# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import argparse
import importlib
import os
import sys
from mach.decorators
import Command, SubCommand
from mach.util
import get_state_dir
from mozbuild.base
import BuildEnvironmentNotFoundException
from mozbuild.util
import memoize
CONFIG_ENVIRONMENT_NOT_FOUND =
"""
No config environment detected. This means we are unable to properly
detect test files
in the specified paths
or tags. Please run:
$ mach configure
and try again.
""".lstrip()
class get_parser:
def __init__(self, selector):
self.selector = selector
def __call__(self):
mod = importlib.import_module(
"tryselect.selectors.{}".format(self.selector))
return getattr(mod,
"{}Parser".format(self.selector.capitalize()))()
def generic_parser():
from tryselect.cli
import BaseTryParser
parser = BaseTryParser()
parser.add_argument(
"argv", nargs=argparse.REMAINDER)
return parser
def init(command_context):
from tryselect
import push
push.MAX_HISTORY = command_context._mach_context.settings[
"try"][
"maxhistory"]
@memoize
def presets(command_context):
from tryselect.preset
import MergedHandler
# Create our handler using both local and in-tree presets. The first
# path in this list will be treated as the 'user' file for the purposes
# of saving and editing. All subsequent paths are 'read-only'. We check
# an environment variable first for testing purposes.
if os.environ.get(
"MACH_TRY_PRESET_PATHS"):
preset_paths = os.environ[
"MACH_TRY_PRESET_PATHS"].split(os.pathsep)
else:
preset_paths = [
os.path.join(get_state_dir(),
"try_presets.yml"),
os.path.join(
command_context.topsrcdir,
"tools",
"tryselect",
"try_presets.yml"
),
]
return MergedHandler(*preset_paths)
def handle_presets(
command_context, preset_action=
None, save=
None, preset=
None, **kwargs
):
"""Handle preset related arguments.
This logic lives here so that the underlying selectors don
't need
special preset handling. They can all save
and load presets the same
way.
"""
from tryselect.util.dicttools
import merge
user_presets = presets(command_context).handlers[0]
if preset_action ==
"list":
presets(command_context).list()
sys.exit()
if preset_action ==
"edit":
user_presets.edit()
sys.exit()
parser = command_context._mach_context.handler.parser
subcommand = command_context._mach_context.handler.subcommand
if "preset" not in parser.common_groups:
return kwargs
default = parser.get_default
if save:
selector = (
subcommand
or command_context._mach_context.settings[
"try"][
"default"]
)
# Only save non-default values for simplicity.
kwargs = {k: v
for k, v
in kwargs.items()
if v != default(k)}
user_presets.save(save, selector=selector, **kwargs)
print(
"preset saved, run with: --preset={}".format(save))
sys.exit()
if preset:
if preset
not in presets(command_context):
command_context._mach_context.parser.error(
"preset '{}' does not exist".format(preset)
)
name = preset
preset = presets(command_context)[name]
selector = preset.pop(
"selector")
preset.pop(
"description",
None)
# description isn't used by any selectors
if not subcommand:
subcommand = selector
elif subcommand != selector:
print(
"error: preset '{}' exists for a different selector "
"(did you mean to run 'mach try {}' instead?)".format(name, selector)
)
sys.exit(1)
# Order of precedence is defaults -> presets -> cli. Configuration
# from the right overwrites configuration from the left.
defaults = {}
nondefaults = {}
for k, v
in kwargs.items():
if v == default(k):
defaults[k] = v
else:
nondefaults[k] = v
kwargs = merge(defaults, preset, nondefaults)
return kwargs
def handle_try_params(command_context, **kwargs):
from tryselect.util.dicttools
import merge
to_validate = []
kwargs.setdefault(
"try_config_params", {})
for cls
in command_context._mach_context.handler.parser.task_configs.values():
params = cls.get_parameters(**kwargs)
if params
is not None:
to_validate.append(cls)
kwargs[
"try_config_params"] = merge(kwargs[
"try_config_params"], params)
for name
in cls.dests:
del kwargs[name]
# Validate task_configs after they have all been parsed to avoid
# depending on the order they were processed.
for cls
in to_validate:
cls.validate(**kwargs)
return kwargs
def run(command_context, **kwargs):
kwargs = handle_presets(command_context, **kwargs)
if command_context._mach_context.handler.parser.task_configs:
kwargs = handle_try_params(command_context, **kwargs)
mod = importlib.import_module(
"tryselect.selectors.{}".format(
command_context._mach_context.handler.subcommand
)
)
return mod.run(**kwargs)
@Command(
"try",
category=
"ci",
description=
"Push selected tasks to the try server",
parser=generic_parser,
virtualenv_name=
"try",
)
def try_default(command_context, argv=
None, **kwargs):
"""Push selected tests to the try server.
The |mach
try| command
is a frontend
for scheduling tasks to
run on
try server using selectors. A selector
is a subcommand
that provides its own set of command line arguments
and are
listed below.
If no subcommand
is specified, the `auto` selector
is run by
default. Run |mach
try auto --help|
for more information on
scheduling
with the `auto` selector.
"""
init(command_context)
subcommand = command_context._mach_context.handler.subcommand
# We do special handling of presets here so that `./mach try --preset foo`
# works no matter what subcommand 'foo' was saved with.
preset = kwargs[
"preset"]
if preset:
if preset
not in presets(command_context):
command_context._mach_context.handler.parser.error(
"preset '{}' does not exist".format(preset)
)
subcommand = presets(command_context)[preset][
"selector"]
sub = subcommand
or command_context._mach_context.settings[
"try"][
"default"]
return command_context._mach_context.commands.dispatch(
"try",
command_context._mach_context,
command_site_manager=command_context.virtualenv_manager,
subcommand=sub,
argv=argv,
**kwargs,
)
@SubCommand(
"try",
"fuzzy",
description=
"Select tasks on try using a fuzzy finder",
parser=get_parser(
"fuzzy"),
virtualenv_name=
"try",
)
def try_fuzzy(command_context, **kwargs):
"""Select which tasks to run with a fuzzy finding interface (fzf).
When entering the fzf interface you
'll be confronted by two panes. The
one on the left contains every possible task you can schedule, the one
on the right contains the list of selected tasks.
In other words, the
tasks that will be scheduled once you you press <enter>.
At first fzf will automatically select whichever task
is under your
cursor, which simplifies the case when you are looking
for a single
task. But normally you
'll want to select many tasks. To accomplish
you
'll generally start by typing a query in the search bar to filter
down the list of tasks (see Extended Search below). Then you
'll either:
A) Move the cursor to each task you want
and press <tab> to select it.
Notice it now shows up
in the pane to the right.
OR
B) Press <ctrl-a> to select every task that matches your filter.
You can delete your query, type a new one
and select further tasks
as
many times
as you like. Once you are happy
with your selection, press
<enter> to push the selected tasks to
try.
All selected task labels
and their dependencies will be scheduled. This
means you can select a test task
and its build will automatically be
filled
in.
Keyboard Shortcuts
------------------
When
in the fuzzy finder interface, start typing to filter down the
task list. Then use the following keyboard shortcuts to select tasks:
Ctrl-K / Up => Move cursor up
Ctrl-J / Down => Move cursor down
Tab => Select task + move cursor down
Shift-Tab => Select task + move cursor up
Ctrl-A => Select all currently filtered tasks
Ctrl-D => De-select all currently filtered tasks
Ctrl-T => Toggle select all currently filtered tasks
Alt-Bspace => Clear query
from input bar
Enter => Accept selection
and exit
Ctrl-C / Esc => Cancel selection
and exit
? => Toggle preview pane
There are many more shortcuts enabled by default, you can also define
your own shortcuts by setting `--bind`
in the $FZF_DEFAULT_OPTS
environment variable. See `man fzf`
for more info.
Extended Search
---------------
When typing
in search terms, the following modifiers can be applied:
'word: exact match (line must contain the literal string "word")
^word: exact prefix match (line must start
with literal
"word")
word$: exact suffix match (line must end
with literal
"word")
!word: exact negation match (line must
not contain literal
"word")
'a | 'b:
OR operator (joins two exact match operators together)
For example:
^start
'exact | !ignore fuzzy end$
Documentation
-------------
For more detailed documentation, please see:
https://firefox-source-docs.mozilla.org/tools/try/selectors/fuzzy.html
"""
init(command_context)
if kwargs.pop(
"interactive"):
kwargs[
"query"].append(
"INTERACTIVE")
if kwargs.pop(
"intersection"):
kwargs[
"intersect_query"] = kwargs[
"query"]
del kwargs[
"query"]
if kwargs.get(
"save")
and not kwargs.get(
"query"):
# If saving preset without -q/--query, allow user to use the
# interface to build the query.
kwargs_copy = kwargs.copy()
kwargs_copy[
"dry_run"] =
True
kwargs_copy[
"save"] =
None
kwargs[
"query"] = run(command_context, save_query=
True, **kwargs_copy)
if not kwargs[
"query"]:
return
if kwargs.get(
"tag")
and kwargs.get(
"paths"):
command_context._mach_context.handler.parser.error(
"ERROR: only --tag or can be used, not both."
)
return
if kwargs.get(
"paths"):
kwargs[
"test_paths"] = kwargs[
"paths"]
if kwargs.get(
"tag"):
kwargs[
"test_tag"] = kwargs[
"tag"]
return run(command_context, **kwargs)
@SubCommand(
"try",
"chooser",
description=
"Schedule tasks by selecting them from a web interface.",
parser=get_parser(
"chooser"),
virtualenv_name=
"try",
)
def try_chooser(command_context, **kwargs):
"""Push tasks selected from a web interface to try.
This selector will build the taskgraph
and spin up a dynamically
created
'trychooser-like' web-page on the localhost. After a selection
has been made, pressing the
'Push' button will automatically push the
selection to
try.
"""
init(command_context)
command_context.activate_virtualenv()
return run(command_context, **kwargs)
@SubCommand(
"try",
"auto",
description=
"Automatically determine which tasks to run. This runs the same "
"set of tasks that would be run on autoland. This "
"selector is EXPERIMENTAL.",
parser=get_parser(
"auto"),
virtualenv_name=
"try",
)
def try_auto(command_context, **kwargs):
init(command_context)
return run(command_context, **kwargs)
@SubCommand(
"try",
"again",
description=
"Schedule a previously generated (non try syntax) push again.",
parser=get_parser(
"again"),
virtualenv_name=
"try",
)
def try_again(command_context, **kwargs):
init(command_context)
return run(command_context, **kwargs)
@SubCommand(
"try",
"empty",
description=
"Push to try without scheduling any tasks.",
parser=get_parser(
"empty"),
virtualenv_name=
"try",
)
def try_empty(command_context, **kwargs):
"""Push to try, running no builds or tests
This selector does
not prompt you to run anything, it just pushes
your patches to
try, running no builds
or tests by default. After
the push finishes, you can manually add desired jobs to your push
via Treeherder
's Add New Jobs feature, located in the per-push
menu.
"""
init(command_context)
return run(command_context, **kwargs)
@SubCommand(
"try",
"syntax",
description=
"Select tasks on try using try syntax",
parser=get_parser(
"syntax"),
virtualenv_name=
"try",
)
def try_syntax(command_context, **kwargs):
"""Push the current tree to try, with the specified syntax.
Build options, platforms
and regression tests may be selected
using the usual
try options (-b, -p
and -u respectively).
In
addition, tests
in a given directory may be automatically
selected by passing that directory
as a positional argument to the
command.
For example:
mach
try -b d -p linux64 dom testing/web-platform/tests/dom
would schedule a
try run
for linux64 debug consisting of all
tests under dom/
and testing/web-platform/tests/dom.
Test selection using positional arguments
is available
for
mochitests, reftests, xpcshell tests
and web-platform-tests.
Tests may be also filtered by passing --tag to the command,
which will run only tests marked
as having the specified
tags e.g.
mach
try -b d -p win64 --tag media
would run all tests tagged
'media' on Windows 64.
If both positional arguments
or tags
and -u are supplied, the
suites
in -u will be run
in full. Where tests are selected by
positional argument they will be run
in a single chunk.
If no build option
is selected, both debug
and opt will be
scheduled.
If no platform
is selected a default
is taken
from
the AUTOTRY_PLATFORM_HINT environment variable,
if set.
The command requires either its own mercurial extension (
"push-to-try",
installable
from mach vcs-setup)
or a git repo using git-cinnabar
(installable
from mach vcs-setup).
"""
init(command_context)
try:
if "PYTEST_CURRENT_TEST" not in os.environ
and command_context.substs.get(
"MOZ_ARTIFACT_BUILDS"
):
kwargs[
"local_artifact_build"] =
True
except BuildEnvironmentNotFoundException:
# If we don't have a build locally, we can't tell whether
# an artifact build is desired, but we still want the
# command to succeed, if possible.
pass
config_status = os.path.join(command_context.topobjdir,
"config.status")
if (kwargs[
"paths"]
or kwargs[
"tags"])
and not config_status:
print(CONFIG_ENVIRONMENT_NOT_FOUND)
sys.exit(1)
return run(command_context, **kwargs)
@SubCommand(
"try",
"coverage",
description=
"Select tasks on try using coverage data",
parser=get_parser(
"coverage"),
virtualenv_name=
"try",
)
def try_coverage(command_context, **kwargs):
"""Select which tasks to use using coverage data."""
init(command_context)
return run(command_context, **kwargs)
@SubCommand(
"try",
"release",
description=
"Push the current tree to try, configured for a staging release.",
parser=get_parser(
"release"),
virtualenv_name=
"try",
)
def try_release(command_context, **kwargs):
"""Push the current tree to try, configured for a staging release."""
init(command_context)
return run(command_context, **kwargs)
@SubCommand(
"try",
"scriptworker",
description=
"Run scriptworker tasks against a recent release.",
parser=get_parser(
"scriptworker"),
virtualenv_name=
"try",
)
def try_scriptworker(command_context, **kwargs):
"""Run scriptworker tasks against a recent release.
Requires VPN
and shipit access.
"""
init(command_context)
return run(command_context, **kwargs)
@SubCommand(
"try",
"compare",
description=
"Push two try jobs, one on your current commit and another on the one you specify",
parser=get_parser(
"compare"),
virtualenv_name=
"try",
)
def try_compare(command_context, **kwargs):
init(command_context)
return run(command_context, **kwargs)
@SubCommand(
"try",
"perf",
description=
"Try selector for running performance tests.",
parser=get_parser(
"perf"),
virtualenv_name=
"try",
)
def try_perf(command_context, **kwargs):
init(command_context)
return run(command_context, **kwargs)