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126 lines
3.3 KiB
Python
Executable file
126 lines
3.3 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*-coding:UTF-8 -*
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"""
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The OcrExtractor Module
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======================
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"""
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##################################
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# Import External packages
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##################################
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import os
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import sys
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sys.path.append(os.environ['AIL_BIN'])
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##################################
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# Import Project packages
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##################################
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from modules.abstract_module import AbstractModule
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from lib.ConfigLoader import ConfigLoader
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from lib import chats_viewer
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from lib.objects import Messages
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from lib.objects import Ocrs
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# Default to eng
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def get_model_languages(obj, add_en=True):
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if add_en:
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model_languages = {'en'}
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else:
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model_languages = set()
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ob = obj.get_first_correlation('message')
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if ob:
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message = Messages.Message(ob.split(':', 2)[-1])
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lang = message.get_language()
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if lang:
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model_languages.add(lang)
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return model_languages
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ob = obj.get_first_correlation('chat-subchannel')
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if ob:
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ob = chats_viewer.get_obj_chat_from_global_id(ob)
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lang = ob.get_main_language()
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if lang:
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model_languages.add(lang)
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return model_languages
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ob = obj.get_first_correlation('chat')
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if ob:
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ob = chats_viewer.get_obj_chat_from_global_id(ob)
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lang = ob.get_main_language()
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if lang:
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model_languages.add(lang)
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return model_languages
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return model_languages
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# TODO thread
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class OcrExtractor(AbstractModule):
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"""
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OcrExtractor for AIL framework
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"""
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def __init__(self):
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super(OcrExtractor, self).__init__()
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# Waiting time in seconds between to message processed
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self.pending_seconds = 1
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config_loader = ConfigLoader()
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self.r_cache = config_loader.get_redis_conn("Redis_Cache")
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self.ocr_languages = Ocrs.get_ocr_languages()
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# Send module state to logs
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self.logger.info(f'Module {self.module_name} initialized')
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def is_cached(self):
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return self.r_cache.exists(f'ocr:no:{self.obj.id}')
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def add_to_cache(self):
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self.r_cache.setex(f'ocr:no:{self.obj.id}', 86400, 0)
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def compute(self, message):
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image = self.get_obj()
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date = message
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ocr = Ocrs.Ocr(image.id)
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if self.is_cached():
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return None
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if self.obj.is_gif():
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self.logger.warning(f'Ignoring GIF: {self.obj.id}')
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return None
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if not ocr.exists():
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path = image.get_filepath()
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languages = get_model_languages(image)
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languages = Ocrs.sanityze_ocr_languages(languages, ocr_languages=self.ocr_languages)
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print(image.id, languages)
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texts = Ocrs.extract_text(path, languages)
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if texts:
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print('create')
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ocr = Ocrs.create(image.id, texts)
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if ocr:
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self.add_message_to_queue(ocr)
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else:
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print('no text')
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self.add_to_cache()
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# Save in cache
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else:
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print('no text detected')
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self.add_to_cache()
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else:
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# print(image.id)
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# print('update correlation', date)
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ocr.update_correlation(date=date)
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if __name__ == '__main__':
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module = OcrExtractor()
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module.run()
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