wip

mypy/build.py

@@ -1091,7 +1091,7 @@ def save_baseline(manager: BuildManager):
         file.parent.mkdir(parents=True)
     data: BaselineType = {
         "files": new_baseline,
-        "format": "1.7",
+        "format": "2.6",
         "targets": manager.options._targets,
     }
     with file.open("w") as f:
@@ -1159,7 +1159,7 @@ def error(msg: str | None = None) -> bool:
 
     if baseline_format is None and error():
         return
-    elif baseline_format != "1.7":
+    elif baseline_format != "2.6":
         if not options.write_baseline:
             error(
                 f"error: Baseline file '{file}' was generated with an old version of basedmypy.\n"

mypy/errors.py

@@ -1389,7 +1389,7 @@ def remove_duplicates(errors: list[ErrorInfo]) -> list[ErrorInfo]:
             return unduplicated_result
 
         allowed = self.options.baseline_allows
-        banned = self.options.baseline_allows
+        banned = self.options.baseline_bans
         rejected = []
         error_list = []
 
@@ -1404,7 +1404,7 @@ def yes_no(condition: bool) -> bool:
             if allowed:
                 return yes_no(error.code in allowed)
             if banned:
-                return yes_no(error.code in banned)
+                return yes_no(error.code not in banned)
             return yes_no(True)
 
         result = {

mypy/main.py

@@ -9,6 +9,7 @@
 import time
 from collections import defaultdict
 from gettext import gettext
+from operator import itemgetter
 from typing import IO, Any, Final, NoReturn, Sequence, TextIO
 
 import mypy.options
@@ -134,8 +135,8 @@ def main(
                     all_errors[error.code.code] += 1
             if all_errors:
                 max_code_name_length = max(len(code_name) for code_name in all_errors)
-                for code_name, count in all_errors.items():
-                    stdout.write(f"  {code_name:<{max_code_name_length}} {count:>5}\n")
+                for error_code, count in sorted(all_errors.items(), key=itemgetter(1)):
+                    stdout.write(f"  {error_code:<{max_code_name_length}} {count:>5}\n")
         if options.write_baseline and res:
             n_files = len(res.manager.errors.all_errors)
             stats = res.manager.errors.baseline_stats
@@ -144,7 +145,8 @@ def main(
             new_errors = n_errors - rejected
             previous = res.manager.errors.original_baseline
             stdout.write(formatter.style("baseline:\n", color="none", bold=True))
-            stdout.write(f"  {new_errors} new error{plural_s(new_errors)}\n")
+            if new_errors >= 0:
+                stdout.write(f"  {new_errors} new error{plural_s(new_errors)}\n")
             stdout.write(f"  {total} error{plural_s(total)} in baseline\n")
             difference = (
                 len(
@@ -653,7 +655,7 @@ def add_invertible_flag(
     )
     add_invertible_flag(
         "--no-summary",
-        default=False,
+        default=True,
         help="don't show an error code summary at the end",
         group=based_group,
     )

mypy/test/testcmdline.py

@@ -65,6 +65,7 @@ def test_python_cmdline(testcase: DataDrivenTestCase, step: int) -> None:
     if "# dont-normalize-output:" in testcase.input:
         testcase.normalize_output = False
     args.append("--show-traceback")
+    args.append("--no-summary")
     based = "based" in testcase.parent.name
     if not based:
         args.append("--no-strict")
@@ -116,7 +117,7 @@ def test_python_cmdline(testcase: DataDrivenTestCase, step: int) -> None:
     # Remove temp file.
     os.remove(program_path)
     # Compare actual output to expected.
-    if testcase.output_files:
+    if testcase.output_files and False:
         assert not testcase.output, "output not checked when outfile supplied"
         # Ignore stdout, but we insist on empty stderr and zero status.
         if err or result:
@@ -126,6 +127,8 @@ def test_python_cmdline(testcase: DataDrivenTestCase, step: int) -> None:
             )
         check_test_output_files(testcase, step)
     else:
+        if testcase.output_files:
+            check_test_output_files(testcase, step)
         if testcase.normalize_output:
             out = normalize_error_messages(err + out)
         obvious_result = 1 if out else 0