使用python3,我试图读取xml文件并根据Item中的属性重新计算值,然后使用新值编写整个xml文件的副本。
xml文件示例(完整文件中约有1万行):
<?xml version="1.0" encoding="utf-8"?>
<Items>
<Item id="headscarf_d"
name="{=wW3iouiU}Hijab"
mesh="headscarf_d"
culture="Culture.aserai"
weight="0.5"
value="63"
appearance="1"
Type="HeadArmor">
<ItemComponent>
<Armor head_armor="3"
has_gender_variations="false"
beard_cover_type="type3"
hair_cover_type="all"
modifier_group="cloth_unarmoured"
material_type="Cloth"/>
</ItemComponent>
<Flags Civilian="true"
UseTeamColor="true" />
</Item>
<Item id="open_head_scarf"
name="{=qsVRoGUv}Open Head Scarf"
mesh="aserai_helmet_c"
culture="Culture.aserai"
weight="0.6"
value="174"
appearance="1"
Type="HeadArmor">
<ItemComponent>
<Armor head_armor="5"
has_gender_variations="false"
beard_cover_type="type3"
hair_cover_type="all"
modifier_group="cloth_unarmoured"
material_type="Cloth"/>
</ItemComponent>
<Flags Civilian="true"
UseTeamColor="true" />
</Item>
<Item id="woven_turban"
name="{=ArPvuBYK}Woven Turban"
subtype="head_armor"
mesh="aserai_helmet_h"
culture="Culture.aserai"
weight="0.8"
difficulty="0"
value="250"
appearance="1"
Type="HeadArmor">
<ItemComponent>
<Armor head_armor="6"
has_gender_variations="false"
beard_cover_type="type2"
hair_cover_type="all"
modifier_group="cloth_unarmoured"
material_type="Cloth"/>
</ItemComponent>
<Flags Civilian="true"
UseTeamColor="true" />
</Item>
</Items>
从示例xml中获取一项,
<Item id="headscarf_d"
name="{=wW3iouiU}Hijab"
mesh="headscarf_d"
culture="Culture.aserai"
weight="0.5"
value="63"
appearance="1"
Type="HeadArmor">
<ItemComponent>
<Armor head_armor="3"
has_gender_variations="false"
beard_cover_type="type3"
hair_cover_type="all"
modifier_group="cloth_unarmoured"
material_type="Cloth"/>
</ItemComponent>
<Flags Civilian="true"
UseTeamColor="true" />
[为简单起见,我想取Item值(上面的示例为63)并除以2(63/2 = 31.5)。然后,如果项目的ItemComponent material_type =“ Cloth”再除以2(31.5 / 2 = 15.75)。最后四舍五入为整数,然后更新值并重复每个项目,然后写入新的更新的xml文件。
我尝试使用Reading, modifying and writing xml,但无法获得任何有用的信息。
您可能正在寻找符合以下条件的东西:
from lxml import etree
import math
inv="""[your xml above]"""
doc = etree.XML(inv)
values = doc.xpath('//Item')
materials = doc.xpath('Item//ItemComponent//Armor')
for t, m in zip(values,materials):
if m.attrib['material_type'] == 'Cloth':
val = float(t.attrib['value'])/4
t.attrib['value'] = str(math.ceil(val))
else:
t.attrib['value']= str(math.ceil(val*2))
print(etree.tostring(doc).decode())
输出是您的xml,其Items/Item/@value
属性值除以2或4,并根据需要四舍五入。由于Items
具有cloth
作为属性material_type
的值,因此将它们全部除以4并四舍五入为:
16
44
63