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chg: dev: remove usage of shell in git commands.
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@vaab
vaab committed Mar 10, 2017
1 parent 82c9ff0 commit fedee4e
Showing 1 changed file with 45 additions and 46 deletions.
91 changes: 45 additions & 46 deletions src/gitchangelog/gitchangelog.py
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Original file line number Diff line number Diff line change
Expand Up @@ -509,6 +509,11 @@ def swrap(self, *args, **kwargs):
"""Simple delegation to ``repos`` original method."""
return self._repos.swrap(*args, **kwargs)

@property
def git(self):
"""Simple delegation to ``repos`` original method."""
return self._repos.git


GIT_FORMAT_KEYS = {
'sha1': "%H",
Expand Down Expand Up @@ -540,13 +545,8 @@ class GitCommit(SubGitObjectMixin):
Initialization:
>>> def mock_swrap(str):
... global BODY, SUBJECT
... print("Called gitRepos.swrap(%r)" % str)
... if str.startswith("git rev-list"):
... return "123456" ## sha1 of first element of tree
... elif str.startswith("git log"):
... dct = {
>>> repos.git = Mock("gitRepos.git")
>>> repos.git.log.mock_returns_func = lambda *a, **kwargs: "\x00".join([{
... 'sha1': "000000",
... 'sha1_short': "000",
... 'subject': SUBJECT,
Expand All @@ -558,11 +558,8 @@ class GitCommit(SubGitObjectMixin):
... 'committer_date_timestamp': "0", ## epoch
... 'raw_body': "my subject\n\n%s" % BODY,
... 'body': BODY,
... }
... return "\x00".join([dct[key] for key in GIT_FORMAT_KEYS.keys()])
... raise NotImplementedError()
...
>>> repos.swrap = mock_swrap
... }[key] for key in GIT_FORMAT_KEYS.keys()])
>>> repos.git.rev_list.mock_returns = "123456"
Query, by attributes or items:
Expand All @@ -571,7 +568,7 @@ class GitCommit(SubGitObjectMixin):
>>> head = GitCommit(repos, "HEAD")
>>> head.subject
Called gitRepos.swrap('git log -n 1 "HEAD" --pretty=format:...')
Called gitRepos.git.log(...'HEAD'...)
'fee fie foh'
>>> head.author_name
'John Smith'
Expand All @@ -593,7 +590,7 @@ class GitCommit(SubGitObjectMixin):
>>> head = GitCommit(repos, "HEAD")
>>> head.trailer_change_id
Called gitRepos.swrap('git log -n 1 "HEAD" --pretty=format:...')
Called gitRepos.git.log(...'HEAD'...)
'1234'
>>> head.trailer_value_x
'Supports multi\nline values'
Expand All @@ -610,7 +607,7 @@ class GitCommit(SubGitObjectMixin):
>>> head = GitCommit(repos, "HEAD")
>>> head.trailer_co_authored_by
Called gitRepos.swrap('git log -n 1 "HEAD" --pretty=format:...')
Called gitRepos.git.log(...'HEAD'...)
['Bob', 'Alice', 'Jack']
Expand All @@ -629,7 +626,7 @@ class GitCommit(SubGitObjectMixin):
>>> head = GitCommit(repos, "HEAD")
>>> head.author_names
Called gitRepos.swrap('git log -n 1 "HEAD" --pretty=format:...')
Called gitRepos.git.log(...'HEAD'...)
['Alice', 'Bob', 'Jack', 'John Smith']
Notice that they are printed in alphabetical order.
Expand All @@ -656,8 +653,8 @@ def __getattr__(self, label):

identifier = self.identifier
if identifier == "LAST":
identifier = self.swrap(
"git rev-list --first-parent --max-parents=0 HEAD")
identifier = self.git.rev_list(
"HEAD", first_parent=True, max_parents="0")

## Compute only missing information
missing_attrs = [l for l in attrs if not l in self.__dict__]
Expand All @@ -666,9 +663,8 @@ def __getattr__(self, label):
aformat = "%x00".join(GIT_FORMAT_KEYS[l]
for l in missing_attrs)
try:
ret = self.swrap("git log -n 1 %s --pretty=format:%s --"
% (protect_rev(identifier),
protect_rev(aformat)))
ret = self.git.log([identifier, "--max-count=1",
"--pretty=format:%s" % aformat, "--"])
except ShellError:
if DEBUG:
raise
Expand Down Expand Up @@ -726,8 +722,7 @@ def __le__(self, value):
if not isinstance(value, GitCommit):
value = self._repos.commit(value)
try:
self.swrap("git merge-base --is-ancestor %s %s"
% (self.sha1, value.sha1))
self.git.merge_base(value.sha1, is_ancestor=self.sha1)
return True
except ShellError as e:
if e.errlvl != 1:
Expand Down Expand Up @@ -776,18 +771,18 @@ class GitConfig(SubGitObjectMixin):
Query, by attributes or items:
>>> repos.swrap.mock_returns = "bar"
>>> repos.git.config.mock_returns = "bar"
>>> cfg.foo
Called gitRepos.swrap('git config "foo"')
Called gitRepos.git.config('foo')
'bar'
>>> cfg["foo"]
Called gitRepos.swrap('git config "foo"')
Called gitRepos.git.config('foo')
'bar'
>>> cfg.get("foo")
Called gitRepos.swrap('git config "foo"')
Called gitRepos.git.config('foo')
'bar'
>>> cfg["foo.wiz"]
Called gitRepos.swrap('git config "foo.wiz"')
Called gitRepos.git.config('foo.wiz')
'bar'
Notice that you can't use attribute search in subsection as ``cfg.foo.wiz``
Expand All @@ -797,20 +792,20 @@ class GitConfig(SubGitObjectMixin):
Nevertheless, you can do:
>>> getattr(cfg, "foo.wiz")
Called gitRepos.swrap('git config "foo.wiz"')
Called gitRepos.git.config('foo.wiz')
'bar'
Default values
--------------
get item, and getattr default values can be used:
>>> del repos.swrap.mock_returns
>>> repos.swrap.mock_raises = ShellError('Key not found',
... errlvl=1, out="", err="")
>>> del repos.git.config.mock_returns
>>> repos.git.config.mock_raises = ShellError('Key not found',
... errlvl=1, out="", err="")
>>> getattr(cfg, "foo", "default")
Called gitRepos.swrap('git config "foo"')
Called gitRepos.git.config('foo')
'default'
>>> cfg["foo"] ## doctest: +ELLIPSIS
Expand All @@ -824,11 +819,11 @@ class GitConfig(SubGitObjectMixin):
AttributeError...
>>> cfg.get("foo", "default")
Called gitRepos.swrap('git config "foo"')
Called gitRepos.git.config('foo')
'default'
>>> print("%r" % cfg.get("foo"))
Called gitRepos.swrap('git config "foo"')
Called gitRepos.git.config('foo')
None
"""
Expand All @@ -837,9 +832,8 @@ def __init__(self, repos):
super(GitConfig, self).__init__(repos)

def __getattr__(self, label):
cmd = "git config %s" % protect_rev(str(label))
try:
res = self.swrap(cmd)
res = self.git.config(label)
except ShellError as e:
if e.errlvl == 1 and e.out == "":
raise AttributeError("key %r is not found in git config."
Expand All @@ -860,7 +854,12 @@ def __getitem__(self, label):
class GitCmd(SubGitObjectMixin):

def __getattr__(self, label):
label = label.replace("_", "-")

def method(*args, **kwargs):
if (len(args) == 1 and len(kwargs) == 0 and
not isinstance(args[0], basestring)):
return self.swrap(['git', label, ] + args[0], shell=False)
cli_args = []
for key, value in kwargs.items():
cli_key = (("-%s" if len(key) == 1 else "--%s")
Expand All @@ -885,7 +884,7 @@ def __init__(self, path):

## verify ``git`` command is accessible:
try:
self._git_version = self.swrap("git version")
self._git_version = self.git.version()
except ShellError:
if DEBUG:
raise
Expand All @@ -895,19 +894,19 @@ def __init__(self, path):

## verify that we are in a git repository
try:
self.swrap("git remote")
self.git.remote()
except ShellError:
if DEBUG:
raise
raise EnvironmentError(
"Not in a git repository. (calling ``git remote`` failed.)")

self.bare = self.swrap("git rev-parse --is-bare-repository") == "true"
self.toplevel = None if self.bare else \
self.swrap("git rev-parse --show-toplevel")
self.bare = self.git.rev_parse(is_bare_repository=True) == "true"
self.toplevel = (None if self.bare else
self.git.rev_parse(show_toplevel=True))
self.gitdir = normpath(
os.path.join(self._orig_path,
self.swrap("git rev-parse --git-dir")))
self.git.rev_parse(git_dir=True)))

@classmethod
def create(cls, dir, *args, **kwargs):
Expand Down Expand Up @@ -953,9 +952,9 @@ def tags(self, contains=None):
"""
if contains:
tags = self.swrap("git tag -l --contains %s" % protect_rev(contains)).split("\n")
tags = self.git.tag(contains=contains).split("\n")
else:
tags = self.swrap('git tag -l').split("\n")
tags = self.git.tag().split("\n")
## Should we use new version name sorting ? refering to :
## ``git tags --sort -v:refname`` in git version >2.0.
## Sorting and reversing with command line is not available on
Expand Down Expand Up @@ -1469,7 +1468,7 @@ def get_revision(repository, config, opts):
"'str' type is required, and a %r was given."
% type(rev).__name__)
try:
repository.swrap("git rev-parse --rev-only %s --" % protect_rev(rev))
repository.git.rev_parse([rev, "--rev_only", "--"])
except ShellError:
if DEBUG:
raise
Expand Down

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