def test1(self):
d = QgsVirtualLayerDefinition()
self.assertEqual(d.toString(), "")
d.setFilePath("/file")
self.assertEqual(d.toString(), "file:///file")
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(d.toUrl()).filePath(), "/file")
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(d.toString())).filePath(), "/file")
d.setFilePath(os.path.join('C:/', 'file'))
self.assertEqual(d.toString(), "file:///C:/file")
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(d.toUrl()).filePath(), os.path.join('C:/', 'file'))
d.setQuery("SELECT * FROM mytable")
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(d.toUrl()).query(), "SELECT * FROM mytable")
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(d.toString())).query(), "SELECT * FROM mytable")
q = u"SELECT * FROM tableéé /*:int*/"
d.setQuery(q)
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(d.toUrl()).query(), q)
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(d.toString())).query(), q)
s1 = u"file://foo&bar=okié"
d.addSource("name", s1, "provider", "utf8")
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(d.toUrl()).sourceLayers()[0].source(), s1)
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(d.toString())).sourceLayers()[0].source(), s1)
n1 = u"éé ok"
d.addSource(n1, s1, "provider")
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(d.toUrl()).sourceLayers()[1].name(), n1)
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(d.toString())).sourceLayers()[1].name(), n1)
d.addSource("ref1", "id0001")
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(d.toUrl()).sourceLayers()[2].reference(), "id0001")
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(d.toString())).sourceLayers()[2].reference(), "id0001")
s = "dbname='C:\\tt' table=\"test\" (geometry) sql="
d.addSource("nn", s, "spatialite")
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(d.toUrl()).sourceLayers()[3].source(), s)
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(d.toString())).sourceLayers()[3].source(), s)
d.setGeometryField("geom")
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(d.toUrl()).geometryField(), "geom")
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(d.toString())).geometryField(), "geom")
d.setGeometryWkbType(QgsWKBTypes.Point)
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(d.toUrl()).geometryWkbType(), QgsWKBTypes.Point)
self.assertEqual(QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(d.toString())).geometryWkbType(), QgsWKBTypes.Point)
f = QgsFields()
f.append(QgsField("a", QVariant.Int))
f.append(QgsField("f", QVariant.Double))
f.append(QgsField("s", QVariant.String))
d.setFields(f)
f2 = QgsVirtualLayerDefinition.fromUrl(d.toUrl()).fields()
self.assertEqual(f[0].name(), f2[0].name())
self.assertEqual(f[0].type(), f2[0].type())
self.assertEqual(f[1].name(), f2[1].name())
self.assertEqual(f[1].type(), f2[1].type())
self.assertEqual(f[2].name(), f2[2].name())
self.assertEqual(f[2].type(), f2[2].type())
def getQueryGeometryName(sqlite_file):
# introspect the file
with sqlite3_connection(sqlite_file) as conn:
c = conn.cursor()
for r in c.execute("SELECT url FROM _meta"):
d = QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(r[0]))
if d.hasDefinedGeometry():
return d.geometryField()
return None
def remote_open_from_qgis(uri):
"""Opens a remote URL using QGIS proxy preferences"""
reply, is_ok = _sync_get(QUrl.fromEncoded(bytes(uri, "utf8")))
if not is_ok:
raise RuntimeError("Network problem when downloading {}".format(uri))
redirect = reply.attribute(QNetworkRequest.RedirectionTargetAttribute)
# Handle HTTP 302 redirections
while redirect is not None and not redirect.isEmpty():
reply, is_ok = _sync_get(redirect)
if not is_ok:
raise RuntimeError("Network problem when downloading {}".format(uri))
redirect = reply.attribute(QNetworkRequest.RedirectionTargetAttribute)
r = bytes(reply.readAll())
reply.close()
return BytesIO(r)
def strToUrl(s):
if sys.version_info.major == 3:
return QUrl.fromEncoded(bytes(s, "utf8"))
else:
return QUrl.fromEncoded(s)
def strToUrl(s):
return QUrl.fromEncoded(bytes(s, "utf8"))
def strToUrl(s):
return QUrl.fromEncoded(bytes(s, "utf8"))
def strToUrl(s):
if sys.version_info.major == 3:
return QUrl.fromEncoded(bytes(s, "utf8"))
else:
return QUrl.fromEncoded(s)
def test1(self):
d = QgsVirtualLayerDefinition()
self.assertEqual(d.toString(), "")
d.setFilePath("/file")
self.assertEqual(d.toString(), "file:///file")
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(d.toUrl()).filePath(), "/file")
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(
d.toString())).filePath(), "/file")
d.setFilePath(os.path.join('C:/', 'file'))
self.assertEqual(d.toString(), "file:///C:/file")
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(d.toUrl()).filePath(),
os.path.join('C:/', 'file'))
d.setQuery("SELECT * FROM mytable")
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(d.toUrl()).query(),
"SELECT * FROM mytable")
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(
d.toString())).query(), "SELECT * FROM mytable")
q = u"SELECT * FROM tableéé /*:int*/"
d.setQuery(q)
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(d.toUrl()).query(), q)
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(
d.toString())).query(), q)
s1 = u"file://foo&bar=okié"
d.addSource("name", s1, "provider", "utf8")
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(
d.toUrl()).sourceLayers()[0].source(), s1)
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(
d.toString())).sourceLayers()[0].source(), s1)
n1 = u"éé ok"
d.addSource(n1, s1, "provider")
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(
d.toUrl()).sourceLayers()[1].name(), n1)
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(
d.toString())).sourceLayers()[1].name(), n1)
d.addSource("ref1", "id0001")
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(
d.toUrl()).sourceLayers()[2].reference(), "id0001")
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(
d.toString())).sourceLayers()[2].reference(), "id0001")
s = "dbname='C:\\tt' table=\"test\" (geometry) sql="
d.addSource("nn", s, "spatialite")
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(
d.toUrl()).sourceLayers()[3].source(), s)
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(
d.toString())).sourceLayers()[3].source(), s)
d.setGeometryField("geom")
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(d.toUrl()).geometryField(),
"geom")
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(
d.toString())).geometryField(), "geom")
d.setGeometryWkbType(QgsWKBTypes.Point)
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(d.toUrl()).geometryWkbType(),
QgsWKBTypes.Point)
self.assertEqual(
QgsVirtualLayerDefinition.fromUrl(QUrl.fromEncoded(
d.toString())).geometryWkbType(), QgsWKBTypes.Point)
f = QgsFields()
f.append(QgsField("a", QVariant.Int))
f.append(QgsField("f", QVariant.Double))
f.append(QgsField("s", QVariant.String))
d.setFields(f)
f2 = QgsVirtualLayerDefinition.fromUrl(d.toUrl()).fields()
self.assertEqual(f[0].name(), f2[0].name())
self.assertEqual(f[0].type(), f2[0].type())
self.assertEqual(f[1].name(), f2[1].name())
self.assertEqual(f[1].type(), f2[1].type())
self.assertEqual(f[2].name(), f2[2].name())
self.assertEqual(f[2].type(), f2[2].type())
