[Backport stable-25-2] Enhance cherry-pick script

.github/actions/validate_pr_description/pr_template.py

@@ -0,0 +1,60 @@
+"""
+PR template and categories definitions for YDB project.
+Used by both validate_pr_description.py and cherry_pick.py to ensure consistency.
+"""
+
+# Issue reference patterns for validation
+ISSUE_PATTERNS = [
+    r"https://github.com/ydb-platform/[a-z\-]+/issues/\d+",
+    r"https://st.yandex-team.ru/[a-zA-Z]+-\d+",
+    r"#\d+",
+    r"[a-zA-Z]+-\d+"
+]
+
+# Full PR template
+PULL_REQUEST_TEMPLATE = """### Changelog entry <!-- a user-readable short description of the changes that goes to CHANGELOG.md and Release Notes -->
+
+...
+
+### Changelog category <!-- remove all except one -->
+
+* New feature
+* Experimental feature
+* Improvement
+* Performance improvement
+* User Interface
+* Bugfix 
+* Backward incompatible change
+* Documentation (changelog entry is not required)
+* Not for changelog (changelog entry is not required)"""
+
+# Categories that require changelog entry
+FOR_CHANGELOG_CATEGORIES = [
+    "New feature",
+    "Experimental feature",
+    "User Interface",
+    "Improvement",
+    "Performance improvement",
+    "Bugfix",
+    "Backward incompatible change"
+]
+
+# Categories that don't require changelog entry
+NOT_FOR_CHANGELOG_CATEGORIES = [
+    "Documentation (changelog entry is not required)",
+    "Not for changelog (changelog entry is not required)"
+]
+
+# All valid categories
+ALL_CATEGORIES = FOR_CHANGELOG_CATEGORIES + NOT_FOR_CHANGELOG_CATEGORIES
+
+
+def get_category_section_template() -> str:
+    """Get the category section template as a string (for cherry_pick.py)"""
+    return "\n".join([f"* {cat}" for cat in ALL_CATEGORIES])
+
+
+def get_category_section_for_selected(category: str) -> str:
+    """Get category section with only selected category marked"""
+    return f"* {category}"
+

.github/actions/validate_pr_description/validate_pr_description.py

@@ -1,31 +1,13 @@
 import sys
 import re
 from typing import Tuple
-
-issue_patterns = [
-    r"https://github.com/ydb-platform/[a-z\-]+/issues/\d+",
-    r"https://st.yandex-team.ru/[a-zA-Z]+-\d+",
-    r"#\d+",
-    r"[a-zA-Z]+-\d+"
-]
-
-pull_request_template = """
-### Changelog entry <!-- a user-readable short description of the changes that goes to CHANGELOG.md and Release Notes -->
-
-...
-
-### Changelog category <!-- remove all except one -->
-
-* New feature
-* Experimental feature
-* Improvement
-* Performance improvement
-* User Interface
-* Bugfix 
-* Backward incompatible change
-* Documentation (changelog entry is not required)
-* Not for changelog (changelog entry is not required)
-"""
+from pr_template import (
+    ISSUE_PATTERNS,
+    PULL_REQUEST_TEMPLATE,
+    FOR_CHANGELOG_CATEGORIES,
+    NOT_FOR_CHANGELOG_CATEGORIES,
+    ALL_CATEGORIES
+)
 
 def validate_pr_description(description, is_not_for_cl_valid=True) -> bool:
     try:
@@ -44,7 +26,7 @@ def check_pr_description(description, is_not_for_cl_valid=True) -> Tuple[bool, s
     if "### Changelog category" not in description and "### Changelog entry" not in description:
         return is_not_for_cl_valid, "Changelog category and entry sections are not found."
 
-    if pull_request_template.strip() in description.strip():
+    if PULL_REQUEST_TEMPLATE.strip() in description.strip():
             return is_not_for_cl_valid, "Pull request template as is."
 
     # Extract changelog category section
@@ -62,34 +44,18 @@ def check_pr_description(description, is_not_for_cl_valid=True) -> Tuple[bool, s
         return False, txt
 
     category = categories[0]
-    for_cl_categories = [
-        "New feature",
-        "Experimental feature",
-        "User Interface",
-        "Improvement", 
-        "Performance improvement",
-        "Bugfix",
-        "Backward incompatible change"
-    ]
-
-    not_for_cl_categories = [
-        "Documentation (changelog entry is not required)",
-        "Not for changelog (changelog entry is not required)"
-    ]
-
-    valid_categories = for_cl_categories + not_for_cl_categories
 
-    if not any(cat.startswith(category) for cat in valid_categories):
+    if not any(cat.startswith(category) for cat in ALL_CATEGORIES):
         txt = f"Invalid Changelog category: {category}"
         print(f"::warning::{txt}")
         return False, txt
 
-    if not is_not_for_cl_valid and any(cat.startswith(category) for cat in not_for_cl_categories):
+    if not is_not_for_cl_valid and any(cat.startswith(category) for cat in NOT_FOR_CHANGELOG_CATEGORIES):
         txt = f"Category is not for changelog: {category}"
         print(f"::notice::{txt}")
         return False, txt
 
-    if not any(cat.startswith(category) for cat in not_for_cl_categories):
+    if not any(cat.startswith(category) for cat in NOT_FOR_CHANGELOG_CATEGORIES):
         entry_section = re.search(r"### Changelog entry.*?\n(.*?)(\n###|$)", description, re.DOTALL)
         if not entry_section or len(entry_section.group(1).strip()) < 20:
             txt = "The changelog entry is less than 20 characters or missing."
@@ -100,7 +66,7 @@ def check_pr_description(description, is_not_for_cl_valid=True) -> Tuple[bool, s
             def check_issue_pattern(issue_pattern):
                 return re.search(issue_pattern, description)
 
-            if not any(check_issue_pattern(issue_pattern) for issue_pattern in issue_patterns):
+            if not any(check_issue_pattern(issue_pattern) for issue_pattern in ISSUE_PATTERNS):
                 txt = "Bugfix requires a linked issue in the changelog entry"
                 print(f"::warning::{txt}")
                 return False, txt