iframe-proxy | Sunbelt Computer Software

48 lines (32 loc) · 1.31 KB

from __future__ import unicode_literals

import contextlib

import sys

from pre_commit.languages import helpers

from pre_commit.util import clean_path_on_failure

ENVIRONMENT_DIR = 'node_env'

class NodeEnv(helpers.Environment):

@property

def env_prefix(self):

return ". '{{prefix}}{0}/bin/activate' &&".format(

helpers.environment_dir(ENVIRONMENT_DIR, self.language_version),

)

@contextlib.contextmanager

def in_env(repo_cmd_runner, language_version):

yield NodeEnv(repo_cmd_runner, language_version)

def install_environment(repo_cmd_runner, version='default'):

assert repo_cmd_runner.exists('package.json')

directory = helpers.environment_dir(ENVIRONMENT_DIR, version)

env_dir = repo_cmd_runner.path(directory)

with clean_path_on_failure(env_dir):

cmd = [

sys.executable, '-m', 'nodeenv', '--prebuilt',

'{{prefix}}{0}'.format(directory),

]

if version != 'default':

cmd.extend(['-n', version])

repo_cmd_runner.run(cmd)

with in_env(repo_cmd_runner, version) as node_env:

node_env.run("cd '{prefix}' && npm install -g")

def run_hook(repo_cmd_runner, hook, file_args):

with in_env(repo_cmd_runner, hook['language_version']) as env:

return helpers.run_hook(env, hook, file_args)

Sunbelt Computer Software