Python QgsDataSourceUri.password方法代码示例

# 需要导入模块: from qgis.core import QgsDataSourceUri [as 别名]
# 或者: from qgis.core.QgsDataSourceUri import password [as 别名]
    def addConnectionConfig(cls, conn_name, uri):
        """Necessary to allow db_manager to have the list of connections get from settings."""
        uri = QgsDataSourceUri(uri)

        settings = QgsSettings()
        baseKey = "/PostgreSQL/connections/"
        baseKey += conn_name
        settings.setValue(baseKey + "/service", uri.service())
        settings.setValue(baseKey + "/host", uri.host())
        settings.setValue(baseKey + "/port", uri.port())
        settings.setValue(baseKey + "/database", uri.database())
        if uri.username():
            settings.setValue(baseKey + "/username", uri.username())
        if uri.password():
            settings.setValue(baseKey + "/password", uri.password())
        if uri.authConfigId():
            settings.setValue(baseKey + "/authcfg", uri.authConfigId())
        if uri.sslMode():
            settings.setValue(baseKey + "/sslmode", uri.sslMode())

# 需要导入模块: from qgis.core import QgsDataSourceUri [as 别名]
# 或者: from qgis.core.QgsDataSourceUri import password [as 别名]
def getConnectionParameterFromDbLayer(layer: QgsMapLayer) -> Dict[str,str]:
    '''
    Get connection parameters
    from the layer datasource
    '''
    connectionParams = None

    if layer.providerType() == 'postgres':
        dbType = 'postgis'
    else:
        dbType = 'spatialite'

    src = layer.source()
    try:
        uri = QgsDataSourceUri(src)
    except:
        uri = QgsDataSourceURI(src)

    # TODO Use immutable namedtuple
    connectionParams = {
        'service' : uri.service(),
        'dbname' : uri.database(),
        'host' : uri.host(),
        'port': uri.port(),
        'user' : uri.username(),
        'password': uri.password(),
        'sslmode' : uri.sslMode(),
        'key': uri.keyColumn(),
        'estimatedmetadata' : str(uri.useEstimatedMetadata()),
        'checkPrimaryKeyUnicity' : '',
        'srid' : uri.srid(),
        'type': uri.wkbType(),
        'schema': uri.schema(),
        'table' : uri.table(),
        'geocol' : uri.geometryColumn(),
        'sql' : uri.sql(),
        'dbType': dbType
    }

    return connectionParams

# 需要导入模块: from qgis.core import QgsDataSourceUri [as 别名]
# 或者: from qgis.core.QgsDataSourceUri import password [as 别名]
    def toMapLayer(self):
        from qgis.core import QgsRasterLayer, QgsContrastEnhancement, QgsDataSourceUri, QgsCredentials

        rl = QgsRasterLayer(self.gdalUri(), self.name)
        if not rl.isValid():
            err = rl.error().summary()
            uri = QgsDataSourceUri(self.database().uri())
            conninfo = uri.connectionInfo(False)
            username = uri.username()
            password = uri.password()

            for i in range(3):
                (ok, username, password) = QgsCredentials.instance().get(conninfo, username, password, err)
                if ok:
                    uri.setUsername(username)
                    uri.setPassword(password)
                    rl = QgsRasterLayer(self.gdalUri(uri), self.name)
                    if rl.isValid():
                        break

        if rl.isValid():
            rl.setContrastEnhancement(QgsContrastEnhancement.StretchToMinimumMaximum)
        return rl

# 需要导入模块: from qgis.core import QgsDataSourceUri [as 别名]
# 或者: from qgis.core.QgsDataSourceUri import password [as 别名]
class GeoDB(object):

    @classmethod
    def from_name(cls, conn_name):
        uri = uri_from_name(conn_name)
        return cls(uri=uri)

    def __init__(self, host=None, port=None, dbname=None, user=None,
                 passwd=None, service=None, uri=None):
        # Regular expression for identifiers without need to quote them
        self.re_ident_ok = re.compile(r"^\w+$")
        port = str(port)

        if uri:
            self.uri = uri
        else:
            self.uri = QgsDataSourceUri()
            if service:
                self.uri.setConnection(service, dbname, user, passwd)
            else:
                self.uri.setConnection(host, port, dbname, user, passwd)

        conninfo = self.uri.connectionInfo(False)
        err = None
        for i in range(4):
            expandedConnInfo = self.uri.connectionInfo(True)
            try:
                self.con = psycopg2.connect(expandedConnInfo)
                if err is not None:
                    QgsCredentials.instance().put(conninfo,
                                                  self.uri.username(),
                                                  self.uri.password())
                break
            except psycopg2.OperationalError as e:
                if i == 3:
                    raise QgsProcessingException(str(e))

                err = str(e)
                user = self.uri.username()
                password = self.uri.password()
                (ok, user, password) = QgsCredentials.instance().get(conninfo,
                                                                     user,
                                                                     password,
                                                                     err)
                if not ok:
                    raise QgsProcessingException(QCoreApplication.translate("PostGIS", 'Action canceled by user'))
                if user:
                    self.uri.setUsername(user)
                if password:
                    self.uri.setPassword(password)
            finally:
                # remove certs (if any) of the expanded connectionInfo
                expandedUri = QgsDataSourceUri(expandedConnInfo)

                sslCertFile = expandedUri.param("sslcert")
                if sslCertFile:
                    sslCertFile = sslCertFile.replace("'", "")
                    os.remove(sslCertFile)

                sslKeyFile = expandedUri.param("sslkey")
                if sslKeyFile:
                    sslKeyFile = sslKeyFile.replace("'", "")
                    os.remove(sslKeyFile)

                sslCAFile = expandedUri.param("sslrootcert")
                if sslCAFile:
                    sslCAFile = sslCAFile.replace("'", "")
                    os.remove(sslCAFile)

        self.has_postgis = self.check_postgis()

    def get_info(self):
        c = self.con.cursor()
        self._exec_sql(c, 'SELECT version()')
        return c.fetchone()[0]

    def check_postgis(self):
        """Check whether postgis_version is present in catalog.
        """

        c = self.con.cursor()
        self._exec_sql(c,
                       "SELECT COUNT(*) FROM pg_proc WHERE proname = 'postgis_version'")
        return c.fetchone()[0] > 0

    def get_postgis_info(self):
        """Returns tuple about PostGIS support:
              - lib version
              - installed scripts version
              - released scripts version
              - geos version
              - proj version
              - whether uses stats
        """

        c = self.con.cursor()
        self._exec_sql(c,
                       'SELECT postgis_lib_version(), postgis_scripts_installed(), \
            postgis_scripts_released(), postgis_geos_version(), \
            postgis_proj_version(), postgis_uses_stats()')
#.........这里部分代码省略.........

# 需要导入模块: from qgis.core import QgsDataSourceUri [as 别名]
# 或者: from qgis.core.QgsDataSourceUri import password [as 别名]
    def ogrConnectionStringAndFormatFromLayer(layer):
        provider = layer.dataProvider().name()
        if provider == 'spatialite':
            # dbname='/geodata/osm_ch.sqlite' table="places" (Geometry) sql=
            regex = re.compile("dbname='(.+)'")
            r = regex.search(str(layer.source()))
            ogrstr = r.groups()[0]
            format = 'SQLite'
        elif provider == 'postgres':
            # dbname='ktryjh_iuuqef' host=spacialdb.com port=9999
            # user='ktryjh_iuuqef' password='xyqwer' sslmode=disable
            # key='gid' estimatedmetadata=true srid=4326 type=MULTIPOLYGON
            # table="t4" (geom) sql=
            dsUri = QgsDataSourceUri(layer.dataProvider().dataSourceUri())
            conninfo = dsUri.connectionInfo()
            conn = None
            ok = False
            while not conn:
                try:
                    conn = psycopg2.connect(dsUri.connectionInfo())
                except psycopg2.OperationalError:
                    (ok, user, passwd) = QgsCredentials.instance().get(conninfo, dsUri.username(), dsUri.password())
                    if not ok:
                        break

                    dsUri.setUsername(user)
                    dsUri.setPassword(passwd)

            if not conn:
                raise RuntimeError('Could not connect to PostgreSQL database - check connection info')

            if ok:
                QgsCredentials.instance().put(conninfo, user, passwd)

            ogrstr = "PG:%s" % dsUri.connectionInfo()
            format = 'PostgreSQL'
        elif provider == 'mssql':
            #'dbname=\'db_name\' host=myHost estimatedmetadata=true
            # srid=27700 type=MultiPolygon table="dbo"."my_table"
            # #(Shape) sql='
            dsUri = layer.dataProvider().uri()
            ogrstr = 'MSSQL:'
            ogrstr += 'database={0};'.format(dsUri.database())
            ogrstr += 'server={0};'.format(dsUri.host())
            if dsUri.username() != "":
                ogrstr += 'uid={0};'.format(dsUri.username())
            else:
                ogrstr += 'trusted_connection=yes;'
            if dsUri.password() != '':
                ogrstr += 'pwd={0};'.format(dsUri.password())
            ogrstr += 'tables={0}'.format(dsUri.table())
            format = 'MSSQL'
        elif provider == "oracle":
            # OCI:user/[email protected]:port/service:table
            dsUri = QgsDataSourceUri(layer.dataProvider().dataSourceUri())
            ogrstr = "OCI:"
            if dsUri.username() != "":
                ogrstr += dsUri.username()
                if dsUri.password() != "":
                    ogrstr += "/" + dsUri.password()
                delim = "@"

            if dsUri.host() != "":
                ogrstr += delim + dsUri.host()
                delim = ""
                if dsUri.port() != "" and dsUri.port() != '1521':
                    ogrstr += ":" + dsUri.port()
                ogrstr += "/"
                if dsUri.database() != "":
                    ogrstr += dsUri.database()
            elif dsUri.database() != "":
                ogrstr += delim + dsUri.database()

            if ogrstr == "OCI:":
                raise RuntimeError('Invalid oracle data source - check connection info')

            ogrstr += ":"
            if dsUri.schema() != "":
                ogrstr += dsUri.schema() + "."

            ogrstr += dsUri.table()
            format = 'OCI'
        else:
            ogrstr = str(layer.source()).split("|")[0]
            path, ext = os.path.splitext(ogrstr)
            format = QgsVectorFileWriter.driverForExtension(ext)

        return ogrstr, '"' + format + '"'

# 需要导入模块: from qgis.core import QgsDataSourceUri [as 别名]
# 或者: from qgis.core.QgsDataSourceUri import password [as 别名]
    def ogrConnectionStringAndFormat(uri, context):
        """Generates OGR connection string and format string from layer source
        Returned values are a tuple of the connection string and format string
        """
        ogrstr = None
        format = None

        layer = QgsProcessingUtils.mapLayerFromString(uri, context, False)
        if layer is None:
            path, ext = os.path.splitext(uri)
            format = QgsVectorFileWriter.driverForExtension(ext)
            return '"' + uri + '"', '"' + format + '"'

        provider = layer.dataProvider().name()
        if provider == 'spatialite':
            # dbname='/geodata/osm_ch.sqlite' table="places" (Geometry) sql=
            regex = re.compile("dbname='(.+)'")
            r = regex.search(str(layer.source()))
            ogrstr = r.groups()[0]
            format = 'SQLite'
        elif provider == 'postgres':
            # dbname='ktryjh_iuuqef' host=spacialdb.com port=9999
            # user='ktryjh_iuuqef' password='xyqwer' sslmode=disable
            # key='gid' estimatedmetadata=true srid=4326 type=MULTIPOLYGON
            # table="t4" (geom) sql=
            dsUri = QgsDataSourceUri(layer.dataProvider().dataSourceUri())
            conninfo = dsUri.connectionInfo()
            conn = None
            ok = False
            while not conn:
                try:
                    conn = psycopg2.connect(dsUri.connectionInfo())
                except psycopg2.OperationalError:
                    (ok, user, passwd) = QgsCredentials.instance().get(conninfo, dsUri.username(), dsUri.password())
                    if not ok:
                        break

                    dsUri.setUsername(user)
                    dsUri.setPassword(passwd)

            if not conn:
                raise RuntimeError('Could not connect to PostgreSQL database - check connection info')

            if ok:
                QgsCredentials.instance().put(conninfo, user, passwd)

            ogrstr = "PG:%s" % dsUri.connectionInfo()
            format = 'PostgreSQL'
        elif provider == "oracle":
            # OCI:user/[email protected]:port/service:table
            dsUri = QgsDataSourceUri(layer.dataProvider().dataSourceUri())
            ogrstr = "OCI:"
            if dsUri.username() != "":
                ogrstr += dsUri.username()
                if dsUri.password() != "":
                    ogrstr += "/" + dsUri.password()
                delim = "@"

            if dsUri.host() != "":
                ogrstr += delim + dsUri.host()
                delim = ""
                if dsUri.port() != "" and dsUri.port() != '1521':
                    ogrstr += ":" + dsUri.port()
                ogrstr += "/"
                if dsUri.database() != "":
                    ogrstr += dsUri.database()
            elif dsUri.database() != "":
                ogrstr += delim + dsUri.database()

            if ogrstr == "OCI:":
                raise RuntimeError('Invalid oracle data source - check connection info')

            ogrstr += ":"
            if dsUri.schema() != "":
                ogrstr += dsUri.schema() + "."

            ogrstr += dsUri.table()
            format = 'OCI'
        else:
            ogrstr = str(layer.source()).split("|")[0]
            path, ext = os.path.splitext(ogrstr)
            format = QgsVectorFileWriter.driverForExtension(ext)

        return '"' + ogrstr + '"', '"' + format + '"'

# 需要导入模块: from qgis.core import QgsDataSourceUri [as 别名]
# 或者: from qgis.core.QgsDataSourceUri import password [as 别名]
def ogrConnectionString(uri):
    """Generates OGR connection sting from layer source
    """
    ogrstr = None

    layer = dataobjects.getObjectFromUri(uri, False)
    if layer is None:
        return '"' + uri + '"'
    provider = layer.dataProvider().name()
    if provider == "spatialite":
        # dbname='/geodata/osm_ch.sqlite' table="places" (Geometry) sql=
        regex = re.compile("dbname='(.+)'")
        r = regex.search(str(layer.source()))
        ogrstr = r.groups()[0]
    elif provider == "postgres":
        # dbname='ktryjh_iuuqef' host=spacialdb.com port=9999
        # user='ktryjh_iuuqef' password='xyqwer' sslmode=disable
        # key='gid' estimatedmetadata=true srid=4326 type=MULTIPOLYGON
        # table="t4" (geom) sql=
        dsUri = QgsDataSourceUri(layer.dataProvider().dataSourceUri())
        conninfo = dsUri.connectionInfo()
        conn = None
        ok = False
        while not conn:
            try:
                conn = psycopg2.connect(dsUri.connectionInfo())
            except psycopg2.OperationalError:
                (ok, user, passwd) = QgsCredentials.instance().get(conninfo, dsUri.username(), dsUri.password())
                if not ok:
                    break

                dsUri.setUsername(user)
                dsUri.setPassword(passwd)

        if not conn:
            raise RuntimeError("Could not connect to PostgreSQL database - check connection info")

        if ok:
            QgsCredentials.instance().put(conninfo, user, passwd)

        ogrstr = "PG:%s" % dsUri.connectionInfo()
    elif provider == "oracle":
        # OCI:user/[email protected]:port/service:table
        dsUri = QgsDataSourceUri(layer.dataProvider().dataSourceUri())
        ogrstr = "OCI:"
        if dsUri.username() != "":
            ogrstr += dsUri.username()
            if dsUri.password() != "":
                ogrstr += "/" + dsUri.password()
            delim = "@"

        if dsUri.host() != "":
            ogrstr += delim + dsUri.host()
            delim = ""
            if dsUri.port() != "" and dsUri.port() != "1521":
                ogrstr += ":" + dsUri.port()
            ogrstr += "/"
            if dsUri.database() != "":
                ogrstr += dsUri.database()
        elif dsUri.database() != "":
            ogrstr += delim + dsUri.database()

        if ogrstr == "OCI:":
            raise RuntimeError("Invalid oracle data source - check connection info")

        ogrstr += ":"
        if dsUri.schema() != "":
            ogrstr += dsUri.schema() + "."

        ogrstr += dsUri.table()
    else:
        ogrstr = str(layer.source()).split("|")[0]

    return '"' + ogrstr + '"'