| import os |
| import sys |
| import logging |
| from distutils.spawn import find_executable |
| |
| from tools.wpt.utils import call |
| |
| logger = logging.getLogger(__name__) |
| |
| class Virtualenv(object): |
| def __init__(self, path): |
| self.path = path |
| self.virtualenv = find_executable("virtualenv") |
| if not self.virtualenv: |
| raise ValueError("virtualenv must be installed and on the PATH") |
| |
| @property |
| def exists(self): |
| return os.path.isdir(self.path) |
| |
| def create(self): |
| if os.path.exists(self.path): |
| shutil.rmtree(self.path) |
| call(self.virtualenv, self.path) |
| |
| @property |
| def bin_path(self): |
| if sys.platform in ("win32", "cygwin"): |
| return os.path.join(self.path, "Scripts") |
| return os.path.join(self.path, "bin") |
| |
| @property |
| def pip_path(self): |
| path = find_executable("pip", self.bin_path) |
| if path is None: |
| raise ValueError("pip not found") |
| return path |
| |
| def activate(self): |
| path = os.path.join(self.bin_path, "activate_this.py") |
| execfile(path, {"__file__": path}) |
| |
| def start(self): |
| if not self.exists: |
| self.create() |
| self.activate() |
| |
| def install(self, *requirements): |
| call(self.pip_path, "install", *requirements) |
| |
| def install_requirements(self, requirements_path): |
| call(self.pip_path, "install", "-r", requirements_path) |
