def is_virtualenv_installed_in_user():
"""
检查virtualenv是否在系统目录安装
"""
with settings(warn_only=True):
return exists('~/.local/bin/virtualenv')
def kill_by_name(name):
"""
停止指定特征的进程
"""
with settings(warn_only=True):
run("ps aux | grep '%s' | grep -v 'grep' | awk '{print $2}' | xargs kill -9" % name)
def is_virtualenv_installed_in_user():
"""
检查virtualenv是否在系统目录安装
"""
with settings(warn_only=True):
return exists('~/.local/bin/virtualenv')
def is_virtualenv_installed_in_system():
"""
检查virtualenv是否在系统目录安装
"""
with settings(warn_only=True):
return 'no virtualenv' not in run('which virtualenv') or \
'which' not in run('which virtualenv')
def kill_by_name(name):
"""
停止指定特征的进程
"""
with settings(warn_only=True):
run("ps aux | grep '%s' | grep -v 'grep' | awk '{print $2}' | xargs kill -9"
% name)
def is_virtualenv_installed_in_system():
"""
检查virtualenv是否在系统目录安装
"""
with settings(warn_only=True):
return 'no virtualenv' not in run('which virtualenv') or \
'which' not in run('which virtualenv')
def _supervisor_command(command, venv_dir=None):
if venv_dir:
with virtualenv.activate(venv_dir):
_supervisor_command(command)
if not 'CURRENT_VIRTUAL_ENV_DIR' in env:
raise Exception(u'只可以在虚拟环境安装Python包')
venv_dir = env.CURRENT_VIRTUAL_ENV_DIR
# 停止supervisor管理的进程
with settings(warn_only=True), cd(venv_dir):
run('bin/supervisorctl -c etc/supervisord.conf ' + command)
def _supervisor_command(command, venv_dir=None):
if venv_dir:
with virtualenv.activate(venv_dir):
_supervisor_command(command)
if not 'CURRENT_VIRTUAL_ENV_DIR' in env:
raise Exception(u'只可以在虚拟环境安装Python包')
venv_dir = env.CURRENT_VIRTUAL_ENV_DIR
# 停止supervisor管理的进程
with settings(warn_only=True), cd(venv_dir):
run('bin/supervisorctl -c etc/supervisord.conf ' + command)
def start(venv_dir=None):
"""重启指定虚拟环境的supervisor"""
if venv_dir:
with virtualenv.activate(venv_dir):
start()
if not 'CURRENT_VIRTUAL_ENV_DIR' in env:
raise Exception(u'只可以在虚拟环境安装Python包')
venv_dir = env.CURRENT_VIRTUAL_ENV_DIR
with settings(warn_only=True), cd(venv_dir):
# 停止supervisor管理的进程
run('bin/supervisord -c etc/supervisord.conf ')
def is_installed(package):
"""检查Python包是否被安装
注意：只能在虚拟Python环境中执行
"""
if not 'CURRENT_VIRTUAL_ENV_DIR' in env:
raise Exception(u'只可以在虚拟环境安装Python包')
venv_dir = env.CURRENT_VIRTUAL_ENV_DIR
with settings(warn_only=True):
res = run('%(venv_dir)s/bin/pip freeze' % locals())
packages = [line.split('==')[0].lower() for line in res.splitlines()]
return package.lower() in packages
def start(venv_dir=None):
"""重启指定虚拟环境的supervisor"""
if venv_dir:
with virtualenv.activate(venv_dir):
start()
if not 'CURRENT_VIRTUAL_ENV_DIR' in env:
raise Exception(u'只可以在虚拟环境安装Python包')
venv_dir = env.CURRENT_VIRTUAL_ENV_DIR
with settings(warn_only=True), cd(venv_dir):
# 停止supervisor管理的进程
run('bin/supervisord -c etc/supervisord.conf ')
def is_installed(package):
"""检查Python包是否被安装
注意：只能在虚拟Python环境中执行
"""
if not 'CURRENT_VIRTUAL_ENV_DIR' in env:
raise Exception(u'只可以在虚拟环境安装Python包')
venv_dir = env.CURRENT_VIRTUAL_ENV_DIR
with settings(warn_only=True):
res = run('%(venv_dir)s/bin/pip freeze' % locals())
packages = [line.split('==')[0].lower() for line in res.splitlines()]
return package.lower() in packages
def sync(*packages):
"""从http://pypi.python.org同步包
用法:
fab pypi.sync:django==1.3,tornado
"""
config.check('PYPI_HOST',
'PYPI_USER',
'PYPI_ROOT')
with settings(host_string=env.PYPI_HOST, user=env.PYPI_USER):
cmd = ["pip", "-q", "install", "--no-deps", "-i", "https://pypi.python.org/simple",
"-d", env.PYPI_ROOT,
' '.join(packages)]
run(" ".join(cmd))
def sync(*packages):
"""从http://pypi.python.org同步包
用法:
fab pypi.sync:django==1.3,tornado
"""
config.check('PYPI_HOST', 'PYPI_USER', 'PYPI_ROOT')
with settings(host_string=env.PYPI_HOST, user=env.PYPI_USER):
cmd = [
"pip", "-q", "install", "--no-deps", "-i",
"https://pypi.python.org/simple", "-d", env.PYPI_ROOT,
' '.join(packages)
]
run(" ".join(cmd))
