Project structure for PGXN

Author: sim51

META.json

@@ -0,0 +1,46 @@
+{
+   "name": "neo4j-fdw",
+   "abstract": "PostgreSQL foreign data wrapper for Neo4j Graph Database",
+   "description": "Neo4j multicorn foreign data wrapper extension for PostgreSQL",
+   "version": "@@VERSION@@",
+   "maintainer": [
+     "Benoit Simard <[email protected]>"
+   ],
+   "license": "GPL3",
+   "prereqs": {
+      "runtime": {
+         "requires": {
+            "Python": "2.6.0",
+            "PostgreSQL": "9.1.0"
+         }
+      }
+   },
+   "provides": {
+     "neo4jPg": {
+       "abstract": "PostgreSQL foreign data wrapper for Neo4j Graph Database",
+       "file": "sql/neo4j-fdw.sql",
+       "docfile": "./README.adoc",
+       "version": "@@VERSION@@"
+     }
+   },
+   "resources": {
+      "bugtracker": {
+         "web": "http://github.com/sim51/neo4j-fdw/issues/"
+      },
+      "repository": {
+        "url":  "git://github.com/sim51/neo4j-fdw.git",
+        "web":  "http://github.com/sim51/neo4j-fdw/",
+        "type": "git"
+      }
+   },
+   "generated_by": "Benoit Simard",
+   "meta-spec": {
+      "version": "1.0.0",
+      "url": "http://pgxn.org/meta/spec.txt"
+   },
+   "tags": [
+      "neo4j",
+      "multicorn",
+      "foreign data wrapper"
+   ]
+}

Makefile

@@ -1,9 +1,13 @@
-MODULE_NAME = neo4j-fdw
-PYTHON ?= python
-PKGDIR = $$($(PYTHON) -c "import site; print(site.getsitepackages()[0])")
-NAME = $$($(PYTHON) setup.py --name)
-VERSION = $$($(PYTHON) setup.py --version)
-PYVERSION = $$($(PYTHON) -c "import sys; print(sys.version[:3])")
+MODULE_NAME    = neo4j-fdw
+NAME           = $$($(PYTHON) setup.py --name)
+EXTVERSION        = $(shell grep default_version ./$(MODULE_NAME).control | sed -e "s/default_version[[:space:]]*=[[:space:]]*'\([^']*\)'/\1/")
+DATA           =  $(filter-out $(wildcard sql/*--*.sql),$(wildcard sql/*.sql))
+DOCS           = README.adoc
+MODULEDIR      = neo4j-fdw
+
+PYTHON        ?= python
+PKGDIR        = $$($(PYTHON) -c "import site; print(site.getsitepackages()[0])")
+PYVERSION     = $$($(PYTHON) -c "import sys; print(sys.version[:3])")
 
 .PHONY: all install test uninstall clean
 
@@ -12,11 +16,19 @@ all: install
 test:
 	@./scripts/test.sh
 
-install:
-	@$(PYTHON) setup.py install
+install: python_code
 
-uninstall:
-	@rm -f $(PKGDIR)/$(NAME)-$(VERSION)-py$(PYVERSION).egg
+python_code: setup.py
+	cp ./setup.py ./setup--$(EXTVERSION).py
+	sed -i -e "s/@@VERSION@@/$(EXTVERSION)-dev/g" ./setup--$(EXTVERSION).py
+	$(PYTHON) ./setup--$(EXTVERSION).py install
+	rm ./setup--$(EXTVERSION).py
 
 clean:
 	@$(PYTHON) setup.py clean
+	@rm -f $(PKGDIR)/$(NAME)-$(EXTVERSION)-py$(PYVERSION).egg
+
+
+PG_CONFIG = pg_config
+PGXS := $(shell $(PG_CONFIG) --pgxs)
+include $(PGXS)

neo4j-fdw.control

@@ -0,0 +1,4 @@
+comment = 'Neo4j multicorn foreign data wrapper extension for PostgreSQL'
+default_version = '1.1.0'
+module_pathname = '$libdir/neo4jPg'
+relocatable = true

neo4jPg/__init__.py

@@ -2,4 +2,4 @@
 __email__   = "[email protected]"
 __url__     = "https://github.com/sim51/neo4j-fdw"
 __package__ = "neo4jPg"
-__version__ = "3.5"
+__version__ = '@@VERSION@@'

setup.py

@@ -3,8 +3,7 @@
 
 setup(
       name             = neo4jPg.__package__,
-      version          = neo4jPg.__version__,
-      description      = "",
+      version          = "@@VERSION@@",
       author           = neo4jPg.__author__,
       author_email     = neo4jPg.__email__,
       url              = neo4jPg.__url__,

sql/neo4j-fdw.sql

@@ -0,0 +1,27 @@
+CREATE EXTENSION multicorn;
+
+CREATE EXTENSION plpythonu;
+
+CREATE OR REPLACE FUNCTION cypher(query text) RETURNS SETOF json
+LANGUAGE plpythonu
+AS $$
+from neo4jPg import neo4jPGFunction
+for result in neo4jPGFunction.cypher_default_server(plpy, query, '{}'):
+    yield result
+$$;
+
+CREATE OR REPLACE FUNCTION cypher(query text, params text) RETURNS SETOF json
+LANGUAGE plpythonu
+AS $$
+from neo4jPg import neo4jPGFunction
+for result in neo4jPGFunction.cypher_default_server(plpy, query, params):
+    yield result
+$$;
+
+CREATE OR REPLACE FUNCTION cypher(query text, params text, server text) RETURNS SETOF json
+LANGUAGE plpythonu
+AS $$
+from neo4jPg import neo4jPGFunction
+for result in neo4jPGFunction.cypher_with_server(plpy, query, params, server):
+    yield result
+$$;