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0025: 语音打开浏览器搜索引擎
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‎xyjxyf/0025/voice_open_browser.py‎

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# encoding = utf-8
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# use pyAudio
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# brew install portaudio
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# pip install pyaudio
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import wave, pyaudio
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from datetime import datetime
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from tools import dxbaiduaudio
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import webbrowser
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CHUNK = 1024
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FORMAT = pyaudio.paInt16
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RATE = 8000
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CHANNELS = 1
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RECORD_SECONDS = 5
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def record_wave(to_dir=None):
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if to_dir is None:
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to_dir = "./"
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pa = pyaudio.PyAudio()
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stream = pa.open(format = FORMAT,
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channels = CHANNELS,
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rate = RATE,
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input = True,
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frames_per_buffer = CHUNK)
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print("* recording")
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save_buffer = []
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for i in range(0, int(RATE / CHUNK * RECORD_SECONDS)):
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audio_data = stream.read(CHUNK)
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save_buffer.append(audio_data)
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print("* done recording")
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# stop
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stream.stop_stream()
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stream.close()
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pa.terminate()
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# wav path
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file_name = datetime.now().strftime("%Y-%m-%d_%H_%M_%S")+".wav"
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if to_dir.endswith('/'):
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file_path = to_dir + file_name
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else:
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file_path = to_dir + "/" + file_name
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# save file
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wf = wave.open(file_path, 'wb')
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wf.setnchannels(CHANNELS)
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wf.setsampwidth(pa.get_sample_size(FORMAT))
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wf.setframerate(RATE)
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# join 前的类型
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wf.writeframes(b''.join(save_buffer))
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wf.close()
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return file_path
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def browser_open_text(text):
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if text is None:
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return
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url = "http://www.baidu.com"
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if text.startswith("谷歌") or text.startswith("google"):
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url = "http://www.google.com"
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elif text.startswith("必应") or text.startswith("bing"):
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url = "http://cn.bing.com"
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webbrowser.open_new_tab(url)
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if __name__ == "__main__":
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to_dir = "./"
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file_path = record_wave(to_dir)
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text = dxbaiduaudio.wav_to_text(file_path)
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browser_open_text(text)

‎xyjxyf/show_me_the_code.py‎

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# 第 0025 题： 使用 Python 实现：对着电脑吼一声,自动打开浏览器中的默认网站
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# 在文件夹0025中实现
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if __name__ == "__main__":

‎xyjxyf/tools/dxbaiduaudio.py‎

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# encoing = utf-8
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from urllib import request
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import json, base64, uuid, os
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import wave
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import pycurl
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import io
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bda_app_id = "7972313"
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bda_api_key = "ZrjLfF5Rh7pOL66gaOmDGnXn"
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bda_secret_key = "16bac9645093ca2632ebb81015ff7544"
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bda_access_token = ""
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bda_expires_in = ""
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ret_text = ""
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def get_mac_address():
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return uuid.UUID(int=uuid.getnode()).hex[-12:]
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def get_access_token():
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url = "https://openapi.baidu.com/oauth/2.0/token?grant_type=client_credentials&client_id=ZrjLfF5Rh7pOL66gaOmDGnXn&client_secret=16bac9645093ca2632ebb81015ff7544"
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req = request.Request(url, method="POST")
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resp = request.urlopen(req)
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data = resp.read().decode('utf-8')
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json_data = json.loads(data)
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global bda_access_token
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bda_access_token = json_data['access_token']
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return bda_access_token
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CHUNK = 1024
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def get_wav_data(wav_path):
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if wav_path is None or len(wav_path) == 0:
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return None
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fp = wave.open(wav_path, 'rb')
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nf = fp.getnframes()
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f_len = nf * 2
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audio_data = fp.readframes(nf)
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return audio_data, f_len
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def dump_res(buf):
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resp_json = json.loads(buf.decode('utf-8'))
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ret = resp_json['result']
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global ret_text
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ret_text = ret[0]
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print(buf)
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def wav_to_text(wav_path):
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if wav_path is None or len(wav_path) == 0:
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return None
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if len(bda_access_token) == 0:
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get_access_token()
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if len(bda_access_token) == 0:
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return None
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data, f_len = get_wav_data(wav_path)
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url = 'http://vop.baidu.com/server_api?cuid=' + get_mac_address() + '&token=' + bda_access_token
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http_header = [
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'Content-Type: audio/pcm; rate=8000',
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'Content-Length: %d' % f_len
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]
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c = pycurl.Curl()
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c.setopt(pycurl.URL, str(url)) #curl doesn't support unicode
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#c.setopt(c.RETURNTRANSFER, 1)
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c.setopt(c.HTTPHEADER, http_header) #must be list, not dict
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c.setopt(c.POST, 1)
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c.setopt(c.CONNECTTIMEOUT, 30)
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c.setopt(c.TIMEOUT, 30)
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c.setopt(c.WRITEFUNCTION, dump_res)
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c.setopt(c.POSTFIELDS, data)
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c.setopt(c.POSTFIELDSIZE, f_len)
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c.perform() #pycurl.perform() has no return val
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return ret_text
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# def wav_to_text(wav_path):
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# if wav_path is None or len(wav_path) == 0:
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# return None
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#
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# wav_data = get_wav_data(wav_path)
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# if wav_data is None:
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# return None
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#
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# if len(bda_access_token) == 0:
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# get_access_token()
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#
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# wav_base64 = base64.b64decode(wav_data)
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# print("%s", wav_base64)
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# # unicode( wav_base64, errors='ignore')
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# wav_len = len(wav_data)
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# data_dic = {'format':'wav', 'rate':8000, 'channel':1,
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# 'cuid':get_mac_address(), 'token':bda_access_token,
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# b'speech':wav_base64, 'len':wav_len}
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# json_data = json.dumps(data_dic).encode('utf-8')
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# json_len = len(json_data)
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#
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# req = request.Request('http://vop.baidu.com/server_api')
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# req.add_header('Content-Type', "application/json")
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# req.add_header("Content-Length", json_len)
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# resp = request.urlopen(req, data=json_data)
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#
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# resp_data = resp.read().decode('utf-8')
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# resp_json = json.loads(resp_data)
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#
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# return resp_json['result']

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