Merge pull request #335 from flairNLP/various_bug_fixes

Various bug fixes

Author: MaxDall

scripts/generate_parser_test_files.py

@@ -100,5 +100,3 @@ def get_test_article(enum: PublisherEnum) -> Optional[Article]:
             test_data_file.write(test_data)
             bar.update()
             subprocess.call(["git", "add", test_data_file.path], stdout=subprocess.PIPE)
-
-        bar.update()

src/fundus/parser/base_parser.py

@@ -276,7 +276,13 @@ def __call__(self, crawl_date: Optional[Union[datetime, date]] = None) -> BasePa
 
         parsed_date = crawl_date.date() if isinstance(crawl_date, datetime) else crawl_date
         parser_cache: _ParserCache
-        _, parser_cache = next(itertools.dropwhile(lambda x: x[0] < parsed_date, self._parser_mapping.items()))
+        try:
+            _, parser_cache = next(itertools.dropwhile(lambda x: x[0] < parsed_date, self._parser_mapping.items()))
+        except StopIteration:
+            raise ValueError(
+                f"Couldn't find a fitting parser valid at date {parsed_date}. "
+                f"Last valid date is {self._get_latest_cache()().VALID_UNTIL}"
+            )
         return parser_cache()
 
     def __iter__(self) -> Iterator[Type[BaseParser]]: