Introduction

pycsw is an OGC CSW server implementation written in Python.

Features

  • certified OGC Compliant and OGC Reference Implementation
  • harvesting support for WMS, WFS, WCS, WPS, WAF, CSW, SOS
  • 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 Full Text Search capabilities
  • implements OGC OpenSearch Geo and Time Extensions
  • implements Open Archives Initiative Protocol for Metadata Harvesting
  • supports ISO, Dublin Core, DIF, FGDC and Atom metadata models
  • CGI or WSGI deployment
  • simple configuration
  • transactional capabilities (CSW-T)
  • flexible repository configuration
  • GeoNode connectivity
  • Open Data Catalog connectivity
  • CKAN connectivity
  • 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
OGC OpenSearch 1.0
OAI-PMH 2.0

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)

Note

Supported Harvest Resource Types are listed in Transactions

Supported Output Formats

  • XML (default)
  • JSON

Supported Output Schemas

  • Dublin Core
  • ISO 19139
  • FGDC CSDGM
  • NASA DIF
  • Atom

Supported Sorting Functionality

  • ogc:SortBy
  • ascending or descending
  • aspatial (queryable properties)
  • spatial (geometric area)

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