implement configurable field drop from post header

app/config.py

@@ -23,10 +23,13 @@ class ConverterOptions(BaseModel):
         Will rewrite the author to this value for all the posts.
     links_rewrite : list[dict]
         Will rewrite the links to this value for all the posts.
+    header_fields_drop : list[str]
+        Will drop the specified header fields from the posts.
     """
 
     author_rewrite: str
     links_rewrite: list[dict]
+    header_fields_drop: list[str]
 
 
 class Configurator(BaseSettings):

app/converter/wordpress_markdown.py

@@ -39,14 +39,10 @@ class WordpressMarkdownConverter:
         dict
             The fixed header
         """
+        for field in self.configurator.converter_options.header_fields_drop:
             with key_error_silence():
-            del header["restapi_import_id"]
+                del header[field]
-        with key_error_silence():
+        # rewrite header fields
-            del header["original_post_id"]
-        with key_error_silence():
-            del header["timeline_notification"]
-        with key_error_silence():
-            del header["wordads_ufa"]
         header["guid"] = header["guid"].replace("http://localhost", "")
         header["author"] = self.configurator.converter_options.author_rewrite
         return header

app/tests/utils_test.py

@@ -1,7 +1,10 @@
 import pytest
 
-from app.utils import (guard_against_none, guard_against_none_or_empty_str,
+from app.utils import (
-                       key_error_silence)
+    guard_against_none,
+    guard_against_none_or_empty_str,
+    key_error_silence,
+)
 
 
 def test_key_error_silence():

config.yaml

@@ -9,3 +9,8 @@ converter_options:
       target: "/"
     - source: "https://nuculabs.wordpress.com/"
       target: "https://nuculabs.dev/posts/"
+  header_fields_drop:
+    - restapi_import_id
+    - original_post_id
+    - timeline_notification
+    - wordads_ufa