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| # Google utils: https://cloud.google.com/storage/docs/reference/libraries | |
| import os | |
| import platform | |
| import subprocess | |
| import time | |
| from pathlib import Path | |
| import torch | |
| def gsutil_getsize(url=''): | |
| # gs://bucket/file size https://cloud.google.com/storage/docs/gsutil/commands/du | |
| s = subprocess.check_output('gsutil du %s' % url, shell=True).decode('utf-8') | |
| return eval(s.split(' ')[0]) if len(s) else 0 # bytes | |
| def attempt_download(weights): | |
| # Attempt to download pretrained weights if not found locally | |
| weights = weights.strip().replace("'", '') | |
| file = Path(weights).name | |
| msg = weights + ' missing, try downloading from https://github.com/WongKinYiu/yolor/releases/' | |
| models = ['yolor_p6.pt', 'yolor_w6.pt'] # available models | |
| if file in models and not os.path.isfile(weights): | |
| try: # GitHub | |
| url = 'https://github.com/WongKinYiu/yolor/releases/download/v1.0/' + file | |
| print('Downloading %s to %s...' % (url, weights)) | |
| torch.hub.download_url_to_file(url, weights) | |
| assert os.path.exists(weights) and os.path.getsize(weights) > 1E6 # check | |
| except Exception as e: # GCP | |
| print('ERROR: Download failure.') | |
| print('') | |
| def attempt_load(weights, map_location=None): | |
| # Loads an ensemble of models weights=[a,b,c] or a single model weights=[a] or weights=a | |
| model = Ensemble() | |
| for w in weights if isinstance(weights, list) else [weights]: | |
| attempt_download(w) | |
| model.append(torch.load(w, map_location=map_location)['model'].float().fuse().eval()) # load FP32 model | |
| if len(model) == 1: | |
| return model[-1] # return model | |
| else: | |
| print('Ensemble created with %s\n' % weights) | |
| for k in ['names', 'stride']: | |
| setattr(model, k, getattr(model[-1], k)) | |
| return model # return ensemble | |
| def gdrive_download(id='1n_oKgR81BJtqk75b00eAjdv03qVCQn2f', name='coco128.zip'): | |
| # Downloads a file from Google Drive. from utils.google_utils import *; gdrive_download() | |
| t = time.time() | |
| print('Downloading https://drive.google.com/uc?export=download&id=%s as %s... ' % (id, name), end='') | |
| os.remove(name) if os.path.exists(name) else None # remove existing | |
| os.remove('cookie') if os.path.exists('cookie') else None | |
| # Attempt file download | |
| out = "NUL" if platform.system() == "Windows" else "/dev/null" | |
| os.system('curl -c ./cookie -s -L "drive.google.com/uc?export=download&id=%s" > %s ' % (id, out)) | |
| if os.path.exists('cookie'): # large file | |
| s = 'curl -Lb ./cookie "drive.google.com/uc?export=download&confirm=%s&id=%s" -o %s' % (get_token(), id, name) | |
| else: # small file | |
| s = 'curl -s -L -o %s "drive.google.com/uc?export=download&id=%s"' % (name, id) | |
| r = os.system(s) # execute, capture return | |
| os.remove('cookie') if os.path.exists('cookie') else None | |
| # Error check | |
| if r != 0: | |
| os.remove(name) if os.path.exists(name) else None # remove partial | |
| print('Download error ') # raise Exception('Download error') | |
| return r | |
| # Unzip if archive | |
| if name.endswith('.zip'): | |
| print('unzipping... ', end='') | |
| os.system('unzip -q %s' % name) # unzip | |
| os.remove(name) # remove zip to free space | |
| print('Done (%.1fs)' % (time.time() - t)) | |
| return r | |
| def get_token(cookie="./cookie"): | |
| with open(cookie) as f: | |
| for line in f: | |
| if "download" in line: | |
| return line.split()[-1] | |
| return "" | |
| # def upload_blob(bucket_name, source_file_name, destination_blob_name): | |
| # # Uploads a file to a bucket | |
| # # https://cloud.google.com/storage/docs/uploading-objects#storage-upload-object-python | |
| # | |
| # storage_client = storage.Client() | |
| # bucket = storage_client.get_bucket(bucket_name) | |
| # blob = bucket.blob(destination_blob_name) | |
| # | |
| # blob.upload_from_filename(source_file_name) | |
| # | |
| # print('File {} uploaded to {}.'.format( | |
| # source_file_name, | |
| # destination_blob_name)) | |
| # | |
| # | |
| # def download_blob(bucket_name, source_blob_name, destination_file_name): | |
| # # Uploads a blob from a bucket | |
| # storage_client = storage.Client() | |
| # bucket = storage_client.get_bucket(bucket_name) | |
| # blob = bucket.blob(source_blob_name) | |
| # | |
| # blob.download_to_filename(destination_file_name) | |
| # | |
| # print('Blob {} downloaded to {}.'.format( | |
| # source_blob_name, | |
| # destination_file_name)) | |