upstream/mercurial-mirror Files · mercurial/thirdparty/attr/exceptions.py

hgweb: display fate of obsolete changesets...

hgweb: display fate of obsolete changesets Operations that obsolete changesets store enough metadata to explain what happened after the fact. One way to get that metadata is showsuccsandmarkers function, which returns a list of successors of a particular changeset and appropriate obsolescence markers. Templates have a set of experimental functions that have names starting with obsfate. This patch uses some of these functions to interpret output of succsandmarkers() and produce human-friendly messages that describe what happened to an obsolete changeset, e.g. "pruned" or "rewritten as 6:3de5eca88c00". In commonentry(), succsandmarkers property is made callable so it's only executed on demand; this saves time when changeset is not obsolete, and also in e.g. /shortlog view, where there are a lot of changesets, but we don't need to show each and every one in detail. In spartan theme, succsandmarkers is used instead of the simple "obsolete: yes", in other themes a new line is added to /rev page.

Siddharth Agarwal - - Load All Authors

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      from __future__ import absolute_import, division, print_function

      class FrozenInstanceError(AttributeError):

          """

          A frozen/immutable instance has been attempted to be modified.

          It mirrors the behavior of ``namedtuples`` by using the same error message

          and subclassing :exc:`AttributeError`.

          .. versionadded:: 16.1.0

          """

          msg = "can't set attribute"

          args = [msg]

      class AttrsAttributeNotFoundError(ValueError):

          """

          An ``attrs`` function couldn't find an attribute that the user asked for.

          .. versionadded:: 16.2.0

          """

      class NotAnAttrsClassError(ValueError):

          """

          A non-``attrs`` class has been passed into an ``attrs`` function.

          .. versionadded:: 16.2.0

          """

      class DefaultAlreadySetError(RuntimeError):

          """

          A default has been set using ``attr.ib()`` and is attempted to be reset

          using the decorator.

          .. versionadded:: 17.1.0

          """

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				from __future__ import absolute_import, division, print_function


				class FrozenInstanceError(AttributeError):
				"""
				A frozen/immutable instance has been attempted to be modified.

				It mirrors the behavior of ``namedtuples`` by using the same error message
				and subclassing :exc:`AttributeError`.

				.. versionadded:: 16.1.0
				"""
				msg = "can't set attribute"
				args = [msg]


				class AttrsAttributeNotFoundError(ValueError):
				"""
				An ``attrs`` function couldn't find an attribute that the user asked for.

				.. versionadded:: 16.2.0
				"""


				class NotAnAttrsClassError(ValueError):
				"""
				A non-``attrs`` class has been passed into an ``attrs`` function.

				.. versionadded:: 16.2.0
				"""


				class DefaultAlreadySetError(RuntimeError):
				"""
				A default has been set using ``attr.ib()`` and is attempted to be reset
				using the decorator.

				.. versionadded:: 17.1.0
				"""