pgsql2gist 0.3.0

目标

创建一个类似于pgsql2shp的命令行实用程序，但其输出应该是 一个匿名私人主旨的链接。gist链接应该利用github的 呈现geojson/topojson，例如呈现地图。

有关要实现的其他功能，请参见问题。

当前使用/注意事项

下面列出了–帮助用法信息。

POST GeoJSON or TopoJSON features from PostGIS to a Github Gist.

Example usage: pgsql2gist --host localhost --user matt tilestache \
               "SELECT name, ST_AsGeoJSON(geom) AS geometry FROM neighborhoods LIMIT 5;"

Current SELECT Statement Requirements:
 - Geometry must be in EPSG:4326 WGS84 coordinate system
 - Geometry must be wrapped in ST_AsGeoJSON(), ST_AsTopoJSON()

usage: pgsql2gist [-f FILE] [-d DESCRIPTION] [-h HOST] [-p PORT] [-P PASSWORD]
                  [-u USER] [-g GEOM_COL] [-t TOPOLOGY_LAYER] [-v] [-?]
                  database SELECT

positional arguments:
  database              PostGIS database name.
  SELECT                SELECT Statement. NOTE: Geometry must be WGS84;
                        wrapped in ST_AsGeoJSON() or AsTopoJSON().

optional arguments:
  -f FILE, --file FILE  Filename. NOTE: Must end in 'geojson' or 'topojson'
                        extension. (default: upload.geojson)
  -d DESCRIPTION, --description DESCRIPTION
                        Description of upload (default: File uploaded using
                        pgsql2gist.)
  -h HOST, --host HOST  PostGIS database hostname. (default: None)
  -p PORT, --port PORT  PostGIS database port. (default: 5432)
  -P PASSWORD, --password PASSWORD
                        PostGIS user password. (default: None)
  -u USER, --user USER  PostGIS database user. (default: postgres)
  -g GEOM_COL, --geom-col GEOM_COL
                        Geometry column name as defined in SELECT statement.
                        (default: geometry)
  -t TOPOLOGY_LAYER, --topology-layer TOPOLOGY_LAYER
                        For TopoJSON Queries; Name of Topology Layer (default:
                        None)
  -v, --verbose         Verbose output. (default: False)
  -?, --help

资源

gist api:（http://developer.github.com/v3/gists/）

谢谢

db上下文管理器背后的spiffy思想来自migurski的awesome tilestache 地图服务器。http://tilestache.org