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50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
import contextlib
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from plumbum import local
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from pre_commit.languages import helpers
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from pre_commit.languages import python
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NODE_ENV = 'node_env'
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class NodeEnv(python.PythonEnv):
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@property
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def env_prefix(self):
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base = super(NodeEnv, self).env_prefix
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return ' '.join([base, '. {0}/bin/activate &&'.format(NODE_ENV)])
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@contextlib.contextmanager
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def in_env():
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yield NodeEnv()
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def install_environment():
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assert local.path('package.json').exists()
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if local.path(NODE_ENV).exists():
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return
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local['virtualenv'][python.PY_ENV]()
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with python.in_env() as python_env:
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python_env.run('pip install nodeenv')
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try:
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# Try and use the system level node executable first
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python_env.run('nodeenv -n system {0}'.format(NODE_ENV))
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except Exception:
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# TODO: log exception here
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# cleanup
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local.path(NODE_ENV).remove()
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python_env.run('nodeenv --jobs 4 {0}'.format(NODE_ENV))
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with in_env() as node_env:
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node_env.run('npm install -g')
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def run_hook(hook, file_args):
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with in_env() as node_env:
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return helpers.run_hook(node_env, hook, file_args)
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