def testBufferStructureWDescr(self):
"""Check the structure of a buffer row using the descr list.
"""
common.verbosePrint('\nTesting buffer row structure with zipBufferDescr')
mix = [item for item in nriterators.zipBufferDescr(self.row,
self.descr)]
self.assertEqual(mix, zip(self.flat_row, self.flat_formats))
def testBufferStructureWDescr(self):
"""Check the structure of a buffer row using the descr list.
"""
common.verbosePrint(
'\nTesting buffer row structure with zipBufferDescr')
mix = [
item for item in nriterators.zipBufferDescr(self.row, self.descr)
]
self.assertEqual(mix, zip(self.flat_row, self.flat_formats))
def _checkBufferStructure(structure, buffer):
"""
Check the `buffer` structure using the given `structure`.
The checking is done after flattening both the `structure` and the
`buffer`. `structure` is the descr list that describes the buffer
structure. buffer` has its usual meaning in this module.
"""
for row in buffer:
for item in nriterators.zipBufferDescr(row, structure):
if not (isinstance(item, tuple) and len(item) == 2):
raise ValueError("""row structure doesn't match that """ """provided by the format specification""")
if not isinstance(item[1], str):
raise TypeError("""field descriptors must be strings""")
def _checkBufferStructure(structure, buffer):
"""
Check the `buffer` structure using the given `structure`.
The checking is done after flattening both the `structure` and the
`buffer`. `structure` is the descr list that describes the buffer
structure. buffer` has its usual meaning in this module.
"""
for row in buffer:
for item in nriterators.zipBufferDescr(row, structure):
if not (isinstance(item, tuple) and len(item) == 2):
raise ValueError("""row structure doesn't match that """
"""provided by the format specification""")
if not isinstance(item[1], str):
raise TypeError("""field descriptors must be strings""")
formats=formats,
shape=shape,
names=names,
byteorder=byteorder,
aligned=aligned)
elif buffer:
_checkBufferStructure(descr, buffer)
# Flatten the buffer (if any)
if buffer is None:
flatBuffer = None
else:
# Buffer is a list of sequences. Every sublist represents a row
# of the array
flatBuffer = \
[tuple([v for (v, f) in nriterators.zipBufferDescr(row, descr)])
for row in buffer]
# Create a flat recarray
flatArray = numarray.records.array(flatBuffer, flatFormats, shape,
flatNames, byteorder, aligned)
# Create the nested recarray
return NestedRecArray(flatArray, descr)
def _checkArrayList(arrayList):
"""
Check the type of the arraylist argument of fromarrays.
For an explanation of argument meanings see the `array()` function.
flatNames = [item for item in nriterators.flattenNames(names)]
# Check the buffer structure (order matters!)
if isinstance(buffer, list) or isinstance(buffer, tuple):
if isinstance(buffer[0], numarray.NumArray) or isinstance(buffer[0], numarray.strings.CharArray):
return fromarrays(buffer, formats=formats, shape=shape, names=names, byteorder=byteorder, aligned=aligned)
elif buffer:
_checkBufferStructure(descr, buffer)
# Flatten the buffer (if any)
if buffer is None:
flatBuffer = None
else:
# Buffer is a list of sequences. Every sublist represents a row
# of the array
flatBuffer = [tuple([v for (v, f) in nriterators.zipBufferDescr(row, descr)]) for row in buffer]
# Create a flat recarray
flatArray = numarray.records.array(flatBuffer, flatFormats, shape, flatNames, byteorder, aligned)
# Create the nested recarray
return NestedRecArray(flatArray, descr)
def _checkArrayList(arrayList):
"""
Check the type of the arraylist argument of fromarrays.
For an explanation of argument meanings see the `array()` function.
"""
if (isinstance(buffer[0], numarray.NumArray) or
isinstance(buffer[0], numarray.strings.CharArray)):
return fromarrays(buffer, formats=formats,
shape=shape, names=names,
byteorder=byteorder, aligned=aligned)
elif buffer:
_checkBufferStructure( descr, buffer)
# Flatten the buffer (if any)
if buffer is None:
flatBuffer = None
else:
# Buffer is a list of sequences. Every sublist represents a row
# of the array
flatBuffer = \
[tuple([v for (v, f) in nriterators.zipBufferDescr(row, descr)])
for row in buffer]
# Create a flat recarray
flatArray = numarray.records.array(
flatBuffer, flatFormats, shape, flatNames, byteorder, aligned)
# Create the nested recarray
return NestedRecArray(flatArray, descr)
def _checkArrayList(arrayList):
"""
Check the type of the arraylist argument of fromarrays.
For an explanation of argument meanings see the `array()` function.
