Created
September 7, 2018 02:31
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import os | |
import aiohttp | |
import json | |
import base64 | |
import asyncio | |
import uvloop | |
START_ID = 1000 | |
END_ID = 1020 | |
async def fetch_all_images(): | |
async with aiohttp.ClientSession(connector=aiohttp.TCPConnector(verify_ssl=False)) as session: | |
sem = asyncio.Semaphore(10) | |
ids = [id for id in range(START_ID, END_ID)] | |
for current_id in ids: | |
async with sem: | |
await fetch_image_by_id(session, current_id) | |
async def fetch_image_by_id(session, item_id): | |
url = f'https://www.gstatic.com/prettyearth/assets/data/v2/{item_id}.json' | |
async with session.get(url) as response: | |
try: | |
json_obj = json.loads(await response.text()) | |
except json.decoder.JSONDecodeError as e: | |
print(f'Download failed - {item_id}.jpg') | |
return | |
image_str = json_obj['dataUri'].replace('data:image/jpeg;base64,', '') | |
image_data = base64.b64decode(image_str) | |
save_folder = dir_path = os.path.dirname( | |
os.path.realpath(__file__)) + '/google_earth_1/' | |
with open(f'{save_folder}{item_id}.jpg', 'wb') as f: | |
f.write(image_data) | |
print(f'Download complete - {item_id}.jpg') | |
def main(): | |
import time | |
start = time.time() | |
asyncio.set_event_loop_policy(uvloop.EventLoopPolicy()) | |
event_loop = asyncio.get_event_loop() | |
future = asyncio.ensure_future(fetch_all_images()) | |
results = event_loop.run_until_complete(future) | |
end = time.time() | |
print(end - start) | |
if __name__ == '__main__': | |
main() |
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