What are the correct parameters for Magento Product Attribute creation in Perl - perl

Question

I've got several calls working already, but for the life of me I can't figure out how to make product_attribute.create work. I'm always getting a 102 Invalid request parameters or 623 Wrong Method Signature.
making the call like this my $res = $self->_useragent->call( call => $self->_session, #{$payload} ); (note: useragent is a XML::RPC object.
This Dumper $payload;
$VAR1 = [
'product_attribute.create',
[
'test',
{
'frontend_label' => [
{
'label' => 'Test ME',
'store_id' => 0
}
],
'scope' => 'store',
'frontend_input' => 'text'
}
]
];
I've read the API Documentation but figuring out what the call should look like in Perl is tricky.

Answer 1

I'm not familiar with the XML-RPC library you're using in perl, but he error you're seeing is a Magento API exception, configured in
<!--File: app/code/core/Mage/Catalog/etc/api.xml -->
<!-- ... -->
<invalid_parameters>
<code>102</code>
<message>Invalid request parameters.</message>
</invalid_parameters>
<!-- ... -->
Using the exception's name, you can find the place Magento threw it
#File: app/code/core/Mage/Catalog/Model/Product/Attribute/Api.php
//...
if (empty($data['attribute_code']) || !is_array($data['frontend_label'])) {
$this->_fault('invalid_parameters');
}
//...
So, my guess is your call is correct, you're just missing an attribute_code.

Answer 2

After some digging through Magento's code, I copied this from the test suite and it converted to perl, it appears to work. maybe all attributes are required.
$VAR1 = [
'product_attribute.create',
[
{
'default_value' => '1',
'is_configurable' => 0,
'used_in_product_listing' => 0,
'is_visible_on_front' => 0,
'apply_to' => [
'simple'
],
'is_comparable' => 0,
'is_used_for_promo_rules' => 0,
'is_required' => 0,
'scope' => 'store',
'is_unique' => 0,
'frontend_input' => 'text',
'is_searchable' => 0,
'attribute_code' => 'unique_code',
'is_visible_in_advanced_search' => 0,
'frontend_label' => [
{
'label' => 'some label',
'store_id' => '0'
}
]
}
]
];
Further experimentation somewhat based on Alan Storm's Answer, suggest that the following fields are required, as I was not able to successfully create a request without all of these fields at minimum being defined.
$VAR1 = [
'product_attribute.create',
[
{
'frontend_input' => 'text',
'attribute_code' => 'test1374438470',
'frontend_label' => [
{
'store_id' => 0,
'label' => 'Test ME'
}
]
}
]
];