OpenHome/venv/Lib/site-packages/pip/_internal/utils/pkg_resources.py
2021-07-21 21:33:05 +02:00

41 lines
1.1 KiB
Python

from typing import Dict, Iterable, List
from pip._vendor.pkg_resources import yield_lines
class DictMetadata:
"""IMetadataProvider that reads metadata files from a dictionary."""
def __init__(self, metadata):
# type: (Dict[str, bytes]) -> None
self._metadata = metadata
def has_metadata(self, name):
# type: (str) -> bool
return name in self._metadata
def get_metadata(self, name):
# type: (str) -> str
try:
return self._metadata[name].decode()
except UnicodeDecodeError as e:
# Mirrors handling done in pkg_resources.NullProvider.
e.reason += f" in {name} file"
raise
def get_metadata_lines(self, name):
# type: (str) -> Iterable[str]
return yield_lines(self.get_metadata(name))
def metadata_isdir(self, name):
# type: (str) -> bool
return False
def metadata_listdir(self, name):
# type: (str) -> List[str]
return []
def run_script(self, script_name, namespace):
# type: (str, str) -> None
pass