black-primer: Print summary after individual failures (psf#2570)

If the individual failures are verbose, it's useful to have
the summary at the end. Otherwise, it can be really difficult
to figure out which projects have an issue.

CHANGES.md

@@ -8,13 +8,17 @@
 - Add new `--workers` parameter (#2514)
 - Fixed feature detection for positional-only arguments in lambdas (#2532)
 - Bumped typed-ast version minimum to 1.4.3 for 3.10 compatiblity (#2519)
-- Add primer support for --projects (#2555)
 
 ### _Blackd_
 
 - Remove dependency on aiohttp-cors (#2500)
 - Bump required aiohttp version to 3.7.4 (#2509)
 
+### _Black-Primer_
+
+- Add primer support for --projects (#2555)
+- Print primer summary after individual failures (#2570)
+
 ### Integrations
 
 - Allow to pass `target_version` in the vim plugin (#1319)

src/black_primer/lib.py

@@ -88,6 +88,18 @@ def analyze_results(project_count: int, results: Results) -> int:
     failed_pct = round(((results.stats["failed"] / project_count) * 100), 2)
     success_pct = round(((results.stats["success"] / project_count) * 100), 2)
 
+    if results.failed_projects:
+        click.secho("\nFailed projects:\n", bold=True)
+
+    for project_name, project_cpe in results.failed_projects.items():
+        print(f"## {project_name}:")
+        print(f" - Returned {project_cpe.returncode}")
+        if project_cpe.stderr:
+            print(f" - stderr:\n{project_cpe.stderr.decode('utf8')}")
+        if project_cpe.stdout:
+            print(f" - stdout:\n{project_cpe.stdout.decode('utf8')}")
+        print("")
+
     click.secho("-- primer results 📊 --\n", bold=True)
     click.secho(
         f"{results.stats['success']} / {project_count} succeeded ({success_pct}%) ✅",
@@ -110,16 +122,8 @@ def analyze_results(project_count: int, results: Results) -> int:
     )
 
     if results.failed_projects:
-        click.secho("\nFailed projects:\n", bold=True)
-
-    for project_name, project_cpe in results.failed_projects.items():
-        print(f"## {project_name}:")
-        print(f" - Returned {project_cpe.returncode}")
-        if project_cpe.stderr:
-            print(f" - stderr:\n{project_cpe.stderr.decode('utf8')}")
-        if project_cpe.stdout:
-            print(f" - stdout:\n{project_cpe.stdout.decode('utf8')}")
-        print("")
+        failed = ", ".join(results.failed_projects.keys())
+        click.secho(f"\nFailed projects: {failed}\n", bold=True)
 
     return results.stats["failed"]
 

tests/test_primer.py

@@ -20,6 +20,14 @@
 
 
 EXPECTED_ANALYSIS_OUTPUT = """\
+
+Failed projects:
+
+## black:
+ - Returned 69
+ - stdout:
+Black didn't work
+
 -- primer results 📊 --
 
 68 / 69 succeeded (98.55%) ✅
@@ -28,12 +36,7 @@
  - 0 projects skipped due to Python version
  - 0 skipped due to long checkout
 
-Failed projects:
-
-## black:
- - Returned 69
- - stdout:
-Black didn't work
+Failed projects: black
 
 """
 FAKE_PROJECT_CONFIG = {