Improve error wording

Co-authored-by: Ezio Melotti <[email protected]>

Author: hugovk

src/blurb/blurb.py

@@ -486,10 +486,10 @@ def finish_entry():
                     try:
                         int(value)
                     except (TypeError, ValueError):
-                        throw(f"Invalid {issue_keys[key]} issue number! ({value!r})")
+                        throw(f"Invalid {issue_keys[key]} number: {value!r}")
 
                 if key == "gh-issue" and int(value) < lowest_possible_gh_issue_number:
-                    throw(f"The gh-issue number must be {lowest_possible_gh_issue_number} or above, not a PR number.")
+                    throw(f"Invalid gh-issue number: {value!r} (must be >= {lowest_possible_gh_issue_number})")
 
                 if key == "section":
                     if no_changes:

tests/test_blurb.py

@@ -217,15 +217,15 @@ def test_parse():
         ),
         (
             ".. gh-issue: 1\n.. section: IDLE\nHello world!",
-            r"The gh-issue number must be 32426 or above, not a PR number",
+            r"Invalid gh-issue number: '1' \(must be >= 32426\)",
         ),
         (
             ".. bpo: one-two\n.. section: IDLE\nHello world!",
-            r"Invalid bpo issue number! \('one-two'\)",
+            r"Invalid bpo number: 'one-two'",
         ),
         (
             ".. gh-issue: one-two\n.. section: IDLE\nHello world!",
-            r"Invalid GitHub issue number! \('one-two'\)",
+            r"Invalid GitHub number: 'one-two'",
         ),
         (
             ".. gh-issue: 123456\n.. section: Funky Kong\nHello world!",