Mercurial > hg
annotate tests/md5sum.py @ 39641:aa7e312375cf
wireprotov2: let clients drive delta behavior
Previously, the "manifestdata" and "filedata" commands assumed the
receiver had all parent revisions for requested nodes. Unless the
revision had no parents, they emitted a delta instead of a fulltext.
This strategy isn't appropriate for shallow clones and for clients
that only want to access fulltext revision data for a single node
without fetching their parent revisions.
This commit adds an "haveparents" argument to the "manifestdata"
and "filedata" commands that controls delta generation behavior.
Unless "haveparents" is set, the server assumes that the client
doesn't have parent revisions unless they were previously sent
as part of the current group of revisions.
This change allows the fulltext revision data of any individual
revision to be obtained. This will facilitate shallow clones
and other data retrieval strategies that don't require all previous
revisions of an entity to be fetched.
Differential Revision: https://phab.mercurial-scm.org/D4492
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Thu, 30 Aug 2018 14:55:34 -0700 |
parents | 904bc1dc2694 |
children | 2372284d9457 |
rev | line source |
---|---|
4122
306055f5b65c
Unified #! paths for python scripts and removed them for test modules.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3223
diff
changeset
|
1 #!/usr/bin/env python |
1928
50e1c90b0fcf
clarify license on md5sum.py
Peter van Dijk <peter@dataloss.nl>
parents:
1924
diff
changeset
|
2 # |
50e1c90b0fcf
clarify license on md5sum.py
Peter van Dijk <peter@dataloss.nl>
parents:
1924
diff
changeset
|
3 # Based on python's Tools/scripts/md5sum.py |
50e1c90b0fcf
clarify license on md5sum.py
Peter van Dijk <peter@dataloss.nl>
parents:
1924
diff
changeset
|
4 # |
50e1c90b0fcf
clarify license on md5sum.py
Peter van Dijk <peter@dataloss.nl>
parents:
1924
diff
changeset
|
5 # This software may be used and distributed according to the terms |
50e1c90b0fcf
clarify license on md5sum.py
Peter van Dijk <peter@dataloss.nl>
parents:
1924
diff
changeset
|
6 # of the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2, which is |
50e1c90b0fcf
clarify license on md5sum.py
Peter van Dijk <peter@dataloss.nl>
parents:
1924
diff
changeset
|
7 # GPL-compatible. |
50e1c90b0fcf
clarify license on md5sum.py
Peter van Dijk <peter@dataloss.nl>
parents:
1924
diff
changeset
|
8 |
29485
6a98f9408a50
py3: make files use absolute_import and print_function
Pulkit Goyal <7895pulkit@gmail.com>
parents:
25660
diff
changeset
|
9 from __future__ import absolute_import |
6a98f9408a50
py3: make files use absolute_import and print_function
Pulkit Goyal <7895pulkit@gmail.com>
parents:
25660
diff
changeset
|
10 |
33873
904bc1dc2694
md5sum: assume hashlib exists now that we're 2.7 only
Augie Fackler <raf@durin42.com>
parents:
32852
diff
changeset
|
11 import hashlib |
29485
6a98f9408a50
py3: make files use absolute_import and print_function
Pulkit Goyal <7895pulkit@gmail.com>
parents:
25660
diff
changeset
|
12 import os |
6a98f9408a50
py3: make files use absolute_import and print_function
Pulkit Goyal <7895pulkit@gmail.com>
parents:
25660
diff
changeset
|
13 import sys |
6470
ac0bcd951c2c
python 2.6 compatibility: compatibility wrappers for hash functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6212
diff
changeset
|
14 |
ac0bcd951c2c
python 2.6 compatibility: compatibility wrappers for hash functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6212
diff
changeset
|
15 try: |
7080
a6477aa893b8
tests: Windows compatibility fixes
Patrick Mezard <pmezard@gmail.com>
parents:
6470
diff
changeset
|
16 import msvcrt |
a6477aa893b8
tests: Windows compatibility fixes
Patrick Mezard <pmezard@gmail.com>
parents:
6470
diff
changeset
|
17 msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY) |
a6477aa893b8
tests: Windows compatibility fixes
Patrick Mezard <pmezard@gmail.com>
parents:
6470
diff
changeset
|
18 msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY) |
a6477aa893b8
tests: Windows compatibility fixes
Patrick Mezard <pmezard@gmail.com>
parents:
6470
diff
changeset
|
19 except ImportError: |
a6477aa893b8
tests: Windows compatibility fixes
Patrick Mezard <pmezard@gmail.com>
parents:
6470
diff
changeset
|
20 pass |
a6477aa893b8
tests: Windows compatibility fixes
Patrick Mezard <pmezard@gmail.com>
parents:
6470
diff
changeset
|
21 |
1924
46fb38ef9a91
add md5sum.py required by fix in previous changeset
Peter van Dijk <peter@dataloss.nl>
parents:
diff
changeset
|
22 for filename in sys.argv[1:]: |
46fb38ef9a91
add md5sum.py required by fix in previous changeset
Peter van Dijk <peter@dataloss.nl>
parents:
diff
changeset
|
23 try: |
46fb38ef9a91
add md5sum.py required by fix in previous changeset
Peter van Dijk <peter@dataloss.nl>
parents:
diff
changeset
|
24 fp = open(filename, 'rb') |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
14494
diff
changeset
|
25 except IOError as msg: |
1924
46fb38ef9a91
add md5sum.py required by fix in previous changeset
Peter van Dijk <peter@dataloss.nl>
parents:
diff
changeset
|
26 sys.stderr.write('%s: Can\'t open: %s\n' % (filename, msg)) |
46fb38ef9a91
add md5sum.py required by fix in previous changeset
Peter van Dijk <peter@dataloss.nl>
parents:
diff
changeset
|
27 sys.exit(1) |
3223
53e843840349
Whitespace/Tab cleanup
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1928
diff
changeset
|
28 |
33873
904bc1dc2694
md5sum: assume hashlib exists now that we're 2.7 only
Augie Fackler <raf@durin42.com>
parents:
32852
diff
changeset
|
29 m = hashlib.md5() |
1924
46fb38ef9a91
add md5sum.py required by fix in previous changeset
Peter van Dijk <peter@dataloss.nl>
parents:
diff
changeset
|
30 try: |
32852
3a64ac39b893
md5sum: adapt for python 3 support
Augie Fackler <augie@google.com>
parents:
29731
diff
changeset
|
31 for data in iter(lambda: fp.read(8192), b''): |
1924
46fb38ef9a91
add md5sum.py required by fix in previous changeset
Peter van Dijk <peter@dataloss.nl>
parents:
diff
changeset
|
32 m.update(data) |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
14494
diff
changeset
|
33 except IOError as msg: |
1924
46fb38ef9a91
add md5sum.py required by fix in previous changeset
Peter van Dijk <peter@dataloss.nl>
parents:
diff
changeset
|
34 sys.stderr.write('%s: I/O error: %s\n' % (filename, msg)) |
46fb38ef9a91
add md5sum.py required by fix in previous changeset
Peter van Dijk <peter@dataloss.nl>
parents:
diff
changeset
|
35 sys.exit(1) |
46fb38ef9a91
add md5sum.py required by fix in previous changeset
Peter van Dijk <peter@dataloss.nl>
parents:
diff
changeset
|
36 sys.stdout.write('%s %s\n' % (m.hexdigest(), filename)) |
46fb38ef9a91
add md5sum.py required by fix in previous changeset
Peter van Dijk <peter@dataloss.nl>
parents:
diff
changeset
|
37 |
46fb38ef9a91
add md5sum.py required by fix in previous changeset
Peter van Dijk <peter@dataloss.nl>
parents:
diff
changeset
|
38 sys.exit(0) |