我有一个 SOAP 请求,它采用以下 XML 正文
<x:Body>
<ser:CreateExportJobRequest>
<ser:ExportJobTypeName>Products</ser:ExportJobTypeName>
<ser:ExportColumns>
<ser:ExportColumn>Id</ser:ExportColumn>
<ser:ExportColumn>itemName</ser:ExportColumn>
</ser:ExportColumns>
<ser:ExportFilters>
<ser:ExportFilter id="updatedSince">
<ser:Text>2.0</ser:Text>
</ser:ExportFilter>
</ser:ExportFilters>
<ser:Frequency>ONETIME</ser:Frequency>
</ser:CreateExportJobRequest>
</x:Body>
我可以使用回旋镖发出成功的请求。
现在我实际上想在我的 python 代码中使用它。所以我尝试了,
inputElement = client.factory.create('CreateExportJobRequest')
inputElement.ExportJobTypeName = "Products"
inputElement.ExportColumns.ExportColumn = ["Id", "itemName"]
inputElement.Frequency = 'ONETIME'
if updatedSince:
inputElement.ExportFilters.ExportFilter = ['updatedSince']
t = client.service.CreateExportJob(inputElement.ExportJobTypeName, inputElement.ExportColumns, inputElement.ExportFilters, None, None, inputElement.Frequency)
我收到一个错误,
'list' object has no attribute 'id'
因为创建了一个有点错误的 XML 请求
<ns1:ExportFilters>
<ns1:ExportFilter>updatedSince</ns1:ExportFilter>
</ns1:ExportFilters>
所以我为ExportFilter
尝试了一些其他事情,比如
inputElement.ExportFilters.ExportFilter = [{'id': 'updatedSince', 'text': updatedSince}]
和
inputElement.ExportFilters.ExportFilter = [('updatedSince', updatedSince)]
和
inputElement.ExportFilters.ExportFilter = [{'updatedSince': updatedSince}]
# says, Type not found: 'updatedSince'
和
inputElement.ExportFilters.ExportFilter = [
{'key': 'updatedSince', 'value': {'key': 'eq', 'value': updatedSince}}
]
# says, Type not found: 'value'
但没有任何效果。
在设置导出过滤器之前,它的值采用
ExportFilters: (ExportFilters){
ExportFilter[] = <empty>
}
请帮忙。
在调试并浏览了一些 suds 代码后,我找到了修复程序。
修复的完整代码片段:
inputElement = client.factory.create('CreateExportJobRequest')
inputElement.ExportJobTypeName = "Products"
inputElement.ExportColumns.ExportColumn = ["Id", "itemName"]
inputElement.Frequency = 'ONETIME'
if updatedSince:
efilter = client.factory.create("ExportFilter")
efilter._id = 'updatedSince'
efilter.Text = updatedSince
inputElement.ExportFilters.ExportFilter.append(efilter)
t = client.service.CreateExportJob(inputElement.ExportJobTypeName, inputElement.ExportColumns, inputElement.ExportFilters, None, None, inputElement.Frequency)
调试:因为泡沫引起了TypeNotFound
例外,所以我寻找所有raise TypeNotFound
泡沫内部的地方。我把调试点放在我的PyCharm中。
我发现suds/mx/literal.py
内部Typed
类中的start
方法引发了我得到的错误。
def start(self, content):
#
# Start marshalling the 'content' by ensuring that both the
# 'content' _and_ the resolver are primed with the XSD type
# information. The 'content' value is both translated and
# sorted based on the XSD type. Only values that are objects
# have their attributes sorted.
#
log.debug('starting content:n%s', content)
if content.type is None:
name = content.tag
if name.startswith('_'):
name = '@'+name[1:]
content.type = self.resolver.find(name, content.value)
if content.type is None:
raise TypeNotFound(content.tag)
else:
known = None
if isinstance(content.value, Object):
known = self.resolver.known(content.value)
if known is None:
log.debug('object has no type information', content.value)
known = content.type
frame = Frame(content.type, resolved=known)
self.resolver.push(frame)
frame = self.resolver.top()
content.real = frame.resolved
content.ancestry = frame.ancestry
self.translate(content)
self.sort(content)
if self.skip(content):
log.debug('skipping (optional) content:n%s', content)
self.resolver.pop()
return False
else:
return True
所以从这个逻辑出发,我找到了解决方法。
但是,如果有人为此建议一个标准程序,那就太好了。