Introduction

pycsw is an OGC API - Records and OGC CSW server implementation written in Python.

Features

Standards Support

Standard

Version(s)

OGC API - Records - Part 1: Core

1.0

OGC API - Features - Part 3: Filtering

draft

OGC API - Features - Part 4: Create, Replace, Update and Delete

draft

OGC CSW

2.0.2/3.0.0

OGC Filter

1.1.0/2.0.0

OGC OWS Common

1.0.0/2.0.0

OGC GML

3.1.1

OGC SFSQL

1.2.1

OGC GeoRSS

1.0

Dublin Core

1.1

SOAP

1.2

ISO 19115

2003

ISO 19139

2007

ISO 19119

2005

NASA DIF

9.7

FGDC CSDGM

1998

GM03

2.1

SRU

1.1

OGC OpenSearch

1.0

OAI-PMH

2.0

DataCite

4.3

OGC API - Records support

  • Part 1: Core

OGC API - Features support

  • Part 3: Filtering

  • Part 4: Create, Replace, Update and Delete

CQL

  • Common Query Language (CQL2)

Supported Output Formats

  • JSON (default)

  • XML

Supported Filters

  • q

  • datetime

  • filter / filter-lang (CQL)

  • bbox

  • all properties (property=value)

Paging

  • limit

  • offset

CSW Support

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

UnHarvest

optional

no

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 using CSW

Supported Output Formats

  • XML (default)

  • JSON

Supported Output Schemas

  • Dublin Core

  • ISO 19139

  • FGDC CSDGM

  • NASA DIF

  • Atom

  • GM03

  • DataCite

Supported Sorting Functionality

  • ogc:SortBy

  • ascending or descending

  • aspatial (queryable properties)

  • spatial (geometric area)

Supported Filters

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

OAI-PMH Support

Supported Operations

  • GetRecord

  • Identify

  • ListIdentifiers

  • ListMetadataFormats

  • ListRecords

  • ListSets

Supported Filters

  • from

  • until

  • set

Paging

  • resumptionToken