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add support for specifying pip requirements files in additional_dependencies for python

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Jeremy Zafran 2017-02-23 13:48:46 -05:00
parent 41dcaff3fb
commit 15196678a5
1 changed files with 19 additions and 1 deletions
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20
pre_commit/languages/python.py
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@ -73,10 +73,28 @@ def install_environment(
else:
venv_cmd.extend(['-p', os.path.realpath(sys.executable)])
repo_cmd_runner.run(venv_cmd, cwd='/')
# Determine if items in additional_dependencies are pip requirements
# files or package names
packages = []
requirements_files = []
for dependency in additional_dependencies:
if dependency.startswith('file:'):
requirements_files.append(dependency.split('file:', 1)[1])
else:
packages.append(dependency)
with in_env(repo_cmd_runner, version):
if requirements_files:
helpers.run_setup_cmd(
repo_cmd_runner,
('pip', 'install', '.') + additional_dependencies,
('pip', 'install') +
tuple('-r{}'.format(req_file)
for req_file in requirements_files),
)
helpers.run_setup_cmd(
repo_cmd_runner,
('pip', 'install', '.') + tuple(packages),
)