Look for deprecated configs and warn about them

Author: calcmogul

wpiformat/wpiformat/__init__.py

@@ -86,7 +86,13 @@ def proc_pipeline(name):
     Keyword arguments:
     name -- file name string
     """
-    config_file = Config(os.path.dirname(name), ".wpiformat")
+    try:
+        config_file = Config(os.path.dirname(name), ".wpiformat")
+    except OSError:
+        # TODO: Remove handling for deprecated .styleguide file
+        config_file = Config(os.path.dirname(name), ".styleguide")
+        print("Warning: found deprecated '.styleguide' file. Rename to '.wpiformat'.")
+
     if verbose1 or verbose2:
         with print_lock:
             print("Processing", name)
@@ -128,7 +134,13 @@ def proc_standalone(name):
     Keyword arguments:
     name -- file name string
     """
-    config_file = Config(os.path.dirname(name), ".wpiformat")
+    try:
+        config_file = Config(os.path.dirname(name), ".wpiformat")
+    except OSError:
+        # TODO: Remove handling for deprecated .styleguide file
+        config_file = Config(os.path.dirname(name), ".styleguide")
+        print("Warning: found deprecated '.styleguide' file. Rename to '.wpiformat'.")
+
     if verbose2:
         with print_lock:
             print("Processing", name)
@@ -178,7 +190,15 @@ def proc_batch(files):
     for subtask in task_pipeline:
         work = []
         for name in files:
-            config_file = Config(os.path.dirname(name), ".wpiformat")
+            try:
+                config_file = Config(os.path.dirname(name), ".wpiformat")
+            except OSError:
+                # TODO: Remove handling for deprecated .styleguide file
+                config_file = Config(os.path.dirname(name), ".styleguide")
+                print(
+                    "Warning: found deprecated '.styleguide' file. Rename to '.wpiformat'."
+                )
+
             if subtask.should_process_file(config_file, name):
                 work.append(name)
 
@@ -443,7 +463,14 @@ def main():
     # Don't run tasks on modifiable or generated files
     work = []
     for name in files:
-        config_file = Config(os.path.dirname(name), ".wpiformat")
+        try:
+            config_file = Config(os.path.dirname(name), ".wpiformat")
+        except OSError:
+            # TODO: Remove handling for deprecated .styleguide file
+            config_file = Config(os.path.dirname(name), ".styleguide")
+            print(
+                "Warning: found deprecated '.styleguide' file. Rename to '.wpiformat'."
+            )
 
         if config_file.is_modifiable_file(name):
             continue

wpiformat/wpiformat/config.py

@@ -43,17 +43,13 @@ def read_file(directory, file_name):
                         os.path.join(directory, file_name),
                         file_contents.read().splitlines(),
                     )
-            except OSError:
+            except OSError as e:
                 # .git files are ignored, which are created within submodules
                 if os.path.isdir(directory + os.sep + ".git"):
                     print(
-                        "Error: config file '"
-                        + file_name
-                        + "' not found in '"
-                        + directory
-                        + "'"
+                        f"Error: config file '{file_name}' not found in '{directory}'"
                     )
-                    sys.exit(1)
+                    raise e
                 directory = os.path.dirname(directory)
 
     def group(self, group_name):

wpiformat/wpiformat/licenseupdate.py

@@ -135,9 +135,18 @@ def __try_string_search(self, lines, last_year, license_template):
     def run_pipeline(self, config_file, name, lines):
         linesep = super().get_linesep(lines)
 
-        _, license_template = Config.read_file(
-            os.path.dirname(os.path.abspath(name)), ".wpiformat-license"
-        )
+        try:
+            _, license_template = Config.read_file(
+                os.path.dirname(os.path.abspath(name)), ".wpiformat-license"
+            )
+        except OSError:
+            # TODO: Remove handling for deprecated .styleguide-license file
+            _, license_template = Config.read_file(
+                os.path.dirname(os.path.abspath(name)), ".styleguide-license"
+            )
+            print(
+                "Warning: found deprecated '.styleguide-license' file. Rename to '.wpiformat-license'."
+            )
 
         # Get year when file was most recently modified in Git history
         #