(coro)
| 55 | |
| 56 | |
| 57 | def _format_coroutine(coro): |
| 58 | assert iscoroutine(coro) |
| 59 | |
| 60 | def get_name(coro): |
| 61 | # Coroutines compiled with Cython sometimes don't have |
| 62 | # proper __qualname__ or __name__. While that is a bug |
| 63 | # in Cython, asyncio shouldn't crash with an AttributeError |
| 64 | # in its __repr__ functions. |
| 65 | if hasattr(coro, '__qualname__') and coro.__qualname__: |
| 66 | coro_name = coro.__qualname__ |
| 67 | elif hasattr(coro, '__name__') and coro.__name__: |
| 68 | coro_name = coro.__name__ |
| 69 | else: |
| 70 | # Stop masking Cython bugs, expose them in a friendly way. |
| 71 | coro_name = f'<{type(coro).__name__} without __name__>' |
| 72 | return f'{coro_name}()' |
| 73 | |
| 74 | def is_running(coro): |
| 75 | try: |
| 76 | return coro.cr_running |
| 77 | except AttributeError: |
| 78 | try: |
| 79 | return coro.gi_running |
| 80 | except AttributeError: |
| 81 | return False |
| 82 | |
| 83 | coro_code = None |
| 84 | if hasattr(coro, 'cr_code') and coro.cr_code: |
| 85 | coro_code = coro.cr_code |
| 86 | elif hasattr(coro, 'gi_code') and coro.gi_code: |
| 87 | coro_code = coro.gi_code |
| 88 | |
| 89 | coro_name = get_name(coro) |
| 90 | |
| 91 | if not coro_code: |
| 92 | # Built-in types might not have __qualname__ or __name__. |
| 93 | if is_running(coro): |
| 94 | return f'{coro_name} running' |
| 95 | else: |
| 96 | return coro_name |
| 97 | |
| 98 | coro_frame = None |
| 99 | if hasattr(coro, 'gi_frame') and coro.gi_frame: |
| 100 | coro_frame = coro.gi_frame |
| 101 | elif hasattr(coro, 'cr_frame') and coro.cr_frame: |
| 102 | coro_frame = coro.cr_frame |
| 103 | |
| 104 | # If Cython's coroutine has a fake code object without proper |
| 105 | # co_filename -- expose that. |
| 106 | filename = coro_code.co_filename or '<empty co_filename>' |
| 107 | |
| 108 | lineno = 0 |
| 109 | |
| 110 | if coro_frame is not None: |
| 111 | lineno = coro_frame.f_lineno |
| 112 | coro_repr = f'{coro_name} running at {filename}:{lineno}' |
| 113 | |
| 114 | else: |
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