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annotate lib/python3.8/site-packages/pip/_internal/utils/pkg_resources.py @ 0:9e54283cc701 draft

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"planemo upload commit d12c32a45bcd441307e632fca6d9af7d60289d44"
author guerler
date Mon, 27 Jul 2020 03:47:31 -0400
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1 from pip._vendor.pkg_resources import yield_lines
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2 from pip._vendor.six import ensure_str
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3
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4 from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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5
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6 if MYPY_CHECK_RUNNING:
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7 from typing import Dict, Iterable, List
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8
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9
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10 class DictMetadata(object):
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11 """IMetadataProvider that reads metadata files from a dictionary.
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12 """
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13 def __init__(self, metadata):
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14 # type: (Dict[str, bytes]) -> None
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15 self._metadata = metadata
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16
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17 def has_metadata(self, name):
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18 # type: (str) -> bool
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19 return name in self._metadata
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20
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21 def get_metadata(self, name):
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22 # type: (str) -> str
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23 try:
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24 return ensure_str(self._metadata[name])
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25 except UnicodeDecodeError as e:
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26 # Mirrors handling done in pkg_resources.NullProvider.
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27 e.reason += " in {} file".format(name)
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28 raise
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29
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30 def get_metadata_lines(self, name):
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31 # type: (str) -> Iterable[str]
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32 return yield_lines(self.get_metadata(name))
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33
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34 def metadata_isdir(self, name):
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35 # type: (str) -> bool
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36 return False
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37
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38 def metadata_listdir(self, name):
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39 # type: (str) -> List[str]
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40 return []
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41
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42 def run_script(self, script_name, namespace):
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43 # type: (str, str) -> None
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44 pass