Label PRs with modified addons

environment.sample

@@ -34,6 +34,9 @@ ODOO_PASSWORD=
 # Number of days before the proposal can be marked as "Approved"
 #MIN_PR_AGE=5
 
+# Color of the github label that contains the name of the module
+#MODULE_LABEL_COLOR=#ffc
+
 # Coma separated list of task to run
 # By default all configured tasks are run.
 # Available tasks:

src/oca_github_bot/config.py

@@ -59,7 +59,7 @@ def func_wrapper(*args, **kwargs):
 # Available tasks:
 #  delete_branch,tag_approved,tag_ready_to_merge,gen_addons_table,
 #  gen_addons_readme,gen_addons_icon,setuptools_odoo,merge_bot,tag_needs_review,
-#  migration_issue_bot,whool_init,gen_metapackage
+#  migration_issue_bot,whool_init,gen_metapackage,label_modified_addons
 BOT_TASKS = os.environ.get("BOT_TASKS", "all").split(",")
 
 BOT_TASKS_DISABLED = os.environ.get("BOT_TASKS_DISABLED", "").split(",")
@@ -101,6 +101,8 @@ def func_wrapper(*args, **kwargs):
 APPROVALS_REQUIRED = int(os.environ.get("APPROVALS_REQUIRED", "2"))
 MIN_PR_AGE = int(os.environ.get("MIN_PR_AGE", "5"))
 
+MODULE_LABEL_COLOR = os.environ.get("MODULE_LABEL_COLOR", "#ffc")
+
 dist_publisher = MultiDistPublisher()
 SIMPLE_INDEX_ROOT = os.environ.get("SIMPLE_INDEX_ROOT")
 if SIMPLE_INDEX_ROOT:

src/oca_github_bot/tasks/__init__.py

@@ -3,6 +3,7 @@
 
 from . import (
     heartbeat,
+    label_modified_addons,
     main_branch_bot,
     mention_maintainer,
     migration_issue_bot,

src/oca_github_bot/tasks/label_modified_addons.py

@@ -0,0 +1,56 @@
+# Copyright (c) ACSONE SA/NV 2024
+# Distributed under the MIT License (http://opensource.org/licenses/MIT).
+
+from .. import github
+from ..config import MODULE_LABEL_COLOR, switchable
+from ..manifest import git_modified_addons
+from ..process import check_call
+from ..queue import task
+from ..utils import compute_module_label_name
+from ..version_branch import is_main_branch_bot_branch
+
+
+def _label_modified_addons(gh, org, repo, pr, dry_run):
+    gh_repo = gh.repository(org, repo)
+    gh_pr = gh.pull_request(org, repo, pr)
+    target_branch = gh_pr.base.ref
+    pr_branch = f"tmp-pr-{pr}"
+    with github.temporary_clone(org, repo, target_branch) as clone_dir:
+        check_call(
+            ["git", "fetch", "origin", f"pull/{pr}/head:{pr_branch}"],
+            cwd=clone_dir,
+        )
+        check_call(["git", "checkout", pr_branch], cwd=clone_dir)
+        modified_addons, _ = git_modified_addons(clone_dir, target_branch)
+        if not modified_addons:
+            return
+        gh_issue = github.gh_call(gh_pr.issue)
+
+        new_labels = set()
+        for modified_addon in modified_addons:
+            label_name = compute_module_label_name(modified_addon)
+            # We create label at repo level, because it is possible to
+            # to set description in create_label() function
+            # (and not in issue.add_labels())
+            if label_name not in [x.name for x in gh_repo.labels()] and not dry_run:
+                github.gh_call(
+                    gh_repo.create_label,
+                    name=label_name,
+                    description=f"Module {modified_addon}",
+                    color=MODULE_LABEL_COLOR.replace("#", ""),
+                )
+            new_labels.add(label_name)
+
+        if is_main_branch_bot_branch(target_branch):
+            new_labels.add(f"series:{target_branch}")
+        new_labels = new_labels - {label.name for label in gh_issue.labels()}
+        if new_labels and not dry_run:
+            for new_label in new_labels:
+                github.gh_call(gh_issue.add_labels, new_label)
+
+
+@task()
+@switchable("label_modified_addons")
+def label_modified_addons(org, repo, pr, dry_run=False):
+    with github.login() as gh:
+        _label_modified_addons(gh, org, repo, pr, dry_run)

src/oca_github_bot/utils.py

@@ -1,13 +1,20 @@
 # Copyright (c) ACSONE SA/NV 2021
 # Distributed under the MIT License (http://opensource.org/licenses/MIT).
 
+import hashlib
 import re
 import shlex
 import time
 from typing import Sequence
 
 from . import config
 
+# Max size allowed by github for label name
+_MAX_LABEL_SIZE = 50
+# Size of the hash, added at the end of the label name
+# if module name is too long
+_HASH_SIZE = 5
+
 
 def hide_secrets(s: str) -> str:
     # TODO do we want to hide other secrets ?
@@ -33,3 +40,24 @@ def retry_on_exception(
 
 def cmd_to_str(cmd: Sequence[str]) -> str:
     return shlex.join(str(c) for c in cmd)
+
+
+def compute_module_label_name(module_name: str) -> str:
+    """To avoid error if label name is too long
+    we cut big label, and finish by a hash of the module name.
+    (The full module name will be present in the description).
+    Short module name exemple :
+    - module : 'web_responsive'
+    - label : 'mod:web_responsive'
+    Long module name exemple :
+    - module : 'account_invoice_supplierinfo_update_triple_discount'
+    - label : 'mod:account_invoice_supplierinfo_update_trip bf3f3'
+    """
+    label_name = f"mod:{module_name}"
+    if len(label_name) > _MAX_LABEL_SIZE:
+        module_hash = hashlib.sha256(bytes(module_name, "utf-8")).hexdigest()
+        label_name = (
+            f"{label_name[:(_MAX_LABEL_SIZE - (_HASH_SIZE + 1))]}"
+            f" {module_hash[:_HASH_SIZE]}"
+        )
+    return label_name

src/oca_github_bot/version_branch.py

@@ -33,7 +33,7 @@ def is_main_branch_bot_branch(branch_name):
 
 
 def is_protected_branch(branch_name):
-    if branch_name == "master":
+    if branch_name in ("master", "main"):
         return True
     return bool(ODOO_VERSION_RE.match(branch_name))
 

src/oca_github_bot/webhooks/__init__.py

@@ -5,6 +5,7 @@
     on_command,
     on_pr_close_delete_branch,
     on_pr_green_label_needs_review,
+    on_pr_label_modified_addons,
     on_pr_open_label_new_contributor,
     on_pr_open_mention_maintainer,
     on_pr_review,

src/oca_github_bot/webhooks/on_pr_label_modified_addons.py

@@ -0,0 +1,21 @@
+# Copyright (c) ACSONE SA/NV 2024
+# Distributed under the MIT License (http://opensource.org/licenses/MIT).
+
+import logging
+
+from ..router import router
+from ..tasks.label_modified_addons import label_modified_addons
+
+_logger = logging.getLogger(__name__)
+
+
+@router.register("pull_request", action="opened")
+@router.register("pull_request", action="reopened")
+@router.register("pull_request", action="synchronize")
+async def on_pr_label_modified_addons(event, *args, **kwargs):
+    """
+    Whenever a PR is opened, add labels based on modified addons.
+    """
+    org, repo = event.data["repository"]["full_name"].split("/")
+    pr = event.data["pull_request"]["number"]
+    label_modified_addons.delay(org, repo, pr)