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# 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/.
from taskgraph.util.attributes import (
match_run_on_git_branches,
match_run_on_projects,
match_run_on_tasks_for,
)
_target_task_methods = {}
_GIT_REFS_HEADS_PREFIX = "refs/heads/"
def _target_task(name):
def wrap(func):
_target_task_methods[name] = func
return func
return wrap
def get_method(method):
"""Get a target_task_method to pass to a TaskGraphGenerator."""
return _target_task_methods[method]
def filter_out_cron(task, parameters):
"""
Filter out tasks that run via cron.
"""
return not task.attributes.get("cron")
def filter_for_project(task, parameters):
"""Filter tasks by project. Optionally enable nightlies."""
run_on_projects = set(task.attributes.get("run_on_projects", []))
return match_run_on_projects(parameters["project"], run_on_projects)
def filter_for_tasks_for(task, parameters):
run_on_tasks_for = set(task.attributes.get("run_on_tasks_for", ["all"]))
return match_run_on_tasks_for(parameters["tasks_for"], run_on_tasks_for)
def filter_for_git_branch(task, parameters):
"""Filter tasks by git branch.
If `run_on_git_branch` is not defined, then task runs on all branches"""
# We cannot filter out on git branches if we not on a git repository
if parameters.get("repository_type") != "git":
return True
# Pull requests usually have arbitrary names, let's not filter git branches on them.
if parameters["tasks_for"] == "github-pull-request":
return True
run_on_git_branches = set(task.attributes.get("run_on_git_branches", ["all"]))
git_branch = parameters["head_ref"]
if git_branch.startswith(_GIT_REFS_HEADS_PREFIX):
git_branch = git_branch[len(_GIT_REFS_HEADS_PREFIX) :]
return match_run_on_git_branches(git_branch, run_on_git_branches)
def filter_out_shipping_phase(task, parameters):
return task.attributes.get("shipping_phase") in (None, "build")
def standard_filter(task, parameters):
return all(
filter_func(task, parameters)
for filter_func in (
filter_out_cron,
filter_out_shipping_phase,
filter_for_project,
filter_for_tasks_for,
filter_for_git_branch,
)
)
@_target_task("default")
def target_tasks_default(full_task_graph, parameters, graph_config):
"""Target the tasks which have indicated they should be run on this project
via the `run_on_projects` attributes."""
return [
l for l, t in full_task_graph.tasks.items() if standard_filter(t, parameters)
]
@_target_task("codereview")
def target_tasks_codereview(full_task_graph, parameters, graph_config):
"""Target the tasks which have indicated they should be run on this project
via the `run_on_projects` attributes."""
return [
l
for l, t in full_task_graph.tasks.items()
if standard_filter(t, parameters) and t.attributes.get("code-review")
]
@_target_task("nothing")
def target_tasks_nothing(full_task_graph, parameters, graph_config):
"""Select nothing, for DONTBUILD pushes"""
return []
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