debug #1516

Author: nedbat

coverage/config.py

@@ -291,12 +291,15 @@ def from_file(self, filename: str, warn: Callable[[str], None], our_file: bool)
         else:
             cp = HandyConfigParser(our_file)
 
+        print(f"{cp=}")
         self.attempted_config_files.append(filename)
 
         try:
             files_read = cp.read(filename)
         except (configparser.Error, TomlDecodeError) as err:
+            print(f"{err=}")
             raise ConfigError(f"Couldn't read config file {filename}: {err}") from err
+        print(f"{files_read=}")
         if not files_read:
             return False
 
@@ -308,6 +311,7 @@ def from_file(self, filename: str, warn: Callable[[str], None], our_file: bool)
                 was_set = self._set_attr_from_config_option(cp, *option_spec)
                 if was_set:
                     any_set = True
+                    print(f"{any_set=} because {option_spec=}")
         except ValueError as err:
             raise ConfigError(f"Couldn't read config file {filename}: {err}") from err
 
@@ -332,20 +336,24 @@ def from_file(self, filename: str, warn: Callable[[str], None], our_file: bool)
             for option in cp.options('paths'):
                 self.paths[option] = cp.getlist('paths', option)
                 any_set = True
+                print(f"{any_set=} because paths:{option}")
 
         # plugins can have options
         for plugin in self.plugins:
             if cp.has_section(plugin):
                 self.plugin_options[plugin] = cp.get_section(plugin)
                 any_set = True
+                print(f"{any_set=} because {plugin=}:{option}")
 
         # Was this file used as a config file? If it's specifically our file,
         # then it was used.  If we're piggybacking on someone else's file,
         # then it was only used if we found some settings in it.
+        print(f"{our_file=}")
         if our_file:
             used = True
         else:
             used = any_set
+        print(f"{used=}")
 
         if used:
             self.config_file = os.path.abspath(filename)
@@ -591,7 +599,9 @@ def read_coverage_config(
         files_to_try = config_files_to_try(config_file)
 
         for fname, our_file, specified_file in files_to_try:
+            print(f"Reading {fname=}")
             config_read = config.from_file(fname, warn, our_file=our_file)
+            print(f"{config_read=}")
             if config_read:
                 break
             if specified_file:

coverage/tomlconfig.py

@@ -43,12 +43,15 @@ def read(self, filenames):
         try:
             with open(filename, encoding='utf-8') as fp:
                 toml_text = fp.read()
-        except OSError:
+        except OSError as err:
+            print(f"OSError {err=}")
             return []
+        print(f"{tomllib=}")
         if tomllib is not None:
             try:
                 self.data = tomllib.loads(toml_text)
             except tomllib.TOMLDecodeError as err:
+                print(f"TomlDecodeError {err=}")
                 raise TomlDecodeError(str(err)) from err
             return [filename]
         else: