1 files changed, 143 insertions, 0 deletions
diff --git a/taskcluster/gecko_taskgraph/util/attributes.py b/taskcluster/gecko_taskgraph/util/attributes.py
new file mode 100644
index 0000000000..0ed0be5a8d
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+++ b/taskcluster/gecko_taskgraph/util/attributes.py
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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/.
+
+
+import re
+
+INTEGRATION_PROJECTS = {
+    "autoland",
+}
+
+TRUNK_PROJECTS = INTEGRATION_PROJECTS | {"mozilla-central", "comm-central"}
+
+RELEASE_PROJECTS = {
+    "mozilla-central",
+    "mozilla-beta",
+    "mozilla-release",
+    "mozilla-esr102",
+    "mozilla-esr115",
+    "comm-central",
+    "comm-beta",
+    "comm-esr102",
+    "comm-esr115",
+}
+
+RELEASE_PROMOTION_PROJECTS = {
+    "jamun",
+    "maple",
+    "try",
+    "try-comm-central",
+} | RELEASE_PROJECTS
+
+TEMPORARY_PROJECTS = set(
+    {
+        # When using a "Disposable Project Branch" you can specify your branch here. e.g.:
+        "oak",
+    }
+)
+
+TRY_PROJECTS = {
+    "try",
+    "try-comm-central",
+}
+
+ALL_PROJECTS = RELEASE_PROMOTION_PROJECTS | TRUNK_PROJECTS | TEMPORARY_PROJECTS
+
+RUN_ON_PROJECT_ALIASES = {
+    # key is alias, value is lambda to test it against
+    "all": lambda project: True,
+    "integration": lambda project: (
+        project in INTEGRATION_PROJECTS or project == "toolchains"
+    ),
+    "release": lambda project: (project in RELEASE_PROJECTS or project == "toolchains"),
+    "trunk": lambda project: (project in TRUNK_PROJECTS or project == "toolchains"),
+    "trunk-only": lambda project: project in TRUNK_PROJECTS,
+    "autoland": lambda project: project in ("autoland", "toolchains"),
+    "autoland-only": lambda project: project == "autoland",
+    "mozilla-central": lambda project: project in ("mozilla-central", "toolchains"),
+    "mozilla-central-only": lambda project: project == "mozilla-central",
+}
+
+_COPYABLE_ATTRIBUTES = (
+    "accepted-mar-channel-ids",
+    "artifact_map",
+    "artifact_prefix",
+    "build_platform",
+    "build_type",
+    "l10n_chunk",
+    "locale",
+    "mar-channel-id",
+    "maven_packages",
+    "nightly",
+    "required_signoffs",
+    "shippable",
+    "shipping_phase",
+    "shipping_product",
+    "signed",
+    "stub-installer",
+    "update-channel",
+)
+
+
+def match_run_on_projects(project, run_on_projects):
+    """Determine whether the given project is included in the `run-on-projects`
+    parameter, applying expansions for things like "integration" mentioned in
+    the attribute documentation."""
+    aliases = RUN_ON_PROJECT_ALIASES.keys()
+    run_aliases = set(aliases) & set(run_on_projects)
+    if run_aliases:
+        if any(RUN_ON_PROJECT_ALIASES[alias](project) for alias in run_aliases):
+            return True
+
+    return project in run_on_projects
+
+
+def match_run_on_hg_branches(hg_branch, run_on_hg_branches):
+    """Determine whether the given project is included in the `run-on-hg-branches`
+    parameter. Allows 'all'."""
+    if "all" in run_on_hg_branches:
+        return True
+
+    for expected_hg_branch_pattern in run_on_hg_branches:
+        if re.match(expected_hg_branch_pattern, hg_branch):
+            return True
+
+    return False
+
+
+def copy_attributes_from_dependent_job(dep_job, denylist=()):
+    return {
+        attr: dep_job.attributes[attr]
+        for attr in _COPYABLE_ATTRIBUTES
+        if attr in dep_job.attributes and attr not in denylist
+    }
+
+
+def sorted_unique_list(*args):
+    """Join one or more lists, and return a sorted list of unique members"""
+    combined = set().union(*args)
+    return sorted(combined)
+
+
+def release_level(project):
+    """
+    Whether this is a staging release or not.
+
+    :return str: One of "production" or "staging".
+    """
+    return "production" if project in RELEASE_PROJECTS else "staging"
+
+
+def is_try(params):
+    """
+    Determine whether this graph is being built on a try project or for
+    `mach try fuzzy`.
+    """
+    return "try" in params["project"] or params["try_mode"] == "try_select"
+
+
+def task_name(task):
+    if task.label.startswith(task.kind + "-"):
+        return task.label[len(task.kind) + 1 :]
+    raise AttributeError(f"Task {task.label} does not have a name.")