cleaned up and added comments

ecoset.py

@@ -54,8 +54,10 @@ _URLS = {
     "codeocean": "s3://codeocean-datasets/0ab003f4-ff2d-4de3-b4f8-b6e349c0e5e5/ecoset.zip",
 }
 
+# Define the labels available for ecoset
 labels = ['cymbals', 'bison', 'lemonade', 'crib', 'chestnut', 'mosquito', 'aloe', 'extinguisher', 'onion', 'starfish', 'basket', 'jar', 'snail', 'mushroom', 'coffin', 'joystick', 'raspberry', 'gearshift', 'tyrannosaurus', 'stadium', 'telescope', 'blueberry', 'hippo', 'cannabis', 'hairbrush', 'river', 'artichoke', 'wallet', 'city', 'bee', 'rifle', 'boar', 'bib', 'envelope', 'silverfish', 'shower', 'curtain', 'pinwheel', 'guillotine', 'snowplow', 'hut', 'jukebox', 'gecko', 'marshmallow', 'lobster', 'flashlight', 'breadfruit', 'cow', 'spoon', 'blender', 'croissant', 'greenhouse', 'church', 'antenna', 'monkey', 'zucchini', 'snake', 'manatee', 'child', 'table', 'winterberry', 'sloth', 'cannon', 'baguette', 'persimmon', 'candelabra', 'necklace', 'flag', 'geyser', 'thermos', 'tweezers', 'chandelier', 'kebab', 'mailbox', 'steamroller', 'crayon', 'lawnmower', 'pomegranate', 'fire', 'violin', 'matchstick', 'train', 'hamster', 'bobsleigh', 'boat', 'bullet', 'forklift', 'clock', 'saltshaker', 'anteater', 'crowbar', 'lightbulb', 'pier', 'muffin', 'paintbrush', 'crawfish', 'bench', 'nectarine', 'eyedropper', 'backpack', 'goat', 'hotplate', 'fishnet', 'robot', 'rice', 'shovel', 'candle', 'blimp', 'bridge', 'mountain', 'coleslaw', 'stagecoach', 'waterfall', 'ladle', 'radiator', 'drain', 'tray', 'house', 'key', 'skunk', 'lake', 'earpiece', 'gazebo', 'blackberry', 'groundhog', 'paperclip', 'cookie', 'milk', 'rug', 'thermostat', 'milkshake', 'scoreboard', 'bean', 'giraffe', 'antelope', 'newsstand', 'camcorder', 'sawmill', 'balloon', 'ladder', 'videotape', 'microphone', 'coin', 'hay', 'moth', 'octopus', 'honeycomb', 'wrench', 'cane', 'bobcat', 'banner', 'newspaper', 'reef', 'worm', 'cucumber', 'beach', 'couch', 'streetlamp', 'rhino', 'ceiling', 'cupcake', 'hourglass', 'caterpillar', 'tamale', 'asparagus', 'flower', 'frog', 'dog', 'knife', 'lamp', 'walnut', 'grape', 'scone', 'peanut', 'ferret', 'kettle', 'elephant', 'oscilloscope', 'weasel', 'guava', 'gramophone', 'stove', 'bamboo', 'chicken', 'guacamole', 'toolbox', 'tractor', 'tiger', 'butterfly', 'coffeepot', 'bus', 'meteorite', 'fish', 'graveyard', 'blowtorch', 'grapefruit', 'cat', 'jellyfish', 'carousel', 'wheat', 'tadpole', 'kazoo', 'raccoon', 'typewriter', 'scissors', 'pothole', 'earring', 'drawers', 'cup', 'warthog', 'wall', 'lighthouse', 'burrito', 'cassette', 'nacho', 'sink', 'seashell', 'bed', 'noodles', 'woman', 'rabbit', 'fence', 'pistachio', 'pencil', 'hotdog', 'ball', 'ship', 'strawberry', 'pan', 'custard', 'dolphin', 'tent', 'bun', 'tortilla', 'tumbleweed', 'playground', 'scallion', 'anchor', 'hare', 'waterspout', 'dough', 'burner', 'kale', 'razor', 'chocolate', 'doughnut', 'squeegee', 'bandage', 'beaver', 'refrigerator', 'cork', 'anvil', 'microchip', 'banana', 'thumbtack', 'chair', 'sharpener', 'bird', 'castle', 'wand', 'doormat', 'celery', 'steak', 'ant', 'apple', 'cave', 'scaffolding', 'bell', 'towel', 'mantis', 'thimble', 'bowl', 'chess', 'pickle', 'lollypop', 'leek', 'barrel', 'dollhouse', 'tapioca', 'spareribs', 'fig', 'apricot', 'strongbox', 'brownie', 'beaker', 'manhole', 'piano', 'whale', 'hammer', 'dishrag', 'pecan', 'highlighter', 'pretzel', 'earwig', 'cogwheel', 'trashcan', 'syringe', 'turnip', 'pear', 'lettuce', 'hedgehog', 'guardrail', 'bubble', 'pineapple', 'burlap', 'moon', 'spider', 'fern', 'binoculars', 'gravel', 'plum', 'scorpion', 'cube', 'squirrel', 'book', 'crouton', 'bag', 'lantern', 'parsley', 'jaguar', 'thyme', 'oyster', 'kumquat', 'chinchilla', 'cherry', 'umbrella', 'bicycle', 'eggbeater', 'pig', 'kitchen', 'fondue', 'treadmill', 'casket', 'papaya', 'beetle', 'shredder', 'grasshopper', 'anthill', 'chili', 'bottle', 'calculator', 'gondola', 'pizza', 'compass', 'mop', 'hamburger', 'chipmunk', 'bagel', 'outhouse', 'pliers', 'wolf', 'matchbook', 'corn', 'salamander', 'lasagna', 'stethoscope', 'eggroll', 'avocado', 'eggplant', 'mouse', 'walrus', 'sprinkler', 'glass', 'cauldron', 'parsnip', 'canoe', 'pancake', 'koala', 'deer', 'chalk', 'urinal', 'toilet', 'cabbage', 'platypus', 'lizard', 'leopard', 'cake', 'hammock', 'defibrillator', 'sundial', 'beet', 'popcorn', 'spinach', 'cauliflower', 'canyon', 'spacecraft', 'teapot', 'tunnel', 'porcupine', 'jail', 'spearmint', 'dustpan', 'calipers', 'toast', 'drum', 'phone', 'wire', 'alligator', 'vase', 'motorcycle', 'toothpick', 'coconut', 'lion', 'turtle', 'cheetah', 'bugle', 'casino', 'fountain', 'pie', 'bread', 'meatball', 'windmill', 'gun', 'projector', 'chameleon', 'tomato', 'nutmeg', 'plate', 'bulldozer', 'camel', 'sphinx', 'mall', 'hanger', 'ukulele', 'wheelbarrow', 'ring', 'dildo', 'loudspeaker', 'odometer', 'ruler', 'mousetrap', 'breadbox', 'parachute', 'bolt', 'bracelet', 'library', 'otter', 'airplane', 'pea', 'tongs', 'cactus', 'knot', 'shrimp', 'computer', 'sheep', 'television', 'melon', 'kangaroo', 'helicopter', 'birdcage', 'pumpkin', 'dishwasher', 'crocodile', 'stairs', 'garlic', 'barnacle', 'crate', 'lime', 'axe', 'hairpin', 'egg', 'emerald', 'candy', 'stegosaurus', 'broom', 'mistletoe', 'submarine', 'fireworks', 'peach', 'ape', 'chalkboard', 'bumblebee', 'potato', 'battery', 'guitar', 'opossum', 'volcano', 'llama', 'ashtray', 'sieve', 'coliseum', 'cinnamon', 'moose', 'tree', 'donkey', 'wasp', 'corkscrew', 'gargoyle', 'taco', 'macadamia', 'camera', 'mandolin', 'kite', 'cranberry', 'thermometer', 'tofu', 'closet', 'hovercraft', 'escalator', 'horseshoe', 'wristwatch', 'lemon', 'sushi', 'rat', 'rainbow', 'pillow', 'radish', 'granola', 'okra', 'pastry', 'mango', 'dragonfly', 'flashbulb', 'chalice', 'acorn', 'birdhouse', 'gooseberry', 'locker', 'padlock', 'missile', 'clarinet', 'panda', 'iceberg', 'road', 'flea', 'hazelnut', 'cockroach', 'needle', 'omelet', 'desert', 'condom', 'graffiti', 'iguana', 'bucket', 'photocopier', 'blanket', 'microscope', 'horse', 'nest', 'screwdriver', 'toaster', 'car', 'doll', 'salsa', 'man', 'zebra', 'stapler', 'grate', 'truck', 'bear', 'carrot', 'auditorium', 'cashew', 'shield', 'crown', 'altar', 'pudding', 'cheese', 'rhubarb', 'broccoli', 'tower', 'cumin', 'elevator', 'wheelchair', 'flyswatter']
 
+# handle password entry
 _PWD_MSG = "\nIn order to use ecoset, please read the README and License agreement found under:\nhttps://codeocean.com/capsule/9570390\nand enter the mentioned password.\n\nPlease Enter Password:\n"
 def check_pass(pw):
     if base64.b64encode(pw.encode("ascii")) != (b"ZWNvc2V0X21zamtr"):
@@ -141,30 +143,23 @@ class Ecoset(datasets.GeneratorBasedBuilder):
             # download
             print('Using "fast" native OS unzipping. This will take about 15h on a typical Linux/Mac and 8h on a typical Windows Computer.')
             urlinfo = urlparse(source_url, allow_fragments=False)
+            # create destination path if not existing
             if not op.exists(target_dir):
                 os.makedirs(target_dir)
+            # download zip file if not existing  
             zip_path = op.join(target_dir, "ecoset.zip")
             if not op.exists(zip_path):
                 s3 = boto3.client(urlinfo.scheme, config=Config(signature_version=UNSIGNED))
                 s3.download_file(urlinfo.netloc, urlinfo.path[1:], zip_path)
-            # unzip
-            # Expand-Archive -LiteralPath <PathToZipFile> -DestinationPath <PathToDestination>
+            # unzip using platform-based subprocess
             if platform.system() in ("Linux", "Darwin"):
                 subprocess.call(["unzip", "-n", "-P", password.encode("ascii"), "-o", zip_path, "-d", target_dir], shell=False)
             else:
                 subprocess.call(["tar.exe", "-xf", zip_path, "-C", target_dir, "--passphrase", password], shell=False)
-                # tar.exe -xf ecoset_uncompressed.zip -C uncompressed --passphrase ecoset_msjkk
             
             
-        # take slow or very slow download depending on platform
+        # download and unzip using subprocess. S3 download was discontinued due to being extremely slow
         archives = dl_manager.download_custom(_URLS["codeocean"], subprocess_download)
-        # take slow or very slow download depending on platform
-        #if platform.system() in ("Linux", "Darwin"):
-        #    archives = dl_manager.download_custom(_URLS["codeocean"], subprocess_download)
-        #else:
-        #    archives = dl_manager.download_custom(_URLS["codeocean"], s3_zipfile_download)
-            
-        #archives = dl_manager.download(_URLS["codeocean"])
         print("Ecoset files are stored under: \n", archives)
             
         # create a dict containing all files