Download script for CarlaGear

README.md

@@ -54,6 +54,9 @@ the ego-vehicle has a single gear.
 This problem is discussed in [this issue](https://github.com/carla-simulator/carla/issues/269).
 
 The server can be dowloaded with [this link](https://drive.google.com/open?id=1X52PXqT0phEi5WEWAISAQYZs-Ivx4VoE).
+Alternatively, you can download it by running:
+
+    python3 tools/download_carla_gear.py
 
 It is possible to collect data on a regular CARLA version,
 however the controller will be less smooth.

tools/download_carla_gear.py

@@ -0,0 +1,61 @@
+import requests
+import os
+import sys
+
+from zipfile import ZipFile 
+
+
+def download_file_from_google_drive(id, destination):
+    URL = "https://docs.google.com/uc?export=download"
+    session = requests.Session()
+    response = session.get(URL, params={'id': id}, stream=True)
+    token = get_confirm_token(response)
+
+    if token:
+        params = {'id': id, 'confirm': token}
+        response = session.get(URL, params=params, stream=True)
+
+    save_response_content(response, destination)    
+
+
+def get_confirm_token(response):
+    for key, value in response.cookies.items():
+        if key.startswith('download_warning'):
+            return value
+
+    return None
+
+
+def save_response_content(response, destination):
+    CHUNK_SIZE = 32768
+    total_downloaded = 0
+    with open(destination, "wb") as f:
+        for chunk in response.iter_content(CHUNK_SIZE):
+            if chunk:  # filter out keep-alive new chunks
+                total_downloaded += CHUNK_SIZE
+                sys.stdout.write("Downloaded " + str(total_downloaded))
+                sys.stdout.flush()
+                sys.stdout.write("\r")
+                f.write(chunk)
+
+
+if __name__ == "__main__":
+    # Download the datasets
+    file_id = '1X52PXqT0phEi5WEWAISAQYZs-Ivx4VoE'
+    destination_pack = 'CarlaGear.zip'
+
+    print("Downloading Carla Server (1.6GB total)")
+    download_file_from_google_drive(file_id, destination_pack)
+    destination_final = os.path.join("./CarlaServer/",)
+    if not os.path.exists(destination_final):
+        os.makedirs(destination_final)
+
+    print("Unpacking the dataset")
+
+    with ZipFile(destination_pack, 'r') as zip: 
+        # extracting all the files 
+        print('Extracting all the files now...') 
+        zip.extractall(destination_final) 
+        print('Done!') 
+
+    os.remove("CarlaGear.zip")