upstream/mercurial-mirror Files · mercurial/interfaces/util.py

dirstate-v2: no longer register the data-file during transaction...

dirstate-v2: no longer register the data-file during transaction If the data file change during the transaction, we cannot truncate it. The content of the file itself is fine as it will get backed up at the same time as the docket. Leaving the trailing data at the end of failed transaction is fine. The dirstate-v2 format supports it. The dead data will simply we written over if necessary.

Gregory Szorc - - Load All Authors

File last commit:

r49801:642e31cb default


                r50364:b5c85248

6.2.2 stable

Download file

             util.py
        
                    37 lines
            
             | 1009 B
            
                | text/x-python
            
             |
                PythonLexer
            
             / mercurial / interfaces / util.py
          
                    History
                
                 |
                  Annotation
                 | Raw
                 |Copy content
                 |Copy permalink

      # util.py - Utilities for declaring interfaces.

      #

      # Copyright 2018 Gregory Szorc <gregory.szorc@gmail.com>

      #

      # This software may be used and distributed according to the terms of the

      # GNU General Public License version 2 or any later version.

      # zope.interface imposes a run-time cost due to module import overhead and

      # bookkeeping for declaring interfaces. So, we use stubs for various

      # zope.interface primitives unless instructed otherwise.

      from .. import encoding

      if encoding.environ.get(b'HGREALINTERFACES'):

          from ..thirdparty.zope import interface as zi

          Attribute = zi.Attribute

          Interface = zi.Interface

          implementer = zi.implementer

      else:

          class Attribute:

              def __init__(self, __name__, __doc__=b''):

                  pass

          class Interface:

              def __init__(

                  self, name, bases=(), attrs=None, __doc__=None, __module__=None

              ):

                  pass

          def implementer(*ifaces):

              def wrapper(cls):

                  return cls

              return wrapper

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

				# util.py - Utilities for declaring interfaces.
				#
				# Copyright 2018 Gregory Szorc <gregory.szorc@gmail.com>
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.

				# zope.interface imposes a run-time cost due to module import overhead and
				# bookkeeping for declaring interfaces. So, we use stubs for various
				# zope.interface primitives unless instructed otherwise.


				from .. import encoding

				if encoding.environ.get(b'HGREALINTERFACES'):
				from ..thirdparty.zope import interface as zi

				Attribute = zi.Attribute
				Interface = zi.Interface
				implementer = zi.implementer
				else:

				class Attribute:
				def __init__(self, __name__, __doc__=b''):
				pass

				class Interface:
				def __init__(
				self, name, bases=(), attrs=None, __doc__=None, __module__=None
				):
				pass

				def implementer(*ifaces):
				def wrapper(cls):
				return cls

				return wrapper