ragflow/api/utils/__init__.py

#
#  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 base64
import datetime
import hashlib
import os
import socket
import time
import uuid
import requests

import importlib

from .common import string_to_bytes


def current_timestamp():
    return int(time.time() * 1000)


def timestamp_to_date(timestamp, format_string="%Y-%m-%d %H:%M:%S"):
    if not timestamp:
        timestamp = time.time()
    timestamp = int(timestamp) / 1000
    time_array = time.localtime(timestamp)
    str_date = time.strftime(format_string, time_array)
    return str_date


def date_string_to_timestamp(time_str, format_string="%Y-%m-%d %H:%M:%S"):
    time_array = time.strptime(time_str, format_string)
    time_stamp = int(time.mktime(time_array) * 1000)
    return time_stamp


def get_lan_ip():
    if os.name != "nt":
        import fcntl
        import struct

        def get_interface_ip(ifname):
            s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
            return socket.inet_ntoa(
                fcntl.ioctl(s.fileno(), 0x8915, struct.pack('256s', string_to_bytes(ifname[:15])))[20:24])

    ip = socket.gethostbyname(socket.getfqdn())
    if ip.startswith("127.") and os.name != "nt":
        interfaces = [
            "bond1",
            "eth0",
            "eth1",
            "eth2",
            "wlan0",
            "wlan1",
            "wifi0",
            "ath0",
            "ath1",
            "ppp0",
        ]
        for ifname in interfaces:
            try:
                ip = get_interface_ip(ifname)
                break
            except IOError:
                pass
    return ip or ''


def from_dict_hook(in_dict: dict):
    if "type" in in_dict and "data" in in_dict:
        if in_dict["module"] is None:
            return in_dict["data"]
        else:
            return getattr(importlib.import_module(
                in_dict["module"]), in_dict["type"])(**in_dict["data"])
    else:
        return in_dict


def get_uuid():
    return uuid.uuid1().hex


def datetime_format(date_time: datetime.datetime) -> datetime.datetime:
    return datetime.datetime(date_time.year, date_time.month, date_time.day,
                             date_time.hour, date_time.minute, date_time.second)


def get_format_time() -> datetime.datetime:
    return datetime_format(datetime.datetime.now())


def str2date(date_time: str):
    return datetime.datetime.strptime(date_time, '%Y-%m-%d')


def elapsed2time(elapsed):
    seconds = elapsed / 1000
    minuter, second = divmod(seconds, 60)
    hour, minuter = divmod(minuter, 60)
    return '%02d:%02d:%02d' % (hour, minuter, second)


def download_img(url):
    if not url:
        return ""
    response = requests.get(url)
    return "data:" + \
        response.headers.get('Content-Type', 'image/jpg') + ";" + \
        "base64," + base64.b64encode(response.content).decode("utf-8")


def delta_seconds(date_string: str):
    dt = datetime.datetime.strptime(date_string, "%Y-%m-%d %H:%M:%S")
    return (datetime.datetime.now() - dt).total_seconds()


def hash_str2int(line: str, mod: int = 10 ** 8) -> int:
    return int(hashlib.sha1(line.encode("utf-8")).hexdigest(), 16) % mod