ci(*:skip) Fix PR title check regex (#3497)

.github/workflows/pr_check.yml

@@ -14,7 +14,6 @@ jobs:
   pr_title_check:
     runs-on: ubuntu-22.04
     name: Title format
-    if: ${{ github.actor != 'dependabot[bot]' }}
     steps:
       - uses: actions/checkout@v4
       - name: Bootstrap

dev/changelog_config.toml

@@ -7,7 +7,7 @@ project = ["framework", "baselines", "datasets", "examples"]
 
 scope = "skip"
 
-pattern_template = "^({types})\\(({projects})(?::({scope}))?\\) ([A-Z][^\\.\\n]*(?:\\.(?=[^\\.\\n]))*[^\\.\\n]*)$"
+pattern_template = "^({types})\\(({projects})(?::({scope}))?\\) ([A-Z][^\\n]*[^\\.\\n])$"
 
 allowed_verbs=[
   "Abandon",

dev/check_pr_title.py

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ==============================================================================
-"""This module is used to check a given PR title format."""
+"""Used to check a given PR title format."""
 
 import pathlib
 import re
@@ -46,10 +46,13 @@
     valid = True
     error = "it doesn't have the correct format"
 
-    if not match:
+    # This check is there to ignore dependabot PRs from title checks
+    if pr_title.startswith("chore"):
+        sys.exit(0)
+    elif not match:
         valid = False
     else:
-        if not match.group(4).split()[0] in allowed_verbs:
+        if match.group(4).split()[0] not in allowed_verbs:
             valid = False
             error = "the <PR_SUBJECT> doesn't start with a verb in the imperative mood"
         elif match.group(2) == "*" and match.group(3) is None:
@@ -58,16 +61,16 @@
 
     if not valid:
         print(
-            f"PR title `{pr_title}` is invalid, {error}.\n\n"
-            "A PR title should be of the form:\n\n\t<PR_TYPE>(<PR_PROJECT>) "
-            f"<PR_SUBJECT>\n\nOr, if the PR shouldn't appear in the changelog:\n\n\t"
-            f"<PR_TYPE>(<PR_PROJECT>:skip) <PR_SUBJECT>\n\nwith <PR_TYPE> in [{types}],\n"
-            f"<PR_PROJECT> in [{'|'.join(config['project']) + '|*'}] (where '*' is used "
-            "when modifying multiple projects and should be used in "
+            f"PR title `{pr_title}` is invalid, {error}.\n\nA PR title should "
+            "be of the form:\n\n\t<PR_TYPE>(<PR_PROJECT>) <PR_SUBJECT>\n\n"
+            f"Or, if the PR shouldn't appear in the changelog:\n\n\t<PR_TYPE>"
+            f"(<PR_PROJECT>:skip) <PR_SUBJECT>\n\nwith <PR_TYPE> in [{types}],\n"
+            f"<PR_PROJECT> in [{'|'.join(config['project']) + '|*'}] "
+            "(where '*' is used when modifying multiple projects and should be used in "
             "conjunction with the ':skip' flag),\nand <PR_SUBJECT> starting with "
-            "a capitalized verb in the imperative mood and without any punctuation at the end.\n\n"
-            "A valid example is:\n\n\t`feat(framework) Add flwr build CLI command`\n\n"
-            "Or, if the PR shouldn't appear in the changelog:\n\n\t"
-            "`feat(framework:skip) Add new option to build CLI`\n"
+            "a capitalized verb in the imperative mood and without any punctuation "
+            "at the end.\n\nA valid example is:\n\n\t`feat(framework) "
+            "Add flwr build CLI command`\n\nOr, if the PR shouldn't appear in "
+            "the changelog:\n\n\t`feat(framework:skip) Add new option to build CLI`\n"
         )
         sys.exit(1)