Update rvl_cdip_n_mp.py (#1)

- Update rvl_cdip_n_mp.py (0b013ca783225f45c9cc5cefd3edb47ae22e967b)


Co-authored-by: Jordy Van Landeghem <jordyvl@users.noreply.huggingface.co>

rvl_cdip_n_mp.py

@@ -52,8 +52,8 @@ _HOMEPAGE = "https://www.cs.cmu.edu/~aharley/rvl-cdip/"
 _LICENSE = "https://www.industrydocuments.ucsf.edu/help/copyright/"
 
 
-SOURCE = "bdpc/rvl_cdip_mp"
-_URL = f"https://huggingface.co/datasets/{SOURCE}/resolve/main/data.gz"
+SOURCE = "bdpc/rvl_cdip_n_mp"
+_URL = f"https://huggingface.co/datasets/{SOURCE}/resolve/main/data.tar.gz"
 _BACKOFF_folder = "/mnt/lerna/data/RVL-CDIP-NO/RVL-CDIP-N_pdf/data"
 
 _CLASSES = [
@@ -104,9 +104,7 @@ class RvlCdipNMp(datasets.GeneratorBasedBuilder):
         if isinstance(self.config.data_dir, str):
             folder = self.config.data_dir  # contains the folder structure at someone local disk
         else:
-            if not os.path.exists(_BACKOFF_folder):
-                raise ValueError("No data folder found. Please set data_dir or data_files.")
-            folder = _BACKOFF_folder  # my local path, others should set data_dir or data_files
+            folder = _URL if not os.path.exists(_BACKOFF_folder) else _BACKOFF_folder
         self.config.data_dir = folder
 
         return datasets.DatasetInfo(
@@ -133,26 +131,39 @@ class RvlCdipNMp(datasets.GeneratorBasedBuilder):
 
         return [datasets.SplitGenerator(name="test", gen_kwargs={"archive_path": data_files})]
 
-    def _generate_examples(self, archive_path):
+    def generate_example(self, path, file=None):
         labels = self.info.features["labels"]
-
         extensions = {".pdf", ".PDF"}
 
-        for i, path in tqdm(enumerate(Path(archive_path).glob("**/*")), desc=f"{archive_path}"):
-            if path.suffix in extensions:
-                try:
-                    if _MODE == "binary":
-                        images = open_pdf_binary(path)
-                        # batched_conversion(path)
-                    else:
-                        images = path
-
-                    a = dict(
-                        id=path.name,
-                        file=images,
-                        labels=labels.encode_example(path.parent.name.lower()),
-                    )
-                    yield path.name, a
-
-                except Exception as e:
-                    logger.warning(f"{e} failed to parse {i}")
+        path = Path(path)  # ensure path is a pathlib object
+        if path.suffix in extensions:
+            if file is None:
+                if _MODE == "binary":
+                    file = open_pdf_binary(path)
+                    # batched_conversion(path)
+                else:
+                    file = path
+
+            a = dict(
+                id=path.name,
+                file=file,
+                labels=labels.encode_example(path.parent.name.lower()),
+            )
+
+        return path.name, a
+
+    def _generate_examples(self, archive_path):
+        if self.config.data_dir.endswith(".tar.gz"):
+            iterator = archive_path
+        else:
+            iterator = Path(archive_path).glob("**/*")
+
+        for i, path in tqdm(enumerate(iterator), desc=f"{archive_path}"):
+            file = None
+            if isinstance(path, tuple):
+                path = path[0]
+                file = path[1]
+            try:
+                yield self.generate_example(path, file=file)
+            except Exception as e:
+                logger.warning(f"{e} failed to parse {path}")