Repository navigation
Expand file tree
/
Copy pathtypes.py
More file actions
244 lines (177 loc) · 8.45 KB
/
Copy pathtypes.py
File metadata and controls
244 lines (177 loc) · 8.45 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
import os
from typing import (
Any,
Callable,
Dict,
NoReturn,
Optional,
Sequence as Sequence,
Tuple,
TYPE_CHECKING,
TypeVar,
Union,
)
from typing import (
Literal,
Protocol,
SupportsIndex as SupportsIndex,
TypedDict,
runtime_checkable,
)
if TYPE_CHECKING:
from git.objects import Commit, Tree, TagObject, Blob
from git.repo import Repo
PathLike = Union[str, "os.PathLike[str]"]
"""A :class:`str` (Unicode) based file or directory path."""
TBD = Any
"""Alias of :class:`~typing.Any`, when a type hint is meant to become more specific."""
_T = TypeVar("_T")
"""Type variable used internally in GitPython."""
_T_Stream_co = TypeVar("_T_Stream_co", str, bytes, covariant=True)
_T_Stream_contra = TypeVar("_T_Stream_contra", str, bytes, contravariant=True)
class SupportsRead(Protocol[_T_Stream_co]):
"""A stream supporting reads, without requiring the full IO interface."""
def read(self, __size: int = -1) -> _T_Stream_co: ...
class SupportsWrite(Protocol[_T_Stream_contra]):
"""A stream supporting writes, including writers that return None."""
def write(self, __data: _T_Stream_contra) -> object: ...
AnyGitObject = Union["Commit", "Tree", "TagObject", "Blob"]
"""Union of the :class:`~git.objects.base.Object`-based types that represent actual git
object types.
As noted in :class:`~git.objects.base.Object`, which has further details, these are:
* :class:`Blob <git.objects.blob.Blob>`
* :class:`Tree <git.objects.tree.Tree>`
* :class:`Commit <git.objects.commit.Commit>`
* :class:`TagObject <git.objects.tag.TagObject>`
Those GitPython classes represent the four git object types, per
:manpage:`gitglossary(7)`:
* "blob": https://git-scm.com/docs/gitglossary#def_blob_object
* "tree object": https://git-scm.com/docs/gitglossary#def_tree_object
* "commit object": https://git-scm.com/docs/gitglossary#def_commit_object
* "tag object": https://git-scm.com/docs/gitglossary#def_tag_object
For more general information on git objects and their types as git understands them:
* "object": https://git-scm.com/docs/gitglossary#def_object
* "object type": https://git-scm.com/docs/gitglossary#def_object_type
:note:
See also the :class:`Tree_ish` and :class:`Commit_ish` unions.
"""
Tree_ish = Union["Commit", "Tree", "TagObject"]
"""Union of :class:`~git.objects.base.Object`-based types that are typically tree-ish.
See :manpage:`gitglossary(7)` on "tree-ish":
https://git-scm.com/docs/gitglossary#def_tree-ish
:note:
:class:`~git.objects.tree.Tree` and :class:`~git.objects.commit.Commit` are the
classes whose instances are all tree-ish. This union includes them, but also
:class:`~git.objects.tag.TagObject`, only **most** of whose instances are tree-ish.
Whether a particular :class:`~git.objects.tag.TagObject` peels (recursively
dereferences) to a tree or commit, rather than a blob, can in general only be known
at runtime. In practice, git tag objects are nearly always used for tagging commits,
and such tags are tree-ish because commits are tree-ish.
:note:
See also the :class:`AnyGitObject` union of all four classes corresponding to git
object types.
"""
Commit_ish = Union["Commit", "TagObject"]
"""Union of :class:`~git.objects.base.Object`-based types that are typically commit-ish.
See :manpage:`gitglossary(7)` on "commit-ish":
https://git-scm.com/docs/gitglossary#def_commit-ish
:note:
:class:`~git.objects.commit.Commit` is the only class whose instances are all
commit-ish. This union type includes :class:`~git.objects.commit.Commit`, but also
:class:`~git.objects.tag.TagObject`, only **most** of whose instances are
commit-ish. Whether a particular :class:`~git.objects.tag.TagObject` peels
(recursively dereferences) to a commit, rather than a tree or blob, can in general
only be known at runtime. In practice, git tag objects are nearly always used for
tagging commits, and such tags are of course commit-ish.
:note:
See also the :class:`AnyGitObject` union of all four classes corresponding to git
object types.
"""
GitObjectTypeString = Literal["commit", "tag", "blob", "tree"]
"""Literal strings identifying git object types and the
:class:`~git.objects.base.Object`-based types that represent them.
See the :attr:`Object.type <git.objects.base.Object.type>` attribute. These are its
values in :class:`~git.objects.base.Object` subclasses that represent git objects. These
literals therefore correspond to the types in the :class:`AnyGitObject` union.
These are the same strings git itself uses to identify its four object types.
See :manpage:`gitglossary(7)` on "object type":
https://git-scm.com/docs/gitglossary#def_object_type
"""
# Config_levels ---------------------------------------------------------
Lit_config_levels = Literal["system", "global", "user", "repository"]
"""Type of literal strings naming git configuration levels.
These strings relate to which file a git configuration variable is in.
"""
ConfigLevels_Tup = Tuple[Literal["system"], Literal["user"], Literal["global"], Literal["repository"]]
"""Static type of a tuple of the four strings representing configuration levels."""
# Progress parameter type alias -----------------------------------------
CallableProgress = Optional[Callable[[int, Union[str, float], Union[str, float, None], str], None]]
"""General type of a function or other callable used as a progress reporter for cloning.
This is the type of a function or other callable that reports the progress of a clone,
when passed as a ``progress`` argument to :meth:`Repo.clone <git.repo.base.Repo.clone>`
or :meth:`Repo.clone_from <git.repo.base.Repo.clone_from>`.
:note:
Those :meth:`~git.repo.base.Repo.clone` and :meth:`~git.repo.base.Repo.clone_from`
methods also accept :meth:`~git.util.RemoteProgress` instances, including instances
of its :meth:`~git.util.CallableRemoteProgress` subclass.
:note:
Unlike objects that match this type, :meth:`~git.util.RemoteProgress` instances are
not directly callable, not even when they are instances of
:meth:`~git.util.CallableRemoteProgress`, which wraps a callable and forwards
information to it but is not itself callable.
:note:
This type also allows ``None``, for cloning without reporting progress.
"""
# -----------------------------------------------------------------------------------
def assert_never(inp: NoReturn, raise_error: bool = True, exc: Union[Exception, None] = None) -> None:
"""For use in exhaustive checking of a literal or enum in if/else chains.
A call to this function should only be reached if not all members are handled, or if
an attempt is made to pass non-members through the chain.
:param inp:
If all members are handled, the argument for `inp` will have the
:class:`~typing.Never`/:class:`~typing.NoReturn` type.
Otherwise, the type will mismatch and cause a mypy error.
:param raise_error:
If ``True``, will also raise :exc:`ValueError` with a general
"unhandled literal" message, or the exception object passed as `exc`.
:param exc:
It not ``None``, this should be an already-constructed exception object, to be
raised if `raise_error` is ``True``.
"""
if raise_error:
if exc is None:
raise ValueError(f"An unhandled literal ({inp!r}) in an if/else chain was found")
else:
raise exc
class Files_TD(TypedDict):
"""Dictionary with stat counts for the diff of a particular file.
For the :class:`~git.util.Stats.files` attribute of :class:`~git.util.Stats`
objects.
"""
insertions: int
deletions: int
lines: int
change_type: str
class Total_TD(TypedDict):
"""Dictionary with total stats from any number of files.
For the :class:`~git.util.Stats.total` attribute of :class:`~git.util.Stats`
objects.
"""
insertions: int
deletions: int
lines: int
files: int
class HSH_TD(TypedDict):
"""Dictionary carrying the same information as a :class:`~git.util.Stats` object."""
total: Total_TD
files: Dict[PathLike, Files_TD]
@runtime_checkable
class Has_Repo(Protocol):
"""Protocol for having a :attr:`repo` attribute, the repository to operate on."""
repo: "Repo"
@runtime_checkable
class Has_id_attribute(Protocol):
"""Protocol for having :attr:`_id_attribute_` used in iteration and traversal."""
_id_attribute_: str