Commit bb0947d0 authored by Hugo Buddelmeijer's avatar Hugo Buddelmeijer
Browse files

+ Import from astro.main.sourcecollection.

parent 1c6d954c
......@@ -9,7 +9,9 @@ from common.log.Error import Error
import datetime, os
import urllib
from SourceCollection import SourceCollection
from astro.main.sourcecollection.SourceCollection import SourceCollection
from astro.main.sourcecollection.External import External as ExternalBase
from astro.util.SetRelations import SetRelations, SetRelationsSet
from astro.util.TableConverter import TableConverter
......@@ -17,7 +19,6 @@ from astro.util.TableConverter import TableConverter
This file contains the experimental ExternalTAP class, a SourceCollection to
access IVOA TAP Resources as if they are local SourceCollections.
# Below is a workaround to get a fake persistent class.
# Import it as:
from astro.main.sourcecollection.ExternalTAP import External as ExternalTAP
......@@ -53,7 +54,6 @@ class ExternalTap(SourceCollection):
from External import External as ExternalBase
class External(ExternalBase):
The experimental ExternalTAP is a SourceCollection to access IVOA TAP
......@@ -61,7 +61,9 @@ class External(ExternalBase):
The ExternalTAP points to a IVOA TAP resources from which it can fetch
data. It has a local sourcelist_data to store this data, which can be
shared with SCs further in the tree.
shared with SCs further in the tree. This way, an ExternalTAP can represent
an entire, possibly very large, TAP resource, while only the rows that are
actually required are retrieved.
E.g. An ExternalTAP can point to the PhotoObjAll table of an SDSS resource,
but not store any catalog data initially. A FilterSources can be created
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