def testCreateBigIntSchema(self):
name = os.path.join(self.tempdir, 'output1.shp')
a_bigint = 10 ** 18 - 1
fieldname = 'abigint'
kwargs = {
'driver': 'ESRI Shapefile',
'crs': 'EPSG:4326',
'schema': {
'geometry': 'Point',
'properties': [(fieldname, 'int:10')]}}
if get_gdal_version_num() < calc_gdal_version_num(2, 0, 0):
with self.assertRaises(OverflowError):
with fiona.open(name, 'w', **kwargs) as dst:
rec = {}
rec['geometry'] = {'type': 'Point', 'coordinates': (0, 0)}
rec['properties'] = {fieldname: a_bigint}
dst.write(rec)
else:
with fiona.open(name, 'w', **kwargs) as dst:
rec = {}
rec['geometry'] = {'type': 'Point', 'coordinates': (0, 0)}
rec['properties'] = {fieldname: a_bigint}
dst.write(rec)
with fiona.open(name) as src:
if get_gdal_version_num() >= calc_gdal_version_num(2, 0, 0):
first = next(iter(src))
self.assertEqual(first['properties'][fieldname], a_bigint)
def testCreateBigIntSchema(self):
name = os.path.join(self.tempdir, 'output1.shp')
a_bigint = 10**18 - 1
fieldname = 'abigint'
kwargs = {
'driver': 'ESRI Shapefile',
'crs': 'EPSG:4326',
'schema': {
'geometry': 'Point',
'properties': [(fieldname, 'int:10')]
}
}
if get_gdal_version_num() < calc_gdal_version_num(2, 0, 0):
with self.assertRaises(OverflowError):
with fiona.open(name, 'w', **kwargs) as dst:
rec = {}
rec['geometry'] = {'type': 'Point', 'coordinates': (0, 0)}
rec['properties'] = {fieldname: a_bigint}
dst.write(rec)
else:
with fiona.open(name, 'w', **kwargs) as dst:
rec = {}
rec['geometry'] = {'type': 'Point', 'coordinates': (0, 0)}
rec['properties'] = {fieldname: a_bigint}
dst.write(rec)
with fiona.open(name) as src:
if get_gdal_version_num() >= calc_gdal_version_num(2, 0, 0):
first = next(iter(src))
self.assertEqual(first['properties'][fieldname], a_bigint)
def test_gpkg(self):
if get_gdal_version_num() < calc_gdal_version_num(1, 11, 0):
self.assertRaises(DriverError,
fiona.open,
'tests/data/coutwildrnp.gpkg',
'r',
driver="GPKG")
else:
with fiona.open('tests/data/coutwildrnp.gpkg', 'r',
driver="GPKG") as c:
self.assertEquals(len(c), 48)
def test_gpkg(self):
schema = {'geometry': 'Point', 'properties': [('title', 'str')]}
crs = {
'a': 6370997,
'lon_0': -100,
'y_0': 0,
'no_defs': True,
'proj': 'laea',
'x_0': 0,
'units': 'm',
'b': 6370997,
'lat_0': 45
}
path = os.path.join(self.tempdir, 'foo.gpkg')
if get_gdal_version_num() < calc_gdal_version_num(1, 11, 0):
self.assertRaises(DriverError,
fiona.open,
path,
'w',
driver='GPKG',
schema=schema,
crs=crs)
else:
with fiona.open(path, 'w', driver='GPKG', schema=schema,
crs=crs) as c:
c.writerecords([{
'geometry': {
'type': 'Point',
'coordinates': [0.0, 0.0]
},
'properties': {
'title': 'One'
}
}])
c.writerecords([{
'geometry': {
'type': 'Point',
'coordinates': [2.0, 3.0]
},
'properties': {
'title': 'Two'
}
}])
with fiona.open(path) as c:
self.assertEquals(c.schema['geometry'], 'Point')
self.assertEquals(len(c), 2)
def test_gpkg(self):
schema = {'geometry': 'Point',
'properties': [('title', 'str')]}
crs = {
'a': 6370997,
'lon_0': -100,
'y_0': 0,
'no_defs': True,
'proj': 'laea',
'x_0': 0,
'units': 'm',
'b': 6370997,
'lat_0': 45}
path = os.path.join(self.tempdir, 'foo.gpkg')
if get_gdal_version_num() < calc_gdal_version_num(1, 11, 0):
self.assertRaises(DriverError,
fiona.open,
path,
'w',
driver='GPKG',
schema=schema,
crs=crs)
else:
with fiona.open(path, 'w',
driver='GPKG',
schema=schema,
crs=crs) as c:
c.writerecords([{
'geometry': {'type': 'Point', 'coordinates': [0.0, 0.0]},
'properties': {'title': 'One'}}])
c.writerecords([{
'geometry': {'type': 'Point', 'coordinates': [2.0, 3.0]},
'properties': {'title': 'Two'}}])
with fiona.open(path) as c:
self.assertEquals(c.schema['geometry'], 'Point')
self.assertEquals(len(c), 2)
def __init__(self,
path,
mode='r',
driver=None,
schema=None,
crs=None,
encoding=None,
layer=None,
vsi=None,
archive=None,
enabled_drivers=None,
crs_wkt=None,
**kwargs):
"""The required ``path`` is the absolute or relative path to
a file, such as '/data/test_uk.shp'. In ``mode`` 'r', data can
be read only. In ``mode`` 'a', data can be appended to a file.
In ``mode`` 'w', data overwrites the existing contents of
a file.
In ``mode`` 'w', an OGR ``driver`` name and a ``schema`` are
required. A Proj4 ``crs`` string is recommended. If both ``crs``
and ``crs_wkt`` keyword arguments are passed, the latter will
trump the former.
In 'w' mode, kwargs will be mapped to OGR layer creation
options.
"""
if not isinstance(path, string_types):
raise TypeError("invalid path: %r" % path)
if not isinstance(mode, string_types) or mode not in ('r', 'w', 'a'):
raise TypeError("invalid mode: %r" % mode)
if driver and not isinstance(driver, string_types):
raise TypeError("invalid driver: %r" % driver)
if schema and not hasattr(schema, 'get'):
raise TypeError("invalid schema: %r" % schema)
if crs and not isinstance(crs, compat.DICT_TYPES + string_types):
raise TypeError("invalid crs: %r" % crs)
if crs_wkt and not isinstance(crs_wkt, string_types):
raise TypeError("invalid crs_wkt: %r" % crs_wkt)
if encoding and not isinstance(encoding, string_types):
raise TypeError("invalid encoding: %r" % encoding)
if layer and not isinstance(layer, tuple(list(string_types) + [int])):
raise TypeError("invalid name: %r" % layer)
if vsi:
if not isinstance(vsi, string_types) or vsi not in ('zip', 'tar',
'gzip'):
raise TypeError("invalid vsi: %r" % vsi)
if archive and not isinstance(archive, string_types):
raise TypeError("invalid archive: %r" % archive)
# Check GDAL version against drivers
if (driver == "GPKG"
and get_gdal_version_num() < calc_gdal_version_num(1, 11, 0)):
raise DriverError(
"GPKG driver requires GDAL 1.11.0, fiona was compiled "
"against: {}".format(get_gdal_release_name()))
self.session = None
self.iterator = None
self._len = 0
self._bounds = None
self._driver = None
self._schema = None
self._crs = None
self._crs_wkt = None
self.env = None
self.enabled_drivers = enabled_drivers
self.path = vsi_path(path, vsi, archive)
if mode == 'w':
if layer and not isinstance(layer, string_types):
raise ValueError("in 'r' mode, layer names must be strings")
if driver == 'GeoJSON':
if layer is not None:
raise ValueError("the GeoJSON format does not have layers")
self.name = 'OgrGeoJSON'
# TODO: raise ValueError as above for other single-layer formats.
else:
self.name = layer or os.path.basename(
os.path.splitext(path)[0])
else:
if layer in (0, None):
self.name = 0
else:
self.name = layer or os.path.basename(
os.path.splitext(path)[0])
self.mode = mode
if self.mode == 'w':
if driver == 'Shapefile':
driver = 'ESRI Shapefile'
if not driver:
raise DriverError("no driver")
elif driver not in supported_drivers:
raise DriverError("unsupported driver: %r" % driver)
elif self.mode not in supported_drivers[driver]:
raise DriverError("unsupported mode: %r" % self.mode)
self._driver = driver
if not schema:
raise SchemaError("no schema")
elif 'properties' not in schema:
raise SchemaError("schema lacks: properties")
elif 'geometry' not in schema:
raise SchemaError("schema lacks: geometry")
self._schema = schema
if crs_wkt:
self._crs_wkt = crs_wkt
elif crs:
if 'init' in crs or 'proj' in crs or 'epsg' in crs.lower():
self._crs = crs
else:
raise CRSError("crs lacks init or proj parameter")
if driver_count == 0:
# create a local manager and enter
self.env = GDALEnv()
else:
self.env = GDALEnv()
self.env.__enter__()
self._driver = driver
self.encoding = encoding
try:
if self.mode == 'r':
self.session = Session()
self.session.start(self)
elif self.mode in ('a', 'w'):
self.session = WritingSession()
self.session.start(self, **kwargs)
except IOError:
self.session = None
raise
if self.session is not None:
self.guard_driver_mode()
if not self.encoding:
self.encoding = self.session.get_fileencoding().lower()
def __init__(self, path, mode='r', driver=None, schema=None, crs=None,
encoding=None, layer=None, vsi=None, archive=None,
enabled_drivers=None, crs_wkt=None, ignore_fields=None,
ignore_geometry=False,
**kwargs):
"""The required ``path`` is the absolute or relative path to
a file, such as '/data/test_uk.shp'. In ``mode`` 'r', data can
be read only. In ``mode`` 'a', data can be appended to a file.
In ``mode`` 'w', data overwrites the existing contents of
a file.
In ``mode`` 'w', an OGR ``driver`` name and a ``schema`` are
required. A Proj4 ``crs`` string is recommended. If both ``crs``
and ``crs_wkt`` keyword arguments are passed, the latter will
trump the former.
In 'w' mode, kwargs will be mapped to OGR layer creation
options.
"""
if not isinstance(path, string_types):
raise TypeError("invalid path: %r" % path)
if not isinstance(mode, string_types) or mode not in ('r', 'w', 'a'):
raise TypeError("invalid mode: %r" % mode)
if driver and not isinstance(driver, string_types):
raise TypeError("invalid driver: %r" % driver)
if schema and not hasattr(schema, 'get'):
raise TypeError("invalid schema: %r" % schema)
if crs and not isinstance(crs, compat.DICT_TYPES + string_types):
raise TypeError("invalid crs: %r" % crs)
if crs_wkt and not isinstance(crs_wkt, string_types):
raise TypeError("invalid crs_wkt: %r" % crs_wkt)
if encoding and not isinstance(encoding, string_types):
raise TypeError("invalid encoding: %r" % encoding)
if layer and not isinstance(layer, tuple(list(string_types) + [int])):
raise TypeError("invalid name: %r" % layer)
if vsi:
if not isinstance(vsi, string_types) or not vfs.valid_vsi(vsi):
raise TypeError("invalid vsi: %r" % vsi)
if archive and not isinstance(archive, string_types):
raise TypeError("invalid archive: %r" % archive)
# Check GDAL version against drivers
if (driver == "GPKG" and
get_gdal_version_num() < calc_gdal_version_num(1, 11, 0)):
raise DriverError(
"GPKG driver requires GDAL 1.11.0, fiona was compiled "
"against: {}".format(get_gdal_release_name()))
self.session = None
self.iterator = None
self._len = 0
self._bounds = None
self._driver = None
self._schema = None
self._crs = None
self._crs_wkt = None
self.env = None
self.enabled_drivers = enabled_drivers
self.ignore_fields = ignore_fields
self.ignore_geometry = bool(ignore_geometry)
self.path = vfs.vsi_path(path, vsi, archive)
if mode == 'w':
if layer and not isinstance(layer, string_types):
raise ValueError("in 'w' mode, layer names must be strings")
if driver == 'GeoJSON':
if layer is not None:
raise ValueError("the GeoJSON format does not have layers")
self.name = 'OgrGeoJSON'
# TODO: raise ValueError as above for other single-layer formats.
else:
self.name = layer or os.path.basename(os.path.splitext(path)[0])
else:
if layer in (0, None):
self.name = 0
else:
self.name = layer or os.path.basename(os.path.splitext(path)[0])
self.mode = mode
if self.mode == 'w':
if driver == 'Shapefile':
driver = 'ESRI Shapefile'
if not driver:
raise DriverError("no driver")
elif driver not in supported_drivers:
raise DriverError(
"unsupported driver: %r" % driver)
elif self.mode not in supported_drivers[driver]:
raise DriverError(
"unsupported mode: %r" % self.mode)
self._driver = driver
if not schema:
raise SchemaError("no schema")
elif 'properties' not in schema:
raise SchemaError("schema lacks: properties")
elif 'geometry' not in schema:
raise SchemaError("schema lacks: geometry")
self._schema = schema
if crs_wkt:
self._crs_wkt = crs_wkt
elif crs:
if 'init' in crs or 'proj' in crs or 'epsg' in crs.lower():
self._crs = crs
else:
raise CRSError("crs lacks init or proj parameter")
if driver_count == 0:
# create a local manager and enter
self.env = AWSGDALEnv()
else:
self.env = AWSGDALEnv()
self.env.__enter__()
self._driver = driver
kwargs.update(encoding=encoding or '')
self.encoding = encoding
try:
if self.mode == 'r':
self.session = Session()
self.session.start(self, **kwargs)
elif self.mode in ('a', 'w'):
self.session = WritingSession()
self.session.start(self, **kwargs)
except IOError:
self.session = None
raise
if self.session is not None:
self.guard_driver_mode()
if not self.encoding:
self.encoding = self.session.get_fileencoding().lower()
if self.mode in ("a", "w"):
self._valid_geom_types = _get_valid_geom_types(self.schema, self.driver)
'schema': {
'geometry': 'BOGUS',
'properties': {}}}
try:
fiona.open(tmpfile, 'w', **profile)
except UnsupportedGeometryTypeError:
assert True
@pytest.mark.parametrize('x', list(range(1, 10)))
def test_normalize_int32(x):
assert normalize_field_type('int:{}'.format(x)) == 'int32'
@pytest.mark.skipif(get_gdal_version_num() < calc_gdal_version_num(2, 0, 0),
reason="64-bit integer fields require GDAL 2+")
@pytest.mark.parametrize('x', list(range(10, 20)))
def test_normalize_int64(x):
assert normalize_field_type('int:{}'.format(x)) == 'int64'
@pytest.mark.parametrize('x', list(range(0, 20)))
def test_normalize_str(x):
assert normalize_field_type('str:{}'.format(x)) == 'str'
def test_normalize_bool():
assert normalize_field_type('bool') == 'bool'
def test_gpkg(self):
if get_gdal_version_num() < calc_gdal_version_num(1, 11, 0):
self.assertRaises(DriverError, fiona.open, 'tests/data/coutwildrnp.gpkg', 'r', driver="GPKG")
else:
with fiona.open('tests/data/coutwildrnp.gpkg', 'r', driver="GPKG") as c:
self.assertEquals(len(c), 48)
from fiona.ogrext import (
calc_gdal_version_num, get_gdal_version_num, get_gdal_release_name)
import warnings
# These modules are imported by fiona.ogrext, but are also import here to
# help tools like cx_Freeze find them automatically
from fiona import _geometry, _err, rfc3339
import uuid
__all__ = ['bounds', 'listlayers', 'open', 'prop_type', 'prop_width']
__version__ = "1.6.4"
__gdal_version__ = get_gdal_release_name().decode('utf-8')
# Warn user that they use fiona 1.x with gdal 2.0
if get_gdal_version_num() >= calc_gdal_version_num(2, 0, 0):
raise ImportError(
"Fiona {0} is only compatible with GDAL 1.x (installed: {1})".format(
__version__, __gdal_version__))
log = logging.getLogger('Fiona')
class NullHandler(logging.Handler):
def emit(self, record):
pass
log.addHandler(NullHandler())
def open(
path,
mode='r',
driver=None,
schema=None,
