[O] Migrate sass import

AquaNet/tools/migrate.py

@@ -0,0 +1,76 @@
+import pathlib
+import re
+import subprocess
+import tempfile
+
+def extract_and_migrate_sass(file_path):
+    """Extracts <style lang="sass"> block from a Svelte file, runs sass-migrator on it, and replaces the original style block."""
+
+    with open(file_path, 'r', encoding='utf-8') as file:
+        content = file.read()
+
+    # Regex pattern to match <style lang="sass">...</style>
+    style_pattern = re.compile(r'<style\s+lang\s*=\s*["\']sass["\']>(.*?)</style>', re.DOTALL)
+
+    # Extract all matching style blocks
+    matches = list(style_pattern.finditer(content))
+
+    if not matches:
+        print(f"No <style lang='sass'> block found in {file_path}")
+        return
+
+    updated_content = content
+
+    for match in matches:
+        original_style_block = match.group(0)  # The full <style>...</style> block
+        sass_content = match.group(1)  # The content inside the <style> block
+
+        # Create a temporary file in the same directory as the .svelte file
+        temp_file_path = pathlib.Path(file_path).parent / f"{pathlib.Path(file_path).stem}_temp.sass"
+
+        # Write the SASS content to the temporary file
+        with open(temp_file_path, 'w', encoding='utf-8') as temp_file:
+            temp_file.write(sass_content)
+
+        # Run the sass-migrator on the temporary file
+        try:
+            subprocess.run(['sass-migrator', 'module', str(temp_file_path)], check=True)
+        except subprocess.CalledProcessError as e:
+            print(f"Error while running sass-migrator on {file_path}: {e}")
+            continue
+
+        # Read back the migrated content
+        with open(temp_file_path, 'r', encoding='utf-8') as temp_file:
+            migrated_sass_content = temp_file.read()
+
+        # Create the new <style> block with the migrated SASS content
+        new_style_block = f'<style lang="sass">{migrated_sass_content}</style>'
+
+        # Replace the original style block with the new one
+        updated_content = updated_content.replace(original_style_block, new_style_block)
+
+        # Remove the temporary file
+        temp_file_path.unlink()
+
+    # Write the updated content back to the original file
+    with open(file_path, 'w', encoding='utf-8') as file:
+        file.write(updated_content)
+
+    print(f"Updated {file_path}")
+
+def process_svelte_files(directory):
+    """Recursively processes all .svelte files in the given directory."""
+
+    svelte_files = pathlib.Path(directory).rglob("*.svelte")
+
+    for svelte_file in svelte_files:
+        extract_and_migrate_sass(svelte_file)
+
+def main():
+    """Main function to process all .svelte files in the current directory."""
+
+    current_directory = pathlib.Path(__file__).parent
+    process_svelte_files(current_directory)
+
+if __name__ == "__main__":
+    main()