Postgis provider support (#72)

* 	new file:   docker/Dockerfile
Dockerfile for pygeoapi

* testing postgis on travis

* testing 9.6

* install postgis as package

* create database

* postgis dataset - travis

* missing path

* 	modified:   tests/data/hotosm_bdi_waterways.sql.gz

Change in name of dataset

* postgresql code

* 	modified:   pygeoapi/provider/postgresql.py
update with origin

* Postgresql working provider, typo in geopackage

* update to travis. Change on gpkg

* missing dep (psycopg2)

* pytest

* problem with operator in travis

* ProviderConnectionError implementation

* postgresql with schema support

* Changes requested by @tomkralidis

* missing pygeoapi-config.yml

* delete openapi.yml

deleted openapi.yml

.travis.yml

@@ -8,10 +8,17 @@ python:
 
 services:
   - elasticsearch
+  - postgresql
+
+addons:
+  postgresql: 9.6
+
 
 before_install:
   - sudo apt-get -qq update
   - sudo apt-get install -y libsqlite3-mod-spatialite pandoc devscripts
+  - sudo apt-get install -y postgresql-9.6-postgis-2.4
+
 
 install:
   - pip install -r requirements.txt
@@ -25,6 +32,9 @@ before_script:
   - sleep 20
   - python tests/load_es_data.py tests/data/ne_110m_populated_places_simple.geojson
   - pygeoapi generate-openapi-document -c pygeoapi-config.yml > pygeoapi-openapi.yml
+  - psql -U postgres -c 'create database test'
+  - psql -U postgres -d test -c 'create extension postgis'
+  - gunzip < tests/data/hotosm_bdi_waterways.sql.gz | psql -U postgres test
 
 script:
   - pytest --cov=pygeoapi

docker/Dockerfile

@@ -0,0 +1,26 @@
+FROM frolvlad/alpine-python3
+
+RUN apk update && apk add --no-cache \
+   git \
+   python3-dev \ 
+   libffi \
+   libffi-dev \
+   musl-dev \
+   gcc \
+   openssl-dev \
+   g++
+
+
+RUN git clone https://github.com/geopython/pygeoapi.git
+
+ENV PYGEOAPI_CONFIG=/pygeoapi/local.yml
+
+WORKDIR /pygeoapi
+RUN pip3 install -r requirements.txt
+RUN pip3 install -r requirements-dev.txt
+RUN pip3 install -e .
+RUN cp pygeoapi-config.yml local.yml
+#export PYGEOAPI_CONFIG=`pwd`/local.yml
+
+ENTRYPOINT ["/usr/bin/python3", "/pygeoapi/pygeoapi/app.py"]
+

pygeoapi-config.yml

@@ -190,4 +190,39 @@ datasets:
             data: tests/data/poi_portugal.gpkg
             id_field: osm_id
             table: poi_portugal
+
+    hotosm_bdi_waterways:
+        title: Waterways of Burundi
+        description: Waterways of Burundi, Africa. Dataset timestamp  1st Sep 2018 - Humanitarian OpenStreetMap Team (HOT)
+        keywords:
+            - Burundi
+            - Waterways
+            - Africa
+            - OSM
+            - HOT
+        crs:
+            - CRS84
+        links:
+            - type: text/html
+              rel: canonical
+              title: information
+              href: https://data.humdata.org/dataset/hotosm_bdi_waterways
+              hreflang: en-US
+        extents:
+            spatial:
+                bbox: [28.9845376683957 -4.48174334765485,30.866396969019 -2.3096796]
+            temporal:
+                begin: None
+                end: now  # or empty
+        provider: 
+            name: PostgreSQL
+            data: 
+                host: 127.0.0.1
+                dbname: test 
+                user: postgres
+                password: postgres
+                port: 5432
+                schema: public 
+            id_field: osm_id 
+            table: hotosm_bdi_waterways
 

pygeoapi/provider/__init__.py

@@ -37,6 +37,7 @@
     'Elasticsearch': 'pygeoapi.provider.elasticsearch_.ElasticsearchProvider',
     'GeoJSON': 'pygeoapi.provider.geojson.GeoJSONProvider',
     'GeoPackage': 'pygeoapi.provider.geopackage.GeoPackageProvider',
+    'PostgreSQL': 'pygeoapi.provider.postgresql.PostgreSQLProvider',
     'SQLite': 'pygeoapi.provider.sqlite.SQLiteProvider'
 }
 

pygeoapi/provider/geopackage.py

@@ -97,8 +97,7 @@ def __response_feature_collection(self):
 
     def __response_feature_hits(self, hits):
         """Assembles GeoJSON/Feature number
-        e,g: http://localhost:5000/poi/items?
-        limit=1&resulttype=hits
+        e,g: http://localhost:5000/collections/poi/items?resulttype=hits
 
         :returns: GeoJSON FeaturesCollection
         """