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view tests/test-notify.t @ 30435:b86a448a2965
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.
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Thu, 10 Nov 2016 22:15:58 -0800 |
parents | 22c53b3a390d |
children | fa9f7b5d4397 |
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$ cat <<EOF >> $HGRCPATH > [extensions] > notify= > > [hooks] > incoming.notify = python:hgext.notify.hook > > [notify] > sources = pull > diffstat = False > > [usersubs] > foo@bar = * > > [reposubs] > * = baz > EOF $ hg help notify notify extension - hooks for sending email push notifications This extension implements hooks to send email notifications when changesets are sent from or received by the local repository. First, enable the extension as explained in 'hg help extensions', and register the hook you want to run. "incoming" and "changegroup" hooks are run when changesets are received, while "outgoing" hooks are for changesets sent to another repository: [hooks] # one email for each incoming changeset incoming.notify = python:hgext.notify.hook # one email for all incoming changesets changegroup.notify = python:hgext.notify.hook # one email for all outgoing changesets outgoing.notify = python:hgext.notify.hook This registers the hooks. To enable notification, subscribers must be assigned to repositories. The "[usersubs]" section maps multiple repositories to a given recipient. The "[reposubs]" section maps multiple recipients to a single repository: [usersubs] # key is subscriber email, value is a comma-separated list of repo patterns user@host = pattern [reposubs] # key is repo pattern, value is a comma-separated list of subscriber emails pattern = user@host A "pattern" is a "glob" matching the absolute path to a repository, optionally combined with a revset expression. A revset expression, if present, is separated from the glob by a hash. Example: [reposubs] */widgets#branch(release) = qa-team@example.com This sends to "qa-team@example.com" whenever a changeset on the "release" branch triggers a notification in any repository ending in "widgets". In order to place them under direct user management, "[usersubs]" and "[reposubs]" sections may be placed in a separate "hgrc" file and incorporated by reference: [notify] config = /path/to/subscriptionsfile Notifications will not be sent until the "notify.test" value is set to "False"; see below. Notifications content can be tweaked with the following configuration entries: notify.test If "True", print messages to stdout instead of sending them. Default: True. notify.sources Space-separated list of change sources. Notifications are activated only when a changeset's source is in this list. Sources may be: "serve" changesets received via http or ssh "pull" changesets received via "hg pull" "unbundle" changesets received via "hg unbundle" "push" changesets sent or received via "hg push" "bundle" changesets sent via "hg unbundle" Default: serve. notify.strip Number of leading slashes to strip from url paths. By default, notifications reference repositories with their absolute path. "notify.strip" lets you turn them into relative paths. For example, "notify.strip=3" will change "/long/path/repository" into "repository". Default: 0. notify.domain Default email domain for sender or recipients with no explicit domain. notify.style Style file to use when formatting emails. notify.template Template to use when formatting emails. notify.incoming Template to use when run as an incoming hook, overriding "notify.template". notify.outgoing Template to use when run as an outgoing hook, overriding "notify.template". notify.changegroup Template to use when running as a changegroup hook, overriding "notify.template". notify.maxdiff Maximum number of diff lines to include in notification email. Set to 0 to disable the diff, or -1 to include all of it. Default: 300. notify.maxsubject Maximum number of characters in email's subject line. Default: 67. notify.diffstat Set to True to include a diffstat before diff content. Default: True. notify.merge If True, send notifications for merge changesets. Default: True. notify.mbox If set, append mails to this mbox file instead of sending. Default: None. notify.fromauthor If set, use the committer of the first changeset in a changegroup for the "From" field of the notification mail. If not set, take the user from the pushing repo. Default: False. If set, the following entries will also be used to customize the notifications: email.from Email "From" address to use if none can be found in the generated email content. web.baseurl Root repository URL to combine with repository paths when making references. See also "notify.strip". no commands defined $ hg init a $ echo a > a/a commit $ hg --cwd a commit -Ama -d '0 0' adding a clone $ hg --traceback clone a b updating to branch default 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo a >> a/a commit $ hg --traceback --cwd a commit -Amb -d '1 0' on Mac OS X 10.5 the tmp path is very long so would get stripped in the subject line $ cat <<EOF >> $HGRCPATH > [notify] > maxsubject = 200 > EOF the python call below wraps continuation lines, which appear on Mac OS X 10.5 because of the very long subject line pull (minimal config) $ hg --traceback --cwd b pull ../a | \ > $PYTHON -c 'import sys,re; print re.sub("\n[\t ]", " ", sys.stdin.read()),' pulling from ../a searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Date: * (glob) Subject: changeset in $TESTTMP/b: b From: test X-Hg-Notification: changeset 0647d048b600 Message-Id: <*> (glob) To: baz, foo@bar changeset 0647d048b600 in $TESTTMP/b (glob) details: $TESTTMP/b?cmd=changeset;node=0647d048b600 description: b diffs (6 lines): diff -r cb9a9f314b8b -r 0647d048b600 a --- a/a Thu Jan 01 00:00:00 1970 +0000 +++ b/a Thu Jan 01 00:00:01 1970 +0000 @@ -1,1 +1,2 @@ a +a (run 'hg update' to get a working copy) $ cat <<EOF >> $HGRCPATH > [notify] > config = `pwd`/.notify.conf > domain = test.com > strip = 42 > template = Subject: {desc|firstline|strip}\nFrom: {author}\nX-Test: foo\n\nchangeset {node|short} in {webroot}\ndescription:\n\t{desc|tabindent|strip} > > [web] > baseurl = http://test/ > EOF fail for config file is missing $ hg --cwd b rollback repository tip rolled back to revision 0 (undo pull) $ hg --cwd b pull ../a 2>&1 | grep 'error.*\.notify\.conf' > /dev/null && echo pull failed pull failed $ touch ".notify.conf" pull $ hg --cwd b rollback repository tip rolled back to revision 0 (undo pull) $ hg --traceback --cwd b pull ../a | \ > $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),' pulling from ../a searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Test: foo Date: * (glob) Subject: b From: test@test.com X-Hg-Notification: changeset 0647d048b600 Message-Id: <*> (glob) To: baz@test.com, foo@bar changeset 0647d048b600 in b description: b diffs (6 lines): diff -r cb9a9f314b8b -r 0647d048b600 a --- a/a Thu Jan 01 00:00:00 1970 +0000 +++ b/a Thu Jan 01 00:00:01 1970 +0000 @@ -1,1 +1,2 @@ a +a (run 'hg update' to get a working copy) $ cat << EOF >> $HGRCPATH > [hooks] > incoming.notify = python:hgext.notify.hook > > [notify] > sources = pull > diffstat = True > EOF pull $ hg --cwd b rollback repository tip rolled back to revision 0 (undo pull) $ hg --traceback --cwd b pull ../a | \ > $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),' pulling from ../a searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Test: foo Date: * (glob) Subject: b From: test@test.com X-Hg-Notification: changeset 0647d048b600 Message-Id: <*> (glob) To: baz@test.com, foo@bar changeset 0647d048b600 in b description: b diffstat: a | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diffs (6 lines): diff -r cb9a9f314b8b -r 0647d048b600 a --- a/a Thu Jan 01 00:00:00 1970 +0000 +++ b/a Thu Jan 01 00:00:01 1970 +0000 @@ -1,1 +1,2 @@ a +a (run 'hg update' to get a working copy) test merge $ cd a $ hg up -C 0 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo a >> a $ hg ci -Am adda2 -d '2 0' created new head $ hg merge 0 files updated, 0 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg ci -m merge -d '3 0' $ cd .. $ hg --traceback --cwd b pull ../a | \ > $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),' pulling from ../a searching for changes adding changesets adding manifests adding file changes added 2 changesets with 0 changes to 0 files Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Test: foo Date: * (glob) Subject: adda2 From: test@test.com X-Hg-Notification: changeset 0a184ce6067f Message-Id: <*> (glob) To: baz@test.com, foo@bar changeset 0a184ce6067f in b description: adda2 diffstat: a | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diffs (6 lines): diff -r cb9a9f314b8b -r 0a184ce6067f a --- a/a Thu Jan 01 00:00:00 1970 +0000 +++ b/a Thu Jan 01 00:00:02 1970 +0000 @@ -1,1 +1,2 @@ a +a Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Test: foo Date: * (glob) Subject: merge From: test@test.com X-Hg-Notification: changeset 6a0cf76b2701 Message-Id: <*> (glob) To: baz@test.com, foo@bar changeset 6a0cf76b2701 in b description: merge (run 'hg update' to get a working copy) non-ascii content and truncation of multi-byte subject $ cat <<EOF >> $HGRCPATH > [notify] > maxsubject = 4 > EOF $ echo a >> a/a $ hg --cwd a --encoding utf-8 commit -A -d '0 0' \ > -m `$PYTHON -c 'print "\xc3\xa0\xc3\xa1\xc3\xa2\xc3\xa3\xc3\xa4"'` $ hg --traceback --cwd b --encoding utf-8 pull ../a | \ > $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),' pulling from ../a searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Test: foo Date: * (glob) Subject: \xc3\xa0... (esc) From: test@test.com X-Hg-Notification: changeset 7ea05ad269dc Message-Id: <*> (glob) To: baz@test.com, foo@bar changeset 7ea05ad269dc in b description: \xc3\xa0\xc3\xa1\xc3\xa2\xc3\xa3\xc3\xa4 (esc) diffstat: a | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diffs (7 lines): diff -r 6a0cf76b2701 -r 7ea05ad269dc a --- a/a Thu Jan 01 00:00:03 1970 +0000 +++ b/a Thu Jan 01 00:00:00 1970 +0000 @@ -1,2 +1,3 @@ a a +a (run 'hg update' to get a working copy) long lines $ cat <<EOF >> $HGRCPATH > [notify] > maxsubject = 67 > test = False > mbox = mbox > EOF $ $PYTHON -c 'file("a/a", "ab").write("no" * 500 + "\n")' $ hg --cwd a commit -A -m "long line" $ hg --traceback --cwd b pull ../a pulling from ../a searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files notify: sending 2 subscribers 1 changes (run 'hg update' to get a working copy) $ $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", file("b/mbox").read()),' From test@test.com ... ... .. ..:..:.. .... (re) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Test: foo Date: * (glob) Subject: long line From: test@test.com X-Hg-Notification: changeset e0be44cf638b Message-Id: <hg.e0be44cf638b.*.*@*> (glob) To: baz@test.com, foo@bar changeset e0be44cf638b in b description: long line diffstat: a | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diffs (8 lines): diff -r 7ea05ad269dc -r e0be44cf638b a --- a/a Thu Jan 01 00:00:00 1970 +0000 +++ b/a Thu Jan 01 00:00:00 1970 +0000 @@ -1,3 +1,4 @@ a a a +nonononononononononononononononononononononononononononononononononononono= nononononononononononononononononononononononononononononononononononononon= ononononononononononononononononononononononononononononononononononononono= nononononononononononononononononononononononononononononononononononononon= ononononononononononononononononononononononononononononononononononononono= nononononononononononononononononononononononononononononononononononononon= ononononononononononononononononononononononononononononononononononononono= nononononononononononononononononononononononononononononononononononononon= ononononononononononononononononononononononononononononononononononononono= nononononononononononononononononononononononononononononononononononononon= ononononononononononononononononononononononononononononononononononononono= nononononononononononononononononononononononononononononononononononononon= ononononononononononononononononononononononononononononononononononononono= nonononononononononononono revset selection: send to address that matches branch and repo $ cat << EOF >> $HGRCPATH > [hooks] > incoming.notify = python:hgext.notify.hook > > [notify] > sources = pull > test = True > diffstat = False > maxdiff = 0 > > [reposubs] > */a#branch(test) = will_no_be_send@example.com > */b#branch(test) = notify@example.com > EOF $ hg --cwd a branch test marked working directory as branch test (branches are permanent and global, did you want a bookmark?) $ echo a >> a/a $ hg --cwd a ci -m test -d '1 0' $ hg --traceback --cwd b pull ../a | \ > $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),' pulling from ../a searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Test: foo Date: * (glob) Subject: test From: test@test.com X-Hg-Notification: changeset fbbcbc516f2f Message-Id: <hg.fbbcbc516f2f.*.*@*> (glob) To: baz@test.com, foo@bar, notify@example.com changeset fbbcbc516f2f in b description: test (run 'hg update' to get a working copy) revset selection: don't send to address that waits for mails from different branch $ hg --cwd a update default 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo a >> a/a $ hg --cwd a ci -m test -d '1 0' $ hg --traceback --cwd b pull ../a | \ > $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),' pulling from ../a searching for changes adding changesets adding manifests adding file changes added 1 changesets with 0 changes to 0 files (+1 heads) Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Test: foo Date: * (glob) Subject: test From: test@test.com X-Hg-Notification: changeset 38b42fa092de Message-Id: <hg.38b42fa092de.*.*@*> (glob) To: baz@test.com, foo@bar changeset 38b42fa092de in b description: test (run 'hg heads' to see heads) default template: $ grep -v '^template =' $HGRCPATH > "$HGRCPATH.new" $ mv "$HGRCPATH.new" $HGRCPATH $ echo a >> a/a $ hg --cwd a commit -m 'default template' $ hg --cwd b pull ../a -q | \ > $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),' Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Date: * (glob) Subject: changeset in b: default template From: test@test.com X-Hg-Notification: changeset 3548c9e294b6 Message-Id: <hg.3548c9e294b6.*.*@*> (glob) To: baz@test.com, foo@bar changeset 3548c9e294b6 in $TESTTMP/b (glob) details: http://test/b?cmd=changeset;node=3548c9e294b6 description: default template with style: $ cat <<EOF > notifystyle.map > changeset = "Subject: {desc|firstline|strip} > From: {author} > {""} > changeset {node|short}" > EOF $ cat <<EOF >> $HGRCPATH > [notify] > style = $TESTTMP/notifystyle.map > EOF $ echo a >> a/a $ hg --cwd a commit -m 'with style' $ hg --cwd b pull ../a -q | \ > $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),' Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Date: * (glob) Subject: with style From: test@test.com X-Hg-Notification: changeset e917dbd961d3 Message-Id: <hg.e917dbd961d3.*.*@*> (glob) To: baz@test.com, foo@bar changeset e917dbd961d3 with template (overrides style): $ cat <<EOF >> $HGRCPATH > template = Subject: {node|short}: {desc|firstline|strip} > From: {author} > {""} > {desc} > EOF $ echo a >> a/a $ hg --cwd a commit -m 'with template' $ hg --cwd b pull ../a -q | \ > $PYTHON -c 'import sys,re; print re.sub("\n\t", " ", sys.stdin.read()),' Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Date: * (glob) Subject: a09743fd3edd: with template From: test@test.com X-Hg-Notification: changeset a09743fd3edd Message-Id: <hg.a09743fd3edd.*.*@*> (glob) To: baz@test.com, foo@bar with template