243 lines
9.0 KiB
Python
243 lines
9.0 KiB
Python
import requests
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from requests.adapters import HTTPAdapter
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from requests.adapters import Retry
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import json
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import os
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import concurrent.futures
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import argparse
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from datetime import datetime
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import writer
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from model import PictureType
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import sys
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session = requests.Session()
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retries_strategies = Retry(
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total=5,
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backoff_factor=1,
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status_forcelist=[429, 502, 503, 504],
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)
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session.mount("https://", HTTPAdapter(max_retries=retries_strategies))
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def parse_args(argv=None):
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parser = argparse.ArgumentParser()
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parser.add_argument("access_token", type=str, help="Your mapillary access token")
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parser.add_argument(
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"--sequence_ids",
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type=str,
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nargs="*",
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help="The mapillary sequence id(s) to download",
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)
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parser.add_argument(
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"--image_ids",
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type=int,
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nargs="*",
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help="The mapillary image id(s) to get their sequence id(s)",
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)
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parser.add_argument(
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"--destination",
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type=str,
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default="data",
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help="Path destination for the images",
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)
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parser.add_argument(
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"--image_limit",
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type=int,
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default=None,
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help="How many images you want to download",
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)
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parser.add_argument(
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"--overwrite",
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default=False,
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action="store_true",
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help="overwrite existing images",
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)
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parser.add_argument("-v", "--version", action="version", version="release 1.6")
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args = parser.parse_args(argv)
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if args.sequence_ids is None and args.image_ids is None:
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parser.error("Please enter at least one sequence id or image id")
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return args
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def download(url, filepath, metadata=None):
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# print(asizeof.asizeof(image)/1024, "MB")
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with open(str(filepath), "wb") as f:
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r = session.get(url, stream=True, timeout=6)
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try:
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image = write_exif(r.content, metadata)
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except Exception as e:
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print(f"FAILED to write exif data for {filepath}. Error: {e}")
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f.write(image)
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print("{} downloaded {}".format(filepath, r))
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def get_single_image_data(image_id, mly_header):
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req_url = "https://graph.mapillary.com/{}?fields=creator,thumb_original_url,altitude,make,model,camera_type,captured_at,compass_angle,geometry,exif_orientation,sequence".format(
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image_id
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)
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r = session.get(req_url, headers=mly_header)
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data = r.json()
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print(data)
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return data
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def get_image_data_from_sequences(sequences_id, mly_header):
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for i, sequence_id in enumerate(sequences_id):
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url = "https://graph.mapillary.com/image_ids?sequence_id={}".format(sequence_id)
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r = requests.get(url, headers=header)
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data = r.json()
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image_ids = data["data"]
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total_image = len(image_ids)
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print(
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"{} images in sequence {} of {} - id : {}".format(
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total_image, i + 1, len(sequences_id), sequence_id
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)
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)
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print("getting images data")
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for x in range(0, total_image):
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image_id = image_ids[x]["id"]
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image_data = get_single_image_data(image_id, mly_header)
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image_data["sequence_id"] = sequence_id
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yield image_data
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def get_image_data_from_sequences__future(sequences_id, mly_header):
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for i, sequence_id in enumerate(sequences_id):
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url = "https://graph.mapillary.com/image_ids?sequence_id={}".format(sequence_id)
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r = requests.get(url, headers=header)
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data = r.json()
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if data.get("data") == []:
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print(
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"Empty or wrong sequence {} of {} - id : {}".format(
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i + 1, len(sequences_id), sequence_id
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)
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)
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continue
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image_ids = data["data"]
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total_image = len(image_ids)
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print(
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"{} images in sequence {} of {} - id : {}".format(
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total_image, i + 1, len(sequences_id), sequence_id
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)
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)
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print("getting images data")
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with concurrent.futures.ThreadPoolExecutor(max_workers=10) as executor:
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future_to_url = {}
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for x in range(0, total_image):
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image_id = image_ids[x]["id"]
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future_to_url[
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executor.submit(get_single_image_data, image_id, mly_header)
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] = image_id
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for future in concurrent.futures.as_completed(future_to_url):
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url = future_to_url[future]
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image_data = future.result()
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image_data["sequence_id"] = sequence_id
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# print(image_data)
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yield image_data
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def write_exif(picture, img_metadata):
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"""
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Write exif metadata
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"""
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# {'thumb_original_url': 'https://scontent-cdg4-2.xx.fbcdn.net/m1/v/t6/An9Zy2SrH9vXJIF01QkBODyUbg7XSKfwL48UwHyvihSwvECGjVbG0vSw9uhxe2-Dq-k2eUcigb83buO6zo-7eVbykfp5aQIe1kgd-MJr66nU_H-o_mwBLZXgVbj5I_5WX-C9c6FxJruHkV962F228O0?ccb=10-5&oh=00_AfDOKD869DxL-4ZNCbVo8Rn29vsc0JyjMAU2ctx4aAFVMQ&oe=65256C25&_nc_sid=201bca',
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# 'captured_at': 1603459736644, 'geometry': {'type': 'Point', 'coordinates': [2.5174596904057, 48.777089857534]}, 'id': '485924785946693'}
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with writer.Writer(picture) as image:
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image.add_artist(img_metadata)
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image.add_camera_make(img_metadata)
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image.add_camera_model(img_metadata)
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image.add_datetimeoriginal(img_metadata)
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image.add_lat_lon(img_metadata)
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image.add_altitude(img_metadata)
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image.add_direction(img_metadata)
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image.add_img_projection(img_metadata)
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image.apply()
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updated_image = image.get_Bytes()
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return updated_image
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if __name__ == "__main__":
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args = parse_args()
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sequence_ids = args.sequence_ids if args.sequence_ids is not None else []
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images_ids = args.image_ids
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access_token = args.access_token
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images_data = []
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header = {"Authorization": "OAuth {}".format(access_token)}
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if images_ids:
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for image_id in images_ids:
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image_data = get_single_image_data(image_id, header)
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if "error" in image_data:
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print("data : ", image_data)
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print(
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"something wrong happened ! Please check your image id and/or your connection"
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)
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sys.exit()
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else:
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sequence_ids.append(image_data.get("sequence"))
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# for i,image_data in enumerate(get_image_data_from_sequences(sequence_ids, header)):
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for i, image_data in enumerate(
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get_image_data_from_sequences__future(sequence_ids, header)
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):
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if args.image_limit is not None and i >= args.image_limit:
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break
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if "error" in image_data:
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print("data : ", image_data)
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print(
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"something wrong happened ! Please check your token and/or your connection"
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)
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sys.exit()
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images_data.append(image_data)
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# sys.exit()
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print("downloading.. this process will take a while. please wait")
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with concurrent.futures.ThreadPoolExecutor(max_workers=4) as executor:
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for i, image_data in enumerate(images_data):
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# create a folder for each unique sequence ID to group images by sequence
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path_destination = os.path.join(args.destination, image_data["sequence_id"])
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if not os.path.exists(path_destination):
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os.makedirs(path_destination)
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date_time_image_filename = (
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datetime.utcfromtimestamp(
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int(image_data["captured_at"]) / 1000
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).strftime("%Y-%m-%d_%HH%Mmn%Ss%f")[:-3]
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+ ".jpg"
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)
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path = os.path.join(path_destination, date_time_image_filename)
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img_metadata = writer.PictureMetadata(
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capture_time=datetime.utcfromtimestamp(
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int(image_data["captured_at"]) / 1000
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),
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artist=image_data["creator"]["username"],
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camera_make=image_data["make"],
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camera_model=image_data["model"],
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longitude=image_data["geometry"]["coordinates"][0],
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latitude=image_data["geometry"]["coordinates"][1],
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picture_type=(
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PictureType("equirectangular")
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if image_data.get("camera_type") == "spherical"
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or image_data.get("camera_type") == "equirectangular"
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else PictureType("flat")
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),
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direction=image_data["compass_angle"],
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altitude=image_data["altitude"],
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)
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# print("metadata: ", img_metadata)
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# print("path: ", image_data)
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image_exists = os.path.exists(path)
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if not args.overwrite and image_exists:
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print("{} already exists. Skipping ".format(path))
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continue
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executor.submit(
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download,
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url=image_data["thumb_original_url"],
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filepath=path,
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metadata=img_metadata,
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)
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# download(url=image_data['thumb_original_url'], filepath=path, metadata=img_metadata)
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