Expose parsing/evaluation code

Closes #11 (closed)

nerval/evaluate.py

@@ -310,10 +310,7 @@ def run(annotation: Path, prediction: Path, threshold: int, verbose: bool) -> di
     # Get string and list of labels per character
     def read_file(path: Path) -> List[str]:
         assert path.exists(), f"Error: Input file {path} does not exist"
-
-        with open(path, "r") as fd:
-            lines = list(filter(lambda x: x != "\n", fd.readlines()))
-        return lines
+        return path.read_text().strip().splitlines()
 
     logger.info(f"Parsing file @ {annotation}")
     annot = parse_bio(read_file(annotation))
@@ -321,7 +318,7 @@ def run(annotation: Path, prediction: Path, threshold: int, verbose: bool) -> di
     logger.info(f"Parsing file @ {prediction}")
     predict = parse_bio(read_file(prediction))
 
-    if not annot or not predict:
+    if not (annot and predict):
         raise Exception("No content found in annotation or prediction files.")
 
     scores = evaluate(annot, predict, threshold)