def testpickle(self):
file = open("test.bin", "wb")
output = typedbytes.Output(file)
output.write("123")
output.write(MyClass())
file.close()
file = open("test.bin", "rb")
input = typedbytes.Input(file)
self.assertEqual("123", input.read())
self.assertEqual(234, input.read().attr)
file.close()
os.remove("test.bin")
def testio(self):
objects = TestIO.objects
file = open("test.bin", "wb")
output = typedbytes.Output(file)
output.writes(objects)
file.close()
file = open("test.bin", "rb")
input = typedbytes.Input(file)
for (index, record) in enumerate(input.reads()):
self.assertEqual(objects[index], record)
file.close()
os.remove("test.bin")
def testwrongio(self):
try:
file = open("test.bin", "wb")
output = typedbytes.Output(file)
output.writes([1])
file.close()
file = open("test.bin", "rb")
input = typedbytes.Input(file)
input = typedbytes.PairedInput(file)
self.assertRaises(StructError, lambda :list(input.reads()))
file.close()
finally:
os.remove("test.bin")
def testints(self):
file = open("speedtest.bin", "wb")
output = typedbytes.Output(file)
t = time.time()
output.writes(xrange(100000))
print "writing ints:", time.time() - t
file.close()
file = open("speedtest.bin", "rb")
input = typedbytes.Input(file)
t = time.time()
for record in input:
pass
print "reading ints:", time.time() - t
file.close()
os.remove("speedtest.bin")
import numpy as np
import numpy as np, sys
import ctypedbytes
import cStringIO
import struct # For raw string I/O
print '-----------------------------------------------'
arr = np.array([23.443,88.33,0.333,8.433,3434.01])
sio = cStringIO.StringIO()
myfmt='f'*len(arr)
bin=struct.pack(myfmt,*arr)
print "bin", bin, len(bin)
arr2 = np.array(struct.unpack(myfmt,bin))
print type(arr2)
print "extracted", arr2
print '-----------------------------------------------'
print "text", len(";".join(map(str,arr))), ";".join(map(str,arr))
print '-----------------------------------------------'
sio = cStringIO.StringIO()
output = ctypedbytes.Output(sio)
output.writes(arr)
print sio.getvalue()