##// END OF EJS Templates
zstd: vendor python-zstandard 0.5.0...
zstd: vendor python-zstandard 0.5.0 As the commit message for the previous changeset says, we wish for zstd to be a 1st class citizen in Mercurial. To make that happen, we need to enable Python to talk to the zstd C API. And that requires bindings. This commit vendors a copy of existing Python bindings. Why do we need to vendor? As the commit message of the previous commit says, relying on systems in the wild to have the bindings or zstd present is a losing proposition. By distributing the zstd and bindings with Mercurial, we significantly increase our chances that zstd will work. Since zstd will deliver a better end-user experience by achieving better performance, this benefits our users. Another reason is that the Python bindings still aren't stable and the API is somewhat fluid. While Mercurial could be coded to target multiple versions of the Python bindings, it is safer to bundle an explicit, known working version. The added Python bindings are mostly a fully-featured interface to the zstd C API. They allow one-shot operations, streaming, reading and writing from objects implements the file object protocol, dictionary compression, control over low-level compression parameters, and more. The Python bindings work on Python 2.6, 2.7, and 3.3+ and have been tested on Linux and Windows. There are CFFI bindings, but they are lacking compared to the C extension. Upstream work will be needed before we can support zstd with PyPy. But it will be possible. The files added in this commit come from Git commit e637c1b214d5f869cf8116c550dcae23ec13b677 from https://github.com/indygreg/python-zstandard and are added without modifications. Some files from the upstream repository have been omitted, namely files related to continuous integration. In the spirit of full disclosure, I'm the maintainer of the "python-zstandard" project and have authored 100% of the code added in this commit. Unfortunately, the Python bindings have not been formally code reviewed by anyone. While I've tested much of the code thoroughly (I even have tests that fuzz APIs), there's a good chance there are bugs, memory leaks, not well thought out APIs, etc. If someone wants to review the code and send feedback to the GitHub project, it would be greatly appreciated. Despite my involvement with both projects, my opinions of code style differ from Mercurial's. The code in this commit introduces numerous code style violations in Mercurial's linters. So, the code is excluded from most lints. However, some violations I agree with. These have been added to the known violations ignore list for now.

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all-revsets.txt
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# All revsets ever used with revsetbenchmarks.py script
#
# The goal of this file is to gather all revsets ever used for benchmarking
# revset's performance. It should be used to gather revsets that test a
# specific usecase or a specific implementation of revset predicates.
# If you are working on the smartset implementation itself, check
# 'base-revsets.txt'.
#
# Please update this file with any revsets you use for benchmarking a change so
# that future contributors can easily find and retest it when doing further
# modification. Feel free to highlight interesting variants if needed.
## Revset from this section are all extracted from changelog when this file was
# created. Feel free to dig and improve documentation.
# Used in revision da05fe01170b
(20000::) - (20000)
# Used in revision 95af98616aa7
parents(20000)
# Used in revision 186fd06283b4
(_intlist('20000\x0020001')) and merge()
# Used in revision 911f5a6579d1
p1(20000)
p2(10000)
# Used in revision b6dc3b79bb25
0::
# Used in revision faf4f63533ff
bookmark()
# Used in revision 22ba2c0825da
tip~25
# Used in revision 0cf46b8298fe
bisect(range)
# Used in revision 5b65429721d5
divergent()
# Used in revision 6261b9c549a2
file(COPYING)
# Used in revision 44f471102f3a
follow(COPYING)
# Used in revision 8040a44aab1c
origin(tip)
# Used in revision bbf4f3dfd700
rev(25)
# Used in revision a428db9ab61d
p1()
# Used in revision c1546d7400ef
min(0::)
# Used in revision 546fa6576815
author(lmoscovicz) or author(mpm)
author(mpm) or author(lmoscovicz)
# Used in revision 9bfe68357c01
public() and id("d82e2223f132")
# Used in revision ba89f7b542c9
rev(25)
# Used in revision eb763217152a
rev(210000)
# Used in revision 69524a05a7fa
10:100
parents(10):parents(100)
# Used in revision 6f1b8b3f12fd
100~5
parents(100)~5
(100~5)~5
# Used in revision 7a42e5d4c418
children(tip~100)
# Used in revision 7e8737e6ab08
100^1
parents(100)^1
(100^1)^1
# Used in revision 30e0dcd7c5ff
matching(100)
matching(parents(100))
# Used in revision aafeaba22826
0|1|2|3|4|5|6|7|8|9
# Used in revision 33c7a94d4dd0
tip:0
# Used in revision 7d369fae098e
(0:100000)
# Used in revision b333ca94403d
0 + 1 + 2 + ... + 200
0 + 1 + 2 + ... + 1000
sort(0 + 1 + 2 + ... + 200)
sort(0 + 1 + 2 + ... + 1000)
# Used in revision 7fbef7932af9
first(0 + 1 + 2 + ... + 1000)
# Used in revision ceaf04bb14ff
0:1000
# Used in revision 262e6ad93885
not public()
(tip~1000::) - public()
not public() and branch("default")
# Used in revision 15412bba5a68
0::tip
## all the revsets from this section have been taken from the former central file
# for revset's benchmarking, they are undocumented for this reason.
all()
draft()
::tip
draft() and ::tip
::tip and draft()
author(lmoscovicz)
author(mpm)
::p1(p1(tip))::
public()
:10000 and public()
:10000 and draft()
(not public() - obsolete())
# The one below is used by rebase
(children(ancestor(tip~5, tip)) and ::(tip~5))::
# those two `roots(...)` inputs are close to what phase movement use.
roots((tip~100::) - (tip~100::tip))
roots((0::) - (0::tip))
# more roots testing
roots(tip~100:)
roots(:42)
roots(not public())
roots((0:tip)::)
roots(0::tip)
42:68 and roots(42:tip)
# Used in revision f140d6207cca
roots(0:tip)
# test disjoint set with multiple roots
roots((:42) + (tip~42:))
# Testing the behavior of "head()" in various situations
head()
head() - public()
draft() and head()
head() and author("mpm")
# testing the mutable phases set
draft()
secret()