cleanup: replace uses of util.(md5|sha1|sha256|sha512) with hashlib.\1

All versions of Python we support or hope to support make the hash
functions available in the same way under the same name, so we may as
well drop the util forwards.

hgext/chgserver.py

@@ -43,6 +43,7 from __future__ import absolute_import
 import SocketServer
 import errno
 import gc
+import hashlib
 import inspect
 import os
 import random
@@ -76,7 +77,7 testedwith = 'internal'
 
 def _hashlist(items):
     """return sha1 hexdigest for a list"""
-    return util.sha1(str(items)).hexdigest()
+    return hashlib.sha1(str(items)).hexdigest()
 
 # sensitive config sections affecting confighash
 _configsections = [

hgext/fsmonitor/__init__.py

@@ -91,6 +91,7 will disable itself if any of those are
 
 from __future__ import absolute_import
 
+import hashlib
 import os
 import stat
 import sys
@@ -141,7 +142,7 def _hashignore(ignore):
     copy.
 
     """
-    sha1 = util.sha1()
+    sha1 = hashlib.sha1()
     if util.safehasattr(ignore, 'includepat'):
         sha1.update(ignore.includepat)
     sha1.update('\0\0')

hgext/largefiles/lfcommands.py

@@ -10,6 +10,7
 from __future__ import absolute_import
 
 import errno
+import hashlib
 import os
 import shutil
 
@@ -229,7 +230,7 def _lfconvert_addchangeset(rsrc, rdst,
                         raise error.Abort(_('largefile %s becomes symlink') % f)
 
                 # largefile was modified, update standins
-                m = util.sha1('')
+                m = hashlib.sha1('')
                 m.update(ctx[f].data())
                 hash = m.hexdigest()
                 if f not in lfiletohash or lfiletohash[f] != hash:

hgext/largefiles/lfutil.py

@@ -10,6 +10,7
 from __future__ import absolute_import
 
 import copy
+import hashlib
 import os
 import platform
 import stat
@@ -359,7 +360,7 def writestandin(repo, standin, hash, ex
 def copyandhash(instream, outfile):
     '''Read bytes from instream (iterable) and write them to outfile,
     computing the SHA-1 hash of the data along the way. Return the hash.'''
-    hasher = util.sha1('')
+    hasher = hashlib.sha1('')
     for data in instream:
         hasher.update(data)
         outfile.write(data)
@@ -371,7 +372,7 def hashrepofile(repo, file):
 def hashfile(file):
     if not os.path.exists(file):
         return ''
-    hasher = util.sha1('')
+    hasher = hashlib.sha1('')
     fd = open(file, 'rb')
     for data in util.filechunkiter(fd, 128 * 1024):
         hasher.update(data)
@@ -400,7 +401,7 def urljoin(first, second, *arg):
 def hexsha1(data):
     """hexsha1 returns the hex-encoded sha1 sum of the data in the file-like
     object data"""
-    h = util.sha1()
+    h = hashlib.sha1()
     for chunk in util.filechunkiter(data):
         h.update(chunk)
     return h.hexdigest()

mercurial/exchange.py

@@ -8,6 +8,7
 from __future__ import absolute_import
 
 import errno
+import hashlib
 
 from .i18n import _
 from .node import (
@@ -1646,7 +1647,7 def check_heads(repo, their_heads, conte
     Used by peer for unbundling.
     """
     heads = repo.heads()
-    heads_hash = util.sha1(''.join(sorted(heads))).digest()
+    heads_hash = hashlib.sha1(''.join(sorted(heads))).digest()
     if not (their_heads == ['force'] or their_heads == heads or
             their_heads == ['hashed', heads_hash]):
         # someone else committed/pushed/unbundled while we

mercurial/hg.py

@@ -9,6 +9,7
 from __future__ import absolute_import
 
 import errno
+import hashlib
 import os
 import shutil
 
@@ -480,7 +481,8 def clone(ui, peeropts, source, dest=Non
                 ui.status(_('(not using pooled storage: '
                             'unable to resolve identity of remote)\n'))
         elif sharenamemode == 'remote':
-            sharepath = os.path.join(sharepool, util.sha1(source).hexdigest())
+            sharepath = os.path.join(
+                sharepool, hashlib.sha1(source).hexdigest())
         else:
             raise error.Abort('unknown share naming mode: %s' % sharenamemode)
 

mercurial/keepalive.py

@@ -110,6 +110,7 EXTRA ATTRIBUTES AND METHODS
 from __future__ import absolute_import, print_function
 
 import errno
+import hashlib
 import httplib
 import socket
 import sys
@@ -624,8 +625,7 def error_handler(url):
     keepalive_handler.close_all()
 
 def continuity(url):
-    from . import util
-    md5 = util.md5
+    md5 = hashlib.md5
     format = '%25s: %s'
 
     # first fetch the file with the normal http handler

mercurial/localrepo.py

@@ -8,6 +8,7
 from __future__ import absolute_import
 
 import errno
+import hashlib
 import inspect
 import os
 import random
@@ -1013,7 +1014,7 class localrepository(object):
                 hint=_("run 'hg recover' to clean up transaction"))
 
         idbase = "%.40f#%f" % (random.random(), time.time())
-        txnid = 'TXN:' + util.sha1(idbase).hexdigest()
+        txnid = 'TXN:' + hashlib.sha1(idbase).hexdigest()
         self.hook('pretxnopen', throw=True, txnname=desc, txnid=txnid)
 
         self._writejournal(desc)

mercurial/merge.py

@@ -8,6 +8,7
 from __future__ import absolute_import
 
 import errno
+import hashlib
 import os
 import shutil
 import struct
@@ -408,7 +409,7 class mergestate(object):
         if fcl.isabsent():
             hash = nullhex
         else:
-            hash = util.sha1(fcl.path()).hexdigest()
+            hash = hashlib.sha1(fcl.path()).hexdigest()
             self._repo.vfs.write('merge/' + hash, fcl.data())
         self._state[fd] = ['u', hash, fcl.path(),
                            fca.path(), hex(fca.filenode()),

mercurial/patch.py

@@ -12,6 +12,7 import collections
 import copy
 import email
 import errno
+import hashlib
 import os
 import posixpath
 import re
@@ -2412,7 +2413,7 def trydiff(repo, revs, ctx1, ctx2, modi
         if not text:
             text = ""
         l = len(text)
-        s = util.sha1('blob %d\0' % l)
+        s = hashlib.sha1('blob %d\0' % l)
         s.update(text)
         return s.hexdigest()
 

mercurial/repair.py

@@ -9,6 +9,7
 from __future__ import absolute_import
 
 import errno
+import hashlib
 
 from .i18n import _
 from .node import short
@@ -35,7 +36,7 def _bundle(repo, bases, heads, node, su
     # Include a hash of all the nodes in the filename for uniqueness
     allcommits = repo.set('%ln::%ln', bases, heads)
     allhashes = sorted(c.hex() for c in allcommits)
-    totalhash = util.sha1(''.join(allhashes)).hexdigest()
+    totalhash = hashlib.sha1(''.join(allhashes)).hexdigest()
     name = "%s/%s-%s-%s.hg" % (backupdir, short(node), totalhash[:8], suffix)
 
     comp = None

mercurial/repoview.py

@@ -9,6 +9,7
 from __future__ import absolute_import
 
 import copy
+import hashlib
 import heapq
 import struct
 
@@ -18,7 +19,6 from . import (
     obsolete,
     phases,
     tags as tagsmod,
-    util,
 )
 
 def hideablerevs(repo):
@@ -102,7 +102,7 def cachehash(repo, hideable):
     it to the cache. Upon reading we can easily validate by checking the hash
     against the stored one and discard the cache in case the hashes don't match.
     """
-    h = util.sha1()
+    h = hashlib.sha1()
     h.update(''.join(repo.heads()))
     h.update(str(hash(frozenset(hideable))))
     return h.digest()

mercurial/scmutil.py

@@ -10,6 +10,7 from __future__ import absolute_import
 import contextlib
 import errno
 import glob
+import hashlib
 import os
 import re
 import shutil
@@ -224,7 +225,7 def filteredhash(repo, maxrev):
     key = None
     revs = sorted(r for r in cl.filteredrevs if r <= maxrev)
     if revs:
-        s = util.sha1()
+        s = hashlib.sha1()
         for rev in revs:
             s.update('%s;' % rev)
         key = s.digest()

mercurial/similar.py

@@ -7,6 +7,8
 
 from __future__ import absolute_import
 
+import hashlib
+
 from .i18n import _
 from . import (
     bdiff,
@@ -27,14 +29,14 def _findexactmatches(repo, added, remov
     for i, fctx in enumerate(removed):
         repo.ui.progress(_('searching for exact renames'), i, total=numfiles,
                          unit=_('files'))
-        h = util.sha1(fctx.data()).digest()
+        h = hashlib.sha1(fctx.data()).digest()
         hashes[h] = fctx
 
     # For each added file, see if it corresponds to a removed file.
     for i, fctx in enumerate(added):
         repo.ui.progress(_('searching for exact renames'), i + len(removed),
                 total=numfiles, unit=_('files'))
-        h = util.sha1(fctx.data()).digest()
+        h = hashlib.sha1(fctx.data()).digest()
         if h in hashes:
             yield (hashes[h], fctx)
 

mercurial/sslutil.py

@@ -9,6 +9,7
 
 from __future__ import absolute_import
 
+import hashlib
 import os
 import ssl
 import sys
@@ -388,9 +389,9 def validatesocket(sock):
     # If a certificate fingerprint is pinned, use it and only it to
     # validate the remote cert.
     peerfingerprints = {
-        'sha1': util.sha1(peercert).hexdigest(),
-        'sha256': util.sha256(peercert).hexdigest(),
-        'sha512': util.sha512(peercert).hexdigest(),
+        'sha1': hashlib.sha1(peercert).hexdigest(),
+        'sha256': hashlib.sha256(peercert).hexdigest(),
+        'sha512': hashlib.sha512(peercert).hexdigest(),
     }
 
     def fmtfingerprint(s):

mercurial/subrepo.py

@@ -9,6 +9,7 from __future__ import absolute_import
 
 import copy
 import errno
+import hashlib
 import os
 import posixpath
 import re
@@ -50,7 +51,7 def _expandedabspath(path):
 
 def _getstorehashcachename(remotepath):
     '''get a unique filename for the store hash cache of a remote repository'''
-    return util.sha1(_expandedabspath(remotepath)).hexdigest()[0:12]
+    return hashlib.sha1(_expandedabspath(remotepath)).hexdigest()[0:12]
 
 class SubrepoAbort(error.Abort):
     """Exception class used to avoid handling a subrepo error more than once"""
@@ -659,7 +660,7 class hgsubrepo(abstractsubrepo):
         yield '# %s\n' % _expandedabspath(remotepath)
         vfs = self._repo.vfs
         for relname in filelist:
-            filehash = util.sha1(vfs.tryread(relname)).hexdigest()
+            filehash = hashlib.sha1(vfs.tryread(relname)).hexdigest()
             yield '%s = %s\n' % (relname, filehash)
 
     @propertycache

mercurial/wireproto.py

@@ -7,6 +7,7
 
 from __future__ import absolute_import
 
+import hashlib
 import itertools
 import os
 import sys
@@ -410,7 +411,7 class wirepeer(peer.peerrepository):
 
         if heads != ['force'] and self.capable('unbundlehash'):
             heads = encodelist(['hashed',
-                                util.sha1(''.join(sorted(heads))).digest()])
+                                hashlib.sha1(''.join(sorted(heads))).digest()])
         else:
             heads = encodelist(heads)