virtualenv_1.7.py 文件源码

def install_activate(home_dir, bin_dir, prompt=None):
    if sys.platform == 'win32' or is_jython and os._name == 'nt':
        files = {'activate.bat': ACTIVATE_BAT,
                 'deactivate.bat': DEACTIVATE_BAT}
        if os.environ.get('OS') == 'Windows_NT' and os.environ.get('OSTYPE') == 'cygwin':
            files['activate'] = ACTIVATE_SH
    else:
        files = {'activate': ACTIVATE_SH}

        # suppling activate.fish in addition to, not instead of, the
        # bash script support.
        files['activate.fish'] = ACTIVATE_FISH

        # same for csh/tcsh support...
        files['activate.csh'] = ACTIVATE_CSH



    files['activate_this.py'] = ACTIVATE_THIS
    home_dir = os.path.abspath(home_dir)
    if hasattr(home_dir, 'decode'):
        home_dir = home_dir.decode(sys.getfilesystemencoding())
    vname = os.path.basename(home_dir)
    for name, content in files.items():
        content = content.replace('__VIRTUAL_PROMPT__', prompt or '')
        content = content.replace('__VIRTUAL_WINPROMPT__', prompt or '(%s)' % vname)
        content = content.replace('__VIRTUAL_ENV__', home_dir)
        content = content.replace('__VIRTUAL_NAME__', vname)
        content = content.replace('__BIN_NAME__', os.path.basename(bin_dir))
        writefile(os.path.join(bin_dir, name), content)