def __init__(self, ds_input, ds_driver=False, write=False, encoding='utf-8'):
# The write flag.
if write:
self._write = 1
else:
self._write = 0
# See also http://trac.osgeo.org/gdal/wiki/rfc23_ogr_unicode
self.encoding = encoding
# Registering all the drivers, this needs to be done
# _before_ we try to open up a data source.
if not capi.get_driver_count():
capi.register_all()
if isinstance(ds_input, six.string_types):
# The data source driver is a void pointer.
ds_driver = Driver.ptr_type()
try:
# OGROpen will auto-detect the data source type.
ds = capi.open_ds(force_bytes(ds_input), self._write, byref(ds_driver))
except OGRException:
# Making the error message more clear rather than something
# like "Invalid pointer returned from OGROpen".
raise OGRException('Could not open the datasource at "%s"' % ds_input)
elif isinstance(ds_input, self.ptr_type) and isinstance(ds_driver, Driver.ptr_type):
ds = ds_input
else:
raise OGRException('Invalid data source input type: %s' % type(ds_input))
if bool(ds):
self.ptr = ds
self.driver = Driver(ds_driver)
else:
# Raise an exception if the returned pointer is NULL
raise OGRException('Invalid data source file "%s"' % ds_input)
def __init__(self, ds_input, ds_driver=False, write=False):
# The write flag.
if write:
self._write = 1
else:
self._write = 0
# Registering all the drivers, this needs to be done
# _before_ we try to open up a data source.
if not capi.get_driver_count():
capi.register_all()
if isinstance(ds_input, six.string_types):
# The data source driver is a void pointer.
ds_driver = Driver.ptr_type()
try:
# OGROpen will auto-detect the data source type.
ds = capi.open_ds(force_bytes(ds_input), self._write, byref(ds_driver))
except OGRException:
# Making the error message more clear rather than something
# like "Invalid pointer returned from OGROpen".
raise OGRException('Could not open the datasource at "%s"' % ds_input)
elif isinstance(ds_input, self.ptr_type) and isinstance(ds_driver, Driver.ptr_type):
ds = ds_input
else:
raise OGRException('Invalid data source input type: %s' % type(ds_input))
if bool(ds):
self.ptr = ds
self.driver = Driver(ds_driver)
else:
# Raise an exception if the returned pointer is NULL
raise OGRException('Invalid data source file "%s"' % ds_input)
def ensure_registered(cls):
"""
Attempts to register all the data source drivers.
"""
# Only register all if the driver count is 0 (or else all drivers
# will be registered over and over again)
if not cls.driver_count():
vcapi.register_all()
rcapi.register_all()
def ensure_registered(cls):
"""
Attempts to register all the data source drivers.
"""
# Only register all if the driver count is 0 (or else all drivers
# will be registered over and over again)
if not cls.driver_count():
vcapi.register_all()
rcapi.register_all()
def ensure_registered(cls):
"""
Attempt to register all the data source drivers.
"""
# Only register all if the driver counts are 0 (or else all drivers
# will be registered over and over again)
if not vcapi.get_driver_count():
vcapi.register_all()
if not rcapi.get_driver_count():
rcapi.register_all()
def ensure_registered(cls):
"""
Attempt to register all the data source drivers.
"""
# Only register all if the driver counts are 0 (or else all drivers
# will be registered over and over again)
if not vcapi.get_driver_count():
vcapi.register_all()
if not rcapi.get_driver_count():
rcapi.register_all()
def __init__(self, ds_input, ds_driver=False, write=False):
# DataSource pointer is initially NULL.
self._ptr = None
# The write flag.
if write:
self._write = 1
else:
self._write = 0
# Registering all the drivers, this needs to be done
# _before_ we try to open up a data source.
if not get_driver_count(): register_all()
if isinstance(ds_input, basestring):
# The data source driver is a void pointer.
ds_driver = c_void_p()
try:
# OGROpen will auto-detect the data source type.
ds = open_ds(ds_input, self._write, byref(ds_driver))
except OGRException:
# Making the error message more clear rather than something
# like "Invalid pointer returned from OGROpen".
raise OGRException('Could not open the datasource at "%s"' % ds_input)
elif isinstance(ds_input, c_void_p) and isinstance(ds_driver, c_void_p):
ds = ds_input
else:
raise OGRException('Invalid data source input type: %s' % type(ds_input))
if bool(ds):
self._ptr = ds
self._driver = Driver(ds_driver)
else:
# Raise an exception if the returned pointer is NULL
raise OGRException('Invalid data source file "%s"' % ds_input)
def _register(self):
"Attempts to register all the data source drivers."
# Only register all if the driver count is 0 (or else all drivers
# will be registered over and over again)
if not self.driver_count: capi.register_all()
def setUp(self):
# Forcefully register a GDAL datasource driver, because Django has a
# bug where it assumes that any existing drivers mean they're all
# available, which doesn't seem to be the case.
if not ds.get_driver_count():
ds.register_all()
def _register(self):
"Attempts to register all the data source drivers."
# Only register all if the driver count is 0 (or else all drivers
# will be registered over and over again)
if not self.driver_count:
capi.register_all()
