31 lines
1.9 KiB
Python
31 lines
1.9 KiB
Python
"""Separate metal chargeable-weight declarations from the shipment's gross weight."""
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import re
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from decimal import Decimal
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def material_intent(text,weight_pattern,to_kg):
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declarations=re.sub(r'铁铝(?:附加费|加费|费用)','',text)
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metal=bool(re.search(r'铁制|钢制|铝制|铁铝|不锈钢|(?:铁|钢|铝)(?:件|货|扣|罐|盒|板|管|架|材)',declarations))
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generic='金属' in text
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ordinary=bool(re.search(r'普通货|普货|非铁铝',text))
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partial=bool(re.search(r'只有|部分|其中|有些|只是|一部分',text) or
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metal and re.search(r'塑料|木制|布料',text))
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scope='partial' if partial and (metal or generic) else ('all' if re.search(r'全是|全部是|都是|整票是|货物是|换成|改成',text) and metal else None)
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material=('ordinary' if '非铁铝' in text else 'metal' if metal else 'unknown_metal' if generic
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else 'ordinary' if ordinary or re.search(r'塑料|木制',text) else None)
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name=r'(?:铁铝|铁制品|钢制品|铝制品|铁件|钢件|铝件|金属)(?:部分|货物)?(?:的)?'
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patterns=(name+r'\s*计费重(?:量)?\s*(?:为|是|[:：])?\s*'+weight_pattern.pattern,
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name+r'\s*按\s*'+weight_pattern.pattern+r'\s*计费')
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charged=None;cleaned=text;errors=[]
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for pattern in patterns:
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matches=list(re.finditer(pattern,text,re.I))
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for match in matches:
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value=to_kg(*match.groups())
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if charged is not None and Decimal(charged)!=value:errors.append('铁铝货物的计费重不一致，请确认。')
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charged=str(value);scope='partial'
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if not 0<value<=1000000:errors.append('请提供大于0的有效铁铝货物计费重。')
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cleaned=cleaned[:match.start()]+' '*(match.end()-match.start())+cleaned[match.end():]
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return {'material':material,'metal_scope':scope,'metal_chargeable_weight':charged,
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'quantity_text':cleaned,'errors':errors}
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