def test_huffman():
camzip.camzip("huffman", "hamlet.txt")
return
def test_shanon_fano():
camzip.camzip("shannon_fano", "hamlet.txt")
return
import os
import time
filename = "hamlet_10.txt"
#filename = "hamlet_extended.txt"
print("Original file size:", os.path.getsize(filename))
start_time = time.time()
method = "arithmetic"
camzip(method, filename)
print("Encoded")
print("Arith: --- %s seconds ---" % (time.time() - start_time))
print("File size:", os.path.getsize(filename + '.cz' + method[0]))
start2_time = time.time()
method = "context"
camzip(method, filename)
print("Context: --- %s seconds ---" % (time.time() - start2_time))
print("File size:", os.path.getsize(filename + '.cz' + method[0]))
def test_arithmetic():
camzip.camzip("arithmetic", "hamlet.txt")
return
from camzip import camzip
import matplotlib.pyplot as plt
cz = camzip()
hm = []
sf = []
x = []
for i in range(1, 10):
hm.append(cz.zip('huffman', 'hamlet.txt', i, True))
sf.append(cz.zip('shannon_fano', 'hamlet.txt', i, True))
x.append(i)
plt.plot(x, hm, label='Huffman')
plt.plot(x, sf, label='Shannon-Fano')
plt.xlabel('N')
plt.ylabel('Compression Ratio')
plt.legend()
plt.grid()
plt.show()