view env/lib/python3.9/site-packages/virtualenv/app_data/na.py @ 0:4f3585e2f14b draft default tip

"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author shellac
date Mon, 22 Mar 2021 18:12:50 +0000
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from __future__ import absolute_import, unicode_literals

from contextlib import contextmanager

from .base import AppData, ContentStore


class AppDataDisabled(AppData):
    """No application cache available (most likely as we don't have write permissions)"""

    transient = True
    can_update = False

    def __init__(self):
        pass

    error = RuntimeError("no app data folder available, probably no write access to the folder")

    def close(self):
        """do nothing"""

    def reset(self):
        """do nothing"""

    def py_info(self, path):
        return ContentStoreNA()

    def embed_update_log(self, distribution, for_py_version):
        return ContentStoreNA()

    def extract(self, path, to_folder):
        raise self.error

    @contextmanager
    def locked(self, path):
        """do nothing"""
        yield

    @property
    def house(self):
        raise self.error

    def wheel_image(self, for_py_version, name):
        raise self.error

    def py_info_clear(self):
        """"""


class ContentStoreNA(ContentStore):
    def exists(self):
        return False

    def read(self):
        """"""
        return None

    def write(self, content):
        """"""

    def remove(self):
        """"""

    @contextmanager
    def locked(self):
        yield