本文整理汇总了Python中traitlets.config.Config.pop方法的典型用法代码示例。如果您正苦于以下问题：Python Config.pop方法的具体用法？Python Config.pop怎么用？Python Config.pop使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类traitlets.config.Config的用法示例。
在下文中一共展示了Config.pop方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _uninstall_pre_config
# 需要导入模块: from traitlets.config import Config [as 别名]
# 或者: from traitlets.config.Config import pop [as 别名]
def _uninstall_pre_config(logger=None):
"""Undo config settings inserted by an old (pre-themysto) installation."""
# for application json config files
cm = BaseJSONConfigManager(config_dir=jupyter_config_dir())
# -------------------------------------------------------------------------
# notebook json config
config_basename = 'jupyter_notebook_config'
config = Config(cm.get(config_basename))
config_path = cm.file_name(config_basename)
if config and logger:
logger.info('- Removing old config values from {}'.format(config_path))
to_remove = ['nbextensions']
# remove from notebook >= 4.2 key nbserver_extensions
section = config.get('NotebookApp', Config())
server_extensions = section.get('nbserver_extensions', {})
for se in to_remove:
server_extensions.pop(se, None)
if len(server_extensions) == 0:
section.pop('nbserver_extensions', None)
# and notebook < 4.2 key server_extensions
_update_config_list(
config, 'NotebookApp.server_extensions', to_remove, False)
_update_config_list(config, 'NotebookApp.extra_template_paths', [
os.path.join(jupyter_data_dir(), 'templates'),
], False)
_set_managed_config(cm, config_basename, config, logger)
# -------------------------------------------------------------------------
# nbconvert json config
config_basename = 'jupyter_nbconvert_config'
config = Config(cm.get(config_basename))
if config and logger:
logger.info('- Removing old config values from {}'.format(config_path))
_update_config_list(config, 'Exporter.template_path', [
'.', os.path.join(jupyter_data_dir(), 'templates'),
], False)
_update_config_list(config, 'Exporter.preprocessors', [
'pre_codefolding.CodeFoldingPreprocessor',
'pre_pymarkdown.PyMarkdownPreprocessor',
], False)
section = config.get('NbConvertApp', {})
if (section.get('postprocessor_class') ==
'post_embedhtml.EmbedPostProcessor'):
section.pop('postprocessor_class', None)
if len(section) == 0:
config.pop('NbConvertApp', None)
_set_managed_config(cm, config_basename, config, logger)
# -------------------------------------------------------------------------
# Remove old config lines from .py configuration files
for config_basename in ('jupyter_notebook_config.py',
'jupyter_nbconvert_config.py'):
py_config_path = os.path.join(jupyter_config_dir(), config_basename)
if not os.path.isfile(py_config_path):
continue
if logger:
logger.info(
'-- Removing now-empty config file {}'.format(py_config_path))
with io.open(py_config_path, 'r') as f:
lines = f.readlines()
marker = '#--- nbextensions configuration ---'
marker_inds = [ii for ii, l in enumerate(lines) if l.find(marker) >= 0]
if len(marker_inds) >= 2:
lines = lines[0:marker_inds[0]] + lines[marker_inds[1] + 1:]
if [l for l in lines if l.strip]:
with io.open(py_config_path, 'w') as f:
f.writelines(lines)
else:
if logger:
logger.info(
'Removing now-empty config file {}'.format(
py_config_path))
try:
os.remove(py_config_path)
except OSError as ex:
if ex.errno != errno.ENOENT:
raise