Introduction

pycsw is an OGC CSW server implementation written in Python.

Features

• fully implements OGC CSW 2.0.2
• fully passes the OGC CITE CSW test suite (103/103)
• implements INSPIRE Discovery Services 3.0
• implements ISO Metadata Application Profile 1.0.0
• implements FGDC CSDGM Application Profile for CSW 2.0
• implements the Search/Retrieval via URL (SRU) search protocol
• implements OpenSearch
• supports ISO, Dublin Core, DIF, FGDC and Atom metadata models
• simple configuration
• transactional capabilities (CSW-T)
• flexible repository configuration
• federated catalogue distributed searching
• realtime XML Schema validation
• extensible profile plugin architecture

Standards Support

Standard	Version(s)
OGC CSW	2.0.2
OGC Filter	1.1.0
OGC OWS Common	1.0.0
OGC GML	3.1.1
OGC SFSQL	1.2.1
Dublin Core	1.1
SOAP	1.2
ISO 19115	2003
ISO 19139	2007
ISO 19119	2005
NASA DIF	9.7
FGDC CSDGM	1998
SRU	1.1
A9 OpenSearch	1.1

Supported Operations

Request	Optionality	Supported	HTTP method binding(s)
GetCapabilities	mandatory	yes	GET (KVP) / POST (XML) / SOAP
DescribeRecord	mandatory	yes	GET (KVP) / POST (XML) / SOAP
GetRecords	mandatory	yes	GET (KVP) / POST (XML) / SOAP
GetRecordById	optional	yes	GET (KVP) / POST (XML) / SOAP
GetRepositoryItem	optional	yes	GET (KVP)
GetDomain	optional	yes	GET (KVP) / POST (XML) / SOAP
Harvest	optional	yes	GET (KVP) / POST (XML) / SOAP
Transaction	optional	yes	POST (XML) / SOAP

Note

Asynchronous processing supported for GetRecords and Harvest requests (via csw:ResponseHandler)

Supported Output Formats

• XML (default)
• JSON

Supported Filters

Full Text

• csw:AnyText

Geometry Operands

• gml:Point
• gml:LineString
• gml:Polygon
• gml:Envelope

Note

Coordinate transformations are supported

Spatial Operators

• BBOX
• Beyond
• Contains
• Crosses
• Disjoint
• DWithin
• Equals
• Intersects
• Overlaps
• Touches
• Within

Logical Operators

• Between
• EqualTo
• LessThanEqualTo
• GreaterThan
• Like
• LessThan
• GreaterThanEqualTo
• NotEqualTo
• NullCheck

Functions

• length
• lower
• ltrim
• rtrim
• trim
• upper