AlkantarClanX12
Current Path : /opt/alt/python35/lib/python3.5/site-packages/pip/_internal/models/ |
Current File : //opt/alt/python35/lib/python3.5/site-packages/pip/_internal/models/direct_url.py |
""" PEP 610 """ import json import re from pip._vendor import six from pip._vendor.six.moves.urllib import parse as urllib_parse from pip._internal.utils.typing import MYPY_CHECK_RUNNING if MYPY_CHECK_RUNNING: from typing import ( Any, Dict, Iterable, Optional, Type, TypeVar, Union ) T = TypeVar("T") DIRECT_URL_METADATA_NAME = "direct_url.json" ENV_VAR_RE = re.compile(r"^\$\{[A-Za-z0-9-_]+\}(:\$\{[A-Za-z0-9-_]+\})?$") __all__ = [ "DirectUrl", "DirectUrlValidationError", "DirInfo", "ArchiveInfo", "VcsInfo", ] class DirectUrlValidationError(Exception): pass def _get(d, expected_type, key, default=None): # type: (Dict[str, Any], Type[T], str, Optional[T]) -> Optional[T] """Get value from dictionary and verify expected type.""" if key not in d: return default value = d[key] if six.PY2 and expected_type is str: expected_type = six.string_types # type: ignore if not isinstance(value, expected_type): raise DirectUrlValidationError( "{!r} has unexpected type for {} (expected {})".format( value, key, expected_type ) ) return value def _get_required(d, expected_type, key, default=None): # type: (Dict[str, Any], Type[T], str, Optional[T]) -> T value = _get(d, expected_type, key, default) if value is None: raise DirectUrlValidationError("{} must have a value".format(key)) return value def _exactly_one_of(infos): # type: (Iterable[Optional[InfoType]]) -> InfoType infos = [info for info in infos if info is not None] if not infos: raise DirectUrlValidationError( "missing one of archive_info, dir_info, vcs_info" ) if len(infos) > 1: raise DirectUrlValidationError( "more than one of archive_info, dir_info, vcs_info" ) assert infos[0] is not None return infos[0] def _filter_none(**kwargs): # type: (Any) -> Dict[str, Any] """Make dict excluding None values.""" return {k: v for k, v in kwargs.items() if v is not None} class VcsInfo(object): name = "vcs_info" def __init__( self, vcs, # type: str commit_id, # type: str requested_revision=None, # type: Optional[str] resolved_revision=None, # type: Optional[str] resolved_revision_type=None, # type: Optional[str] ): self.vcs = vcs self.requested_revision = requested_revision self.commit_id = commit_id self.resolved_revision = resolved_revision self.resolved_revision_type = resolved_revision_type @classmethod def _from_dict(cls, d): # type: (Optional[Dict[str, Any]]) -> Optional[VcsInfo] if d is None: return None return cls( vcs=_get_required(d, str, "vcs"), commit_id=_get_required(d, str, "commit_id"), requested_revision=_get(d, str, "requested_revision"), resolved_revision=_get(d, str, "resolved_revision"), resolved_revision_type=_get(d, str, "resolved_revision_type"), ) def _to_dict(self): # type: () -> Dict[str, Any] return _filter_none( vcs=self.vcs, requested_revision=self.requested_revision, commit_id=self.commit_id, resolved_revision=self.resolved_revision, resolved_revision_type=self.resolved_revision_type, ) class ArchiveInfo(object): name = "archive_info" def __init__( self, hash=None, # type: Optional[str] ): self.hash = hash @classmethod def _from_dict(cls, d): # type: (Optional[Dict[str, Any]]) -> Optional[ArchiveInfo] if d is None: return None return cls(hash=_get(d, str, "hash")) def _to_dict(self): # type: () -> Dict[str, Any] return _filter_none(hash=self.hash) class DirInfo(object): name = "dir_info" def __init__( self, editable=False, # type: bool ): self.editable = editable @classmethod def _from_dict(cls, d): # type: (Optional[Dict[str, Any]]) -> Optional[DirInfo] if d is None: return None return cls( editable=_get_required(d, bool, "editable", default=False) ) def _to_dict(self): # type: () -> Dict[str, Any] return _filter_none(editable=self.editable or None) if MYPY_CHECK_RUNNING: InfoType = Union[ArchiveInfo, DirInfo, VcsInfo] class DirectUrl(object): def __init__( self, url, # type: str info, # type: InfoType subdirectory=None, # type: Optional[str] ): self.url = url self.info = info self.subdirectory = subdirectory def _remove_auth_from_netloc(self, netloc): # type: (str) -> str if "@" not in netloc: return netloc user_pass, netloc_no_user_pass = netloc.split("@", 1) if ( isinstance(self.info, VcsInfo) and self.info.vcs == "git" and user_pass == "git" ): return netloc if ENV_VAR_RE.match(user_pass): return netloc return netloc_no_user_pass @property def redacted_url(self): # type: () -> str """url with user:password part removed unless it is formed with environment variables as specified in PEP 610, or it is ``git`` in the case of a git URL. """ purl = urllib_parse.urlsplit(self.url) netloc = self._remove_auth_from_netloc(purl.netloc) surl = urllib_parse.urlunsplit( (purl.scheme, netloc, purl.path, purl.query, purl.fragment) ) return surl def validate(self): # type: () -> None self.from_dict(self.to_dict()) @classmethod def from_dict(cls, d): # type: (Dict[str, Any]) -> DirectUrl return DirectUrl( url=_get_required(d, str, "url"), subdirectory=_get(d, str, "subdirectory"), info=_exactly_one_of( [ ArchiveInfo._from_dict(_get(d, dict, "archive_info")), DirInfo._from_dict(_get(d, dict, "dir_info")), VcsInfo._from_dict(_get(d, dict, "vcs_info")), ] ), ) def to_dict(self): # type: () -> Dict[str, Any] res = _filter_none( url=self.redacted_url, subdirectory=self.subdirectory, ) res[self.info.name] = self.info._to_dict() return res @classmethod def from_json(cls, s): # type: (str) -> DirectUrl return cls.from_dict(json.loads(s)) def to_json(self): # type: () -> str return json.dumps(self.to_dict(), sort_keys=True)