CkPython

Compress String Feed to Base64

See more Compression Examples

This example receives incoming text data in chunks, compresses as a stream, and accumulates the compressed data in base64. CkPython

import chilkat

success = False

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

sbCompressedBase64 = chilkat.CkStringBuilder()

compress = chilkat.CkCompression()
compress.put_Algorithm("deflate")
compress.put_Charset("utf-8")
compress.put_EncodingMode("base64")

compress.put_FirstChunk(True)
compress.put_LastChunk(False)

bdCompressed = chilkat.CkBinData()
sbUncompressedChunk = chilkat.CkStringBuilder()

for i in range(0,25):
    if (i == 24):
        compress.put_LastChunk(True)

    sbUncompressedChunk.Clear()
    sbUncompressedChunk.AppendInt(i)
    sbUncompressedChunk.Append(": This is a line of data to be compressed...\r\n")

    compress.CompressSb(sbUncompressedChunk,bdCompressed)

    compress.put_FirstChunk(False)

print("The base64 encoded compressed text:")
print(bdCompressed.getEncoded("base64"))

# Decompress in one call:
originalText = compress.decompressStringENC(bdCompressed.getEncoded("base64"))
print(originalText)