00
parent f54432e2a1
commit 307bccc6ff
5 changed files with 123 additions and 31 deletions
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10
Lib/asyncio/tasks.py
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@ -188,7 +188,15 @@ class Task(futures.Future):
i = res.find('<')
if i < 0:
i = len(res)
res = res[:i] + '(<{}>)'.format(self._coro.__name__) + res[i:]
text = self._coro.__name__
coro = self._coro
if inspect.isgenerator(coro):
filename = coro.gi_code.co_filename
if coro.gi_frame is not None:
text += ' at %s:%s' % (filename, coro.gi_frame.f_lineno)
else:
text += ' done at %s' % filename
res = res[:i] + '(<{}>)'.format(text) + res[i:]
return res
def get_stack(self, *, limit=None):