Spaces:
Paused
Paused
File size: 2,367 Bytes
ab2ded1 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 |
#
# 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 tiktoken
def singleton(cls, *args, **kw):
instances = {}
def _singleton():
key = str(cls) + str(os.getpid())
if key not in instances:
instances[key] = cls(*args, **kw)
return instances[key]
return _singleton
def rmSpace(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"
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
except Exception as e:
pass
return m
def findMaxTm(fnm):
m = 0
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)
except Exception as e:
pass
return m
encoder = tiktoken.encoding_for_model("gpt-3.5-turbo")
def num_tokens_from_string(string: str) -> int:
"""Returns the number of tokens in a text string."""
try:
num_tokens = len(encoder.encode(string))
return num_tokens
except Exception as e:
pass
return 0
def truncate(string: str, max_len: int) -> int:
"""Returns truncated text if the length of text exceed max_len."""
return encoder.decode(encoder.encode(string)[:max_len])
|