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| import logging | |
| import logging.handlers | |
| import os | |
| import sys | |
| import requests | |
| from constants import LOGDIR | |
| server_error_msg = '**NETWORK ERROR DUE TO HIGH TRAFFIC. PLEASE REGENERATE OR REFRESH THIS PAGE.**' | |
| moderation_msg = 'YOUR INPUT VIOLATES OUR CONTENT MODERATION GUIDELINES. PLEASE TRY AGAIN.' | |
| handler = None | |
| def build_logger(logger_name, logger_filename): | |
| global handler | |
| formatter = logging.Formatter( | |
| fmt='%(asctime)s | %(levelname)s | %(name)s | %(message)s', | |
| datefmt='%Y-%m-%d %H:%M:%S', | |
| ) | |
| # Set the format of root handlers | |
| if not logging.getLogger().handlers: | |
| logging.basicConfig(level=logging.INFO) | |
| logging.getLogger().handlers[0].setFormatter(formatter) | |
| # Redirect stdout and stderr to loggers | |
| stdout_logger = logging.getLogger('stdout') | |
| stdout_logger.setLevel(logging.INFO) | |
| sl = StreamToLogger(stdout_logger, logging.INFO) | |
| sys.stdout = sl | |
| stderr_logger = logging.getLogger('stderr') | |
| stderr_logger.setLevel(logging.ERROR) | |
| sl = StreamToLogger(stderr_logger, logging.ERROR) | |
| sys.stderr = sl | |
| # Get logger | |
| logger = logging.getLogger(logger_name) | |
| logger.setLevel(logging.INFO) | |
| # Add a file handler for all loggers | |
| if handler is None: | |
| os.makedirs(LOGDIR, exist_ok=True) | |
| filename = os.path.join(LOGDIR, logger_filename) | |
| handler = logging.handlers.TimedRotatingFileHandler( | |
| filename, when='D', utc=True) | |
| handler.setFormatter(formatter) | |
| for name, item in logging.root.manager.loggerDict.items(): | |
| if isinstance(item, logging.Logger): | |
| item.addHandler(handler) | |
| return logger | |
| class StreamToLogger(object): | |
| """ | |
| Fake file-like stream object that redirects writes to a logger instance. | |
| """ | |
| def __init__(self, logger, log_level=logging.INFO): | |
| self.terminal = sys.stdout | |
| self.logger = logger | |
| self.log_level = log_level | |
| self.linebuf = '' | |
| def __getattr__(self, attr): | |
| return getattr(self.terminal, attr) | |
| def write(self, buf): | |
| temp_linebuf = self.linebuf + buf | |
| self.linebuf = '' | |
| for line in temp_linebuf.splitlines(True): | |
| # From the io.TextIOWrapper docs: | |
| # On output, if newline is None, any '\n' characters written | |
| # are translated to the system default line separator. | |
| # By default sys.stdout.write() expects '\n' newlines and then | |
| # translates them so this is still cross platform. | |
| if line[-1] == '\n': | |
| self.logger.log(self.log_level, line.rstrip()) | |
| else: | |
| self.linebuf += line | |
| def flush(self): | |
| if self.linebuf != '': | |
| self.logger.log(self.log_level, self.linebuf.rstrip()) | |
| self.linebuf = '' | |
| def disable_torch_init(): | |
| """ | |
| Disable the redundant torch default initialization to accelerate model creation. | |
| """ | |
| import torch | |
| setattr(torch.nn.Linear, 'reset_parameters', lambda self: None) | |
| setattr(torch.nn.LayerNorm, 'reset_parameters', lambda self: None) | |
| def violates_moderation(text): | |
| """ | |
| Check whether the text violates OpenAI moderation API. | |
| """ | |
| url = 'https://api.openai.com/v1/moderations' | |
| headers = {'Content-Type': 'application/json', | |
| 'Authorization': 'Bearer ' + os.environ['OPENAI_API_KEY']} | |
| text = text.replace('\n', '') | |
| data = '{' + '"input": ' + f'"{text}"' + '}' | |
| data = data.encode('utf-8') | |
| try: | |
| ret = requests.post(url, headers=headers, data=data, timeout=5) | |
| flagged = ret.json()['results'][0]['flagged'] | |
| except requests.exceptions.RequestException as e: | |
| flagged = False | |
| except KeyError as e: | |
| flagged = False | |
| return flagged | |
| def pretty_print_semaphore(semaphore): | |
| if semaphore is None: | |
| return 'None' | |
| return f'Semaphore(value={semaphore._value}, locked={semaphore.locked()})' | |