def process(self, item):
seg_rule = [("producted_year", u"(\d{2,4}).+[年款]?", 1),
("logo_zh", u"^.+[版型级]", 0),
("transmission_zh", u"(手动)|(自动)|(手波)|(手自一体)|(无极变速)|CVT|([AM]T)|(A[^T]+T)", 0),
("engine", u"(\d\.\d?)(?![\d|万])(L|l|T|t|升|CVT|TSI|TFSI)?", 1),
("imports_zh", u"(进口)|(国产)|([\u2E80-\u9FFF]+)国", 0)]
vid = item['vehicle_code']
seg_rule.extend([('car_brand', item['car_brand'], 0),
('car_series', item['car_series'], 0)])
sseg = segment(seg_rule, item['car_title'])
cursor = conn.cursor()
cursor.execute("select producted_year, logo_zh, engine, transmission_zh from car_datas where vehicle_code = ?", (vid, ))
rb_rs = cursor.fetchone()
rb = dict(zip([i[0] for i in cursor.description], rb_rs))
#年款
car_publish_logo = sseg['producted_year']['content']
if not car_publish_logo:
car_publish_logo = rb['producted_year']
def repl(obj):
num = obj.group()
inum = int(num)
if inum < 1000:
if inum < 80:
y = inum + 2000
else:
y = inum + 1900
else:
y = inum
if 1985 < y < 2014:
return str(y)
if car_publish_logo:
car_publish_logo = re.sub('\d+', repl, car_publish_logo)
#版型
car_publish_version = sseg['logo_zh']['content']
if not car_publish_version:
car_publish_version = rb['logo_zh'] or ''
#排量
car_emission = sseg['engine']['content']
if not car_emission:
car_emission = rb['engine']
#车型短描述
keywords = [item['car_brand'],
item['car_series'],
car_publish_logo,
car_publish_version,
rb['transmission_zh'],
car_emission]
standard_title = ' '.join([k for k in keywords if k])
item['car_publish_logo'] = car_publish_logo
item['car_publish_version'] = car_publish_version
item['standard_title'] = standard_title
return item
def process(self, item):
seg_rule = [
("producted_year", u"(\d{2,4}).+[年款]?", 1),
("logo_zh", u"^.+[版型级]", 0),
("transmission_zh", u"(手动)|(自动)|(手波)|(手自一体)|(无极变速)|CVT|([AM]T)|(A[^T]+T)", 0),
("engine", u"(\d\.\d?)(?![\d|万])(L|l|T|t|升|CVT|TSI|TFSI)?", 1),
("imports_zh", u"(进口)|(国产)|([\u2E80-\u9FFF]+)国", 0),
]
vid = item["vehicle_code"]
seg_rule.extend([("car_brand", item["car_brand"], 0), ("car_series", item["car_series"], 0)])
sseg = segment(seg_rule, item["car_title"])
cursor = conn.cursor()
cursor.execute(
"select producted_year, logo_zh, engine, transmission_zh from car_datas where vehicle_code = ?", (vid,)
)
rb_rs = cursor.fetchone()
rb = dict(zip([i[0] for i in cursor.description], rb_rs))
# 年款
car_publish_logo = sseg["producted_year"]["content"]
if not car_publish_logo:
car_publish_logo = rb["producted_year"]
def repl(obj):
num = obj.group()
inum = int(num)
if inum < 1000:
if inum < 80:
y = inum + 2000
else:
y = inum + 1900
else:
y = inum
if 1985 < y < 2014:
return str(y)
if car_publish_logo:
car_publish_logo = re.sub("\d+", repl, car_publish_logo)
# 版型
car_publish_version = sseg["logo_zh"]["content"]
if not car_publish_version:
car_publish_version = rb["logo_zh"] or ""
# 排量
car_emission = sseg["engine"]["content"]
if not car_emission:
car_emission = rb["engine"]
# 车型短描述
keywords = [
item["car_brand"],
item["car_series"],
car_publish_logo,
car_publish_version,
rb["transmission_zh"],
car_emission,
]
standard_title = " ".join([k for k in keywords if k])
item["car_publish_logo"] = car_publish_logo
item["car_publish_version"] = car_publish_version
item["standard_title"] = standard_title
return item
def simple_segment(self, title):
"""正则匹配提取
"""
rs = segment(self.seg_rule, title)
results = dict((k, v.get("content")) for k, v in rs.items() if v.get("content"))
return results
