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try downlaoding a few times #77

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23 changes: 19 additions & 4 deletions examples/volume_renderer.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import time
import taichi as ti
import argparse
import numpy as np
Expand Down Expand Up @@ -181,10 +182,24 @@ def main():

if not os.path.exists('bunny_128.bin'):
url = 'https://github.com/yuanming-hu/taichi_assets/releases/download/llvm8/bunny_128.bin'
print(':: Downloading {}'.format(url))
report = lambda bn, bs, size: print(':: Downloading {:.2f}/{:.2f} MiB ...'.format(bn * bs / 1e6, size / 1e6), end='\r')
urllib.request.urlretrieve(url, 'bunny_128.bin', reporthook=report)
print(':: Download finished' + ' ' * 10)
attempt = 0
while True:
try:
print(':: Downloading {}'.format(url))
report = lambda bn, bs, size: print(':: Downloading {:.2f}/{:.2f} MiB ...'.format(bn * bs / 1e6, size / 1e6), end='\r')
urllib.request.urlretrieve(url, 'bunny_128.bin', reporthook=report)
print(':: Download finished' + ' ' * 10)
break
except Exception as e:
print(":: download failed")
if attempt <= 5:
print(':: retrying')
time.sleep(1)
else:
print(':: already tried 5 times, exit')
raise e
attempt += 1


print(':: Loading bunny_128 ...')
volume = np.fromfile("bunny_128.bin", dtype=np.float32).reshape(
Expand Down