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"""Deployment helpers.
"""
from os.path import join as join_path
from fabric.api import *
from fabric.contrib import files
def ve_run(cmd):
"""Runs a command inside the activated virtualenv.
"""
require('root', provided_by=['setups.stage', 'setups.production'])
with prefix('source %(root)s/bin/activate' % env):
run(cmd)
def manage(cmd):
"""Runs a command with manage.py.
"""
require('manage_py', provided_by=['setups.stage', 'setups.production'])
ve_run('%s %s' % (env.manage_py, cmd))
def update_project():
"""Updates the project source.
"""
require('src_root', provided_by=['setups.stage', 'setups.production'])
require('git_branch', provided_by=['setups.stage', 'setups.production'])
if files.exists(env.src_root):
with cd(env.src_root):
run('git pull origin %(git_branch)s' % env)
else:
run('git clone -b %(git_branch)s %(git_url)s %(src_root)s' % env)
def link_settings():
"""Links the appropriate settings.
"""
require('stage', provided_by=['setups.stage', 'setups.production'])
require('config', provided_by=['setups.stage', 'setups.production'])
require('proj_root', provided_by=['setups.stage', 'setups.production'])
if env.stage:
host_settings = join_path(env.config, '%(host)s_stage.py' % env)
else:
host_settings = join_path(env.config, '%(host)s.py' % env)
settings = join_path(env.proj_root, 'local_settings.py')
if files.exists(host_settings):
run('ln -sf %s %s' % (host_settings, settings))
else:
abort('No host specific settings file found. Create one at %s' % host_settings)
def collect_static():
"""Collects all static files.
"""
manage('collectstatic --noinput')
@task
def syncdb():
"""Runs the syncdb management command.
"""
manage('syncdb --noinput')
@task
def migrate(app_name=None):
"""Runs the migrations for one or all apps.
"""
if app_name is None:
manage('migrate')
else:
manage('migrate %s' % app_name)
@task(alias='id')
def identify():
"""Identifes the deployed project.
Displays the deployed project version, all Python packages installed inside
the virtualenv and the state of the migrations.
"""
require('proj_root', provided_by=['setups.stage', 'setups.production'])
with cd(env.proj_root):
run('git log -1')
ve_run('pip freeze')
manage('migrate -list')
@task(alias='install')
def install_requirements():
"""Installs the requirements.
"""
require('pip_file', provided_by=['setups.stage', 'setups.production'])
ve_run('pip install -r %(pip_file)s' % env)
@task(alias='load')
def load_fixture(fixture_path):
"""Loads one or more fixtures."""
manage('loaddata %s' % fixture_path)
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