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Commit5778b7a

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Use LBYL for imports where EAFP is a mypy type error
The conditional imports of Literal from either typing ortyping_extensions have to be done with if-else on the Pythonversion rather than with try-except, or it is a static type error.This makes that change, checking sys.version_info.(See discussion in#1861 and#1862 for broader context andbackground on why this logic, before and after this change, isrepeated across multiple modules.)This also reorders/regroups imports for consistency in some places,especially where a new import of the sys module (for version_info)would otherwise exacerbate inconsistency.Since the merge commit0b99041, the number of mypy errors hadincreased from 5 to 10. This fixes all the new mypy errors, so thecount is back to 5.
1 parent74f3c2e commit5778b7a

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5 files changed

+43
-42
lines changed

5 files changed

+43
-42
lines changed

‎git/objects/blob.py‎

Lines changed: 4 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -4,12 +4,13 @@
44
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
55

66
frommimetypesimportguess_type
7-
from .importbase
7+
importsys
88

9+
from .importbase
910

10-
try:
11+
ifsys.version_info>= (3,8):
1112
fromtypingimportLiteral
12-
exceptImportError:
13+
else:
1314
fromtyping_extensionsimportLiteral
1415

1516
__all__= ("Blob",)

‎git/objects/commit.py‎

Lines changed: 19 additions & 19 deletions
Original file line numberDiff line numberDiff line change
@@ -3,57 +3,57 @@
33
# This module is part of GitPython and is released under the
44
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
55

6+
fromcollectionsimportdefaultdict
67
importdatetime
8+
fromioimportBytesIO
9+
importlogging
10+
importos
711
importre
812
fromsubprocessimportPopen,PIPE
13+
importsys
14+
fromtimeimportaltzone,daylight,localtime,time,timezone
15+
916
fromgitdbimportIStream
10-
fromgit.utilimporthex_to_bin,Actor,Stats,finalize_process
11-
fromgit.diffimportDiffable
1217
fromgit.cmdimportGit
18+
fromgit.diffimportDiffable
19+
fromgit.utilimporthex_to_bin,Actor,Stats,finalize_process
1320

1421
from .treeimportTree
15-
from .importbase
1622
from .utilimport (
1723
Serializable,
1824
TraversableIterableObj,
19-
parse_date,
2025
altz_to_utctz_str,
21-
parse_actor_and_date,
2226
from_timestamp,
27+
parse_actor_and_date,
28+
parse_date,
2329
)
24-
25-
fromtimeimporttime,daylight,altzone,timezone,localtime
26-
importos
27-
fromioimportBytesIO
28-
importlogging
29-
fromcollectionsimportdefaultdict
30-
30+
from .importbase
3131

3232
# typing ------------------------------------------------------------------
3333

3434
fromtypingimport (
3535
Any,
36+
Dict,
3637
IO,
3738
Iterator,
3839
List,
3940
Sequence,
4041
Tuple,
41-
Union,
4242
TYPE_CHECKING,
43+
Union,
4344
cast,
44-
Dict,
4545
)
4646

47-
fromgit.typesimportPathLike
48-
49-
try:
47+
ifsys.version_info>= (3,8):
5048
fromtypingimportLiteral
51-
exceptImportError:
49+
else:
5250
fromtyping_extensionsimportLiteral
5351

52+
fromgit.typesimportPathLike
53+
5454
ifTYPE_CHECKING:
55-
fromgit.repoimportRepo
5655
fromgit.refsimportSymbolicReference
56+
fromgit.repoimportRepo
5757

5858
# ------------------------------------------------------------------------
5959

‎git/objects/submodule/base.py‎

Lines changed: 4 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -39,7 +39,6 @@
3939
sm_section,
4040
)
4141

42-
4342
# typing ----------------------------------------------------------------------
4443

4544
fromtypingimport (
@@ -54,13 +53,13 @@
5453
cast,
5554
)
5655

57-
fromgit.typesimportCommit_ish,PathLike,TBD
58-
59-
try:
56+
ifsys.version_info>= (3,8):
6057
fromtypingimportLiteral
61-
exceptImportError:
58+
else:
6259
fromtyping_extensionsimportLiteral
6360

61+
fromgit.typesimportCommit_ish,PathLike,TBD
62+
6463
ifTYPE_CHECKING:
6564
fromgit.indeximportIndexFile
6665
fromgit.objects.commitimportCommit

‎git/objects/tag.py‎

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -9,16 +9,18 @@
99
For lightweight tags, see the :mod:`git.refs.tag` module.
1010
"""
1111

12+
importsys
13+
1214
from .importbase
1315
from .utilimportget_object_type_by_name,parse_actor_and_date
1416
from ..utilimporthex_to_bin
1517
from ..compatimportdefenc
1618

1719
fromtypingimportList,TYPE_CHECKING,Union
1820

19-
try:
21+
ifsys.version_info>= (3,8):
2022
fromtypingimportLiteral
21-
exceptImportError:
23+
else:
2224
fromtyping_extensionsimportLiteral
2325

2426
ifTYPE_CHECKING:

‎git/objects/tree.py‎

Lines changed: 12 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -3,17 +3,16 @@
33
# This module is part of GitPython and is released under the
44
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
55

6-
fromgit.utilimportIterableList,join_path
6+
importsys
7+
78
importgit.diffasgit_diff
8-
fromgit.utilimportto_bin_sha
9+
fromgit.utilimportIterableList,join_path,to_bin_sha
910

10-
from .importutil
11-
from .baseimportIndexObject,IndexObjUnion
11+
from .baseimportIndexObjUnion,IndexObject
1212
from .blobimportBlob
13-
from .submodule.baseimportSubmodule
14-
1513
from .funimporttree_entries_from_data,tree_to_stream
16-
14+
from .submodule.baseimportSubmodule
15+
from .importutil
1716

1817
# typing -------------------------------------------------
1918

@@ -25,22 +24,22 @@
2524
Iterator,
2625
List,
2726
Tuple,
27+
TYPE_CHECKING,
2828
Type,
2929
Union,
3030
cast,
31-
TYPE_CHECKING,
3231
)
3332

34-
fromgit.typesimportPathLike
35-
36-
try:
33+
ifsys.version_info>= (3,8):
3734
fromtypingimportLiteral
38-
exceptImportError:
35+
else:
3936
fromtyping_extensionsimportLiteral
4037

38+
fromgit.typesimportPathLike
39+
4140
ifTYPE_CHECKING:
42-
fromgit.repoimportRepo
4341
fromioimportBytesIO
42+
fromgit.repoimportRepo
4443

4544
TreeCacheTup=Tuple[bytes,int,str]
4645

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