commit code

.gitignore

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+data/*

README.md

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 # mapillary_download
-simple code to download images in a mapillary sequence
+Simple code to download images in a mapillary sequence 
+
+## How to use
+change the access token with your access token and the sequence id with the id of the sequence you want to dowload
+```Shell
+python download.py --access_token "MLY|xxxx|xxxxxxx" --sequence_id xxxxxxxxxxx
+```

download.py

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+import requests
+import json
+import os
+import asyncio
+import argparse
+
+def parse_args(argv =None):
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--sequence_id', type=str, help='The mapillary sequence id to download')
+    parser.add_argument('--access_token', type=str, help='Your mapillary access token')
+
+    global args
+    args = parser.parse_args(argv)
+
+def background(f):
+    def wrapped(*args, **kwargs):
+        return asyncio.get_event_loop().run_in_executor(None, f, *args, **kwargs)
+    return wrapped
+
+@background
+def download(url, fn):
+  r = requests.get(url, stream=True)
+  with open(str(fn), "wb") as f:
+    f.write(r.content)
+
+if __name__ == '__main__':
+    parse_args()
+
+    if args.sequence_id == None:
+        print('please provide the sequence_id')
+        exit()
+
+    if args.access_token == None:
+        print('please provide the access_token')
+        exit()
+
+    sequence_id= args.sequence_id
+    access_token = args.access_token
+
+    # create the data folder
+    if not os.path.exists('data'):
+            os.makedirs('data')
+
+    # create a folder for each unique sequence ID to group images by sequence
+    if not os.path.exists('data/{}'.format(sequence_id)):
+        os.makedirs('data/{}'.format(sequence_id))
+
+    # header = {'Authorization' : 'OAuth {}'.format(access_token)}
+    # url = 'https://graph.mapillary.com/image_ids?sequence_id={}'.format(sequence_id)
+    # r = requests.get(url, headers=header)
+    # data = r.json()
+
+    # image_ids = data['data']
+    # img_num = len(image_ids)
+    # urls = []
+    # print(img_num)
+    # print('getting urls')
+    # for x in range(0, img_num):
+    #     image_id = image_ids[x]['id']
+    #     req_url = 'https://graph.mapillary.com/{}?fields=thumb_2048_url'.format(image_id)
+    #     r = requests.get(req_url, headers=header)
+    #     data = r.json()
+    #     print('getting url {} of {}'.format(x, img_num))
+    #     urls.append(data['thumb_2048_url'])
+
+    # print('downloading.. this process will take a while. please wait')
+    # for i,url in enumerate(urls):
+    #     path = 'data/{}/{}.jpg'.format(sequence_id, i)
+    #     download(url,path)