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196 lines
8.5 KiB
196 lines
8.5 KiB
# Ultralytics YOLO 🚀, GPL-3.0 license
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import os
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import platform
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import shutil
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import sys
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import threading
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import time
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from pathlib import Path
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from random import random
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import requests
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from ultralytics.yolo.utils import (DEFAULT_CFG_DICT, ENVIRONMENT, LOGGER, RANK, SETTINGS, TryExcept, __version__,
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colorstr, emojis, get_git_origin_url, is_colab, is_git_dir, is_github_actions_ci,
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is_pip_package, is_pytest_running)
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from ultralytics.yolo.utils.checks import check_online
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PREFIX = colorstr('Ultralytics: ')
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HELP_MSG = 'If this issue persists please visit https://github.com/ultralytics/hub/issues for assistance.'
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HUB_API_ROOT = os.environ.get("ULTRALYTICS_HUB_API", "https://api.ultralytics.com")
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def check_dataset_disk_space(url='https://ultralytics.com/assets/coco128.zip', sf=2.0):
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# Check that url fits on disk with safety factor sf, i.e. require 2GB free if url size is 1GB with sf=2.0
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gib = 1 << 30 # bytes per GiB
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data = int(requests.head(url).headers['Content-Length']) / gib # dataset size (GB)
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total, used, free = (x / gib for x in shutil.disk_usage("/")) # bytes
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LOGGER.info(f'{PREFIX}{data:.3f} GB dataset, {free:.1f}/{total:.1f} GB free disk space')
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if data * sf < free:
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return True # sufficient space
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LOGGER.warning(f'{PREFIX}WARNING: Insufficient free disk space {free:.1f} GB < {data * sf:.3f} GB required, '
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f'training cancelled ❌. Please free {data * sf - free:.1f} GB additional disk space and try again.')
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return False # insufficient space
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def request_with_credentials(url: str) -> any:
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""" Make an ajax request with cookies attached """
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if not is_colab():
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raise OSError('request_with_credentials() must run in a Colab environment')
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from google.colab import output # noqa
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from IPython import display # noqa
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display.display(
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display.Javascript("""
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window._hub_tmp = new Promise((resolve, reject) => {
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const timeout = setTimeout(() => reject("Failed authenticating existing browser session"), 5000)
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fetch("%s", {
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method: 'POST',
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credentials: 'include'
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})
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.then((response) => resolve(response.json()))
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.then((json) => {
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clearTimeout(timeout);
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}).catch((err) => {
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clearTimeout(timeout);
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reject(err);
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});
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});
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""" % url))
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return output.eval_js("_hub_tmp")
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# Deprecated TODO: eliminate this function?
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def split_key(key=''):
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"""
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Verify and split a 'api_key[sep]model_id' string, sep is one of '.' or '_'
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Args:
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key (str): The model key to split. If not provided, the user will be prompted to enter it.
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Returns:
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Tuple[str, str]: A tuple containing the API key and model ID.
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"""
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import getpass
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error_string = emojis(f'{PREFIX}Invalid API key ⚠️\n') # error string
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if not key:
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key = getpass.getpass('Enter model key: ')
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sep = '_' if '_' in key else '.' if '.' in key else None # separator
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assert sep, error_string
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api_key, model_id = key.split(sep)
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assert len(api_key) and len(model_id), error_string
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return api_key, model_id
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def smart_request(*args, retry=3, timeout=30, thread=True, code=-1, method="post", verbose=True, **kwargs):
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"""
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Makes an HTTP request using the 'requests' library, with exponential backoff retries up to a specified timeout.
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Args:
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*args: Positional arguments to be passed to the requests function specified in method.
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retry (int, optional): Number of retries to attempt before giving up. Default is 3.
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timeout (int, optional): Timeout in seconds after which the function will give up retrying. Default is 30.
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thread (bool, optional): Whether to execute the request in a separate daemon thread. Default is True.
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code (int, optional): An identifier for the request, used for logging purposes. Default is -1.
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method (str, optional): The HTTP method to use for the request. Choices are 'post' and 'get'. Default is 'post'.
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verbose (bool, optional): A flag to determine whether to print out to console or not. Default is True.
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**kwargs: Keyword arguments to be passed to the requests function specified in method.
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Returns:
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requests.Response: The HTTP response object. If the request is executed in a separate thread, returns None.
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"""
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retry_codes = (408, 500) # retry only these codes
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@TryExcept(verbose=verbose)
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def func(*func_args, **func_kwargs):
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r = None # response
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t0 = time.time() # initial time for timer
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for i in range(retry + 1):
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if (time.time() - t0) > timeout:
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break
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if method == 'post':
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r = requests.post(*func_args, **func_kwargs) # i.e. post(url, data, json, files)
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elif method == 'get':
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r = requests.get(*func_args, **func_kwargs) # i.e. get(url, data, json, files)
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if r.status_code == 200:
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break
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try:
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m = r.json().get('message', 'No JSON message.')
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except AttributeError:
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m = 'Unable to read JSON.'
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if i == 0:
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if r.status_code in retry_codes:
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m += f' Retrying {retry}x for {timeout}s.' if retry else ''
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elif r.status_code == 429: # rate limit
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h = r.headers # response headers
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m = f"Rate limit reached ({h['X-RateLimit-Remaining']}/{h['X-RateLimit-Limit']}). " \
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f"Please retry after {h['Retry-After']}s."
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if verbose:
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LOGGER.warning(f"{PREFIX}{m} {HELP_MSG} ({r.status_code} #{code})")
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if r.status_code not in retry_codes:
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return r
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time.sleep(2 ** i) # exponential standoff
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return r
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if thread:
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threading.Thread(target=func, args=args, kwargs=kwargs, daemon=True).start()
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else:
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return func(*args, **kwargs)
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class Traces:
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def __init__(self):
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"""
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Initialize Traces for error tracking and reporting if tests are not currently running.
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"""
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self.rate_limit = 3.0 # rate limit (seconds)
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self.t = 0.0 # rate limit timer (seconds)
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self.metadata = {
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"sys_argv_name": Path(sys.argv[0]).name,
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"install": 'git' if is_git_dir() else 'pip' if is_pip_package() else 'other',
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"python": platform.python_version(),
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"release": __version__,
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"environment": ENVIRONMENT}
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self.enabled = SETTINGS['sync'] and \
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RANK in {-1, 0} and \
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check_online() and \
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not is_pytest_running() and \
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not is_github_actions_ci() and \
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(is_pip_package() or get_git_origin_url() == "https://github.com/ultralytics/ultralytics.git")
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def __call__(self, cfg, all_keys=False, traces_sample_rate=1.0):
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"""
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Sync traces data if enabled in the global settings
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Args:
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cfg (IterableSimpleNamespace): Configuration for the task and mode.
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all_keys (bool): Sync all items, not just non-default values.
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traces_sample_rate (float): Fraction of traces captured from 0.0 to 1.0
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"""
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t = time.time() # current time
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if self.enabled and random() < traces_sample_rate and (t - self.t) > self.rate_limit:
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self.t = t # reset rate limit timer
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cfg = vars(cfg) # convert type from IterableSimpleNamespace to dict
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if not all_keys: # filter cfg
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include_keys = {'task', 'mode'} # always include
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cfg = {
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k: (v.split(os.sep)[-1] if isinstance(v, str) and os.sep in v else v)
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for k, v in cfg.items() if v != DEFAULT_CFG_DICT.get(k, None) or k in include_keys}
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trace = {'uuid': SETTINGS['uuid'], 'cfg': cfg, 'metadata': self.metadata}
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# Send a request to the HUB API to sync analytics
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smart_request(f'{HUB_API_ROOT}/v1/usage/anonymous',
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json=trace,
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headers=None,
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code=3,
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retry=0,
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timeout=1.0,
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verbose=False)
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# Run below code on hub/utils init -------------------------------------------------------------------------------------
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traces = Traces()
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