WeKnora deployment source with the reviewed wiki identity, summary and recovery fixes

docreader/utils/__init__.py

@@ -0,0 +1,83 @@
+#
+#  Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+
+import os
+import re
+import logging
+
+# 配置日志
+logger = logging.getLogger(__name__)
+
+
+def singleton(cls, *args, **kw):
+    instances = {}
+
+    def _singleton():
+        key = str(cls) + str(os.getpid())
+        if key not in instances:
+            logger.info(f"Creating new singleton instance with key: {key}")
+            instances[key] = cls(*args, **kw)
+        else:
+            logger.info(f"Returning existing singleton instance with key: {key}")
+        return instances[key]
+
+    return _singleton
+
+
+def rmSpace(txt):
+    logger.info(f"Removing spaces from text of length: {len(txt)}")
+    txt = re.sub(r"([^a-z0-9.,\)>]) +([^ ])", r"\1\2", txt, flags=re.IGNORECASE)
+    return re.sub(r"([^ ]) +([^a-z0-9.,\(<])", r"\1\2", txt, flags=re.IGNORECASE)
+
+
+def findMaxDt(fnm):
+    m = "1970-01-01 00:00:00"
+    logger.info(f"Finding maximum date in file: {fnm}")
+    try:
+        with open(fnm, "r") as f:
+            while True:
+                l = f.readline()
+                if not l:
+                    break
+                l = l.strip("\n")
+                if l == "nan":
+                    continue
+                if l > m:
+                    m = l
+        logger.info(f"Maximum date found: {m}")
+    except Exception as e:
+        logger.error(f"Error reading file {fnm} for max date: {str(e)}")
+    return m
+
+
+def findMaxTm(fnm):
+    m = 0
+    logger.info(f"Finding maximum time in file: {fnm}")
+    try:
+        with open(fnm, "r") as f:
+            while True:
+                l = f.readline()
+                if not l:
+                    break
+                l = l.strip("\n")
+                if l == "nan":
+                    continue
+                if int(l) > m:
+                    m = int(l)
+        logger.info(f"Maximum time found: {m}")
+    except Exception as e:
+        logger.error(f"Error reading file {fnm} for max time: {str(e)}")
+    return m