dianaclarke commented on a change in pull request #9598:
URL: https://github.com/apache/arrow/pull/9598#discussion_r590472008
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File path: dev/merge_arrow_pr.py
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@@ -547,6 +566,86 @@ def get_pr_num():
return input("Which pull request would you like to merge? (e.g. 34): ")
+_JIRA_COMPONENT_REGEX = re.compile(r'(\[[^\]]*\])+')
+
+# Maps PR title prefixes to JIRA components
+PR_COMPONENTS_TO_JIRA_COMPONENTS = {
+ '[Rust]': 'Rust',
+ '[Rust][DataFusion]': 'Rust - DataFusion',
+ '[C++]': 'C++',
+ '[R]': 'R',
+}
+
+
+# Return the best matching JIRA component from a PR title, if any
+# "[Rust] Fix something" --> Rust
+# "[Rust][DataFusion] Fix" --> Rust - DataFusion
+# "[CPP] Fix " --> "C++"
+def jira_component_name_from_title(title):
+ match = _JIRA_COMPONENT_REGEX.match(title.strip())
+ if match:
+ pr_component = str(match.group(0))
+ return PR_COMPONENTS_TO_JIRA_COMPONENTS.get(pr_component)
+
+
+# If no jira ID can be found for the PR, offer to create one
+# returns returns the github pr_data
Review comment:
Duplicate word: `returns returns`
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