workflow.py 文件源码

def workflowdir(self):
        """Path to workflow's root directory (where ``info.plist`` is).

        :returns: full path to workflow root directory
        :rtype: ``unicode``

        """
        if not self._workflowdir:
            # Try the working directory first, then the directory
            # the library is in. CWD will be the workflow root if
            # a workflow is being run in Alfred
            candidates = [
                os.path.abspath(os.getcwdu()),
                os.path.dirname(os.path.abspath(os.path.dirname(__file__)))]

            # climb the directory tree until we find `info.plist`
            for dirpath in candidates:

                # Ensure directory path is Unicode
                dirpath = self.decode(dirpath)

                while True:
                    if os.path.exists(os.path.join(dirpath, 'info.plist')):
                        self._workflowdir = dirpath
                        break

                    elif dirpath == '/':
                        # no `info.plist` found
                        break

                    # Check the parent directory
                    dirpath = os.path.dirname(dirpath)

                # No need to check other candidates
                if self._workflowdir:
                    break

            if not self._workflowdir:
                raise IOError("'info.plist' not found in directory tree")

        return self._workflowdir