本文共 4099 字,大约阅读时间需要 13 分钟。
一、环境搭建:
1、PySimpleGUI: pip3 install pysimplegui
2、pytesseract需要有tesseract环境才行:
1. 先搭建tesseract:
brew install tesseract /*安装tesseract环境*/
brew install tesseract-lang /*安装语言包,大概有600+M,心痛。。*/
2. 安装pytesseract
pip3 install pytesseract
二、基本流程:
1、设计一个窗口,支持上传图片文件和相关参数设定。大概长这样:
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import PySimpleGUI as sgevent,values = sg.Window('选择转文字照片'). Layout([ [sg.Text('上传照片')], [sg.Input(), sg.FileBrowse('选择文件')], [sg.Radio('开启翻译','flag'),sg.Radio('中/英', "choose")], [sg.OK('确认'), sg.Cancel('取消')] ]).Read()
分支控制:
if values[1]: if values[2]: res = translate(text, 'en', 'zh') else: res = translate(text, 'zh', 'en') text = '' for ans in res['trans_result']: text+=ans['dst']+'\n'
2、图片转文字:
这里主要用到的是pytesseract库,引用库以后一行代码就搞定了。
text
=
pytesseract.image_to_string(Image.
open
(values[
0
]),lang
=
'chi_sim'
)
参数:values[0]是上传图片的地址,lang代表文字识别语言
3、调用百度翻译api:
首先去百度翻译开发者平台注册申请api:
然后在控制台的开发者信息里,会有你的appid和密钥:
根据官方提供的demo,我撸了一个调用函数:
def translate(q,fromLang,toLang): # q代表需要翻译的语句、fromlang是待翻译语言、tolang是翻译成的语言 appid = '你的appid' secretKey = '你的密钥' httpClient = None myurl = '/api/trans/vip/translate' salt = random.randint(32768, 65536) sign = appid+q+str(salt)+secretKey m1 = hashlib.md5() m1.update(sign.encode(encoding='utf-8')) sign = m1.hexdigest() myurl = myurl+'?appid='+appid+'&q='+parse.quote(q)+'&from='+fromLang+'&to='+toLang+'&salt='+str(salt)+'&sign='+sign try: httpClient = http.client.HTTPConnection('api.fanyi.baidu.com') httpClient.request('GET', myurl) response = httpClient.getresponse() ans = response.read().decode('utf-8') ans = eval(ans) except Exception as e: print(e) finally: if httpClient: httpClient.close() if ans: return ans百度翻译api调用
4、调用剪切板:
利用subprocess库,按照基本使用方法直接用就好。
text=bytes(text,'utf8')p = subprocess.Popen(['pbcopy'], stdin=subprocess.PIPE)p.stdin.write(text)p.stdin.close()p.communicate()
三、完整代码:
from PIL import Imageimport pytesseractimport subprocessimport PySimpleGUIimport PySimpleGUI as sgimport http.clientimport hashlibfrom urllib import parseimport randomdef translate(q,fromLang,toLang): appid = '你的appid' secretKey = '你的密钥' httpClient = None myurl = '/api/trans/vip/translate' salt = random.randint(32768, 65536) sign = appid+q+str(salt)+secretKey m1 = hashlib.md5() m1.update(sign.encode(encoding='utf-8')) sign = m1.hexdigest() myurl = myurl+'?appid='+appid+'&q='+parse.quote(q)+'&from='+fromLang+'&to='+toLang+'&salt='+str(salt)+'&sign='+sign try: httpClient = http.client.HTTPConnection('api.fanyi.baidu.com') httpClient.request('GET', myurl) response = httpClient.getresponse() ans = response.read().decode('utf-8') ans = eval(ans) except Exception as e: print(e) finally: if httpClient: httpClient.close() if ans: return ansevent,values = sg.Window('选择转文字照片'). Layout([ [sg.Text('上传照片')], [sg.Input(), sg.FileBrowse('选择文件')], [sg.Radio('开启翻译','flag'),sg.Radio('中/英', "choose")], [sg.OK('确认'), sg.Cancel('取消')] ]).Read()if event=='取消': exit('no image file selected!')text=pytesseract.image_to_string(Image.open(values[0]),lang='chi_sim');text=str(text).replace('\n','')if values[1]: if values[2]: res = translate(text, 'en', 'zh') else: res = translate(text, 'zh', 'en') text = '' for ans in res['trans_result']: text+=ans['dst']+'\n'text=bytes(text,'utf8')p = subprocess.Popen(['pbcopy'], stdin=subprocess.PIPE)p.stdin.write(text)p.stdin.close()p.communicate()Source Code
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