py3: use class X: instead of class X(object):

The inheritance from object is implied in Python 3. So this should
be equivalent.

This change was generated via an automated search and replace. So there
may have been some accidental changes.

Differential Revision: https://phab.mercurial-scm.org/D12352

contrib/check-code.py

@@ -758,7 +758,7 def _preparepats():
             preparefilters(filters)
 
 
-class norepeatlogger(object):
+class norepeatlogger:
     def __init__(self):
         self._lastseen = None
 

contrib/fuzz/mpatch_corpus.py

@@ -20,7 +20,7 args = ap.parse_args()
 
 if sys.version_info[0] < 3:
 
-    class py2reprhack(object):
+    class py2reprhack:
         def __repr__(self):
             """Py2 calls __repr__ for `bytes(foo)`, forward to __bytes__"""
             return self.__bytes__()
@@ -28,7 +28,7 if sys.version_info[0] < 3:
 
 else:
 
-    class py2reprhack(object):
+    class py2reprhack:
         """Not needed on py3."""
 
 

contrib/hgclient.py

@@ -49,7 +49,7 def connectpipe(path=None, extraargs=())
     return server
 
 
-class unixconnection(object):
+class unixconnection:
     def __init__(self, sockpath):
         self.sock = sock = socket.socket(socket.AF_UNIX)
         sock.connect(sockpath)
@@ -62,7 +62,7 class unixconnection(object):
         self.sock.close()
 
 
-class unixserver(object):
+class unixserver:
     def __init__(self, sockpath, logpath=None, repopath=None):
         self.sockpath = sockpath
         cmdline = [b'hg', b'serve', b'--cmdserver', b'unix', b'-a', sockpath]

contrib/perf.py

@@ -369,7 +369,7 def getlen(ui):
     return len
 
 
-class noop(object):
+class noop:
     """dummy context manager"""
 
     def __enter__(self):
@@ -413,7 +413,7 def gettimer(ui, opts=None):
         # available since 2.2 (or ae5f92e154d3)
         from mercurial import node
 
-        class defaultformatter(object):
+        class defaultformatter:
             """Minimized composition of baseformatter and plainformatter"""
 
             def __init__(self, ui, topic, opts):
@@ -652,7 +652,7 def safeattrsetter(obj, name, ignoremiss
 
     origvalue = getattr(obj, _sysstr(name))
 
-    class attrutil(object):
+    class attrutil:
         def set(self, newvalue):
             setattr(obj, _sysstr(name), newvalue)
 
@@ -2942,7 +2942,7 def perfrevlogwrite(ui, repo, file_=None
     fm.end()
 
 
-class _faketr(object):
+class _faketr:
     def add(s, x, y, z=None):
         return None
 

contrib/testparseutil.py

@@ -79,7 +79,7 def writeerr(data):
 ####################
 
 
-class embeddedmatcher(object):  # pytype: disable=ignored-metaclass
+class embeddedmatcher:  # pytype: disable=ignored-metaclass
     """Base class to detect embedded code fragments in *.t test script"""
 
     __metaclass__ = abc.ABCMeta
@@ -156,7 +156,7 def embedded(basefile, lines, errors, ma
     :ends: line number (1-origin), at which embedded code ends (exclusive)
     :code: extracted embedded code, which is single-stringified
 
-    >>> class ambigmatcher(object):
+    >>> class ambigmatcher:
     ...     # mock matcher class to examine implementation of
     ...     # "ambiguous matching" corner case
     ...     def __init__(self, desc, matchfunc):

doc/hgmanpage.py

@@ -112,7 +112,7 class Writer(writers.Writer):
         self.output = visitor.astext()
 
 
-class Table(object):
+class Table:
     def __init__(self):
         self._rows = []
         self._options = ['center']
@@ -312,7 +312,7 class Translator(nodes.NodeVisitor):
         pass
 
     def list_start(self, node):
-        class enum_char(object):
+        class enum_char:
             enum_style = {
                 'bullet': '\\(bu',
                 'emdash': '\\(em',

hgdemandimport/demandimportpy2.py

@@ -54,7 +54,7 def _hgextimport(importfunc, name, globa
         return importfunc(hgextname, globals, *args, **kwargs)
 
 
-class _demandmod(object):
+class _demandmod:
     """module demand-loader and proxy
 
     Specify 1 as 'level' argument at construction, to import module

hgdemandimport/demandimportpy3.py

@@ -54,7 +54,7 class _lazyloaderex(importlib.util.LazyL
                 super().exec_module(module)
 
 
-class LazyFinder(object):
+class LazyFinder:
     """A wrapper around a ``MetaPathFinder`` that makes loaders lazy.
 
     ``sys.meta_path`` finders have their ``find_spec()`` called to locate a

hgext/absorb.py

@@ -83,7 +83,7 colortable = {
 defaultdict = collections.defaultdict
 
 
-class nullui(object):
+class nullui:
     """blank ui object doing nothing"""
 
     debugflag = False
@@ -97,7 +97,7 class nullui(object):
         return nullfunc
 
 
-class emptyfilecontext(object):
+class emptyfilecontext:
     """minimal filecontext representing an empty file"""
 
     def __init__(self, repo):
@@ -277,7 +277,7 def overlaycontext(memworkingcopy, ctx,
     )
 
 
-class filefixupstate(object):
+class filefixupstate:
     """state needed to apply fixups to a single file
 
     internally, it keeps file contents of several revisions and a linelog.
@@ -655,7 +655,7 class filefixupstate(object):
             )
 
 
-class fixupstate(object):
+class fixupstate:
     """state needed to run absorb
 
     internally, it keeps paths and filefixupstates.

hgext/blackbox.py

@@ -105,7 +105,7 configitem(b'blackbox', b'date-format',
 _lastlogger = loggingutil.proxylogger()
 
 
-class blackboxlogger(object):
+class blackboxlogger:
     def __init__(self, ui, repo):
         self._repo = repo
         self._trackedevents = set(ui.configlist(b'blackbox', b'track'))

hgext/bugzilla.py

@@ -434,7 +434,7 configitem(
 )
 
 
-class bzaccess(object):
+class bzaccess:
     '''Base class for access to Bugzilla.'''
 
     def __init__(self, ui):
@@ -690,7 +690,7 class bzmysql_3_0(bzmysql_2_18):
 # Bugzilla via XMLRPC interface.
 
 
-class cookietransportrequest(object):
+class cookietransportrequest:
     """A Transport request method that retains cookies over its lifetime.
 
     The regular xmlrpclib transports ignore cookies. Which causes
@@ -1095,7 +1095,7 class bzrestapi(bzaccess):
         pass
 
 
-class bugzilla(object):
+class bugzilla:
     # supported versions of bugzilla. different versions have
     # different schemas.
     _versions = {

hgext/convert/common.py

@@ -34,7 +34,7 def _encodeornone(d):
     return d.encode('latin1')
 
 
-class _shlexpy3proxy(object):
+class _shlexpy3proxy:
     def __init__(self, l):
         self._l = l
 
@@ -127,7 +127,7 class NoRepo(Exception):
 SKIPREV = b'SKIP'
 
 
-class commit(object):
+class commit:
     def __init__(
         self,
         author,
@@ -157,7 +157,7 class commit(object):
         self.ctx = ctx  # for hg to hg conversions
 
 
-class converter_source(object):
+class converter_source:
     """Conversion source interface"""
 
     def __init__(self, ui, repotype, path=None, revs=None):
@@ -307,7 +307,7 class converter_source(object):
         return True
 
 
-class converter_sink(object):
+class converter_sink:
     """Conversion sink (target) interface"""
 
     def __init__(self, ui, repotype, path):
@@ -403,7 +403,7 class converter_sink(object):
         raise NotImplementedError
 
 
-class commandline(object):
+class commandline:
     def __init__(self, ui, command):
         self.ui = ui
         self.command = command

hgext/convert/convcmd.py

@@ -176,7 +176,7 def convertsink(ui, path, type):
     raise error.Abort(_(b'%s: unknown repository type') % path)
 
 
-class progresssource(object):
+class progresssource:
     def __init__(self, ui, source, filecount):
         self.ui = ui
         self.source = source
@@ -198,7 +198,7 class progresssource(object):
         self.progress.complete()
 
 
-class converter(object):
+class converter:
     def __init__(self, ui, source, dest, revmapfile, opts):
 
         self.source = source

hgext/convert/cvsps.py

@@ -26,7 +26,7 from mercurial.utils import (
 )
 
 
-class logentry(object):
+class logentry:
     """Class logentry has the following attributes:
     .author    - author name as CVS knows it
     .branch    - name of branch this revision is on
@@ -577,7 +577,7 def createlog(ui, directory=None, root=b
     return log
 
 
-class changeset(object):
+class changeset:
     """Class changeset has the following attributes:
     .id        - integer identifying this changeset (list index)
     .author    - author name as CVS knows it

hgext/convert/filemap.py

@@ -41,7 +41,7 def normalize(path):
     return posixpath.normpath(path)
 
 
-class filemapper(object):
+class filemapper:
     """Map and filter filenames when importing.
     A name can be mapped to itself, a new name, or None (omit from new
     repository)."""

hgext/convert/git.py

@@ -19,7 +19,7 from mercurial import (
 from . import common
 
 
-class submodule(object):
+class submodule:
     def __init__(self, path, node, url):
         self.path = path
         self.node = node

hgext/convert/gnuarch.py

@@ -27,7 +27,7 from . import common
 
 
 class gnuarch_source(common.converter_source, common.commandline):
-    class gnuarch_rev(object):
+    class gnuarch_rev:
         def __init__(self, rev):
             self.rev = rev
             self.summary = b''

hgext/convert/subversion.py

@@ -180,7 +180,7 def optrev(number):
     return optrev
 
 
-class changedpath(object):
+class changedpath:
     def __init__(self, p):
         self.copyfrom_path = p.copyfrom_path
         self.copyfrom_rev = p.copyfrom_rev
@@ -248,7 +248,7 def debugsvnlog(ui, **opts):
         get_log_child(ui.fout, *args)
 
 
-class logstream(object):
+class logstream:
     """Interruptible revision log iterator."""
 
     def __init__(self, stdout):

hgext/convert/transport.py

@@ -70,7 +70,7 class NotBranchError(SubversionException
     pass
 
 
-class SvnRaTransport(object):
+class SvnRaTransport:
     """
     Open an ra connection to a Subversion repository.
     """
@@ -107,7 +107,7 class SvnRaTransport(object):
             self.ra = ra
             svn.ra.reparent(self.ra, self.svn_url.encode('utf8'))
 
-    class Reporter(object):
+    class Reporter:
         def __init__(self, reporter_data):
             self._reporter, self._baton = reporter_data
 

hgext/eol.py

@@ -185,7 +185,7 filters = {
 }
 
 
-class eolfile(object):
+class eolfile:
     def __init__(self, ui, root, data):
         self._decode = {
             b'LF': b'to-lf',

hgext/extdiff.py

@@ -695,7 +695,7 def extdiff(ui, repo, *pats, **opts):
     return dodiff(ui, repo, cmdline, pats, opts)
 
 
-class savedcmd(object):
+class savedcmd:
     """use external program to diff repository (or selected files)
 
     Show differences between revisions for the specified files, using

hgext/fastannotate/context.py

@@ -159,7 +159,7 def hashdiffopts(diffopts):
 _defaultdiffopthash = hashdiffopts(mdiff.defaultopts)
 
 
-class annotateopts(object):
+class annotateopts:
     """like mercurial.mdiff.diffopts, but is for annotate
 
     followrename: follow renames, like "hg annotate -f"
@@ -196,7 +196,7 class annotateopts(object):
 defaultopts = annotateopts()
 
 
-class _annotatecontext(object):
+class _annotatecontext:
     """do not use this class directly as it does not use lock to protect
     writes. use "with annotatecontext(...)" instead.
     """
@@ -783,7 +783,7 def _unlinkpaths(paths):
             pass
 
 
-class pathhelper(object):
+class pathhelper:
     """helper for getting paths for lockfile, linelog and revmap"""
 
     def __init__(self, repo, path, opts=defaultopts):

hgext/fastannotate/formatter.py

@@ -19,7 +19,7 from mercurial.utils import dateutil
 
 # imitating mercurial.commands.annotate, not using the vanilla formatter since
 # the data structures are a bit different, and we have some fast paths.
-class defaultformatter(object):
+class defaultformatter:
     """the default formatter that does leftpad and support some common flags"""
 
     def __init__(self, ui, repo, opts):

hgext/fastannotate/revmap.py

@@ -48,7 +48,7 renameflag = 2
 _hshlen = 20
 
 
-class revmap(object):
+class revmap:
     """trivial hg bin hash - linelog rev bidirectional map
 
     also stores a flag (uint8) for each revision, and track renames.

hgext/fastannotate/support.py

@@ -22,7 +22,7 from . import (
 )
 
 
-class _lazyfctx(object):
+class _lazyfctx:
     """delegates to fctx but do not construct fctx when unnecessary"""
 
     def __init__(self, repo, node, path):

hgext/fix.py

@@ -903,7 +903,7 def fixernames(ui):
     return names
 
 
-class Fixer(object):
+class Fixer:
     """Wraps the raw config values for a fixer with methods"""
 
     def __init__(

hgext/fsmonitor/__init__.py

@@ -681,7 +681,7 def overridestatus(
     )
 
 
-class poststatus(object):
+class poststatus:
     def __init__(self, startclock):
         self._startclock = pycompat.sysbytes(startclock)
 
@@ -756,7 +756,7 def wrapsymlink(orig, source, link_name)
             pass
 
 
-class state_update(object):
+class state_update:
     """This context manager is responsible for dispatching the state-enter
     and state-leave signals to the watchman service. The enter and leave
     methods can be invoked manually (for scenarios where context manager

hgext/fsmonitor/pywatchman/__init__.py

@@ -301,7 +301,7 class CommandError(WatchmanError):
         )
 
 
-class Transport(object):
+class Transport:
     """communication transport to the watchman server"""
 
     buf = None
@@ -346,7 +346,7 class Transport(object):
             self.buf.append(b)
 
 
-class Codec(object):
+class Codec:
     """communication encoding for the watchman server"""
 
     transport = None
@@ -859,7 +859,7 class JsonCodec(Codec):
         self.transport.write(cmd + b"\n")
 
 
-class client(object):
+class client:
     """Handles the communication with the watchman service"""
 
     sockpath = None

hgext/fsmonitor/pywatchman/pybser.py

@@ -93,7 +93,7 def _buf_pos(buf, pos):
     return ret
 
 
-class _bser_buffer(object):
+class _bser_buffer:
     def __init__(self, version):
         self.bser_version = version
         self.buf = ctypes.create_string_buffer(8192)
@@ -324,7 +324,7 def dumps(obj, version=1, capabilities=0
 # This is a quack-alike with the bserObjectType in bser.c
 # It provides by getattr accessors and getitem for both index
 # and name.
-class _BunserDict(object):
+class _BunserDict:
     __slots__ = ("_keys", "_values")
 
     def __init__(self, keys, values):
@@ -350,7 +350,7 class _BunserDict(object):
         return len(self._keys)
 
 
-class Bunser(object):
+class Bunser:
     def __init__(self, mutable=True, value_encoding=None, value_errors=None):
         self.mutable = mutable
         self.value_encoding = value_encoding

hgext/fsmonitor/state.py

@@ -22,7 +22,7 from mercurial import (
 _versionformat = b">I"
 
 
-class state(object):
+class state:
     def __init__(self, repo):
         self._vfs = repo.vfs
         self._ui = repo.ui

hgext/fsmonitor/watchmanclient.py

@@ -43,7 +43,7 class WatchmanNoRoot(Unavailable):
         super(WatchmanNoRoot, self).__init__(msg)
 
 
-class client(object):
+class client:
     def __init__(self, ui, root, timeout=1.0):
         err = None
         if not self._user:

hgext/git/__init__.py

@@ -47,7 +47,7 getversion = gitutil.pygit2_version
 
 
 # TODO: extract an interface for this in core
-class gitstore(object):  # store.basicstore):
+class gitstore:  # store.basicstore):
     def __init__(self, path, vfstype):
         self.vfs = vfstype(path)
         self.opener = self.vfs
@@ -129,7 +129,7 def _makestore(orig, requirements, store
     return orig(requirements, storebasepath, vfstype)
 
 
-class gitfilestorage(object):
+class gitfilestorage:
     def file(self, path):
         if path[0:1] == b'/':
             path = path[1:]
@@ -161,7 +161,7 def _setupdothg(ui, path):
 _BMS_PREFIX = 'refs/heads/'
 
 
-class gitbmstore(object):
+class gitbmstore:
     def __init__(self, gitrepo):
         self.gitrepo = gitrepo
         self._aclean = True

hgext/git/dirstate.py

@@ -66,7 +66,7 if pygit2:
 
 
 @interfaceutil.implementer(intdirstate.idirstate)
-class gitdirstate(object):
+class gitdirstate:
     def __init__(self, ui, root, gitrepo):
         self._ui = ui
         self._root = os.path.dirname(root)

hgext/git/gitlog.py

@@ -29,7 +29,7 from . import (
 pygit2 = gitutil.get_pygit2()
 
 
-class baselog(object):  # revlog.revlog):
+class baselog:  # revlog.revlog):
     """Common implementations between changelog and manifestlog."""
 
     def __init__(self, gr, db):
@@ -69,7 +69,7 class baselog(object): # revlog.revlog)
         return t is not None
 
 
-class baselogindex(object):
+class baselogindex:
     def __init__(self, log):
         self._log = log
 

hgext/git/manifest.py

@@ -15,7 +15,7 pygit2 = gitutil.get_pygit2()
 
 
 @interfaceutil.implementer(repository.imanifestdict)
-class gittreemanifest(object):
+class gittreemanifest:
     """Expose git trees (and optionally a builder's overlay) as a manifestdict.
 
     Very similar to mercurial.manifest.treemanifest.
@@ -258,7 +258,7 class gittreemanifest(object):
 
 
 @interfaceutil.implementer(repository.imanifestrevisionstored)
-class gittreemanifestctx(object):
+class gittreemanifestctx:
     def __init__(self, repo, gittree):
         self._repo = repo
         self._tree = gittree
@@ -279,7 +279,7 class gittreemanifestctx(object):
 
 
 @interfaceutil.implementer(repository.imanifestrevisionwritable)
-class memgittreemanifestctx(object):
+class memgittreemanifestctx:
     def __init__(self, repo, tree):
         self._repo = repo
         self._tree = tree

hgext/githelp.py

@@ -122,7 +122,7 def parseoptions(ui, cmdoptions, args):
     return args, opts
 
 
-class Command(object):
+class Command:
     def __init__(self, name):
         self.name = name
         self.args = []
@@ -163,7 +163,7 class Command(object):
         return AndCommand(self, other)
 
 
-class AndCommand(object):
+class AndCommand:
     def __init__(self, left, right):
         self.left = left
         self.right = right

hgext/gpg.py

@@ -64,7 +64,7 help.CATEGORY_ORDER.insert(
 help.CATEGORY_NAMES[_HELP_CATEGORY] = b'Signing changes (GPG)'
 
 
-class gpg(object):
+class gpg:
     def __init__(self, path, key=None):
         self.path = path
         self.key = (key and b" --local-user \"%s\"" % key) or b""

hgext/histedit.py

@@ -351,7 +351,7 Commands:
     return b''.join([b'# %s\n' % l if l else b'#\n' for l in lines])
 
 
-class histeditstate(object):
+class histeditstate:
     def __init__(self, repo):
         self.repo = repo
         self.actions = None
@@ -490,7 +490,7 class histeditstate(object):
         return self.repo.vfs.exists(b'histedit-state')
 
 
-class histeditaction(object):
+class histeditaction:
     def __init__(self, state, node):
         self.state = state
         self.repo = state.repo
@@ -1142,7 +1142,7 def screen_size():
     return struct.unpack(b'hh', fcntl.ioctl(1, termios.TIOCGWINSZ, b'    '))
 
 
-class histeditrule(object):
+class histeditrule:
     def __init__(self, ui, ctx, pos, action=b'pick'):
         self.ui = ui
         self.ctx = ctx
@@ -1242,7 +1242,7 def _trunc_tail(line, n):
     return line[: n - 2] + b' >'
 
 
-class _chistedit_state(object):
+class _chistedit_state:
     def __init__(
         self,
         repo,

hgext/infinitepush/__init__.py

@@ -286,7 +286,7 def _tryhoist(ui, remotebookmark):
     return remotebookmark
 
 
-class bundlestore(object):
+class bundlestore:
     def __init__(self, repo):
         self._repo = repo
         storetype = self._repo.ui.config(b'infinitepush', b'storetype')

hgext/infinitepush/bundleparts.py

@@ -101,7 +101,7 def _handlelfs(repo, missing):
         return
 
 
-class copiedpart(object):
+class copiedpart:
     """a copy of unbundlepart content that can be consumed later"""
 
     def __init__(self, part):

hgext/infinitepush/indexapi.py

@@ -6,7 +6,7
 # GNU General Public License version 2 or any later version.
 
 
-class indexapi(object):
+class indexapi:
     """Class that manages access to infinitepush index.
 
     This class is a context manager and all write operations (like

hgext/infinitepush/store.py

@@ -25,7 +25,7 class BundleReadException(Exception):
     pass
 
 
-class abstractbundlestore(object):  # pytype: disable=ignored-metaclass
+class abstractbundlestore:  # pytype: disable=ignored-metaclass
     """Defines the interface for bundle stores.
 
     A bundle store is an entity that stores raw bundle data. It is a simple
@@ -56,7 +56,7 class abstractbundlestore(object): # py
         """
 
 
-class filebundlestore(object):
+class filebundlestore:
     """bundle store in filesystem
 
     meant for storing bundles somewhere on disk and on network filesystems

hgext/journal.py

@@ -282,7 +282,7 class journalentry(
     __str__ = encoding.strmethod(__bytes__)
 
 
-class journalstorage(object):
+class journalstorage:
     """Storage for journal entries
 
     Entries are divided over two files; one with entries that pertain to the

hgext/keyword.py

@@ -235,7 +235,7 def _preselect(wstatus, changed):
     return modified, added
 
 
-class kwtemplater(object):
+class kwtemplater:
     """
     Sets up keyword templates, corresponding keyword regex, and
     provides keyword substitution functions.

hgext/largefiles/basestore.py

@@ -41,7 +41,7 class StoreError(Exception):
         return b"%s: %s" % (urlutil.hidepassword(self.url), self.detail)
 
 
-class basestore(object):
+class basestore:
     def __init__(self, ui, repo, url):
         self.ui = ui
         self.repo = repo

hgext/largefiles/lfutil.py

@@ -756,7 +756,7 def updatestandinsbymatch(repo, match):
     return match
 
 
-class automatedcommithook(object):
+class automatedcommithook:
     """Stateful hook to update standins at the 1st commit of resuming
 
     For efficiency, updating standins in the working directory should

hgext/largefiles/overrides.py

@@ -492,7 +492,7 def overridedebugstate(orig, ui, repo, *
     large = opts.pop('large', False)
     if large:
 
-        class fakerepo(object):
+        class fakerepo:
             dirstate = lfutil.openlfdirstate(ui, repo)
 
         orig(ui, fakerepo, *pats, **opts)

hgext/lfs/blobstore.py

@@ -108,7 +108,7 class lfsuploadfile(httpconnectionmod.ht
         return None  # progress is handled by the worker client
 
 
-class local(object):
+class local:
     """Local blobstore for large file contents.
 
     This blobstore is used both as a cache and as a staging area for large blobs
@@ -306,7 +306,7 class lfsauthhandler(util.urlreq.basehan
         return None
 
 
-class _gitlfsremote(object):
+class _gitlfsremote:
     def __init__(self, repo, url):
         ui = repo.ui
         self.ui = ui
@@ -642,7 +642,7 class _gitlfsremote(object):
                 getattr(h, "close_all", lambda: None)()
 
 
-class _dummyremote(object):
+class _dummyremote:
     """Dummy store storing blobs to temp directory."""
 
     def __init__(self, repo, url):
@@ -661,7 +661,7 class _dummyremote(object):
                 tostore.download(p.oid(), fp, None)
 
 
-class _nullremote(object):
+class _nullremote:
     """Null store storing blobs to /dev/null."""
 
     def __init__(self, repo, url):
@@ -674,7 +674,7 class _nullremote(object):
         pass
 
 
-class _promptremote(object):
+class _promptremote:
     """Prompt user to set lfs.url when accessed."""
 
     def __init__(self, repo, url):

hgext/logtoprocess.py

@@ -44,7 +44,7 from mercurial.utils import procutil
 testedwith = b'ships-with-hg-core'
 
 
-class processlogger(object):
+class processlogger:
     """Map log events to external commands
 
     Arguments are passed on as environment variables.

hgext/mq.py

@@ -150,7 +150,7 try:
 except KeyError:
     # note: load is lazy so we could avoid the try-except,
     # but I (marmoute) prefer this explicit code.
-    class dummyui(object):
+    class dummyui:
         def debug(self, msg):
             pass
 
@@ -183,7 +183,7 def checksubstate(repo, baserev=None):
 normname = util.normpath
 
 
-class statusentry(object):
+class statusentry:
     def __init__(self, node, name):
         self.node, self.name = node, name
 
@@ -293,7 +293,7 def insertplainheader(lines, header, val
     return lines
 
 
-class patchheader(object):
+class patchheader:
     def __init__(self, pf, plainmode=False):
         def eatdiff(lines):
             while lines:
@@ -495,7 +495,7 class AbortNoCleanup(error.Abort):
     pass
 
 
-class queue(object):
+class queue:
     def __init__(self, ui, baseui, path, patchdir=None):
         self.basepath = path
         try:

hgext/notify.py

@@ -314,7 +314,7 deftemplates = {
 }
 
 
-class notifier(object):
+class notifier:
     '''email notification class.'''
 
     def __init__(self, ui, repo, hooktype):

hgext/phabricator.py

@@ -668,7 +668,7 def getdiff(basectx, ctx, diffopts):
     return output.getvalue()
 
 
-class DiffChangeType(object):
+class DiffChangeType:
     ADD = 1
     CHANGE = 2
     DELETE = 3
@@ -679,7 +679,7 class DiffChangeType(object):
     MULTICOPY = 8
 
 
-class DiffFileType(object):
+class DiffFileType:
     TEXT = 1
     IMAGE = 2
     BINARY = 3
@@ -700,7 +700,7 class phabhunk(dict):
 
 
 @attr.s
-class phabchange(object):
+class phabchange:
     """Represents a Differential change, owns Differential hunks and owned by a
     Differential diff.  Each one represents one file in a diff.
     """
@@ -741,7 +741,7 class phabchange(object):
 
 
 @attr.s
-class phabdiff(object):
+class phabdiff:
     """Represents a Differential diff, owns Differential changes.  Corresponds
     to a commit.
     """

hgext/rebase.py

@@ -159,7 +159,7 def _ctxdesc(ctx):
     )
 
 
-class rebaseruntime(object):
+class rebaseruntime:
     """This class is a container for rebase runtime state"""
 
     def __init__(self, repo, ui, inmemory=False, dryrun=False, opts=None):

hgext/releasenotes.py

@@ -77,7 +77,7 RE_ISSUE = br'\bissue ?[0-9]{4,6}(?![0-9
 BULLET_SECTION = _(b'Other Changes')
 
 
-class parsedreleasenotes(object):
+class parsedreleasenotes:
     def __init__(self):
         self.sections = {}
 
@@ -170,7 +170,7 class parsedreleasenotes(object):
                 self.addnontitleditem(section, paragraphs)
 
 
-class releasenotessections(object):
+class releasenotessections:
     def __init__(self, ui, repo=None):
         if repo:
             sections = util.sortdict(DEFAULT_SECTIONS)

hgext/remotefilelog/basepack.py

@@ -63,7 +63,7 else:
     PACKOPENMODE = b'rb'
 
 
-class _cachebackedpacks(object):
+class _cachebackedpacks:
     def __init__(self, packs, cachesize):
         self._packs = set(packs)
         self._lrucache = util.lrucachedict(cachesize)
@@ -109,7 +109,7 class _cachebackedpacks(object):
         self._lastpack = None
 
 
-class basepackstore(object):
+class basepackstore:
     # Default cache size limit for the pack files.
     DEFAULTCACHESIZE = 100
 
@@ -267,7 +267,7 class basepackstore(object):
         return newpacks
 
 
-class versionmixin(object):
+class versionmixin:
     # Mix-in for classes with multiple supported versions
     VERSION = None
     SUPPORTED_VERSIONS = [2]
@@ -526,7 +526,7 class mutablebasepack(versionmixin):
         self.idxfp.write(struct.pack(b'!BB', self.VERSION, config))
 
 
-class indexparams(object):
+class indexparams:
     __slots__ = (
         'fanoutprefix',
         'fanoutstruct',

hgext/remotefilelog/basestore.py

@@ -19,7 +19,7 from . import (
 )
 
 
-class basestore(object):
+class basestore:
     def __init__(self, repo, path, reponame, shared=False):
         """Creates a remotefilelog store object for the given repo name.
 
@@ -412,7 +412,7 class basestore(object):
         )
 
 
-class baseunionstore(object):
+class baseunionstore:
     def __init__(self, *args, **kwargs):
         # If one of the functions that iterates all of the stores is about to
         # throw a KeyError, try this many times with a full refresh between

hgext/remotefilelog/connectionpool.py

@@ -15,7 +15,7 from mercurial import (
 _sshv1peer = sshpeer.sshv1peer
 
 
-class connectionpool(object):
+class connectionpool:
     def __init__(self, repo):
         self._repo = repo
         self._pool = dict()
@@ -65,7 +65,7 class connectionpool(object):
             del pathpool[:]
 
 
-class connection(object):
+class connection:
     def __init__(self, pool, peer):
         self._pool = pool
         self.peer = peer

hgext/remotefilelog/contentstore.py

@@ -17,7 +17,7 from . import (
 )
 
 
-class ChainIndicies(object):
+class ChainIndicies:
     """A static class for easy reference to the delta chain indicies."""
 
     # The filename of this revision delta
@@ -229,7 +229,7 class remotefilelogcontentstore(basestor
         self._threaddata.metacache = (node, meta)
 
 
-class remotecontentstore(object):
+class remotecontentstore:
     def __init__(self, ui, fileservice, shared):
         self._fileservice = fileservice
         # type(shared) is usually remotefilelogcontentstore
@@ -274,7 +274,7 class remotecontentstore(object):
         pass
 
 
-class manifestrevlogstore(object):
+class manifestrevlogstore:
     def __init__(self, repo):
         self._store = repo.store
         self._svfs = repo.svfs

hgext/remotefilelog/debugcommands.py

@@ -81,7 +81,7 def buildtemprevlog(repo, file):
         os.remove(temppath)
     r = filelog.filelog(repo.svfs, b'temprevlog')
 
-    class faket(object):
+    class faket:
         def add(self, a, b, c):
             pass
 

hgext/remotefilelog/fileserverclient.py

@@ -139,7 +139,7 def peersetup(ui, peer):
     peer.__class__ = remotefilepeer
 
 
-class cacheconnection(object):
+class cacheconnection:
     """The connection for communicating with the remote cache. Performs
     gets and sets by communicating with an external process that has the
     cache-specific implementation.
@@ -302,7 +302,7 def _getfiles_threaded(
     pipeo.flush()
 
 
-class fileserverclient(object):
+class fileserverclient:
     """A client for requesting files from the remote file server."""
 
     def __init__(self, repo):
@@ -517,7 +517,7 class fileserverclient(object):
             # returns cache misses.  This enables tests to run easily
             # and may eventually allow us to be a drop in replacement
             # for the largefiles extension.
-            class simplecache(object):
+            class simplecache:
                 def __init__(self):
                     self.missingids = []
                     self.connected = True

hgext/remotefilelog/metadatastore.py

@@ -141,7 +141,7 class remotefilelogmetadatastore(basesto
         )
 
 
-class remotemetadatastore(object):
+class remotemetadatastore:
     def __init__(self, ui, fileservice, shared):
         self._fileservice = fileservice
         self._shared = shared

hgext/remotefilelog/remotefilelog.py

@@ -27,7 +27,7 from . import (
 )
 
 
-class remotefilelognodemap(object):
+class remotefilelognodemap:
     def __init__(self, filename, store):
         self._filename = filename
         self._store = store
@@ -42,7 +42,7 class remotefilelognodemap(object):
         return node
 
 
-class remotefilelog(object):
+class remotefilelog:
 
     _generaldelta = True
     _flagserrorclass = error.RevlogError

hgext/remotefilelog/remotefilelogserver.py

@@ -93,7 +93,7 def onetimesetup(ui):
         b'x_rfl_getfile', b'file node', permission=b'pull'
     )(getfile)
 
-    class streamstate(object):
+    class streamstate:
         match = None
         shallowremote = False
         noflatmf = False

hgext/remotefilelog/repack.py

@@ -498,7 +498,7 def keepset(repo, keyfn, lastkeepkeys=No
     return keepkeys
 
 
-class repacker(object):
+class repacker:
     """Class for orchestrating the repack of data and history information into a
     new format.
     """
@@ -819,7 +819,7 class repacker(object):
         return sortednodes
 
 
-class repackledger(object):
+class repackledger:
     """Storage for all the bookkeeping that happens during a repack. It contains
     the list of revisions being repacked, what happened to each revision, and
     which source store contained which revision originally (for later cleanup).
@@ -867,7 +867,7 class repackledger(object):
         self.created.add(value)
 
 
-class repackentry(object):
+class repackentry:
     """Simple class representing a single revision entry in the repackledger."""
 
     __slots__ = (

hgext/remotenames.py

@@ -176,7 +176,7 class lazyremotenamedict(mutablemapping)
     items = iteritems
 
 
-class remotenames(object):
+class remotenames:
     """
     This class encapsulates all the remotenames state. It also contains
     methods to access that state in convenient ways. Remotenames are lazy

hgext/schemes.py

@@ -67,7 +67,7 testedwith = b'ships-with-hg-core'
 _partre = re.compile(br'{(\d+)\}')
 
 
-class ShortRepository(object):
+class ShortRepository:
     def __init__(self, url, scheme, templater):
         self.scheme = scheme
         self.templater = templater

hgext/sqlitestore.py

@@ -264,7 +264,7 class SQLiteStoreError(error.StorageErro
 
 
 @attr.s
-class revisionentry(object):
+class revisionentry:
     rid = attr.ib()
     rev = attr.ib()
     node = attr.ib()
@@ -278,7 +278,7 class revisionentry(object):
 
 @interfaceutil.implementer(repository.irevisiondelta)
 @attr.s(slots=True)
-class sqliterevisiondelta(object):
+class sqliterevisiondelta:
     node = attr.ib()
     p1node = attr.ib()
     p2node = attr.ib()
@@ -294,14 +294,14 class sqliterevisiondelta(object):
 
 @interfaceutil.implementer(repository.iverifyproblem)
 @attr.s(frozen=True)
-class sqliteproblem(object):
+class sqliteproblem:
     warning = attr.ib(default=None)
     error = attr.ib(default=None)
     node = attr.ib(default=None)
 
 
 @interfaceutil.implementer(repository.ifilestorage)
-class sqlitefilestore(object):
+class sqlitefilestore:
     """Implements storage for an individual tracked path."""
 
     def __init__(self, db, path, compression):
@@ -1249,7 +1249,7 def newreporequirements(orig, ui, create
 
 
 @interfaceutil.implementer(repository.ilocalrepositoryfilestorage)
-class sqlitefilestorage(object):
+class sqlitefilestorage:
     """Repository file storage backed by SQLite."""
 
     def file(self, path):

hgext/transplant.py

@@ -75,13 +75,13 configitem(
 )
 
 
-class transplantentry(object):
+class transplantentry:
     def __init__(self, lnode, rnode):
         self.lnode = lnode
         self.rnode = rnode
 
 
-class transplants(object):
+class transplants:
     def __init__(self, path=None, transplantfile=None, opener=None):
         self.path = path
         self.transplantfile = transplantfile
@@ -128,7 +128,7 class transplants(object):
             self.dirty = True
 
 
-class transplanter(object):
+class transplanter:
     def __init__(self, ui, repo, opts):
         self.ui = ui
         self.repo = repo

hgext/zeroconf/Zeroconf.py

@@ -231,7 +231,7 class BadDomainNameCircular(BadDomainNam
 # implementation classes
 
 
-class DNSEntry(object):
+class DNSEntry:
     """A DNS entry"""
 
     def __init__(self, name, type, clazz):
@@ -506,7 +506,7 class DNSService(DNSRecord):
         return self.toString(b"%s:%s" % (self.server, self.port))
 
 
-class DNSIncoming(object):
+class DNSIncoming:
     """Object representation of an incoming DNS packet"""
 
     def __init__(self, data):
@@ -702,7 +702,7 class DNSIncoming(object):
         return result
 
 
-class DNSOutgoing(object):
+class DNSOutgoing:
     """Object representation of an outgoing packet"""
 
     def __init__(self, flags, multicast=1):
@@ -864,7 +864,7 class DNSOutgoing(object):
         return b''.join(self.data)
 
 
-class DNSCache(object):
+class DNSCache:
     """A cache of DNS entries"""
 
     def __init__(self):
@@ -982,7 +982,7 class Engine(threading.Thread):
         self.condition.release()
 
 
-class Listener(object):
+class Listener:
     """A Listener is used by this module to listen on the multicast
     group to which DNS messages are sent, allowing the implementation
     to cache information as it arrives.
@@ -1127,7 +1127,7 class ServiceBrowser(threading.Thread):
                 event(self.zeroconf)
 
 
-class ServiceInfo(object):
+class ServiceInfo:
     """Service information"""
 
     def __init__(
@@ -1386,7 +1386,7 class ServiceInfo(object):
         return result
 
 
-class Zeroconf(object):
+class Zeroconf:
     """Implementation of Zeroconf Multicast DNS Service Discovery
 
     Supports registration, unregistration, queries and browsing.

hgext/zeroconf/__init__.py

@@ -158,7 +158,7 def zc_create_server(create_server, ui,
 # listen
 
 
-class listener(object):
+class listener:
     def __init__(self):
         self.found = {}
 

i18n/polib.py

@@ -42,7 +42,7 try:
 except ImportError:
     # replacement of io.open() for python < 2.6
     # we use codecs instead
-    class io(object):
+    class io:
         @staticmethod
         def open(fpath, mode='r', encoding=None):
             return codecs.open(fpath, mode, encoding)
@@ -816,7 +816,7 class MOFile(_BaseFile):
 # class _BaseEntry {{{
 
 
-class _BaseEntry(object):
+class _BaseEntry:
     """
     Base class for :class:`~polib.POEntry` and :class:`~polib.MOEntry` classes.
     This class should **not** be instanciated directly.
@@ -1227,7 +1227,7 class MOEntry(_BaseEntry):
 # class _POFileParser {{{
 
 
-class _POFileParser(object):
+class _POFileParser:
     """
     A finite state machine to parse efficiently and correctly po
     file format.
@@ -1706,7 +1706,7 class _POFileParser(object):
 # class _MOFileParser {{{
 
 
-class _MOFileParser(object):
+class _MOFileParser:
     """
     A class to parse binary mo files.
     """

mercurial/ancestor.py

@@ -146,7 +146,7 def ancestors(pfunc, *orignodes):
     return deepest(gca)
 
 
-class incrementalmissingancestors(object):
+class incrementalmissingancestors:
     """persistent state used to calculate missing ancestors incrementally
 
     Although similar in spirit to lazyancestors below, this is a separate class
@@ -316,7 +316,7 def _lazyancestorsiter(parentrevs, initr
             see(p2)
 
 
-class lazyancestors(object):
+class lazyancestors:
     def __init__(self, pfunc, revs, stoprev=0, inclusive=False):
         """Create a new object generating ancestors for the given revs. Does
         not generate revs lower than stoprev.

mercurial/archival.py

@@ -132,7 +132,7 def buildmetadata(ctx):
     return out.getvalue()
 
 
-class tarit(object):
+class tarit:
     """write archive to tar file or stream.  can write uncompressed,
     or compress with gzip or bzip2."""
 
@@ -193,7 +193,7 class tarit(object):
             self.fileobj.close()
 
 
-class zipit(object):
+class zipit:
     """write archive to zip file or stream.  can write uncompressed,
     or compressed with deflate."""
 
@@ -240,7 +240,7 class zipit(object):
         self.z.close()
 
 
-class fileit(object):
+class fileit:
     '''write archive as files in directory.'''
 
     def __init__(self, name, mtime):

mercurial/bookmarks.py

@@ -58,7 +58,7 def _getbkfile(repo):
     return fp
 
 
-class bmstore(object):
+class bmstore:
     r"""Storage for bookmarks.
 
     This object should do all bookmark-related reads and writes, so

mercurial/branchmap.py

@@ -62,7 +62,7 pack_into = struct.pack_into
 unpack_from = struct.unpack_from
 
 
-class BranchMapCache(object):
+class BranchMapCache:
     """mapping of filtered views of repo with their branchcache"""
 
     def __init__(self):
@@ -169,7 +169,7 def _branchcachedesc(repo):
         return b'branch cache'
 
 
-class branchcache(object):
+class branchcache:
     """A dict like object that hold branches heads cache.
 
     This cache is used to avoid costly computations to determine all the
@@ -631,7 +631,7 class remotebranchcache(branchcache):
 _rbccloseflag = 0x80000000
 
 
-class revbranchcache(object):
+class revbranchcache:
     """Persistent cache, mapping from revision number to branch name and close.
     This is a low level cache, independent of filtering.
 

mercurial/bundle2.py

@@ -251,7 +251,7 def parthandler(parttype, params=()):
     return _decorator
 
 
-class unbundlerecords(object):
+class unbundlerecords:
     """keep record of what happens during and unbundle
 
     New records are added using `records.add('cat', obj)`. Where 'cat' is a
@@ -299,7 +299,7 class unbundlerecords(object):
     __bool__ = __nonzero__
 
 
-class bundleoperation(object):
+class bundleoperation:
     """an object that represents a single bundling process
 
     Its purpose is to carry unbundle-related objects and states.
@@ -379,7 +379,7 def applybundle(repo, unbundler, tr, sou
         return op
 
 
-class partiterator(object):
+class partiterator:
     def __init__(self, repo, op, unbundler):
         self.repo = repo
         self.op = op
@@ -626,7 +626,7 bundletypes = {
 bundlepriority = [b'HG10GZ', b'HG10BZ', b'HG10UN']
 
 
-class bundle20(object):
+class bundle20:
     """represent an outgoing bundle2 container
 
     Use the `addparam` method to add stream level parameter. and `newpart` to
@@ -750,7 +750,7 class bundle20(object):
         return salvaged
 
 
-class unpackermixin(object):
+class unpackermixin:
     """A mixin to extract bytes and struct data from a stream"""
 
     def __init__(self, fp):
@@ -983,7 +983,7 def processcompression(unbundler, param,
         unbundler._compressed = True
 
 
-class bundlepart(object):
+class bundlepart:
     """A bundle2 part contains application level payload
 
     The part `type` is used to route the part to the application level
@@ -1273,7 +1273,7 class interrupthandler(unpackermixin):
         )
 
 
-class interruptoperation(object):
+class interruptoperation:
     """A limited operation to be use by part handler during interruption
 
     It only have access to an ui object.

mercurial/bundlecaches.py

@@ -21,7 +21,7 CB_MANIFEST_FILE = b'clonebundles.manife
 
 
 @attr.s
-class bundlespec(object):
+class bundlespec:
     compression = attr.ib()
     wirecompression = attr.ib()
     version = attr.ib()
@@ -343,7 +343,7 def filterclonebundleentries(repo, entri
     return newentries
 
 
-class clonebundleentry(object):
+class clonebundleentry:
     """Represents an item in a clone bundles manifest.
 
     This rich class is needed to support sorting since sorted() in Python 3

mercurial/bundlerepo.py

@@ -270,7 +270,7 def _getfilestarts(cgunpacker):
     return filespos
 
 
-class bundlerepository(object):
+class bundlerepository:
     """A repository instance that is a union of a local repo and a bundle.
 
     Instances represent a read-only repository composed of a local repository
@@ -550,7 +550,7 def makebundlerepository(ui, repopath, b
     return repo
 
 
-class bundletransactionmanager(object):
+class bundletransactionmanager:
     def transaction(self):
         return None
 

mercurial/cffi/osutil.py

@@ -33,7 +33,7 if pycompat.isdarwin:
     attrkinds[lib.VFIFO] = statmod.S_IFIFO
     attrkinds[lib.VSOCK] = statmod.S_IFSOCK
 
-    class stat_res(object):
+    class stat_res:
         def __init__(self, st_mode, st_mtime, st_size):
             self.st_mode = st_mode
             self.st_mtime = st_mtime

mercurial/changegroup.py

@@ -105,7 +105,7 def writechunks(ui, chunks, filename, vf
                 os.unlink(cleanup)
 
 
-class cg1unpacker(object):
+class cg1unpacker:
     """Unpacker for cg1 changegroup streams.
 
     A changegroup unpacker handles the framing of the revision data in
@@ -691,7 +691,7 class cg4unpacker(cg3unpacker):
         )
 
 
-class headerlessfixup(object):
+class headerlessfixup:
     def __init__(self, fh, h):
         self._h = h
         self._fh = fh
@@ -1003,7 +1003,7 def deltagroup(
         progress.complete()
 
 
-class cgpacker(object):
+class cgpacker:
     def __init__(
         self,
         repo,

mercurial/changelog.py

@@ -91,7 +91,7 def stripdesc(desc):
     return b'\n'.join([l.rstrip() for l in desc.splitlines()]).strip(b'\n')
 
 
-class appender(object):
+class appender:
     """the changelog index must be updated last on disk, so we use this class
     to delay writes to it"""
 
@@ -161,7 +161,7 class appender(object):
         return self.fp.__exit__(*args)
 
 
-class _divertopener(object):
+class _divertopener:
     def __init__(self, opener, target):
         self._opener = opener
         self._target = target
@@ -188,7 +188,7 def _delayopener(opener, target, buf):
 
 
 @attr.s
-class _changelogrevision(object):
+class _changelogrevision:
     # Extensions might modify _defaultextra, so let the constructor below pass
     # it in
     extra = attr.ib()
@@ -204,7 +204,7 class _changelogrevision(object):
     branchinfo = attr.ib(default=(_defaultextra[b'branch'], False))
 
 
-class changelogrevision(object):
+class changelogrevision:
     """Holds results of a parsed changelog revision.
 
     Changelog revisions consist of multiple pieces of data, including

mercurial/chgserver.py

@@ -196,7 +196,7 def _mtimehash(paths):
     return _hashlist(pycompat.maplist(trystat, paths))[:12]
 
 
-class hashstate(object):
+class hashstate:
     """a structure storing confighash, mtimehash, paths used for mtimehash"""
 
     def __init__(self, confighash, mtimehash, mtimepaths):
@@ -292,7 +292,7 def _loadnewui(srcui, args, cdebug):
     return (newui, newlui)
 
 
-class channeledsystem(object):
+class channeledsystem:
     """Propagate ui.system() request in the following format:
 
     payload length (unsigned int),
@@ -623,7 +623,7 def _hashaddress(address, hashstr):
     return b'%s-%s' % (os.path.join(dirname, basename), hashstr)
 
 
-class chgunixservicehandler(object):
+class chgunixservicehandler:
     """Set of operations for chg services"""
 
     pollinterval = 1  # [sec]

mercurial/cmdutil.py

@@ -666,7 +666,7 def dorecord(
     return commit(ui, repo, recordinwlock, pats, opts)
 
 
-class dirnode(object):
+class dirnode:
     """
     Represent a directory in user working copy with information required for
     the purpose of tersing its status.
@@ -832,7 +832,7 def _commentlines(raw):
 
 
 @attr.s(frozen=True)
-class morestatus(object):
+class morestatus:
     reporoot = attr.ib()
     unfinishedop = attr.ib()
     unfinishedmsg = attr.ib()
@@ -1343,7 +1343,7 def isstdiofilename(pat):
     return not pat or pat == b'-'
 
 
-class _unclosablefile(object):
+class _unclosablefile:
     def __init__(self, fp):
         self._fp = fp
 

mercurial/commandserver.py

@@ -39,7 +39,7 from .utils import (
 )
 
 
-class channeledoutput(object):
+class channeledoutput:
     """
     Write data to out in the following format:
 
@@ -68,7 +68,7 class channeledoutput(object):
         return getattr(self.out, attr)
 
 
-class channeledmessage(object):
+class channeledmessage:
     """
     Write encoded message and metadata to out in the following format:
 
@@ -97,7 +97,7 class channeledmessage(object):
         return getattr(self._cout, attr)
 
 
-class channeledinput(object):
+class channeledinput:
     """
     Read data from in_.
 
@@ -200,7 +200,7 def _selectmessageencoder(ui):
     )
 
 
-class server(object):
+class server:
     """
     Listens for commands on fin, runs them and writes the output on a channel
     based stream to fout.
@@ -450,7 +450,7 def setuplogging(ui, repo=None, fp=None)
         u.setlogger(b'cmdserver', logger)
 
 
-class pipeservice(object):
+class pipeservice:
     def __init__(self, ui, repo, opts):
         self.ui = ui
         self.repo = repo
@@ -525,7 +525,7 def _serverequest(ui, repo, conn, create
                 raise
 
 
-class unixservicehandler(object):
+class unixservicehandler:
     """Set of pluggable operations for unix-mode services
 
     Almost all methods except for createcmdserver() are called in the main
@@ -559,7 +559,7 class unixservicehandler(object):
         return server(self.ui, repo, fin, fout, prereposetups)
 
 
-class unixforkingservice(object):
+class unixforkingservice:
     """
     Listens on unix domain socket and forks server per connection
     """

mercurial/config.py

@@ -18,7 +18,7 from . import (
 )
 
 
-class config(object):
+class config:
     def __init__(self, data=None):
         self._current_source_level = 0
         self._data = {}

mercurial/configitems.py

@@ -29,7 +29,7 def loadconfigtable(ui, extname, configt
         knownitems.update(items)
 
 
-class configitem(object):
+class configitem:
     """represent a known config item
 
     :section: the official config section where to find this item,

mercurial/context.py

@@ -51,7 +51,7 from .dirstateutils import (
 propertycache = util.propertycache
 
 
-class basectx(object):
+class basectx:
     """A basectx object represents the common logic for its children:
     changectx: read-only context that is already present in the repo,
     workingctx: a context that represents the working directory and can
@@ -796,7 +796,7 class changectx(basectx):
         return self.walk(match)
 
 
-class basefilectx(object):
+class basefilectx:
     """A filecontext object represents the common logic for its children:
     filectx: read-only access to a filerevision that is already present
              in the repo,
@@ -3104,7 +3104,7 class metadataonlyctx(committablectx):
         return scmutil.status(modified, added, removed, [], [], [], [])
 
 
-class arbitraryfilectx(object):
+class arbitraryfilectx:
     """Allows you to use filectx-like functions on a file in an arbitrary
     location on disk, possibly not in the working directory.
     """

mercurial/copies.py

@@ -887,7 +887,7 def _checksinglesidecopies(
             copy[dst] = src
 
 
-class branch_copies(object):
+class branch_copies:
     """Information about copies made on one side of a merge/graft.
 
     "copy" is a mapping from destination name -> source name,

mercurial/crecord.py

@@ -82,7 +82,7 def checkcurses(ui):
     return curses and ui.interface(b"chunkselector") == b"curses"
 
 
-class patchnode(object):
+class patchnode:
     """abstract class for patch graph nodes
     (i.e. patchroot, header, hunk, hunkline)
     """
@@ -601,7 +601,7 def testchunkselector(testfn, ui, header
     """
     chunkselector = curseschunkselector(headerlist, ui, operation)
 
-    class dummystdscr(object):
+    class dummystdscr:
         def clear(self):
             pass
 
@@ -628,7 +628,7 def testchunkselector(testfn, ui, header
 }
 
 
-class curseschunkselector(object):
+class curseschunkselector:
     def __init__(self, headerlist, ui, operation=None):
         # put the headers into a patch object
         self.headerlist = patch(headerlist)

mercurial/dagop.py

@@ -271,7 +271,7 def descendantrevs(revs, revsfn, parentr
                 break
 
 
-class subsetparentswalker(object):
+class subsetparentswalker:
     r"""Scan adjacent ancestors in the graph given by the subset
 
     This computes parent-child relations in the sub graph filtered by
@@ -647,7 +647,7 def blockdescendants(fctx, fromline, tol
 
 
 @attr.s(slots=True, frozen=True)
-class annotateline(object):
+class annotateline:
     fctx = attr.ib()
     lineno = attr.ib()
     # Whether this annotation was the result of a skip-annotate.
@@ -656,7 +656,7 class annotateline(object):
 
 
 @attr.s(slots=True, frozen=True)
-class _annotatedfile(object):
+class _annotatedfile:
     # list indexed by lineno - 1
     fctxs = attr.ib()
     linenos = attr.ib()

mercurial/dirstate.py

@@ -90,7 +90,7 def requires_no_parents_change(func):
 
 
 @interfaceutil.implementer(intdirstate.idirstate)
-class dirstate(object):
+class dirstate:
     def __init__(
         self,
         opener,

mercurial/dirstatemap.py

@@ -34,7 +34,7 else:
 rangemask = 0x7FFFFFFF
 
 
-class _dirstatemapcommon(object):
+class _dirstatemapcommon:
     """
     Methods that are identical for both implementations of the dirstatemap
     class, with and without Rust extensions enabled.

mercurial/dirstateutils/docket.py

@@ -28,7 +28,7 HEADER = struct.Struct(
 )
 
 
-class DirstateDocket(object):
+class DirstateDocket:
     data_filename_pattern = b'dirstate.%s'
 
     def __init__(self, parents, data_size, tree_metadata, uuid):

mercurial/dirstateutils/v2.py

@@ -125,7 +125,7 def slice_with_len(data, start, len):
 
 
 @attr.s
-class Node(object):
+class Node:
     path = attr.ib()
     entry = attr.ib()
     parent = attr.ib(default=None)

mercurial/discovery.py

@@ -73,7 +73,7 def findcommonincoming(repo, remote, hea
     return (list(common), anyinc, heads or list(srvheads))
 
 
-class outgoing(object):
+class outgoing:
     """Represents the result of a findcommonoutgoing() call.
 
     Members:

mercurial/dispatch.py

@@ -53,7 +53,7 from .utils import (
 )
 
 
-class request(object):
+class request:
     def __init__(
         self,
         args,
@@ -557,7 +557,7 def aliasinterpolate(name, args, cmd):
     return r.sub(lambda x: replacemap[x.group()], cmd)
 
 
-class cmdalias(object):
+class cmdalias:
     def __init__(self, ui, name, definition, cmdtable, source):
         self.name = self.cmd = name
         self.cmdname = b''
@@ -740,7 +740,7 class cmdalias(object):
                 raise
 
 
-class lazyaliasentry(object):
+class lazyaliasentry:
     """like a typical command entry (func, opts, help), but is lazy"""
 
     def __init__(self, ui, name, definition, cmdtable, source):

mercurial/encoding.py

@@ -510,7 +510,7 def trim(s, width, ellipsis=b'', leftsid
     return u + ellipsis
 
 
-class normcasespecs(object):
+class normcasespecs:
     """what a platform's normcase does to ASCII strings
 
     This is specified per platform, and should be consistent with what normcase

mercurial/error.py

@@ -39,7 +39,7 def _tobytes(exc):
     return b'(%s)' % b', '.join(b"'%s'" % pycompat.bytestr(a) for a in exc.args)
 
 
-class Hint(object):
+class Hint:
     """Mix-in to provide a hint of an error
 
     This should come first in the inheritance list to consume a hint and

mercurial/exchange.py

@@ -222,7 +222,7 def _forcebundle1(op):
     return forcebundle1 or not op.remote.capable(b'bundle2')
 
 
-class pushoperation(object):
+class pushoperation:
     """A object that represent a single push operation
 
     Its purpose is to carry push related state and very common operations.
@@ -1371,7 +1371,7 def _pushbookmark(pushop):
                 pushop.bkresult = 1
 
 
-class pulloperation(object):
+class pulloperation:
     """A object that represent a single pull operation
 
     It purpose is to carry pull related state and very common operation.

mercurial/extensions.py

@@ -621,7 +621,7 def wrapfilecache(cls, propname, wrapper
         raise AttributeError("type '%s' has no property '%s'" % (cls, propname))
 
 
-class wrappedfunction(object):
+class wrappedfunction:
     '''context manager for temporarily wrapping a function'''
 
     def __init__(self, container, funcname, wrapper):

mercurial/exthelper.py

@@ -20,7 +20,7 from . import (
 from hgdemandimport import tracing
 
 
-class exthelper(object):
+class exthelper:
     """Helper for modular extension setup
 
     A single helper should be instantiated for each module of an

mercurial/fancyopts.py

@@ -204,7 +204,7 def earlygetopt(args, shortlist, namelis
     return parsedopts, parsedargs
 
 
-class customopt(object):  # pytype: disable=ignored-metaclass
+class customopt:  # pytype: disable=ignored-metaclass
     """Manage defaults and mutations for any type of opt."""
 
     __metaclass__ = abc.ABCMeta

mercurial/filelog.py

@@ -24,7 +24,7 from .revlogutils import (
 
 
 @interfaceutil.implementer(repository.ifilestorage)
-class filelog(object):
+class filelog:
     def __init__(self, opener, path):
         self._revlog = revlog.revlog(
             opener,

mercurial/filemerge.py

@@ -84,7 +84,7 fullmerge = internaltool.fullmerge # bo
 )
 
 
-class absentfilectx(object):
+class absentfilectx:
     """Represents a file that's ostensibly in a context but is actually not
     present in it.
 

mercurial/fileset.py

@@ -503,7 +503,7 methods = {
 }
 
 
-class matchctx(object):
+class matchctx:
     def __init__(self, basectx, ctx, cwd, badfn=None):
         self._basectx = basectx
         self.ctx = ctx

mercurial/formatter.py

@@ -144,7 +144,7 def isprintable(obj):
     return isinstance(obj, (type(None), bool, int, int, float, bytes))
 
 
-class _nullconverter(object):
+class _nullconverter:
     '''convert non-primitive data types to be processed by formatter'''
 
     # set to True if context object should be stored as item
@@ -175,7 +175,7 class _nullconverter(object):
         return list(data)
 
 
-class baseformatter(object):
+class baseformatter:
 
     # set to True if the formater output a strict format that does not support
     # arbitrary output in the stream.
@@ -297,7 +297,7 def _iteritems(data):
     return data
 
 
-class _plainconverter(object):
+class _plainconverter:
     '''convert non-primitive data types to text'''
 
     storecontext = False
@@ -452,7 +452,7 class jsonformatter(baseformatter):
         self._out.write(b"\n]\n")
 
 
-class _templateconverter(object):
+class _templateconverter:
     '''convert non-primitive data types to be processed by templater'''
 
     storecontext = True
@@ -541,7 +541,7 class templateformatter(baseformatter):
 
 
 @attr.s(frozen=True)
-class templatespec(object):
+class templatespec:
     ref = attr.ib()
     tmpl = attr.ib()
     mapfile = attr.ib()

mercurial/graphmod.py

@@ -358,7 +358,7 def _drawendinglines(lines, extra, edgem
 
 
 @attr.s
-class asciistate(object):
+class asciistate:
     """State of ascii() graph rendering"""
 
     seen = attr.ib(init=False, default=attr.Factory(list))

mercurial/grep.py

@@ -35,7 +35,7 def matchlines(body, regexp):
         yield linenum, mstart - lstart, mend - lstart, body[lstart:lend]
 
 
-class linestate(object):
+class linestate:
     def __init__(self, line, linenum, colstart, colend):
         self.line = line
         self.linenum = linenum
@@ -79,7 +79,7 def difflinestates(a, b):
                 yield (b'+', b[i])
 
 
-class grepsearcher(object):
+class grepsearcher:
     """Search files and revisions for lines matching the given pattern
 
     Options:

mercurial/hg.py

@@ -1534,7 +1534,7 foi = [
 ]
 
 
-class cachedlocalrepo(object):
+class cachedlocalrepo:
     """Holds a localrepository that can be cached and reused."""
 
     def __init__(self, repo):

mercurial/hgweb/__init__.py

@@ -54,7 +54,7 def hgwebdir(config, baseui=None):
     return hgwebdir_mod.hgwebdir(config, baseui=baseui)
 
 
-class httpservice(object):
+class httpservice:
     def __init__(self, ui, app, opts):
         self.ui = ui
         self.app = app

mercurial/hgweb/common.py

@@ -115,7 +115,7 class ErrorResponse(Exception):
         self.message = message
 
 
-class continuereader(object):
+class continuereader:
     """File object wrapper to handle HTTP 100-continue.
 
     This is used by servers so they automatically handle Expect: 100-continue

mercurial/hgweb/hgweb_mod.py

@@ -110,7 +110,7 def makebreadcrumb(url, prefix=b''):
     return templateutil.mappinglist(reversed(breadcrumb))
 
 
-class requestcontext(object):
+class requestcontext:
     """Holds state/context for an individual request.
 
     Servers can be multi-threaded. Holding state on the WSGI application
@@ -235,7 +235,7 class requestcontext(object):
         return self.res.sendresponse()
 
 
-class hgweb(object):
+class hgweb:
     """HTTP server for individual repositories.
 
     Instances of this class serve HTTP responses for a particular

mercurial/hgweb/hgwebdir_mod.py

@@ -268,7 +268,7 def indexentries(
     return templateutil.mappinggenerator(_indexentriesgen, args=args)
 
 
-class hgwebdir(object):
+class hgwebdir:
     """HTTP server for multiple repositories.
 
     Given a configuration, different repositories will be served depending

mercurial/hgweb/request.py

@@ -21,7 +21,7 from ..utils import (
 )
 
 
-class multidict(object):
+class multidict:
     """A dict like object that can store multiple values for a key.
 
     Used to store parsed request parameters.
@@ -81,7 +81,7 class multidict(object):
 
 
 @attr.s(frozen=True)
-class parsedrequest(object):
+class parsedrequest:
     """Represents a parsed WSGI request.
 
     Contains both parsed parameters as well as a handle on the input stream.
@@ -355,7 +355,7 def parserequestfromenv(env, reponame=No
     )
 
 
-class offsettrackingwriter(object):
+class offsettrackingwriter:
     """A file object like object that is append only and tracks write count.
 
     Instances are bound to a callable. This callable is called with data
@@ -388,7 +388,7 class offsettrackingwriter(object):
         return self._offset
 
 
-class wsgiresponse(object):
+class wsgiresponse:
     """Represents a response to a WSGI request.
 
     A response consists of a status line, headers, and a body.

mercurial/hgweb/server.py

@@ -52,7 +52,7 def _splitURI(uri):
     return urlreq.unquote(path), query
 
 
-class _error_logger(object):
+class _error_logger:
     def __init__(self, handler):
         self.handler = handler
 
@@ -343,7 +343,7 except ImportError:
         _mixin = socketserver.ForkingMixIn
     else:
 
-        class _mixin(object):
+        class _mixin:
             pass
 
 

mercurial/hgweb/webcommands.py

@@ -46,7 +46,7 from . import webutil
 commands = {}
 
 
-class webcommand(object):
+class webcommand:
     """Decorator used to register a web command handler.
 
     The decorator takes as its positional arguments the name/path the

mercurial/hgweb/webutil.py

@@ -99,7 +99,7 def _navseq(step, firststep=None):
         step *= 10
 
 
-class revnav(object):
+class revnav:
     def __init__(self, repo):
         """Navigation generation object
 

mercurial/hgweb/wsgiheaders.py

@@ -29,7 +29,7 def _formatparam(param, value=None, quot
         return param
 
 
-class Headers(object):
+class Headers:
     """Manage a collection of HTTP response headers"""
 
     def __init__(self, headers=None):

mercurial/httpconnection.py

@@ -26,7 +26,7 urlerr = util.urlerr
 urlreq = util.urlreq
 
 # moved here from url.py to avoid a cycle
-class httpsendfile(object):
+class httpsendfile:
     """This is a wrapper around the objects returned by python's "open".
 
     Its purpose is to send file-like objects via HTTP.

mercurial/httppeer.py

@@ -62,7 +62,7 def encodevalueinheaders(value, header,
     return result
 
 
-class _multifile(object):
+class _multifile:
     def __init__(self, *fileobjs):
         for f in fileobjs:
             if not util.safehasattr(f, b'length'):

mercurial/interfaces/repository.py

@@ -388,7 +388,7 class ipeerv2(ipeerconnection, ipeercapa
 
 
 @interfaceutil.implementer(ipeerbase)
-class peer(object):
+class peer:
     """Base class for peer repositories."""
 
     limitedarguments = False

mercurial/interfaces/util.py

@@ -20,11 +20,11 if encoding.environ.get(b'HGREALINTERFAC
     implementer = zi.implementer
 else:
 
-    class Attribute(object):
+    class Attribute:
         def __init__(self, __name__, __doc__=b''):
             pass
 
-    class Interface(object):
+    class Interface:
         def __init__(
             self, name, bases=(), attrs=None, __doc__=None, __module__=None
         ):

mercurial/keepalive.py

@@ -107,7 +107,7 urlreq = util.urlreq
 DEBUG = None
 
 
-class ConnectionManager(object):
+class ConnectionManager:
     """
     The connection manager must be able to:
       * keep track of all existing
@@ -170,7 +170,7 class ConnectionManager(object):
             return dict(self._hostmap)
 
 
-class KeepAliveHandler(object):
+class KeepAliveHandler:
     def __init__(self, timeout=None):
         self._cm = ConnectionManager()
         self._timeout = timeout
@@ -789,7 +789,7 def test_timeout(url):
     global DEBUG
     dbbackup = DEBUG
 
-    class FakeLogger(object):
+    class FakeLogger:
         def debug(self, msg, *args):
             print(msg % args)
 

mercurial/linelog.py

@@ -33,7 +33,7 class LineLogError(Exception):
 
 
 @attr.s
-class lineinfo(object):
+class lineinfo:
     # Introducing revision of this line.
     rev = attr.ib()
     # Line number for this line in its introducing revision.
@@ -43,7 +43,7 class lineinfo(object):
 
 
 @attr.s
-class annotateresult(object):
+class annotateresult:
     rev = attr.ib()
     lines = attr.ib()
     _eof = attr.ib()
@@ -52,7 +52,7 class annotateresult(object):
         return iter(self.lines)
 
 
-class _llinstruction(object):  # pytype: disable=ignored-metaclass
+class _llinstruction:  # pytype: disable=ignored-metaclass
 
     __metaclass__ = abc.ABCMeta
 
@@ -233,7 +233,7 def _decodeone(data, offset):
     raise NotImplementedError(b'Unimplemented opcode %r' % opcode)
 
 
-class linelog(object):
+class linelog:
     """Efficient cache for per-line history information."""
 
     def __init__(self, program=None, maxrev=0):

mercurial/localrepo.py

@@ -251,7 +251,7 legacycaps = moderncaps.union({b'changeg
 
 
 @interfaceutil.implementer(repository.ipeercommandexecutor)
-class localcommandexecutor(object):
+class localcommandexecutor:
     def __init__(self, peer):
         self._peer = peer
         self._sent = False
@@ -1215,7 +1215,7 def makemain(**kwargs):
 
 
 @interfaceutil.implementer(repository.ilocalrepositoryfilestorage)
-class revlogfilestorage(object):
+class revlogfilestorage:
     """File storage when using revlogs."""
 
     def file(self, path):
@@ -1226,7 +1226,7 class revlogfilestorage(object):
 
 
 @interfaceutil.implementer(repository.ilocalrepositoryfilestorage)
-class revlognarrowfilestorage(object):
+class revlognarrowfilestorage:
     """File storage when using revlogs and narrow files."""
 
     def file(self, path):
@@ -1259,7 +1259,7 REPO_INTERFACES = [
 
 
 @interfaceutil.implementer(repository.ilocalrepositorymain)
-class localrepository(object):
+class localrepository:
     """Main class for representing local repositories.
 
     All local repositories are instances of this class.
@@ -2044,7 +2044,7 class localrepository(object):
 
         # This simplifies its cache management by having one decorated
         # function (this one) and the rest simply fetch things from it.
-        class tagscache(object):
+        class tagscache:
             def __init__(self):
                 # These two define the set of tags for this repository. tags
                 # maps tag name to node; tagtypes maps tag name to 'global' or
@@ -3912,7 +3912,7 def poisonrepository(repo):
     #
     # But we have to allow the close() method because some constructors
     # of repos call close() on repo references.
-    class poisonedrepository(object):
+    class poisonedrepository:
         def __getattribute__(self, item):
             if item == 'close':
                 return object.__getattribute__(self, item)

mercurial/lock.py

@@ -173,7 +173,7 def trylock(ui, vfs, lockname, timeout,
     return l
 
 
-class lock(object):
+class lock:
     """An advisory lock held by one process to control access to a set
     of files.  Non-cooperating processes or incorrectly written scripts
     can ignore Mercurial's locking scheme and stomp all over the

mercurial/logcmdutil.py

@@ -227,7 +227,7 def diffordiffstat(
             )
 
 
-class changesetdiffer(object):
+class changesetdiffer:
     """Generate diff of changeset with pre-configured filtering functions"""
 
     def _makefilematcher(self, ctx):
@@ -261,7 +261,7 def changesetlabels(ctx):
     return b' '.join(labels)
 
 
-class changesetprinter(object):
+class changesetprinter:
     '''show changeset information when templating not requested.'''
 
     def __init__(self, ui, repo, differ=None, diffopts=None, buffered=False):
@@ -706,7 +706,7 def changesetdisplayer(ui, repo, opts, d
 
 
 @attr.s
-class walkopts(object):
+class walkopts:
     """Options to configure a set of revisions and file matcher factory
     to scan revision/file history
     """

mercurial/loggingutil.py

@@ -73,7 +73,7 def _matchevent(event, tracked):
     return b'*' in tracked or event in tracked
 
 
-class filelogger(object):
+class filelogger:
     """Basic logger backed by physical file with optional rotation"""
 
     def __init__(self, vfs, name, tracked, maxfiles=0, maxsize=0):
@@ -104,7 +104,7 class filelogger(object):
             )
 
 
-class fileobjectlogger(object):
+class fileobjectlogger:
     """Basic logger backed by file-like object"""
 
     def __init__(self, fp, tracked):
@@ -129,7 +129,7 class fileobjectlogger(object):
             )
 
 
-class proxylogger(object):
+class proxylogger:
     """Forward log events to another logger to be set later"""
 
     def __init__(self):

mercurial/lsprof.py

@@ -22,7 +22,7 def profile(f, *args, **kwds):
     return Stats(p.getstats())
 
 
-class Stats(object):
+class Stats:
     """XXX docstring"""
 
     def __init__(self, data):

mercurial/lsprofcalltree.py

@@ -26,7 +26,7 def label(code):
         )
 
 
-class KCacheGrind(object):
+class KCacheGrind:
     def __init__(self, profiler):
         self.data = profiler.getstats()
         self.out_file = None

mercurial/manifest.py

@@ -84,7 +84,7 def _text(it):
     return b''.join(lines)
 
 
-class lazymanifestiter(object):
+class lazymanifestiter:
     def __init__(self, lm):
         self.pos = 0
         self.lm = lm
@@ -107,7 +107,7 class lazymanifestiter(object):
     __next__ = next
 
 
-class lazymanifestiterentries(object):
+class lazymanifestiterentries:
     def __init__(self, lm):
         self.lm = lm
         self.pos = 0
@@ -158,7 +158,7 def _cmp(a, b):
 _manifestflags = {b'', b'l', b't', b'x'}
 
 
-class _lazymanifest(object):
+class _lazymanifest:
     """A pure python manifest backed by a byte string.  It is supplimented with
     internal lists as it is modified, until it is compacted back to a pure byte
     string.
@@ -473,7 +473,7 except AttributeError:
 
 
 @interfaceutil.implementer(repository.imanifestdict)
-class manifestdict(object):
+class manifestdict:
     def __init__(self, nodelen, data=b''):
         self._nodelen = nodelen
         self._lm = _lazymanifest(nodelen, data)
@@ -796,7 +796,7 def _splittopdir(f):
 
 
 @interfaceutil.implementer(repository.imanifestdict)
-class treemanifest(object):
+class treemanifest:
     def __init__(self, nodeconstants, dir=b'', text=b''):
         self._dir = dir
         self.nodeconstants = nodeconstants
@@ -1550,7 +1550,7 class FastdeltaUnavailable(Exception):
 
 
 @interfaceutil.implementer(repository.imanifeststorage)
-class manifestrevlog(object):
+class manifestrevlog:
     """A revlog that stores manifest texts. This is responsible for caching the
     full-text manifest contents.
     """
@@ -1908,7 +1908,7 class manifestrevlog(object):
 
 
 @interfaceutil.implementer(repository.imanifestlog)
-class manifestlog(object):
+class manifestlog:
     """A collection class representing the collection of manifest snapshots
     referenced by commits in the repository.
 
@@ -2007,7 +2007,7 class manifestlog(object):
 
 
 @interfaceutil.implementer(repository.imanifestrevisionwritable)
-class memmanifestctx(object):
+class memmanifestctx:
     def __init__(self, manifestlog):
         self._manifestlog = manifestlog
         self._manifestdict = manifestdict(manifestlog.nodeconstants.nodelen)
@@ -2037,7 +2037,7 class memmanifestctx(object):
 
 
 @interfaceutil.implementer(repository.imanifestrevisionstored)
-class manifestctx(object):
+class manifestctx:
     """A class representing a single revision of a manifest, including its
     contents, its parent revs, and its linkrev.
     """
@@ -2117,7 +2117,7 class manifestctx(object):
 
 
 @interfaceutil.implementer(repository.imanifestrevisionwritable)
-class memtreemanifestctx(object):
+class memtreemanifestctx:
     def __init__(self, manifestlog, dir=b''):
         self._manifestlog = manifestlog
         self._dir = dir
@@ -2152,7 +2152,7 class memtreemanifestctx(object):
 
 
 @interfaceutil.implementer(repository.imanifestrevisionstored)
-class treemanifestctx(object):
+class treemanifestctx:
     def __init__(self, manifestlog, dir, node):
         self._manifestlog = manifestlog
         self._dir = dir

mercurial/match.py

@@ -382,7 +382,7 def _donormalize(patterns, default, root
     return kindpats
 
 
-class basematcher(object):
+class basematcher:
     def __init__(self, badfn=None):
         if badfn is not None:
             self.bad = badfn
@@ -659,7 +659,7 class patternmatcher(basematcher):
 # This is basically a reimplementation of pathutil.dirs that stores the
 # children instead of just a count of them, plus a small optional optimization
 # to avoid some directories we don't need.
-class _dirchildren(object):
+class _dirchildren:
     def __init__(self, paths, onlyinclude=None):
         self._dirs = {}
         self._onlyinclude = onlyinclude or []

mercurial/mdiff.py

@@ -37,7 +37,7 splitnewlines = bdiff.splitnewlines
 
 
 # TODO: this looks like it could be an attrs, which might help pytype
-class diffopts(object):
+class diffopts:
     """context is the number of context lines
     text treats all files as text
     showfunc enables diff -p output

mercurial/merge.py

@@ -66,7 +66,7 def _checkunknownfile(repo, wctx, mctx,
     )
 
 
-class _unknowndirschecker(object):
+class _unknowndirschecker:
     """
     Look for any unknown files or directories that may have a path conflict
     with a file.  If any path prefix of the file exists as a file or link,
@@ -537,7 +537,7 def _filternarrowactions(narrowmatch, br
             raise error.StateError(msg % f)
 
 
-class mergeresult(object):
+class mergeresult:
     """An object representing result of merging manifests.
 
     It has information about what actions need to be performed on dirstate
@@ -1467,7 +1467,7 def _prefetchfiles(repo, ctx, mresult):
 
 
 @attr.s(frozen=True)
-class updateresult(object):
+class updateresult:
     updatedcount = attr.ib()
     mergedcount = attr.ib()
     removedcount = attr.ib()

mercurial/mergestate.py

@@ -100,7 +100,7 CHANGE_REMOVED = b'removed'
 CHANGE_MODIFIED = b'modified'
 
 
-class MergeAction(object):
+class MergeAction:
     """represent an "action" merge need to take for a given file
 
     Attributes:
@@ -194,7 +194,7 CONVERT_MERGE_ACTIONS = (
 )
 
 
-class _mergestate_base(object):
+class _mergestate_base:
     """track 3-way merge state of individual files
 
     The merge state is stored on disk when needed. Two files are used: one with

mercurial/metadata.py

@@ -22,7 +22,7 from .revlogutils import (
 )
 
 
-class ChangingFiles(object):
+class ChangingFiles:
     """A class recording the changes made to files by a changeset
 
     Actions performed on files are gathered into 3 sets:

mercurial/namespaces.py

@@ -16,7 +16,7 def tolist(val):
         return [val]
 
 
-class namespaces(object):
+class namespaces:
     """provides an interface to register and operate on multiple namespaces. See
     the namespace class below for details on the namespace object.
 
@@ -124,7 +124,7 class namespaces(object):
         raise KeyError(_(b'no such name: %s') % name)
 
 
-class namespace(object):
+class namespace:
     """provides an interface to a namespace
 
     Namespaces are basically generic many-to-many mapping between some

mercurial/node.py

@@ -31,7 +31,7 nullrev = -1
 wdirrev = 0x7FFFFFFF
 
 
-class sha1nodeconstants(object):
+class sha1nodeconstants:
     nodelen = 20
 
     # In hex, this is '0000000000000000000000000000000000000000'

mercurial/obsolete.py

@@ -541,7 +541,7 def _checkinvalidmarkers(repo, markers):
             )
 
 
-class obsstore(object):
+class obsstore:
     """Store obsolete markers
 
     Markers can be accessed with two mappings:

mercurial/obsutil.py

@@ -56,7 +56,7 bumpedfix = 1
 usingsha256 = 2
 
 
-class marker(object):
+class marker:
     """Wrap obsolete marker raw data"""
 
     def __init__(self, repo, data):

mercurial/parser.py

@@ -25,7 +25,7 from . import (
 from .utils import stringutil
 
 
-class parser(object):
+class parser:
     def __init__(self, elements, methods=None):
         self._elements = elements
         self._methods = methods
@@ -415,7 +415,7 def parseerrordetail(inst):
         return inst.message
 
 
-class alias(object):
+class alias:
     """Parsed result of alias"""
 
     def __init__(self, name, args, err, replacement):
@@ -429,7 +429,7 class alias(object):
         self.warned = False
 
 
-class basealiasrules(object):
+class basealiasrules:
     """Parsing and expansion rule set of aliases
 
     This is a helper for fileset/revset/template aliases. A concrete rule set

mercurial/patch.py

@@ -149,7 +149,7 def split(stream):
     def remainder(cur):
         yield chunk(cur)
 
-    class fiter(object):
+    class fiter:
         def __init__(self, fp):
             self.fp = fp
 
@@ -342,7 +342,7 def _extract(ui, fileobj, tmpname, tmpfp
     return data
 
 
-class patchmeta(object):
+class patchmeta:
     """Patched file metadata
 
     'op' is the performed operation within ADD, DELETE, RENAME, MODIFY
@@ -435,7 +435,7 def readgitpatch(lr):
     return gitpatches
 
 
-class linereader(object):
+class linereader:
     # simple class to allow pushing lines back into the input stream
     def __init__(self, fp):
         self.fp = fp
@@ -456,7 +456,7 class linereader(object):
         return iter(self.readline, b'')
 
 
-class abstractbackend(object):
+class abstractbackend:
     def __init__(self, ui):
         self.ui = ui
 
@@ -592,7 +592,7 class workingbackend(fsbackend):
         return sorted(self.changed)
 
 
-class filestore(object):
+class filestore:
     def __init__(self, maxsize=None):
         self.opener = None
         self.files = {}
@@ -681,7 +681,7 contextdesc = re.compile(br'(?:---|\*\*\
 eolmodes = [b'strict', b'crlf', b'lf', b'auto']
 
 
-class patchfile(object):
+class patchfile:
     def __init__(self, ui, gp, backend, store, eolmode=b'strict'):
         self.fname = gp.path
         self.eolmode = eolmode
@@ -914,7 +914,7 class patchfile(object):
         return len(self.rej)
 
 
-class header(object):
+class header:
     """patch header"""
 
     diffgit_re = re.compile(b'diff --git a/(.*) b/(.*)$')
@@ -994,7 +994,7 class header(object):
         )
 
 
-class recordhunk(object):
+class recordhunk:
     """patch hunk
 
     XXX shouldn't we merge this with the other hunk class?
@@ -1349,7 +1349,7 the hunk is left unchanged.
     )
 
 
-class hunk(object):
+class hunk:
     def __init__(self, desc, num, lr, context):
         self.number = num
         self.desc = desc
@@ -1577,7 +1577,7 class hunk(object):
         return old, oldstart, new, newstart
 
 
-class binhunk(object):
+class binhunk:
     """A binary patch file."""
 
     def __init__(self, lr, fname):
@@ -1758,7 +1758,7 def parsepatch(originalchunks, maxcontex
     +9
     """
 
-    class parser(object):
+    class parser:
         """patch parsing state machine"""
 
         def __init__(self):

mercurial/pathutil.py

@@ -31,7 +31,7 def _lowerclean(s):
     return encoding.hfsignoreclean(s.lower())
 
 
-class pathauditor(object):
+class pathauditor:
     """ensure that a filesystem path contains no banned components.
     the following properties of a path are checked:
 
@@ -314,7 +314,7 def finddirs(path):
     yield b''
 
 
-class dirs(object):
+class dirs:
     '''a multiset of directory names from a set of file paths'''
 
     def __init__(self, map, only_tracked=False):

mercurial/phases.py

@@ -343,7 +343,7 def _trackphasechange(data, rev, old, ne
         data.insert(low + 1, (pycompat.xrange(rev, rev + 1), t))
 
 
-class phasecache(object):
+class phasecache:
     def __init__(self, repo, phasedefaults, _load=True):
         # type: (localrepo.localrepository, Optional[Phasedefaults], bool) -> None
         if _load:
@@ -879,7 +879,7 def analyzeremotephases(repo, subset, ro
     return publicheads, draftroots
 
 
-class remotephasessummary(object):
+class remotephasessummary:
     """summarize phase information on the remote side
 
     :publishing: True is the remote is publishing

mercurial/posix.py

@@ -664,7 +664,7 def hidewindow():
     pass
 
 
-class cachestat(object):
+class cachestat:
     def __init__(self, path):
         self.stat = os.stat(path)
 

mercurial/profiling.py

@@ -173,7 +173,7 def statprofile(ui, fp):
         statprof.display(fp, data=data, format=displayformat, **kwargs)
 
 
-class profile(object):
+class profile:
     """Start profiling.
 
     Profiling is active when the context manager is active. When the context
@@ -231,7 +231,7 class profile(object):
                 self._fp = open(path, b'wb')
             elif pycompat.iswindows:
                 # parse escape sequence by win32print()
-                class uifp(object):
+                class uifp:
                     def __init__(self, ui):
                         self._ui = ui
 

mercurial/progress.py

@@ -84,7 +84,7 def _eintrretry(func, *args):
             raise
 
 
-class progbar(object):
+class progbar:
     def __init__(self, ui):
         self.ui = ui
         self._refreshlock = threading.Lock()

mercurial/pure/osutil.py

@@ -220,7 +220,7 else:
             err.errno, '%s: %s' % (encoding.strfromlocal(name), err.strerror)
         )
 
-    class posixfile(object):
+    class posixfile:
         """a file object aiming for POSIX-like semantics
 
         CPython's open() returns a file that was opened *without* setting the

mercurial/pure/parsers.py

@@ -63,7 +63,7 DIRSTATE_V2_ALL_IGNORED_RECORDED = 1 <<
 
 
 @attr.s(slots=True, init=False)
-class DirstateItem(object):
+class DirstateItem:
     """represent a dirstate entry
 
     It hold multiple attributes
@@ -560,7 +560,7 def gettype(q):
     return int(q & 0xFFFF)
 
 
-class BaseIndexObject(object):
+class BaseIndexObject:
     # Can I be passed to an algorithme implemented in Rust ?
     rust_ext_compat = 0
     # Format of an index entry according to Python's `struct` language

mercurial/pvec.py

@@ -180,7 +180,7 def ctxpvec(ctx):
     return pvec(util.b85encode(bs))
 
 
-class pvec(object):
+class pvec:
     def __init__(self, hashorctx):
         if isinstance(hashorctx, bytes):
             self._bs = hashorctx

mercurial/pycompat.py

@@ -163,7 +163,7 class bytestr(bytes):
 
     __bytes__() should be called if provided:
 
-    >>> class bytesable(object):
+    >>> class bytesable:
     ...     def __bytes__(self):
     ...         return b'bytes'
     >>> bytestr(bytesable())

mercurial/registrar.py

@@ -21,7 +21,7 from . import (
 configitem = configitems.getitemregister
 
 
-class _funcregistrarbase(object):
+class _funcregistrarbase:
     """Base of decorator to register a function for specific purpose
 
     This decorator stores decorated functions into own dict 'table'.

mercurial/repair.py

@@ -379,7 +379,7 def safestriproots(ui, repo, nodes):
     return [c.node() for c in repo.set(b'roots(%ld)', tostrip)]
 
 
-class stripcallback(object):
+class stripcallback:
     """used as a transaction postclose callback"""
 
     def __init__(self, ui, repo, backup, topic):

mercurial/repocache.py

@@ -19,7 +19,7 from . import (
 )
 
 
-class repoloader(object):
+class repoloader:
     """Load repositories in background thread
 
     This is designed for a forking server. A cached repo cannot be obtained

mercurial/repoview.py

@@ -261,7 +261,7 def wrapchangelog(unfichangelog, filtere
     return cl
 
 
-class filteredchangelogmixin(object):
+class filteredchangelogmixin:
     def tiprev(self):
         """filtered version of revlog.tiprev"""
         for i in pycompat.xrange(len(self) - 1, -2, -1):
@@ -361,7 +361,7 class filteredchangelogmixin(object):
         return super(filteredchangelogmixin, self).flags(rev)
 
 
-class repoview(object):
+class repoview:
     """Provide a read/write view of a repo through a filtered changelog
 
     This object is used to access a filtered version of a repository without

mercurial/revlog.py

@@ -171,7 +171,7 HAS_FAST_PERSISTENT_NODEMAP = rustrevlog
 
 @interfaceutil.implementer(repository.irevisiondelta)
 @attr.s(slots=True)
-class revlogrevisiondelta(object):
+class revlogrevisiondelta:
     node = attr.ib()
     p1node = attr.ib()
     p2node = attr.ib()
@@ -187,7 +187,7 class revlogrevisiondelta(object):
 
 @interfaceutil.implementer(repository.iverifyproblem)
 @attr.s(frozen=True)
-class revlogproblem(object):
+class revlogproblem:
     warning = attr.ib(default=None)
     error = attr.ib(default=None)
     node = attr.ib(default=None)
@@ -237,7 +237,7 FILE_TOO_SHORT_MSG = _(
 )
 
 
-class revlog(object):
+class revlog:
     """
     the underlying revision storage object
 
@@ -1042,7 +1042,7 class revlog(object):
         heads = [self.rev(n) for n in heads]
 
         # we want the ancestors, but inclusive
-        class lazyset(object):
+        class lazyset:
             def __init__(self, lazyvalues):
                 self.addedvalues = set()
                 self.lazyvalues = lazyvalues

mercurial/revlogutils/__init__.py

@@ -62,7 +62,7 def entry(
 
 
 @attr.s(slots=True, frozen=True)
-class revisioninfo(object):
+class revisioninfo:
     """Information about a revision that allows building its fulltext
     node:       expected hash of the revision
     p1, p2:     parent revs of the revision

mercurial/revlogutils/deltas.py

@@ -38,7 +38,7 from . import flagutil
 LIMIT_DELTA2TEXT = 2
 
 
-class _testrevlog(object):
+class _testrevlog:
     """minimalist fake revlog to use in doctests"""
 
     def __init__(self, data, density=0.5, mingap=0, snapshot=()):
@@ -544,7 +544,7 def _textfromdelta(fh, revlog, baserev,
 
 
 @attr.s(slots=True, frozen=True)
-class _deltainfo(object):
+class _deltainfo:
     distance = attr.ib()
     deltalen = attr.ib()
     data = attr.ib()
@@ -927,7 +927,7 def _rawgroups(revlog, p1, p2, cachedelt
         yield (prev,)
 
 
-class deltacomputer(object):
+class deltacomputer:
     def __init__(self, revlog):
         self.revlog = revlog
 

mercurial/revlogutils/docket.py

@@ -99,7 +99,7 S_HEADER = struct.Struct(constants.INDEX
 S_OLD_UID = struct.Struct('>BL')
 
 
-class RevlogDocket(object):
+class RevlogDocket:
     """metadata associated with revlog"""
 
     def __init__(

mercurial/revlogutils/nodemap.py

@@ -113,7 +113,7 def setup_persistent_nodemap(tr, revlog)
     tr.addfinalize(callback_id, lambda tr: persist_nodemap(tr, revlog))
 
 
-class _NoTransaction(object):
+class _NoTransaction:
     """transaction like object to update the nodemap outside a transaction"""
 
     def __init__(self):
@@ -304,7 +304,7 S_VERSION = struct.Struct(">B")
 S_HEADER = struct.Struct(">BQQQQ")
 
 
-class NodeMapDocket(object):
+class NodeMapDocket:
     """metadata associated with persistent nodemap data
 
     The persistent data may come from disk or be on their way to disk.

mercurial/revlogutils/randomaccessfile.py

@@ -23,7 +23,7 def _is_power_of_two(n):
     return (n & (n - 1) == 0) and n != 0
 
 
-class randomaccessfile(object):
+class randomaccessfile:
     """Accessing arbitrary chuncks of data within a file, with some caching"""
 
     def __init__(

mercurial/scmutil.py

@@ -62,7 +62,7 termsize = scmplatform.termsize
 
 
 @attr.s(slots=True, repr=False)
-class status(object):
+class status:
     """Struct with a list of files per status.
 
     The 'deleted', 'unknown' and 'ignored' properties are only
@@ -323,7 +323,7 def checkportabilityalert(ui):
     return abort, warn
 
 
-class casecollisionauditor(object):
+class casecollisionauditor:
     def __init__(self, ui, abort, dirstate):
         self._ui = ui
         self._abort = abort
@@ -1019,7 +1019,7 def backuppath(ui, repo, filepath):
     return origvfs.join(filepath)
 
 
-class _containsnode(object):
+class _containsnode:
     """proxy __contains__(node) to container.__contains__ which accepts revs"""
 
     def __init__(self, repo, revcontainer):
@@ -1567,7 +1567,7 def writerequires(opener, requirements):
             fp.write(b"%s\n" % r)
 
 
-class filecachesubentry(object):
+class filecachesubentry:
     def __init__(self, path, stat):
         self.path = path
         self.cachestat = None
@@ -1623,7 +1623,7 class filecachesubentry(object):
                 raise
 
 
-class filecacheentry(object):
+class filecacheentry:
     def __init__(self, paths, stat=True):
         self._entries = []
         for path in paths:
@@ -1641,7 +1641,7 class filecacheentry(object):
             entry.refresh()
 
 
-class filecache(object):
+class filecache:
     """A property like decorator that tracks files under .hg/ for updates.
 
     On first access, the files defined as arguments are stat()ed and the
@@ -1798,7 +1798,7 def extdatasource(repo, source):
     return data
 
 
-class progress(object):
+class progress:
     def __init__(self, ui, updatebar, topic, unit=b"", total=None):
         self.ui = ui
         self.pos = 0
@@ -1863,7 +1863,7 def gddeltaconfig(ui):
     return ui.configbool(b'format', b'generaldelta')
 
 
-class simplekeyvaluefile(object):
+class simplekeyvaluefile:
     """A simple file with key=value lines
 
     Keys must be alphanumerics and start with a letter, values must not

mercurial/setdiscovery.py

@@ -106,7 +106,7 def _limitsample(sample, desiredlen, ran
     return set(sample[:desiredlen])
 
 
-class partialdiscovery(object):
+class partialdiscovery:
     """an object representing ongoing discovery
 
     Feed with data from the remote repository, this object keep track of the

mercurial/shelve.py

@@ -68,7 +68,7 shelvefileextensions = [b'hg', b'patch',
 shelveuser = b'shelve@localhost'
 
 
-class ShelfDir(object):
+class ShelfDir:
     def __init__(self, repo, for_backups=False):
         if for_backups:
             self.vfs = vfsmod.vfs(repo.vfs.join(backupdir))
@@ -101,7 +101,7 class ShelfDir(object):
         return sorted(info, reverse=True)
 
 
-class Shelf(object):
+class Shelf:
     """Represents a shelf, including possibly multiple files storing it.
 
     Old shelves will have a .patch and a .hg file. Newer shelves will
@@ -213,7 +213,7 class Shelf(object):
             self.vfs.tryunlink(self.name + b'.' + ext)
 
 
-class shelvedstate(object):
+class shelvedstate:
     """Handle persistence during unshelving operations.
 
     Handles saving and restoring a shelved state. Ensures that different

mercurial/simplemerge.py

@@ -62,7 +62,7 def compare_range(a, astart, aend, b, bs
         return True
 
 
-class Merge3Text(object):
+class Merge3Text:
     """3-way merge of texts.
 
     Given strings BASE, OTHER, THIS, tries to produce a combined text
@@ -468,7 +468,7 def _resolve(m3, sides):
     return lines
 
 
-class MergeInput(object):
+class MergeInput:
     def __init__(self, fctx, label=None, label_detail=None):
         self.fctx = fctx
         self.label = label

mercurial/smartset.py

@@ -20,7 +20,7 def _typename(o):
     return pycompat.sysbytes(type(o).__name__).lstrip(b'_')
 
 
-class abstractsmartset(object):
+class abstractsmartset:
     def __nonzero__(self):
         """True if the smartset is not empty"""
         raise NotImplementedError()

mercurial/sshpeer.py

@@ -47,7 +47,7 def _forwardoutput(ui, pipe, warn=False)
                 display(_(b"remote: "), l, b'\n')
 
 
-class doublepipe(object):
+class doublepipe:
     """Operate a side-channel pipe in addition of a main one
 
     The side-channel pipe contains server output to be forwarded to the user

mercurial/state.py

@@ -39,7 +39,7 if pycompat.TYPE_CHECKING:
         assert t
 
 
-class cmdstate(object):
+class cmdstate:
     """a wrapper class to store the state of commands like `rebase`, `graft`,
     `histedit`, `shelve` etc. Extensions can also use this to write state files.
 
@@ -102,7 +102,7 class cmdstate(object):
         return self._repo.vfs.exists(self.fname)
 
 
-class _statecheck(object):
+class _statecheck:
     """a utility class that deals with multistep operations like graft,
     histedit, bisect, update etc and check whether such commands
     are in an unfinished conditition or not and return appropriate message

mercurial/statichttprepo.py

@@ -34,7 +34,7 urlerr = util.urlerr
 urlreq = util.urlreq
 
 
-class httprangereader(object):
+class httprangereader:
     def __init__(self, url, opener):
         # we assume opener has HTTPRangeHandler
         self.url = url

mercurial/statprof.py

@@ -154,7 +154,7 def clock():
 ## Collection data structures
 
 
-class ProfileState(object):
+class ProfileState:
     def __init__(self, frequency=None):
         self.reset(frequency)
         self.track = b'cpu'
@@ -202,7 +202,7 class ProfileState(object):
 state = ProfileState()
 
 
-class CodeSite(object):
+class CodeSite:
     cache = {}
 
     __slots__ = ('path', 'lineno', 'function', 'source')
@@ -260,7 +260,7 class CodeSite(object):
         return '%s:%s' % (self.filename(), self.function)
 
 
-class Sample(object):
+class Sample:
     __slots__ = ('stack', 'time')
 
     def __init__(self, stack, time):
@@ -434,7 +434,7 def profile():
 ## Reporting API
 
 
-class SiteStats(object):
+class SiteStats:
     def __init__(self, site):
         self.site = site
         self.selfcount = 0
@@ -708,7 +708,7 def display_about_method(data, fp, funct
 
 
 def display_hotpath(data, fp, limit=0.05, **kwargs):
-    class HotNode(object):
+    class HotNode:
         def __init__(self, site):
             self.site = site
             self.count = 0

mercurial/store.py

@@ -455,7 +455,7 FILETYPE_FILELOG_OTHER = FILEFLAGS_FILEL
 FILETYPE_OTHER = FILEFLAGS_OTHER
 
 
-class basicstore(object):
+class basicstore:
     '''base class for local repository stores'''
 
     def __init__(self, path, vfstype):
@@ -601,7 +601,7 class encodedstore(basicstore):
         return [b'requires', b'00changelog.i'] + [b'store/' + f for f in _data]
 
 
-class fncache(object):
+class fncache:
     # the filename used to be partially encoded
     # hence the encodedir/decodedir dance
     def __init__(self, vfs):

mercurial/streamclone.py

@@ -516,7 +516,7 def applybundlev1(repo, fp):
     nodemap.post_stream_cleanup(repo)
 
 
-class streamcloneapplier(object):
+class streamcloneapplier:
     """Class to manage applying streaming clone bundles.
 
     We need to wrap ``applybundlev1()`` in a dedicated type to enable bundle

mercurial/subrepo.py

@@ -220,7 +220,7 def nullsubrepo(ctx, path, pctx):
 # subrepo classes need to implement the following abstract class:
 
 
-class abstractsubrepo(object):
+class abstractsubrepo:
     def __init__(self, ctx, path):
         """Initialize abstractsubrepo part
 

mercurial/tags.py

@@ -684,7 +684,7 def _tag(
 _fnodesmissingrec = b'\xff' * 24
 
 
-class hgtagsfnodescache(object):
+class hgtagsfnodescache:
     """Persistent cache mapping revisions to .hgtags filenodes.
 
     The cache is an array of records. Each item in the array corresponds to

mercurial/templater.py

@@ -626,7 +626,7 def unquotestring(s):
     return s[1:-1]
 
 
-class resourcemapper(object):  # pytype: disable=ignored-metaclass
+class resourcemapper:  # pytype: disable=ignored-metaclass
     """Mapper of internal template resources"""
 
     __metaclass__ = abc.ABCMeta
@@ -663,7 +663,7 class nullresourcemapper(resourcemapper)
         return {}
 
 
-class engine(object):
+class engine:
     """template expansion engine.
 
     template expansion works like this. a map file contains key=value
@@ -919,7 +919,7 def _readmapfile(fp, mapfile):
     return cache, tmap, aliases
 
 
-class loader(object):
+class loader:
     """Load template fragments optionally from a map file"""
 
     def __init__(self, cache, aliases):
@@ -994,7 +994,7 class loader(object):
         return syms
 
 
-class templater(object):
+class templater:
     def __init__(
         self,
         filters=None,

mercurial/templateutil.py

@@ -31,7 +31,7 class TemplateNotFound(error.Abort):
     pass
 
 
-class wrapped(object):  # pytype: disable=ignored-metaclass
+class wrapped:  # pytype: disable=ignored-metaclass
     """Object requiring extra conversion prior to displaying or processing
     as value
 
@@ -108,7 +108,7 class wrapped(object): # pytype: disabl
         """
 
 
-class mappable(object):  # pytype: disable=ignored-metaclass
+class mappable:  # pytype: disable=ignored-metaclass
     """Object which can be converted to a single template mapping"""
 
     __metaclass__ = abc.ABCMeta

mercurial/ui.py

@@ -169,7 +169,7 def _maybebytesurl(maybestr):
     return pycompat.rapply(pycompat.bytesurl, maybestr)
 
 
-class httppasswordmgrdbproxy(object):
+class httppasswordmgrdbproxy:
     """Delays loading urllib2 until it's needed."""
 
     def __init__(self):
@@ -207,7 +207,7 def _catchterm(*args):
 _reqexithandlers = []
 
 
-class ui(object):
+class ui:
     def __init__(self, src=None):
         """Create a fresh new ui object if no src given
 

mercurial/unionrepo.py

@@ -209,7 +209,7 class unionpeer(localrepo.localpeer):
         return False
 
 
-class unionrepository(object):
+class unionrepository:
     """Represents the union of data in 2 repositories.
 
     Instances are not usable if constructed directly. Use ``instance()``

mercurial/upgrade_utils/actions.py

@@ -45,7 +45,7 FORMAT_VARIANT = b'deficiency'
 OPTIMISATION = b'optimization'
 
 
-class improvement(object):
+class improvement:
     """Represents an improvement that can be made as part of an upgrade."""
 
     ### The following attributes should be defined for each subclass:
@@ -684,7 +684,7 def determine_upgrade_actions(
     return newactions
 
 
-class UpgradeOperation(object):
+class UpgradeOperation:
     """represent the work to be done during an upgrade"""
 
     def __init__(

mercurial/url.py

@@ -50,7 +50,7 def escape(s, quote=None):
     return s
 
 
-class passwordmgr(object):
+class passwordmgr:
     def __init__(self, ui, passwddb):
         self.ui = ui
         self.passwddb = passwddb

mercurial/urllibcompat.py

@@ -17,7 +17,7 from . import pycompat
 _sysstr = pycompat.sysstr
 
 
-class _pycompatstub(object):
+class _pycompatstub:
     def __init__(self):
         self._aliases = {}
 

mercurial/util.py

@@ -231,7 +231,7 for k in DIGESTS_BY_STRENGTH:
     assert k in DIGESTS
 
 
-class digester(object):
+class digester:
     """helper to compute digests.
 
     This helper can be used to compute one or more digests given their name.
@@ -279,7 +279,7 class digester(object):
         return None
 
 
-class digestchecker(object):
+class digestchecker:
     """file handle wrapper that additionally checks content against a given
     size and digests.
 
@@ -329,7 +329,7 except NameError:
 _chunksize = 4096
 
 
-class bufferedinputpipe(object):
+class bufferedinputpipe:
     """a manually buffered input pipe
 
     Python will not let us use buffered IO and lazy reading with 'polling' at
@@ -457,7 +457,7 def mmapread(fp, size=None):
         raise
 
 
-class fileobjectproxy(object):
+class fileobjectproxy:
     """A proxy around file objects that tells a watcher when events occur.
 
     This type is intended to only be used for testing purposes. Think hard
@@ -693,7 +693,7 PROXIED_SOCKET_METHODS = {
 }
 
 
-class socketproxy(object):
+class socketproxy:
     """A proxy around a socket that tells a watcher when events occur.
 
     This is like ``fileobjectproxy`` except for sockets.
@@ -816,7 +816,7 class socketproxy(object):
         )
 
 
-class baseproxyobserver(object):
+class baseproxyobserver:
     def __init__(self, fh, name, logdata, logdataapis):
         self.fh = fh
         self.name = name
@@ -1256,7 +1256,7 def cachefunc(func):
     return f
 
 
-class cow(object):
+class cow:
     """helper class to make copy-on-write easier
 
     Call preparewrite before doing any writes.
@@ -1349,7 +1349,7 class cowsortdict(cow, sortdict):
     """
 
 
-class transactional(object):  # pytype: disable=ignored-metaclass
+class transactional:  # pytype: disable=ignored-metaclass
     """Base class for making a transactional type into a context manager."""
 
     __metaclass__ = abc.ABCMeta
@@ -1400,7 +1400,7 def nullcontextmanager(enter_result=None
     yield enter_result
 
 
-class _lrucachenode(object):
+class _lrucachenode:
     """A node in a doubly linked list.
 
     Holds a reference to nodes on either side as well as a key-value
@@ -1424,7 +1424,7 class _lrucachenode(object):
         self.cost = 0
 
 
-class lrucachedict(object):
+class lrucachedict:
     """Dict that caches most recent accesses and sets.
 
     The dict consists of an actual backing dict - indexed by original
@@ -1755,7 +1755,7 def lrucachefunc(func):
     return f
 
 
-class propertycache(object):
+class propertycache:
     def __init__(self, func):
         self.func = func
         self.name = func.__name__
@@ -2214,7 +2214,7 except ImportError:
     _re2 = False
 
 
-class _re(object):
+class _re:
     def _checkre2(self):
         global _re2
         global _re2_input
@@ -2416,7 +2416,7 def mktempcopy(name, emptyok=False, crea
     return temp
 
 
-class filestat(object):
+class filestat:
     """help to exactly detect change of a file
 
     'stat' attribute is result of 'os.stat()' if specified 'path'
@@ -2522,7 +2522,7 class filestat(object):
         return not self == other
 
 
-class atomictempfile(object):
+class atomictempfile:
     """writable file object that atomically updates a file
 
     All writes will go to a temporary copy of the original file. Call
@@ -2665,7 +2665,7 def appendfile(path, text):
         fp.write(text)
 
 
-class chunkbuffer(object):
+class chunkbuffer:
     """Allow arbitrary sized chunks of data to be efficiently read from an
     iterator over chunks of arbitrary size."""
 
@@ -2770,7 +2770,7 def filechunkiter(f, size=131072, limit=
         yield s
 
 
-class cappedreader(object):
+class cappedreader:
     """A file object proxy that allows reading up to N bytes.
 
     Given a source file object, instances of this type allow reading up to
@@ -2858,7 +2858,7 bytecount = unitcountfn(
 )
 
 
-class transformingwriter(object):
+class transformingwriter:
     """Writable file wrapper to transform data by function"""
 
     def __init__(self, fp, encode):
@@ -2966,7 +2966,7 timecount = unitcountfn(
 
 
 @attr.s
-class timedcmstats(object):
+class timedcmstats:
     """Stats information produced by the timedcm context manager on entering."""
 
     # the starting value of the timer as a float (meaning and resulution is
@@ -3067,7 +3067,7 def sizetoint(s):
         raise error.ParseError(_(b"couldn't parse size: %s") % s)
 
 
-class hooks(object):
+class hooks:
     """A collection of hook functions that can be used to extend a
     function's behavior. Hooks are called in lexicographic order,
     based on the names of their sources."""

mercurial/utils/cborutil.py

@@ -483,7 +483,7 class bytestringchunk(bytes):
         return self
 
 
-class sansiodecoder(object):
+class sansiodecoder:
     """A CBOR decoder that doesn't perform its own I/O.
 
     To use, construct an instance and feed it segments containing
@@ -976,7 +976,7 class sansiodecoder(object):
         return l
 
 
-class bufferingdecoder(object):
+class bufferingdecoder:
     """A CBOR decoder that buffers undecoded input.
 
     This is a glorified wrapper around ``sansiodecoder`` that adds a buffering

mercurial/utils/compression.py

@@ -32,7 +32,7 compewireprotosupport = collections.name
 )
 
 
-class propertycache(object):
+class propertycache:
     def __init__(self, func):
         self.func = func
         self.name = func.__name__
@@ -47,7 +47,7 class propertycache(object):
         obj.__dict__[self.name] = value
 
 
-class compressormanager(object):
+class compressormanager:
     """Holds registrations of various compression engines.
 
     This class essentially abstracts the differences between compression
@@ -219,7 +219,7 class compressormanager(object):
 compengines = compressormanager()
 
 
-class compressionengine(object):
+class compressionengine:
     """Base class for compression engines.
 
     Compression engines must implement the interface defined by this class.
@@ -338,7 +338,7 class compressionengine(object):
         raise NotImplementedError()
 
 
-class _CompressedStreamReader(object):
+class _CompressedStreamReader:
     def __init__(self, fh):
         if safehasattr(fh, 'unbufferedread'):
             self._reader = fh.unbufferedread
@@ -482,7 +482,7 class _zlibengine(compressionengine):
     def decompressorreader(self, fh):
         return _GzipCompressedStreamReader(fh)
 
-    class zlibrevlogcompressor(object):
+    class zlibrevlogcompressor:
         def __init__(self, level=None):
             self._level = level
 
@@ -626,7 +626,7 class _noopengine(compressionengine):
     def decompressorreader(self, fh):
         return fh
 
-    class nooprevlogcompressor(object):
+    class nooprevlogcompressor:
         def compress(self, data):
             return None
 
@@ -698,7 +698,7 class _zstdengine(compressionengine):
     def decompressorreader(self, fh):
         return _ZstdCompressedStreamReader(fh, self._module)
 
-    class zstdrevlogcompressor(object):
+    class zstdrevlogcompressor:
         def __init__(self, zstd, level=3):
             # TODO consider omitting frame magic to save 4 bytes.
             # This writes content sizes into the frame header. That is
@@ -782,7 +782,7 def bundlecompressiontopics():
 
     # We need to format the docstring. So use a dummy object/type to hold it
     # rather than mutating the original.
-    class docobject(object):
+    class docobject:
         pass
 
     for name in compengines:

mercurial/utils/procutil.py

@@ -59,7 +59,7 class BadFile(io.RawIOBase):
         raise IOError(errno.EBADF, 'Bad file descriptor')
 
 
-class LineBufferedWrapper(object):
+class LineBufferedWrapper:
     def __init__(self, orig):
         self.orig = orig
 
@@ -98,7 +98,7 def unwrap_line_buffered(stream):
     return stream
 
 
-class WriteAllWrapper(object):
+class WriteAllWrapper:
     def __init__(self, orig):
         self.orig = orig
 
@@ -193,7 +193,7 def explainexit(code):
     return _(b"killed by signal %d") % -code
 
 
-class _pfile(object):
+class _pfile:
     """File-like wrapper for a stream opened by subprocess.Popen()"""
 
     def __init__(self, proc, fp):

mercurial/utils/stringutil.py

@@ -496,7 +496,7 def person(author):
 
 
 @attr.s(hash=True)
-class mailmapping(object):
+class mailmapping:
     """Represents a username/email key or value in
     a mailmap file"""
 

mercurial/utils/urlutil.py

@@ -54,7 +54,7 def getport(port):
         )
 
 
-class url(object):
+class url:
     r"""Reliable URL parser.
 
     This parses URLs and provides attributes for the following
@@ -832,7 +832,7 def _chain_path(base_path, ui, paths):
     return new_paths
 
 
-class path(object):
+class path:
     """Represents an individual path and its configuration."""
 
     def __init__(

mercurial/verify.py

@@ -54,7 +54,7 WARN_NULLID_COPY_SOURCE = _(
 )
 
 
-class verifier(object):
+class verifier:
     def __init__(self, repo, level=None):
         self.repo = repo.unfiltered()
         self.ui = repo.ui

mercurial/vfs.py

@@ -46,7 +46,7 def _avoidambig(path, oldstat):
         checkandavoid()
 
 
-class abstractvfs(object):
+class abstractvfs:
     """Abstract base class; cannot be instantiated"""
 
     # default directory separator for vfs
@@ -606,7 +606,7 class readonlyvfs(proxyvfs):
         return self.vfs.join(path, *insidef)
 
 
-class closewrapbase(object):
+class closewrapbase:
     """Base class of wrapper, which hooks closing
 
     Do not instantiate outside of the vfs layer.
@@ -652,7 +652,7 class delayclosedfile(closewrapbase):
         self._closer.close(self._origfh)
 
 
-class backgroundfilecloser(object):
+class backgroundfilecloser:
     """Coordinates background closing of file handles on multiple threads."""
 
     def __init__(self, ui, expectedcount=-1):

mercurial/windows.py

@@ -53,7 +53,7 unlink = win32.unlink
 umask = 0o022
 
 
-class mixedfilemodewrapper(object):
+class mixedfilemodewrapper:
     """Wraps a file handle when it is opened in read/write mode.
 
     fopen() and fdopen() on Windows have a specific-to-Windows requirement
@@ -130,7 +130,7 class mixedfilemodewrapper(object):
         return self._fp.readlines(*args, **kwargs)
 
 
-class fdproxy(object):
+class fdproxy:
     """Wraps osutil.posixfile() to override the name attribute to reflect the
     underlying file name.
     """
@@ -214,7 +214,7 def get_password():
     return encoding.unitolocal(pw)
 
 
-class winstdout(object):
+class winstdout:
     """Some files on Windows misbehave.
 
     When writing to a broken pipe, EINVAL instead of EPIPE may be raised.
@@ -658,7 +658,7 def isexec(f):
     return False
 
 
-class cachestat(object):
+class cachestat:
     def __init__(self, path):
         pass
 

mercurial/wireprotoframing.py

@@ -134,7 +134,7 def humanflags(mapping, value):
 
 
 @attr.s(slots=True)
-class frameheader(object):
+class frameheader:
     """Represents the data in a frame header."""
 
     length = attr.ib()
@@ -146,7 +146,7 class frameheader(object):
 
 
 @attr.s(slots=True, repr=False)
-class frame(object):
+class frame:
     """Represents a parsed frame."""
 
     requestid = attr.ib()
@@ -589,7 +589,7 def createtextoutputframe(
     )
 
 
-class bufferingcommandresponseemitter(object):
+class bufferingcommandresponseemitter:
     """Helper object to emit command response frames intelligently.
 
     Raw command response data is likely emitted in chunks much smaller
@@ -699,7 +699,7 class bufferingcommandresponseemitter(ob
 # mechanism.
 
 
-class identityencoder(object):
+class identityencoder:
     """Encoder for the "identity" stream encoding profile."""
 
     def __init__(self, ui):
@@ -715,7 +715,7 class identityencoder(object):
         return b''
 
 
-class identitydecoder(object):
+class identitydecoder:
     """Decoder for the "identity" stream encoding profile."""
 
     def __init__(self, ui, extraobjs):
@@ -728,7 +728,7 class identitydecoder(object):
         return data
 
 
-class zlibencoder(object):
+class zlibencoder:
     def __init__(self, ui):
         import zlib
 
@@ -749,7 +749,7 class zlibencoder(object):
         return res
 
 
-class zlibdecoder(object):
+class zlibdecoder:
     def __init__(self, ui, extraobjs):
         import zlib
 
@@ -764,7 +764,7 class zlibdecoder(object):
         return self._decompressor.decompress(data)
 
 
-class zstdbaseencoder(object):
+class zstdbaseencoder:
     def __init__(self, level):
         from . import zstd
 
@@ -792,7 +792,7 class zstd8mbencoder(zstdbaseencoder):
         super(zstd8mbencoder, self).__init__(3)
 
 
-class zstdbasedecoder(object):
+class zstdbasedecoder:
     def __init__(self, maxwindowsize):
         from . import zstd
 
@@ -842,7 +842,7 def populatestreamencoders():
     STREAM_ENCODERS_ORDER.append(b'identity')
 
 
-class stream(object):
+class stream:
     """Represents a logical unidirectional series of frames."""
 
     def __init__(self, streamid, active=False):
@@ -995,7 +995,7 DEFAULT_PROTOCOL_SETTINGS = {
 }
 
 
-class serverreactor(object):
+class serverreactor:
     """Holds state of a server handling frame-based protocol requests.
 
     This class is the "brain" of the unified frame-based protocol server
@@ -1683,7 +1683,7 class serverreactor(object):
         return self._makeerrorresult(_(b'server already errored'))
 
 
-class commandrequest(object):
+class commandrequest:
     """Represents a request to run a command."""
 
     def __init__(self, requestid, name, args, datafh=None, redirect=None):
@@ -1695,7 +1695,7 class commandrequest(object):
         self.state = b'pending'
 
 
-class clientreactor(object):
+class clientreactor:
     """Holds state of a client issuing frame-based protocol requests.
 
     This is like ``serverreactor`` but for client-side state.

mercurial/wireprotoserver.py

@@ -56,7 +56,7 def decodevaluefromheaders(req, headerpr
 
 
 @interfaceutil.implementer(wireprototypes.baseprotocolhandler)
-class httpv1protocolhandler(object):
+class httpv1protocolhandler:
     def __init__(self, req, ui, checkperm):
         self._req = req
         self._ui = ui
@@ -374,7 +374,7 def _sshv1respondooberror(fout, ferr, rs
 
 
 @interfaceutil.implementer(wireprototypes.baseprotocolhandler)
-class sshv1protocolhandler(object):
+class sshv1protocolhandler:
     """Handler for requests services via version 1 of SSH protocol."""
 
     def __init__(self, ui, fin, fout):
@@ -520,7 +520,7 def _runsshserver(ui, repo, fin, fout, e
             )
 
 
-class sshserver(object):
+class sshserver:
     def __init__(self, ui, repo, logfh=None):
         self._ui = ui
         self._repo = repo

mercurial/wireprototypes.py

@@ -39,14 +39,14 TRANSPORTS = {
 }
 
 
-class bytesresponse(object):
+class bytesresponse:
     """A wire protocol response consisting of raw bytes."""
 
     def __init__(self, data):
         self.data = data
 
 
-class ooberror(object):
+class ooberror:
     """wireproto reply: failure of a batch of operation
 
     Something failed during a batch call. The error message is stored in
@@ -57,7 +57,7 class ooberror(object):
         self.message = message
 
 
-class pushres(object):
+class pushres:
     """wireproto reply: success with simple integer return
 
     The call was successful and returned an integer contained in `self.res`.
@@ -68,7 +68,7 class pushres(object):
         self.output = output
 
 
-class pusherr(object):
+class pusherr:
     """wireproto reply: failure
 
     The call failed. The `self.res` attribute contains the error message.
@@ -79,7 +79,7 class pusherr(object):
         self.output = output
 
 
-class streamres(object):
+class streamres:
     """wireproto reply: binary stream
 
     The call was successful and the result is a stream.
@@ -96,7 +96,7 class streamres(object):
         self.prefer_uncompressed = prefer_uncompressed
 
 
-class streamreslegacy(object):
+class streamreslegacy:
     """wireproto reply: uncompressed binary stream
 
     The call was successful and the result is a stream.
@@ -243,7 +243,7 class baseprotocolhandler(interfaceutil.
         """
 
 
-class commandentry(object):
+class commandentry:
     """Represents a declared wire protocol command."""
 
     def __init__(
@@ -406,7 +406,7 def supportedcompengines(ui, role):
 
 
 @attr.s
-class encodedresponse(object):
+class encodedresponse:
     """Represents response data that is already content encoded.
 
     Wire protocol version 2 only.
@@ -420,7 +420,7 class encodedresponse(object):
 
 
 @attr.s
-class alternatelocationresponse(object):
+class alternatelocationresponse:
     """Represents a response available at an alternate location.
 
     Instances are sent in place of actual response objects when the server
@@ -439,7 +439,7 class alternatelocationresponse(object):
 
 
 @attr.s
-class indefinitebytestringresponse(object):
+class indefinitebytestringresponse:
     """Represents an object to be encoded to an indefinite length bytestring.
 
     Instances are initialized from an iterable of chunks, with each chunk being

mercurial/wireprotov1peer.py

@@ -109,7 +109,7 class unsentfuture(futures.Future):
 
 
 @interfaceutil.implementer(repository.ipeercommandexecutor)
-class peerexecutor(object):
+class peerexecutor:
     def __init__(self, peer):
         self._peer = peer
         self._sent = False

mercurial/worker.py

@@ -68,7 +68,7 def ismainthread():
     return threading.current_thread() == threading.main_thread()
 
 
-class _blockingreader(object):
+class _blockingreader:
     def __init__(self, wrapped):
         self._wrapped = wrapped
 

setup.py

@@ -213,7 +213,7 def runcmd(cmd, env, cwd=None):
     return p.returncode, out, err
 
 
-class hgcommand(object):
+class hgcommand:
     def __init__(self, cmd, env):
         self.cmd = cmd
         self.env = env
@@ -1528,7 +1528,7 except ImportError:
     # the cygwinccompiler package is not available on some Python
     # distributions like the ones from the optware project for Synology
     # DiskStation boxes
-    class HackedMingw32CCompiler(object):
+    class HackedMingw32CCompiler:
         pass
 
 

tests/drawdag.py

@@ -265,7 +265,7 def _parseasciigraph(text):
     return dict(edges)
 
 
-class simplefilectx(object):
+class simplefilectx:
     def __init__(self, path, data):
         self._data = data
         self._path = path

tests/dumbhttp.py

@@ -37,7 +37,7 class _httprequesthandler(httpserver.sim
         sys.stderr.flush()
 
 
-class simplehttpservice(object):
+class simplehttpservice:
     def __init__(self, host, port):
         self.address = (host, port)
 

tests/httpserverauth.py

@@ -16,7 +16,7 def parse_keqv_list(req, l):
     return parsed
 
 
-class digestauthserver(object):
+class digestauthserver:
     def __init__(self):
         self._user_hashes = {}
 

tests/mocktime.py

@@ -2,7 +2,7 import os
 import time
 
 
-class mocktime(object):
+class mocktime:
     def __init__(self, increment):
         self.time = 0
         self.increment = [float(s) for s in increment.split()]

tests/run-tests.py

@@ -171,7 +171,7 if osenvironb is None:
     # Windows lacks os.environb, for instance.  A proxy over the real thing
     # instead of a copy allows the environment to be updated via bytes on
     # all platforms.
-    class environbytes(object):
+    class environbytes:
         def __init__(self, strenv):
             self.__len__ = strenv.__len__
             self.clear = strenv.clear
@@ -2983,7 +2983,7 def sorttests(testdescs, previoustimes,
     testdescs.sort(key=sortkey)
 
 
-class TestRunner(object):
+class TestRunner:
     """Holds context for executing tests.
 
     Tests rely on a lot of state. This object holds it for them.

tests/simplestorerepo.py

@@ -70,7 +70,7 class simplestoreerror(error.StorageErro
 
 @interfaceutil.implementer(repository.irevisiondelta)
 @attr.s(slots=True)
-class simplestorerevisiondelta(object):
+class simplestorerevisiondelta:
     node = attr.ib()
     p1node = attr.ib()
     p2node = attr.ib()
@@ -84,14 +84,14 class simplestorerevisiondelta(object):
 
 @interfaceutil.implementer(repository.iverifyproblem)
 @attr.s(frozen=True)
-class simplefilestoreproblem(object):
+class simplefilestoreproblem:
     warning = attr.ib(default=None)
     error = attr.ib(default=None)
     node = attr.ib(default=None)
 
 
 @interfaceutil.implementer(repository.ifilestorage)
-class filestorage(object):
+class filestorage:
     """Implements storage for a tracked path.
 
     Data is stored in the VFS in a directory corresponding to the tracked

tests/test-absorb-filefixupstate.py

@@ -3,7 +3,7 from mercurial import pycompat
 from hgext import absorb
 
 
-class simplefctx(object):
+class simplefctx:
     def __init__(self, content):
         self.content = content
 

tests/test-ancestor.py

@@ -62,7 +62,7 def buildancestorsets(graph):
     return ancs
 
 
-class naiveincrementalmissingancestors(object):
+class naiveincrementalmissingancestors:
     def __init__(self, ancs, bases):
         self.ancs = ancs
         self.bases = set(bases)

tests/test-batching.py

@@ -20,7 +20,7 def bprint(*bs):
 
 
 # equivalent of repo.repository
-class thing(object):
+class thing:
     def hello(self):
         return b"Ready."
 
@@ -107,7 +107,7 def unescapearg(escaped):
 # server side
 
 # equivalent of wireproto's global functions
-class server(object):
+class server:
     def __init__(self, local):
         self.local = local
 

tests/test-check-interfaces.py

@@ -80,7 +80,7 def checkzobject(o, allowextra=False):
 
 
 # Facilitates testing localpeer.
-class dummyrepo(object):
+class dummyrepo:
     def __init__(self):
         self.ui = uimod.ui()
         self._wanted_sidedata = set()
@@ -92,7 +92,7 class dummyrepo(object):
         pass
 
 
-class dummyopener(object):
+class dummyopener:
     handlers = []
 
 
@@ -108,7 +108,7 class badpeer(httppeer.httppeer):
         pass
 
 
-class dummypipe(object):
+class dummypipe:
     def close(self):
         pass
 

tests/test-extensions-wrapfunction.py

@@ -16,7 +16,7 def getid(wrapper):
 wrappers = [genwrapper(i) for i in range(5)]
 
 
-class dummyclass(object):
+class dummyclass:
     def getstack(self):
         return ['orig']
 
@@ -67,7 +67,7 with wrap1:
 print('context manager', dummy.getstack())
 
 # Wrap callable object which has no __name__
-class callableobj(object):
+class callableobj:
     def __call__(self):
         return ['orig']
 

tests/test-fastannotate-revmap.py

@@ -169,7 +169,7 def testcopyfrom():
     os.unlink(path2)
 
 
-class fakefctx(object):
+class fakefctx:
     def __init__(self, node, path=None):
         self._node = node
         self._path = path

tests/test-filecache.py

@@ -35,11 +35,11 if pycompat.ispy3:
     xrange = range
 
 
-class fakerepo(object):
+class fakerepo:
     def __init__(self):
         self._filecache = {}
 
-    class fakevfs(object):
+    class fakevfs:
         def join(self, p):
             return p
 

tests/test-hashutil.py

@@ -12,7 +12,7 except ImportError:
     sha1dc = None
 
 
-class hashertestsbase(object):
+class hashertestsbase:
     def test_basic_hash(self):
         h = self.hasher()
         h.update(b'foo')

tests/test-lock.py

@@ -35,7 +35,7 class lockwrapper(lock.lock):
         return super(lockwrapper, self)._getpid() + self._pidoffset
 
 
-class teststate(object):
+class teststate:
     def __init__(self, testcase, dir, pidoffset=0):
         self._testcase = testcase
         self._acquirecalled = False

tests/test-manifest.py

@@ -74,7 +74,7 A_HUGE_MANIFEST = b''.join(
 )
 
 
-class basemanifesttests(object):
+class basemanifesttests:
     def parsemanifest(self, text):
         raise NotImplementedError('parsemanifest not implemented by test case')
 

tests/test-remotefilelog-datapack.py

@@ -35,7 +35,7 from hgext.remotefilelog import (
 )
 
 
-class datapacktestsbase(object):
+class datapacktestsbase:
     def __init__(self, datapackreader, paramsavailable):
         self.datapackreader = datapackreader
         self.paramsavailable = paramsavailable

tests/test-revlog-raw.py

@@ -19,7 +19,7 from mercurial.revlogutils import (
 )
 
 
-class _NoTransaction(object):
+class _NoTransaction:
     """transaction like object to update the nodemap outside a transaction"""
 
     def __init__(self):
@@ -150,7 +150,7 def addgroupcopy(rlog, tr, destname=b'_d
     code path, which is not covered by "appendrev" alone.
     """
 
-    class dummychangegroup(object):
+    class dummychangegroup:
         @staticmethod
         def deltachunk(pnode):
             pnode = pnode or rlog.nullid

tests/test-rust-discovery.py

@@ -31,12 +31,12 data_non_inlined = (
 )
 
 
-class fakechangelog(object):
+class fakechangelog:
     def __init__(self, idx):
         self.index = idx
 
 
-class fakerepo(object):
+class fakerepo:
     def __init__(self, idx):
         """Just make so that self.changelog.index is the given idx."""
         self.changelog = fakechangelog(idx)

tests/test-simplekeyvaluefile.py

@@ -7,7 +7,7 from mercurial import (
 )
 
 
-class mockfile(object):
+class mockfile:
     def __init__(self, name, fs):
         self.name = name
         self.fs = fs
@@ -25,7 +25,7 class mockfile(object):
         return self.fs.contents[self.name]
 
 
-class mockvfs(object):
+class mockvfs:
     def __init__(self):
         self.contents = {}
 

tests/test-sshserver.py

@@ -38,12 +38,12 def mockserver(inbytes):
     return wireprotoserver.sshserver(ui, repo)
 
 
-class mockrepo(object):
+class mockrepo:
     def __init__(self, ui):
         self.ui = ui
 
 
-class mockui(object):
+class mockui:
     def __init__(self, inbytes):
         self.fin = io.BytesIO(inbytes)
         self.fout = io.BytesIO()

tests/test-wireproto.py

@@ -14,7 +14,7 from mercurial.utils import stringutil
 stringio = util.stringio
 
 
-class proto(object):
+class proto:
     def __init__(self, args):
         self.args = args
         self.name = 'dummyproto'
@@ -76,7 +76,7 class clientpeer(wireprotov1peer.wirepee
         return {b'name': mangle(name)}, unmangle
 
 
-class serverrepo(object):
+class serverrepo:
     def __init__(self, ui):
         self.ui = ui
 

tests/testlib/badserverext.py

@@ -90,7 +90,7 configitem(
 )
 
 
-class ConditionTracker(object):
+class ConditionTracker:
     def __init__(
         self,
         close_after_recv_bytes,
@@ -256,7 +256,7 class ConditionTracker(object):
 
 
 # We can't adjust __class__ on a socket instance. So we define a proxy type.
-class socketproxy(object):
+class socketproxy:
     __slots__ = ('_orig', '_logfp', '_cond')
 
     def __init__(self, obj, logfp, condition_tracked):
@@ -300,7 +300,7 class socketproxy(object):
 
 
 # We can't adjust __class__ on socket._fileobject, so define a proxy.
-class fileobjectproxy(object):
+class fileobjectproxy:
     __slots__ = ('_orig', '_logfp', '_cond')
 
     def __init__(self, obj, logfp, condition_tracked):