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Merge pull request #6620 from pradyunsg/slightly-improve-load_pyproject_toml 

Slightly improve load_pyproject_toml()
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Pradyun Gedam 2019-06-17 09:19:18 +05:30 committed by GitHub
parent 6ac468e4fd d5891784d1
commit 2e67cd17fb
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1 changed files with 27 additions and 26 deletions
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53
src/pip/_internal/req/req_install.py
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@ -485,41 +485,42 @@ class InstallRequirement(object):
use_pep517 attribute can be used to determine whether we should
follow the PEP 517 or legacy (setup.py) code path.
"""
pep517_data = load_pyproject_toml(
pyproject_toml_data = load_pyproject_toml(
self.use_pep517,
self.pyproject_toml,
self.setup_py,
str(self)
)
if pep517_data is None:
self.use_pep517 = False
else:
self.use_pep517 = True
requires, backend, check = pep517_data
self.requirements_to_check = check
self.pyproject_requires = requires
self.pep517_backend = Pep517HookCaller(self.setup_py_dir, backend)
self.use_pep517 = (pyproject_toml_data is not None)
# Use a custom function to call subprocesses
if not self.use_pep517:
return
requires, backend, check = pyproject_toml_data
self.requirements_to_check = check
self.pyproject_requires = requires
self.pep517_backend = Pep517HookCaller(self.setup_py_dir, backend)
# Use a custom function to call subprocesses
self.spin_message = ""
def runner(
cmd, # type: List[str]
cwd=None, # type: Optional[str]
extra_environ=None # type: Optional[Mapping[str, Any]]
):
# type: (...) -> None
with open_spinner(self.spin_message) as spinner:
call_subprocess(
cmd,
cwd=cwd,
extra_environ=extra_environ,
spinner=spinner
)
self.spin_message = ""
def runner(
cmd, # type: List[str]
cwd=None, # type: Optional[str]
extra_environ=None # type: Optional[Mapping[str, Any]]
):
# type: (...) -> None
with open_spinner(self.spin_message) as spinner:
call_subprocess(
cmd,
cwd=cwd,
extra_environ=extra_environ,
spinner=spinner
)
self.spin_message = ""
self.pep517_backend._subprocess_runner = runner
self.pep517_backend._subprocess_runner = runner
def prepare_metadata(self):
# type: () -> None