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sapling/eden/scm/lib
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Mark Thomas 1e63f205f4 rust-cpython: allow compilation for both py2 and py3 
Summary:
Set up the `cpython-ext` and `hgcommands` libraries so that they can compile
against py2 and py3 versions of rust-cpython.  Make py2 the default so
that cargo test still works.

Reviewed By: singhsrb

Differential Revision: D19615656

fbshipit-source-id: 3403e7077deb3c0a9dfe0e3b7d4f4ad1da73bba3
2020-01-28 20:17:20 -08:00
..
asyncrevisionstore/src pyrevisionstore: use PyPath instead of PyBytes 2020-01-28 10:01:50 -08:00
auth Switch from failure::Fail trait to std::error::Error for errors 2019-11-22 08:53:31 -08:00
backingstore eden: periodically refresh content store to give it chances to release mapped files 2020-01-17 15:00:01 -08:00
blackbox blackbox: write less frequently to disk 2019-12-20 16:14:25 -08:00
bookmarkstore Switch from failure::Fail trait to std::error::Error for errors 2019-11-22 08:53:31 -08:00
cdatapack cmake: always build support for the EdenSCM backing store 2019-11-22 13:00:07 -08:00
clib cmake: always build support for the EdenSCM backing store 2019-11-22 13:00:07 -08:00
clidispatch pyconfigparser: use String as arguments instead of PyBytes 2020-01-16 09:31:45 -08:00
cliparser py3: update Cargo.toml to make py3 buildable 2020-01-28 13:39:38 -08:00
commitcloudsubscriber Switch from failure::Fail trait to std::error::Error for errors 2019-11-22 08:53:31 -08:00
commitstore/bench-serialize Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
configparser pyconfigparser: use String as arguments instead of PyBytes 2020-01-16 09:31:45 -08:00
cpython-ext rust-cpython: allow compilation for both py2 and py3 2020-01-28 20:17:20 -08:00
dag dag: move iddag to own file 2020-01-24 15:49:54 -08:00
drawdag Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
edenapi Switch from failure::Fail trait to std::error::Error for errors 2019-11-22 08:53:31 -08:00
edenfs-client edenfs-client: fix warnings 2020-01-13 18:14:46 -08:00
encoding Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
hgcommands rust-cpython: allow compilation for both py2 and py3 2020-01-28 20:17:20 -08:00
hgtime hgtime: fix corner case of date range parsing 2020-01-27 09:37:00 -08:00
indexedlog indexedlog: add MultiLog 2020-01-17 21:49:57 -08:00
linelog Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
lz4-pyframe Switch from failure::Fail trait to std::error::Error for errors 2019-11-22 08:53:31 -08:00
manifest manifest: add testutil in core package 2020-01-14 11:49:52 -08:00
manifest-tree manifest-tree: move private test function to lib.rs 2020-01-14 11:49:53 -08:00
metalog metalog: implement Repair 2019-12-09 14:15:47 -08:00
mincode Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
minibench Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
mpatch Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
mpatch-sys Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
mutationstore mutationstore: implement indexedlog::DefaultOpenOptions 2019-12-06 19:35:04 -08:00
nodemap indexedlog: replace Log's dir with a new GenericPath type 2020-01-17 03:57:59 -08:00
pathmatcher pathmatcher: hint globset to use prefix strategy instead of regexp strategy 2019-11-14 14:27:39 -08:00
procinfo Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
radixbuf Switch from failure::Fail trait to std::error::Error for errors 2019-11-22 08:53:31 -08:00
renderdag renderdag: add tests showing how orders affect rendering 2020-01-23 20:50:56 -08:00
revisionstore pyrevisionstore: use PyPath instead of PyBytes 2020-01-28 10:01:50 -08:00
stackdesc Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
third-party Merge fb-mercurial sources into the eden repository 2019-11-13 20:20:32 -08:00
thrift-types thrift: update thrift generated files 2020-01-23 16:06:51 -08:00
tracing-collector Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
treestate Switch from failure::Fail trait to std::error::Error for errors 2019-11-22 08:53:31 -08:00
types py3/rust: types: add AsRef<str> for RepoPath 2020-01-27 16:50:12 -08:00
util pyconfigparser: use PyPath instead of PyByte 2020-01-28 10:14:14 -08:00
vlqencoding Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
workingcopy workingcopy: add error handling and reporting to rust walker 2020-01-13 15:26:30 -08:00
xdiff move cram from xplat/third-party to third-party 2019-12-20 16:14:17 -08:00
xdiff-sys Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
zstdelta Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00
zstore zstore: implement indexedlog::DefaultOpenOptions 2019-12-06 19:35:05 -08:00
CMakeLists.txt cmake: always build support for the EdenSCM backing store 2019-11-22 13:00:07 -08:00
README.md Move fb-mercurial sources into an eden/scm subdirectory. 2019-11-13 16:04:48 -08:00

README.md

lib

Any native code (C/C++/Rust) that Mercurial (either core or extensions) depends on should go here. Python code, or native code that depends on Python code (e.g. #include <Python.h> or use cpython) is disallowed.

As we start to convert more of Mercurial into Rust, and write new paths entrirely in native code, we'll want to limit our dependency on Python, which is why this barrier exists.

See also hgext/extlib/README.md, mercurial/cext/README.mb.

How do I choose between lib and extlib (and cext)?

If your code is native and doesn't depend on Python (awesome!), it goes here.

Otherwise, put it in hgext/extlib (if it's only used by extensions) or mercurial/cext (if it's used by extensions or core).