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Commitd2f7284

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Add trailers_list and trailers_list methods to fix the commit trailers functionality. Update trailers tests.
1 parent61ed7ec commitd2f7284

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2 files changed

+126
-58
lines changed

2 files changed

+126
-58
lines changed

‎git/objects/commit.py‎

Lines changed: 79 additions & 22 deletions
Original file line numberDiff line numberDiff line change
@@ -26,6 +26,7 @@
2626
importos
2727
fromioimportBytesIO
2828
importlogging
29+
fromcollectionsimportdefaultdict
2930

3031

3132
# typing ------------------------------------------------------------------
@@ -335,8 +336,70 @@ def stats(self) -> Stats:
335336
returnStats._list_from_string(self.repo,text)
336337

337338
@property
338-
deftrailers(self)->Dict:
339-
"""Get the trailers of the message as dictionary
339+
deftrailers(self)->Dict[str,str]:
340+
"""Get the trailers of the message as a dictionary
341+
342+
Git messages can contain trailer information that are similar to RFC 822
343+
e-mail headers (see: https://git-scm.com/docs/git-interpret-trailers).
344+
345+
WARNING: This function only returns the latest instance of each trailer key
346+
and will be deprecated soon. Please see either ``Commit.trailers_list`` or ``Commit.trailers_dict``.
347+
348+
:return:
349+
Dictionary containing whitespace stripped trailer information.
350+
Only the latest instance of each trailer key.
351+
"""
352+
return {
353+
k:v[0]fork,vinself.trailers_dict.items()
354+
}
355+
356+
@property
357+
deftrailers_list(self)->List[str]:
358+
"""Get the trailers of the message as a list
359+
360+
Git messages can contain trailer information that are similar to RFC 822
361+
e-mail headers (see: https://git-scm.com/docs/git-interpret-trailers).
362+
363+
This functions calls ``git interpret-trailers --parse`` onto the message
364+
to extract the trailer information, returns the raw trailer data as a list.
365+
366+
Valid message with trailer::
367+
368+
Subject line
369+
370+
some body information
371+
372+
another information
373+
374+
key1: value1.1
375+
key1: value1.2
376+
key2 : value 2 with inner spaces
377+
378+
379+
Returned list will look like this::
380+
381+
[
382+
"key1: value1.1",
383+
"key1: value1.2",
384+
"key2 : value 2 with inner spaces",
385+
]
386+
387+
388+
:return:
389+
List containing whitespace stripped trailer information.
390+
"""
391+
cmd= ["git","interpret-trailers","--parse"]
392+
proc:Git.AutoInterrupt=self.repo.git.execute(cmd,as_process=True,istream=PIPE)# type: ignore
393+
trailer:str=proc.communicate(str(self.message).encode())[0].decode()
394+
trailer=trailer.strip()
395+
iftrailer:
396+
return [t.strip()fortintrailer.split("\n")]
397+
398+
return []
399+
400+
@property
401+
deftrailers_dict(self)->Dict[str,List[str]]:
402+
"""Get the trailers of the message as a dictionary
340403
341404
Git messages can contain trailer information that are similar to RFC 822
342405
e-mail headers (see: https://git-scm.com/docs/git-interpret-trailers).
@@ -345,42 +408,36 @@ def trailers(self) -> Dict:
345408
to extract the trailer information. The key value pairs are stripped of
346409
leading and trailing whitespaces before they get saved into a dictionary.
347410
348-
Valid message with trailer:
349-
350-
.. code-block::
411+
Valid message with trailer::
351412
352413
Subject line
353414
354415
some body information
355416
356417
another information
357418
358-
key1: value1
419+
key1: value1.1
420+
key1: value1.2
359421
key2 : value 2 with inner spaces
360422
361-
dictionary will look like this:
362423
363-
.. code-block::
424+
Returned dictionary will look like this::
364425
365426
{
366-
"key1": "value1",
367-
"key2": "value 2 with inner spaces"
427+
"key1":["value1.1", "value1.2"],
428+
"key2":["value 2 with inner spaces"],
368429
}
369430
370-
:return: Dictionary containing whitespace stripped trailer information
371431
432+
:return:
433+
Dictionary containing whitespace stripped trailer information.
434+
Mapping trailer keys to a list of their corresponding values.
372435
"""
373-
d= {}
374-
cmd= ["git","interpret-trailers","--parse"]
375-
proc:Git.AutoInterrupt=self.repo.git.execute(cmd,as_process=True,istream=PIPE)# type: ignore
376-
trailer:str=proc.communicate(str(self.message).encode())[0].decode()
377-
iftrailer.endswith("\n"):
378-
trailer=trailer[0:-1]
379-
iftrailer!="":
380-
forlineintrailer.split("\n"):
381-
key,value=line.split(":",1)
382-
d[key.strip()]=value.strip()
383-
returnd
436+
d=defaultdict(list)
437+
fortrailerinself.trailers_list:
438+
key,value=trailer.split(":",1)
439+
d[key.strip()].append(value.strip())
440+
returndict(d)
384441

385442
@classmethod
386443
def_iter_from_process_or_stream(cls,repo:"Repo",proc_or_stream:Union[Popen,IO])->Iterator["Commit"]:

‎test/test_commit.py‎

Lines changed: 47 additions & 36 deletions
Original file line numberDiff line numberDiff line change
@@ -494,52 +494,63 @@ def test_datetimes(self):
494494

495495
deftest_trailers(self):
496496
KEY_1="Hello"
497-
VALUE_1="World"
497+
VALUE_1_1="World"
498+
VALUE_1_2="Another-World"
498499
KEY_2="Key"
499500
VALUE_2="Value with inner spaces"
500501

501-
# Check if KEY 1 & 2 with Value 1 & 2 is extracted from multiple msg variations
502-
msgs= []
503-
msgs.append(f"Subject\n\n{KEY_1}:{VALUE_1}\n{KEY_2}:{VALUE_2}\n")
504-
msgs.append(f"Subject\n\nSome body of a function\n\n{KEY_1}:{VALUE_1}\n{KEY_2}:{VALUE_2}\n")
505-
msgs.append(
506-
f"Subject\n\nSome body of a function\n\nnon-key: non-value\n\n{KEY_1}:{VALUE_1}\n{KEY_2}:{VALUE_2}\n"
507-
)
508-
msgs.append(
509-
f"Subject\n\nSome multiline\n body of a function\n\nnon-key: non-value\n\n{KEY_1}:{VALUE_1}\n{KEY_2} :{VALUE_2}\n"
510-
)
511-
502+
# Check the following trailer example is extracted from multiple msg variations
503+
TRAILER=f"{KEY_1}:{VALUE_1_1}\n{KEY_2}:{VALUE_2}\n{KEY_1}:{VALUE_1_2}"
504+
msgs= [
505+
f"Subject\n\n{TRAILER}\n",
506+
f"Subject\n\nSome body of a function\n\n{TRAILER}\n",
507+
f"Subject\n\nSome body of a function\n\nnon-key: non-value\n\n{TRAILER}\n",
508+
(
509+
# check when trailer has inconsistent whitespace
510+
f"Subject\n\nSome multiline\n body of a function\n\nnon-key: non-value\n\n"
511+
f"{KEY_1}:{VALUE_1_1}\n{KEY_2} :{VALUE_2}\n{KEY_1}:{VALUE_1_2}\n"
512+
),
513+
]
512514
formsginmsgs:
513-
commit=self.rorepo.commit("master")
514-
commit=copy.copy(commit)
515+
commit=copy.copy(self.rorepo.commit("master"))
515516
commit.message=msg
516-
assertKEY_1incommit.trailers.keys()
517-
assertKEY_2incommit.trailers.keys()
518-
assertcommit.trailers[KEY_1]==VALUE_1
519-
assertcommit.trailers[KEY_2]==VALUE_2
520-
521-
# Check that trailer stays empty for multiple msg combinations
522-
msgs= []
523-
msgs.append(f"Subject\n")
524-
msgs.append(f"Subject\n\nBody with some\nText\n")
525-
msgs.append(f"Subject\n\nBody with\nText\n\nContinuation but\n doesn't contain colon\n")
526-
msgs.append(f"Subject\n\nBody with\nText\n\nContinuation but\n only contains one :\n")
527-
msgs.append(f"Subject\n\nBody with\nText\n\nKey: Value\nLine without colon\n")
528-
msgs.append(f"Subject\n\nBody with\nText\n\nLine without colon\nKey: Value\n")
517+
assertcommit.trailers_list== [
518+
f"{KEY_1}:{VALUE_1_1}",
519+
f"{KEY_2}:{VALUE_2}",
520+
f"{KEY_1}:{VALUE_1_2}",
521+
]
522+
assertcommit.trailers_dict== {
523+
KEY_1: [VALUE_1_1,VALUE_1_2],
524+
KEY_2: [VALUE_2],
525+
}
526+
assertcommit.trailers== {
527+
KEY_1:VALUE_1_1,
528+
KEY_2:VALUE_2,
529+
}
530+
531+
# check that trailer stays empty for multiple msg combinations
532+
msgs= [
533+
f"Subject\n",
534+
f"Subject\n\nBody with some\nText\n",
535+
f"Subject\n\nBody with\nText\n\nContinuation but\n doesn't contain colon\n",
536+
f"Subject\n\nBody with\nText\n\nContinuation but\n only contains one :\n",
537+
f"Subject\n\nBody with\nText\n\nKey: Value\nLine without colon\n",
538+
f"Subject\n\nBody with\nText\n\nLine without colon\nKey: Value\n",
539+
]
529540

530541
formsginmsgs:
531-
commit=self.rorepo.commit("master")
532-
commit=copy.copy(commit)
542+
commit=copy.copy(self.rorepo.commit("master"))
533543
commit.message=msg
534-
assertlen(commit.trailers.keys())==0
544+
assertcommit.trailers_list== []
545+
assertcommit.trailers_dict== {}
546+
assertcommit.trailers== {}
535547

536548
# check that only the last key value paragraph is evaluated
537-
commit=self.rorepo.commit("master")
538-
commit=copy.copy(commit)
539-
commit.message=f"Subject\n\nMultiline\nBody\n\n{KEY_1}:{VALUE_1}\n\n{KEY_2}:{VALUE_2}\n"
540-
assertKEY_1notincommit.trailers.keys()
541-
assertKEY_2incommit.trailers.keys()
542-
assertcommit.trailers[KEY_2]==VALUE_2
549+
commit=copy.copy(self.rorepo.commit("master"))
550+
commit.message=f"Subject\n\nMultiline\nBody\n\n{KEY_1}:{VALUE_1_1}\n\n{KEY_2}:{VALUE_2}\n"
551+
assertcommit.trailers_list== [f"{KEY_2}:{VALUE_2}"]
552+
assertcommit.trailers_dict== {KEY_2: [VALUE_2]}
553+
assertcommit.trailers== {KEY_2:VALUE_2}
543554

544555
deftest_commit_co_authors(self):
545556
commit=copy.copy(self.rorepo.commit("4251bd5"))

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