mirror of
https://github.com/Tencent/WeKnora.git
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84 lines
2.5 KiB
Python
84 lines
2.5 KiB
Python
#
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# Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import os
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import re
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import logging
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# 配置日志
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logger = logging.getLogger(__name__)
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def singleton(cls, *args, **kw):
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instances = {}
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def _singleton():
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key = str(cls) + str(os.getpid())
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if key not in instances:
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logger.info(f"Creating new singleton instance with key: {key}")
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instances[key] = cls(*args, **kw)
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else:
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logger.info(f"Returning existing singleton instance with key: {key}")
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return instances[key]
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return _singleton
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def rmSpace(txt):
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logger.info(f"Removing spaces from text of length: {len(txt)}")
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txt = re.sub(r"([^a-z0-9.,\)>]) +([^ ])", r"\1\2", txt, flags=re.IGNORECASE)
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return re.sub(r"([^ ]) +([^a-z0-9.,\(<])", r"\1\2", txt, flags=re.IGNORECASE)
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def findMaxDt(fnm):
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m = "1970-01-01 00:00:00"
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logger.info(f"Finding maximum date in file: {fnm}")
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try:
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with open(fnm, "r") as f:
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while True:
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l = f.readline()
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if not l:
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break
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l = l.strip("\n")
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if l == "nan":
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continue
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if l > m:
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m = l
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logger.info(f"Maximum date found: {m}")
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except Exception as e:
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logger.error(f"Error reading file {fnm} for max date: {str(e)}")
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return m
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def findMaxTm(fnm):
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m = 0
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logger.info(f"Finding maximum time in file: {fnm}")
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try:
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with open(fnm, "r") as f:
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while True:
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l = f.readline()
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if not l:
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break
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l = l.strip("\n")
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if l == "nan":
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continue
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if int(l) > m:
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m = int(l)
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logger.info(f"Maximum time found: {m}")
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except Exception as e:
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logger.error(f"Error reading file {fnm} for max time: {str(e)}")
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return m
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