add 'internal' pyspatialite

git-svn-id: http://svn.osgeo.org/qgis/trunk@15015 c8812cc2-4d05-0410-92ff-de0c093fc19c

python/CMakeLists.txt

@@ -1,6 +1,8 @@
 SUBDIRS(plugins)
 
 IF (WITH_INTERNAL_SPATIALITE)
+  SUBDIRS(pyspatialite)
+
   INCLUDE_DIRECTORIES(
     ../src/core/spatialite/headers
     ../src/core/spatialite/headers/spatialite

python/pyspatialite/CMakeLists.txt

@@ -0,0 +1,51 @@
+INCLUDE_DIRECTORIES(
+  ../../src/core/spatialite/headers
+  ../../src/core/spatialite/headers/spatialite
+
+  ${PYTHON_INCLUDE_PATH}
+  ${GEOS_INCLUDE_DIR}
+  ${PROJ_INCLUDE_DIR}
+)
+
+SET(PYSPATIALITE_SRC
+	src/cache.c
+	src/connection.c
+	src/cursor.c
+	src/microprotocols.c
+	src/module.c
+	src/prepare_protocol.c
+	src/row.c
+	src/statement.c
+	src/util.c
+)
+
+ADD_DEFINITIONS(-DMODULE_NAME=\\\"spatialite.dbapi2\\\")
+
+IF (CYGWIN OR APPLE)
+  ADD_LIBRARY(pyspatialite MODULE ${PYSPATIALITE_SRC})
+ELSE (CYGWIN OR APPLE)
+  ADD_LIBRARY(pyspatialite SHARED ${PYSPATIALITE_SRC})
+ENDIF (CYGWIN OR APPLE)
+
+IF (NOT APPLE)
+  TARGET_LINK_LIBRARIES(pyspatialite ${PYTHON_LIBRARY})
+ENDIF (NOT APPLE)
+
+TARGET_LINK_LIBRARIES(pyspatialite ${EXTRA_LINK_LIBRARIES})
+
+IF (APPLE)
+  SET_TARGET_PROPERTIES(pyspatialite PROPERTIES LINK_FLAGS "-undefined dynamic_lookup")
+ENDIF (APPLE)
+
+SET_TARGET_PROPERTIES(pyspatialite PROPERTIES PREFIX "" OUTPUT_NAME _spatialite)
+
+IF (WIN32)
+  SET_TARGET_PROPERTIES(pyspatialite PROPERTIES SUFFIX ".pyd")
+ENDIF (WIN32)
+
+INSTALL(TARGETS pyspatialite DESTINATION "${PYTHON_SITE_PACKAGES_DIR}/pyspatialite")
+INSTALL(FILES
+	lib/__init__.py
+	lib/dbapi2.py
+	lib/dump.py
+	DESTINATION "${PYTHON_SITE_PACKAGES_DIR}/pyspatialite")

python/pyspatialite/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2004-2007 Gerhard Häring
+
+This software is provided 'as-is', without any express or implied warranty. In
+no event will the authors be held liable for any damages arising from the use
+of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it freely,
+subject to the following restrictions:
+
+    1. The origin of this software must not be misrepresented; you must not
+       claim that you wrote the original software. If you use this software in
+       a product, an acknowledgment in the product documentation would be
+       appreciated but is not required.
+
+    2. Altered source versions must be plainly marked as such, and must not be
+       misrepresented as being the original software.
+
+    3. This notice may not be removed or altered from any source distribution.

python/pyspatialite/lib/__init__.py

@@ -0,0 +1,22 @@
+#-*- coding: ISO-8859-1 -*-
+# pysqlite2/__init__.py: the pysqlite2 package.
+#
+# Copyright (C) 2005-2007 Gerhard Häring <gh@ghaering.de>
+#
+# This file is part of pysqlite.
+#
+# This software is provided 'as-is', without any express or implied
+# warranty.  In no event will the authors be held liable for any damages
+# arising from the use of this software.
+#
+# Permission is granted to anyone to use this software for any purpose,
+# including commercial applications, and to alter it and redistribute it
+# freely, subject to the following restrictions:
+#
+# 1. The origin of this software must not be misrepresented; you must not
+#    claim that you wrote the original software. If you use this software
+#    in a product, an acknowledgment in the product documentation would be
+#    appreciated but is not required.
+# 2. Altered source versions must be plainly marked as such, and must not be
+#    misrepresented as being the original software.
+# 3. This notice may not be removed or altered from any source distribution.

python/pyspatialite/lib/dbapi2.py

@@ -0,0 +1,88 @@
+#-*- coding: ISO-8859-1 -*-
+# pyspatialite/dbapi2.py: the DB-API 2.0 interface
+#
+# Copyright (C) 2004-2007 Gerhard Häring <gh@ghaering.de>
+#
+# This file is part of pysqlite.
+#
+# This software is provided 'as-is', without any express or implied
+# warranty.  In no event will the authors be held liable for any damages
+# arising from the use of this software.
+#
+# Permission is granted to anyone to use this software for any purpose,
+# including commercial applications, and to alter it and redistribute it
+# freely, subject to the following restrictions:
+#
+# 1. The origin of this software must not be misrepresented; you must not
+#    claim that you wrote the original software. If you use this software
+#    in a product, an acknowledgment in the product documentation would be
+#    appreciated but is not required.
+# 2. Altered source versions must be plainly marked as such, and must not be
+#    misrepresented as being the original software.
+# 3. This notice may not be removed or altered from any source distribution.
+
+import datetime
+import time
+
+from pyspatialite._spatialite import *
+
+paramstyle = "qmark"
+
+threadsafety = 1
+
+apilevel = "2.0"
+
+Date = datetime.date
+
+Time = datetime.time
+
+Timestamp = datetime.datetime
+
+def DateFromTicks(ticks):
+    return Date(*time.localtime(ticks)[:3])
+
+def TimeFromTicks(ticks):
+    return Time(*time.localtime(ticks)[3:6])
+
+def TimestampFromTicks(ticks):
+    return Timestamp(*time.localtime(ticks)[:6])
+
+version_info = tuple([int(x) for x in version.split(".")])
+sqlite_version_info = tuple([int(x) for x in sqlite_version.split(".")])
+
+Binary = buffer
+
+def register_adapters_and_converters():
+    def adapt_date(val):
+        return val.isoformat()
+
+    def adapt_datetime(val):
+        return val.isoformat(" ")
+
+    def convert_date(val):
+        return datetime.date(*map(int, val.split("-")))
+
+    def convert_timestamp(val):
+        datepart, timepart = val.split(" ")
+        year, month, day = map(int, datepart.split("-"))
+        timepart_full = timepart.split(".")
+        hours, minutes, seconds = map(int, timepart_full[0].split(":"))
+        if len(timepart_full) == 2:
+            microseconds = int(timepart_full[1])
+        else:
+            microseconds = 0
+
+        val = datetime.datetime(year, month, day, hours, minutes, seconds, microseconds)
+        return val
+
+
+    register_adapter(datetime.date, adapt_date)
+    register_adapter(datetime.datetime, adapt_datetime)
+    register_converter("date", convert_date)
+    register_converter("timestamp", convert_timestamp)
+
+register_adapters_and_converters()
+
+# Clean up namespace
+
+del(register_adapters_and_converters)

python/pyspatialite/lib/dump.py

@@ -0,0 +1,63 @@
+# Mimic the sqlite3 console shell's .dump command
+# Author: Paul Kippes <kippesp@gmail.com>
+
+def _iterdump(connection):
+    """
+    Returns an iterator to the dump of the database in an SQL text format.
+
+    Used to produce an SQL dump of the database.  Useful to save an in-memory
+    database for later restoration.  This function should not be called
+    directly but instead called from the Connection method, iterdump().
+    """
+
+    cu = connection.cursor()
+    yield('BEGIN TRANSACTION;')
+
+    # sqlite_master table contains the SQL CREATE statements for the database.
+    q = """
+        SELECT name, type, sql
+        FROM sqlite_master
+            WHERE sql NOT NULL AND
+            type == 'table'
+        """
+    schema_res = cu.execute(q)
+    for table_name, type, sql in schema_res.fetchall():
+        if table_name == 'sqlite_sequence':
+            yield('DELETE FROM sqlite_sequence;')
+        elif table_name == 'sqlite_stat1':
+            yield('ANALYZE sqlite_master;')
+        elif table_name.startswith('sqlite_'):
+            continue
+        # NOTE: Virtual table support not implemented
+        #elif sql.startswith('CREATE VIRTUAL TABLE'):
+        #    qtable = table_name.replace("'", "''")
+        #    yield("INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)"\
+        #        "VALUES('table','%s','%s',0,'%s');" %
+        #        qtable,
+        #        qtable,
+        #        sql.replace("''"))
+        else:
+            yield('%s;' % sql)
+
+        # Build the insert statement for each row of the current table
+        res = cu.execute("PRAGMA table_info('%s')" % table_name)
+        column_names = [str(table_info[1]) for table_info in res.fetchall()]
+        q = "SELECT 'INSERT INTO \"%(tbl_name)s\" VALUES("
+        q += ",".join(["'||quote(" + col + ")||'" for col in column_names])
+        q += ")' FROM '%(tbl_name)s'"
+        query_res = cu.execute(q % {'tbl_name': table_name})
+        for row in query_res:
+            yield("%s;" % row[0])
+
+    # Now when the type is 'index', 'trigger', or 'view'
+    q = """
+        SELECT name, type, sql
+        FROM sqlite_master
+            WHERE sql NOT NULL AND
+            type IN ('index', 'trigger', 'view')
+        """
+    schema_res = cu.execute(q)
+    for name, type, sql in schema_res.fetchall():
+        yield('%s;' % sql)
+
+    yield('COMMIT;')