Get information about a frame or traceback object. A tuple of five things is returned: the filename, the line number of the current line, the function name, a list of lines of context from the source code, and the index of the current line within that list. The optional second
(frame, context=1)
| 1656 | return next(itertools.islice(positions_gen, instruction_index // 2, None)) |
| 1657 | |
| 1658 | def getframeinfo(frame, context=1): |
| 1659 | """Get information about a frame or traceback object. |
| 1660 | |
| 1661 | A tuple of five things is returned: the filename, the line number of |
| 1662 | the current line, the function name, a list of lines of context from |
| 1663 | the source code, and the index of the current line within that list. |
| 1664 | The optional second argument specifies the number of lines of context |
| 1665 | to return, which are centered around the current line.""" |
| 1666 | if istraceback(frame): |
| 1667 | positions = _get_code_position_from_tb(frame) |
| 1668 | lineno = frame.tb_lineno |
| 1669 | frame = frame.tb_frame |
| 1670 | else: |
| 1671 | lineno = frame.f_lineno |
| 1672 | positions = _get_code_position(frame.f_code, frame.f_lasti) |
| 1673 | |
| 1674 | if positions[0] is None: |
| 1675 | frame, *positions = (frame, lineno, *positions[1:]) |
| 1676 | else: |
| 1677 | frame, *positions = (frame, *positions) |
| 1678 | |
| 1679 | lineno = positions[0] |
| 1680 | |
| 1681 | if not isframe(frame): |
| 1682 | raise TypeError('{!r} is not a frame or traceback object'.format(frame)) |
| 1683 | |
| 1684 | filename = getsourcefile(frame) or getfile(frame) |
| 1685 | if context > 0: |
| 1686 | start = lineno - 1 - context//2 |
| 1687 | try: |
| 1688 | lines, lnum = findsource(frame) |
| 1689 | except OSError: |
| 1690 | lines = index = None |
| 1691 | else: |
| 1692 | start = max(0, min(start, len(lines) - context)) |
| 1693 | lines = lines[start:start+context] |
| 1694 | index = lineno - 1 - start |
| 1695 | else: |
| 1696 | lines = index = None |
| 1697 | |
| 1698 | return Traceback(filename, lineno, frame.f_code.co_name, lines, |
| 1699 | index, positions=dis.Positions(*positions)) |
| 1700 | |
| 1701 | def getlineno(frame): |
| 1702 | """Get the line number from a frame object, allowing for optimization.""" |
no test coverage detected