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103 lines
3.2 KiB
Python
103 lines
3.2 KiB
Python
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"""
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this is a place where we put datastructures used by legacy apis
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we hope ot remove
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"""
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import keyword
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import attr
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from _pytest.config import UsageError
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@attr.s
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class MarkMapping(object):
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"""Provides a local mapping for markers where item access
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resolves to True if the marker is present. """
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own_mark_names = attr.ib()
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@classmethod
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def from_item(cls, item):
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mark_names = {mark.name for mark in item.iter_markers()}
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return cls(mark_names)
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def __getitem__(self, name):
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return name in self.own_mark_names
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class KeywordMapping(object):
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"""Provides a local mapping for keywords.
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Given a list of names, map any substring of one of these names to True.
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"""
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def __init__(self, names):
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self._names = names
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@classmethod
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def from_item(cls, item):
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mapped_names = set()
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# Add the names of the current item and any parent items
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import pytest
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for item in item.listchain():
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if not isinstance(item, pytest.Instance):
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mapped_names.add(item.name)
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# Add the names added as extra keywords to current or parent items
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mapped_names.update(item.listextrakeywords())
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# Add the names attached to the current function through direct assignment
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if hasattr(item, "function"):
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mapped_names.update(item.function.__dict__)
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# add the markers to the keywords as we no longer handle them correctly
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mapped_names.update(mark.name for mark in item.iter_markers())
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return cls(mapped_names)
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def __getitem__(self, subname):
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for name in self._names:
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if subname in name:
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return True
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return False
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python_keywords_allowed_list = ["or", "and", "not"]
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def matchmark(colitem, markexpr):
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"""Tries to match on any marker names, attached to the given colitem."""
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try:
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return eval(markexpr, {}, MarkMapping.from_item(colitem))
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except SyntaxError as e:
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raise SyntaxError(str(e) + "\nMarker expression must be valid Python!")
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def matchkeyword(colitem, keywordexpr):
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"""Tries to match given keyword expression to given collector item.
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Will match on the name of colitem, including the names of its parents.
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Only matches names of items which are either a :class:`Class` or a
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:class:`Function`.
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Additionally, matches on names in the 'extra_keyword_matches' set of
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any item, as well as names directly assigned to test functions.
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"""
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mapping = KeywordMapping.from_item(colitem)
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if " " not in keywordexpr:
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# special case to allow for simple "-k pass" and "-k 1.3"
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return mapping[keywordexpr]
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elif keywordexpr.startswith("not ") and " " not in keywordexpr[4:]:
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return not mapping[keywordexpr[4:]]
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for kwd in keywordexpr.split():
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if keyword.iskeyword(kwd) and kwd not in python_keywords_allowed_list:
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raise UsageError(
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"Python keyword '{}' not accepted in expressions passed to '-k'".format(
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kwd
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)
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)
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try:
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return eval(keywordexpr, {}, mapping)
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except SyntaxError:
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raise UsageError("Wrong expression passed to '-k': {}".format(keywordexpr))
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