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identity.py
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import os
import sys
import re
import datetime
from config import Config
__dir__ = os.path.dirname(__file__)
sys.path.append(os.path.join(__dir__, ''))
from paddleocr import PaddleOCR
class Identity:
def __init__(self):
self.ocr_engine = PaddleOCR(use_gpu=Config.is_gpu
, use_angle_cls=True
, use_space_char=False
, rec_model_dir=Config.rec_model_dir
, det=Config.det_mode_dir)
def front(self,path):
result=self.ocr_engine.ocr(path,det=True,
rec=True,
cls=False)
id=self.getId(result)
name=self.getName(result)
gender=self.getGender(id)
nation=self.getNation(result)
if nation in ["备"]:
nation="畲"
birthday=self.getBirthday(id)
os.remove(path)
return {"name":name,"gender":gender,"nation":nation,"birthday":birthday,"id":id}
def back(self,path):
result = self.ocr_engine.ocr(path, det=True,
rec=True,
cls=False)
# for line in result:
# print(line)
sign = self.getSign(result)
(start_date,end_date)=self.getExpired(result)
return {"sign":sign,"start_date":start_date,"end_date":end_date}
def getExpired(self,result):
time=None
pos = None
for idx in range(len(result)):
line = result[idx]
val = str(line[1][0])
if not val.startswith("有效期限"):
continue
pos = line[0][1]
if len(val) > 4:
time = val[4:]
break
if pos is None:
return (None,None)
if time is None:
min_pos = 200000000
for line in result:
val = str(line[1][0])
if val.startswith("签发机关") or val.startswith("有效期限"):
continue
if pos[0] > line[0][1][0]:
continue
interval_pixel = abs(line[0][1][1] - pos[1])
if interval_pixel < min_pos:
min_pos = interval_pixel
time = line[1][0]
if time is None:
return (None,None)
result=time.replace("-","").replace(".","").replace("_","").replace("长期","")
# print(result)
if len(result)!=16 and len(result)!=8:
return (None,None)
if len(result)==16:
return (result[0:4]+"."+result[4:6]+"."+result[6:8],result[8:12]+"."+result[12:14]+"."+result[14:])
if len(result)==8:
return (result[0:4]+"."+result[4:6]+"."+result[6:8],"长期")
return (None,None)
def getSign(self,result):
pos = None
for idx in range(len(result)):
line = result[idx]
val = str(line[1][0])
if not val.startswith("签发机关"):
continue
pos = line[0][1]
if len(val) > 4:
return val[4:]
if pos is None:
return None
min_pos = 200000000
name = None
for line in result:
val = str(line[1][0])
if val.startswith("签发机关") or val.startswith("有效期限"):
continue
if pos[0] > line[0][1][0]:
continue
interval_pixel = abs(line[0][1][1] - pos[1])
if interval_pixel < min_pos:
min_pos = interval_pixel
name = line[1][0]
return name
def getName(self,result):
pos=None
for idx in range(len(result)):
line=result[idx]
val=str(line[1][0])
if not val.startswith("姓名"):
continue
pos=line[0][1]
if len(val)>2:
return val[2:]
if pos is None:
return None
min_pos=200000000
name=None
for line in result:
val = str(line[1][0])
if val.startswith("姓名") or val.startswith("性别") or val.startswith("民族") or val.startswith("住址")\
or val.startswith("公民身份号码"):
continue
if pos[0] > line[0][1][0]:
continue
interval_pixel=abs(line[0][1][1] - pos[1])
if interval_pixel < min_pos:
min_pos=interval_pixel
name=line[1][0]
return name
def getGender(self,id):
# id=self.getId(result)
if id is None:
return None
if len(id)<15:
return None
if int(id[15]) % 2 == 1:
return "男"
else:
return '女'
def getNation(self,result):
pos=None
for idx in range(len(result)):
line = result[idx]
val = str(line[1][0])
if not val.startswith("民族"):
continue
pos=line[0][1]
if len(val) > 2:
return val[2:]
if pos is None:
return None
min_pos=200000000
nation=None
for line in result:
val = str(line[1][0])
if val.startswith("姓名") or val.startswith("性别") or val.startswith("民族") or val.startswith("住址") \
or val.startswith("公民身份号码"):
continue
if pos[0]>line[0][1][0]:
continue
interval_pixel=abs(line[0][1][1] - pos[1])
if interval_pixel < min_pos:
min_pos=interval_pixel
nation=line[1][0]
return nation
def getBirthday(self,id):
# id=self.getId(result)
if id is None:
return None
year=id[6:10]
month=id[10:12]
day=id[12:14]
return "%s年%d月%d日" % (year,int(month),int(day))
def getAddress(self,result):
pos1=None
for line in result:
val = str(line[1][0])
if not val.startswith('出生'):
continue
pos1 = line[0][3]
address=''
for line in result:
if pos1[0] > line[0][0][0]:
continue
if pos1[1] > line[0][0][1]:
continue
val = str(line[1][0])
if re.findall("\d{15,}",val):
continue
address += val
if address=='':
return None
return address
def getId(self,result):
for line in result:
val = str(line[1][0])
if not val.startswith("公民身份号码"):
continue
if len(val)>=6:
id=str(val[6:])
id = self.modify_id(id)
if re.findall("\d{15,}",id):
if not self.check_id(id):
return None
return id
for line in result:
id = str(line[1][0])
id = self.modify_id(id)
if re.findall("\d{15,}",id):
if not self.check_id(id):
return None
return id
return None
def check_id(self,id):
if len(id)<17:
return False
if len(id)==18:
if not id[:-1].isdigit():
return False
fact = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2]
sum = 0
for i in range(17):
sum += fact[i] * int(id[i])
m = sum % 11
chk = '10X98765432'
if chk[m] != id[-1]:
return False
year = int(id[6:10])
month = int(id[10:12])
day = int(id[12:14])
if not (year>=1890 and year<=datetime.datetime.now().year):
return False
if not (month>=1 and month<=12):
return False
if not (day>=1 and day<=31):
return False
return True
def modify_id(self,id):
id = id.replace("i", "1").replace("I", "")
id = id.replace("z", "2").replace("Z", "2")
id = id.replace("o", "0").replace("O", "0")
return id.replace("x", "X")