PagerMaid-Modify/pagermaid/modules/external.py
2020-02-20 21:56:11 +08:00

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""" PagerMaid features that uses external HTTP APIs other than Telegram. """
from googletrans import Translator, LANGUAGES
from os import remove
from urllib import request, parse
from math import ceil
from time import sleep
from threading import Thread
from bs4 import BeautifulSoup
from gtts import gTTS
from re import compile as regex_compile
from re import search, sub
from collections import deque
from pagermaid import log
from pagermaid.listener import listener, config
from pagermaid.utils import clear_emojis, attach_log, fetch_youtube_audio
@listener(outgoing=True, command="translate",
description="通过Google翻译将目标消息翻译成指定的语言。",
parameters="<language>")
async def translate(context):
""" PagerMaid universal translator. """
translator = Translator()
reply = await context.get_reply_message()
message = context.arguments
lang = config['application_language']
if message:
pass
elif reply:
message = reply.text
else:
await context.edit("出错了呜呜呜 ~ 无效的参数。")
return
try:
await context.edit("生成翻译中 . . .")
result = translator.translate(clear_emojis(message), dest=lang)
except ValueError:
await context.edit("出错了呜呜呜 ~ 找不到目标语言,请更正配置文件中的错误。")
return
source_lang = LANGUAGES[f'{result.src.lower()}']
trans_lang = LANGUAGES[f'{result.dest.lower()}']
result = f"**文本翻译** 源语言 {source_lang.title()}:\n{result.text}"
if len(result) > 4096:
await context.edit("出错了呜呜呜 ~ 输出超出 TG 限制,正在附加文件。")
await attach_log(result, context.chat_id, "translation.txt", context.id)
return
await context.edit(result)
if len(result) <= 4096:
await log(f"把 `{message}` 从 {source_lang} 翻译到了 {trans_lang}")
else:
await log(f"把一条消息从 {source_lang} 翻译到了 {trans_lang}.")
@listener(outgoing=True, command="tts",
description="通过 Google文本到语音 基于字符串生成语音消息。",
parameters="<string>")
async def tts(context):
""" Send TTS stuff as voice message. """
reply = await context.get_reply_message()
message = context.arguments
lang = config['application_language']
if message:
pass
elif reply:
message = reply.text
else:
await context.edit("出错了呜呜呜 ~ 无效的参数。")
return
try:
await context.edit("生成语音中 . . .")
gTTS(message, lang)
except AssertionError:
await context.edit("出错了呜呜呜 ~ 无效的参数。")
return
except ValueError:
await context.edit('出错了呜呜呜 ~ 找不到目标语言,请更正配置文件中的错误。')
return
except RuntimeError:
await context.edit('出错了呜呜呜 ~ 加载语言数组时出错。')
return
google_tts = gTTS(message, lang)
google_tts.save("vocals.mp3")
with open("vocals.mp3", "rb") as audio:
line_list = list(audio)
line_count = len(line_list)
if line_count == 1:
google_tts = gTTS(message, lang)
google_tts.save("vocals.mp3")
with open("vocals.mp3", "r"):
await context.client.send_file(context.chat_id, "vocals.mp3", voice_note=True)
remove("vocals.mp3")
if len(message) <= 4096:
await log(f"生成了一条文本到语音的音频消息 `{message}`.")
else:
await log("生成了一条文本到语音的音频消息。")
await context.delete()
@listener(outgoing=True, command="google",
description="使用 Google 查询",
parameters="<query>")
async def google(context):
""" Searches Google for a string. """
if context.arguments == "":
await context.edit("出错了呜呜呜 ~ 无效的参数。")
return
query = context.arguments
await context.edit("正在拉取结果 . . .")
search_results = GoogleSearch().search(query=query)
results = ""
count = 0
for result in search_results.results:
if count == int(config['result_length']):
break
count += 1
title = result.title
link = result.url
desc = result.text
results += f"\n[{title}]({link}) \n`{desc}`\n"
await context.edit(f"**Google** |`{query}`| 🎙 🔍 \n"
f"{results}",
link_preview=False)
await log(f"在Google搜索引擎上查询了 `{query}`")
@listener(outgoing=True, command="fetchaudio",
description="从多个平台获取音频文件。",
parameters="<url>,<string>")
async def fetchaudio(context):
if context.arguments:
if ',' in context.arguments:
url, string_2 = context.arguments.split(',', 1)
else:
url = context.arguments
string_2 = "#audio "
else:
await context.edit("出错了呜呜呜 ~ 错误的语法。")
return
""" Fetches audio from provided URL. """
reply = await context.get_reply_message()
reply_id = None
await context.edit("拉取音频中 . . .")
if reply:
reply_id = reply.id
if url is None:
await context.edit("出错了呜呜呜 ~ 无效的参数。")
return
youtube_pattern = regex_compile(r"^(http(s)?://)?((w){3}.)?youtu(be|.be)?(\.com)?/.+")
if youtube_pattern.match(url):
if not await fetch_youtube_audio(url, context.chat_id, reply_id, string_2):
await context.edit("出错了呜呜呜 ~ 原声带下载失败。")
await log(f"从链接中获取了一条音频,链接: {url}.")
await context.delete()
class GoogleSearch:
USER_AGENT = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:69.0) Gecko/20100101 Firefox/69.0"
SEARCH_URL = "https://google.com/search"
RESULT_SELECTOR = "div.r > a"
TOTAL_SELECTOR = "#resultStats"
RESULTS_PER_PAGE = 10
DEFAULT_HEADERS = [
('User-Agent', USER_AGENT),
("Accept-Language", "en-US,en;q=0.5"),
]
def search(self, query, num_results=10, prefetch_pages=True, prefetch_threads=10):
search_results = []
pages = int(ceil(num_results / float(GoogleSearch.RESULTS_PER_PAGE)))
fetcher_threads = deque([])
total = None
for i in range(pages):
start = i * GoogleSearch.RESULTS_PER_PAGE
opener = request.build_opener()
opener.addheaders = GoogleSearch.DEFAULT_HEADERS
response = opener.open(GoogleSearch.SEARCH_URL + "?q=" + parse.quote(query) + ("" if start == 0 else (
"&start=" + str(start))))
soup = BeautifulSoup(response.read(), "lxml")
response.close()
if total is None:
total_text = soup.select(GoogleSearch.TOTAL_SELECTOR)[0].children.__next__()
total = int(sub("[', ]", "", search("(([0-9]+[', ])*[0-9]+)", total_text).group(1)))
results = self.parse_results(soup.select(GoogleSearch.RESULT_SELECTOR))
if len(search_results) + len(results) > num_results:
del results[num_results - len(search_results):]
search_results += results
if prefetch_pages:
for result in results:
while True:
running = 0
for thread in fetcher_threads:
if thread.is_alive():
running += 1
if running < prefetch_threads:
break
sleep(1)
fetcher_thread = Thread(target=result.get_text)
fetcher_thread.start()
fetcher_threads.append(fetcher_thread)
for thread in fetcher_threads:
thread.join()
return SearchResponse(search_results, total)
@staticmethod
def parse_results(results):
search_results = []
for result in results:
url = result["href"]
title = result.find_all('h3')[0].text
text = result.parent.parent.find_all('div', {'class': 's'})[0].text
search_results.append(SearchResult(title, url, text))
return search_results
class SearchResponse:
def __init__(self, results, total):
self.results = results
self.total = total
class SearchResult:
def __init__(self, title, url, text):
self.title = title
self.url = url
self.text = text
def get_text(self):
return self.text
def __str__(self):
return str(self.__dict__)
def __repr__(self):
return self.__str__()