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harvester-d4science
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Enable custom solution to detect existing packages 

With this change, all harvesters that extend the base harvester have the
possibility to use the very useful create_or_update method, but still
define their own way of detecting what package is the existing one.

This is very useful for harvest sources that have no knowledge of the
CKAN internal id, but have another way of finding previous package.
This commit is contained in:
Stefan Oderbolz 2015-11-20 16:19:39 +01:00
parent e71cf35504
commit 129b1a0cf5
1 changed files with 8 additions and 6 deletions
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14
ckanext/harvest/harvesters/base.py
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@ -281,13 +281,8 @@ class HarvesterBase(SingletonPlugin):
package_dict['tags'] = tags package_dict['tags'] = tags
# Check if package exists # Check if package exists
data_dict = {}
data_dict['id'] = package_dict['id']
try: try:
package_show_context = {'model': model, 'session': Session, existing_package_dict = self._find_existing_package(package_dict)
'ignore_auth': True}
existing_package_dict = get_action('package_show')(
package_show_context, data_dict)
# In case name has been modified when first importing. See issue #101. # In case name has been modified when first importing. See issue #101.
package_dict['name'] = existing_package_dict['name'] package_dict['name'] = existing_package_dict['name']
@ -359,3 +354,10 @@ class HarvesterBase(SingletonPlugin):
self._save_object_error('%r'%e,harvest_object,'Import') self._save_object_error('%r'%e,harvest_object,'Import')
return None return None
def _find_existing_package(self, package_dict):
data_dict = {'id': package_dict['id']}
package_show_context = {'model': model, 'session': Session,
'ignore_auth': True}
return get_action('package_show')(
package_show_context, data_dict)