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57 lines
1.4 KiB
57 lines
1.4 KiB
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Debug tools.
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Can be configured by changing values of those variable.
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DEBUG = False
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Enable this variable to activate debug features (like defined_at parameters). It can slow down Rebulk
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LOG_LEVEL = 0
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Default log level of generated rebulk logs.
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"""
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import inspect
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import logging
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import os
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from collections import namedtuple
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DEBUG = False
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LOG_LEVEL = logging.DEBUG
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class Frame(namedtuple('Frame', ['lineno', 'package', 'name', 'filename'])):
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"""
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Stack frame representation.
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"""
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__slots__ = ()
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def __repr__(self):
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return f"{os.path.basename(self.filename)}#L{self.lineno}"
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def defined_at():
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"""
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Get definition location of a pattern or a match (outside of rebulk package).
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:return:
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:rtype:
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"""
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if DEBUG:
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frame = inspect.currentframe()
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while frame:
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try:
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if frame.f_globals['__package__'] != __package__:
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break
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except KeyError: # pragma:no cover
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# If package is missing, consider we are in. Workaround for python 3.3.
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break
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frame = frame.f_back
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ret = Frame(frame.f_lineno,
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frame.f_globals.get('__package__'),
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frame.f_globals.get('__name__'),
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frame.f_code.co_filename)
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del frame
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return ret
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