Chilkat2-Python

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. Chilkat2-Python

import chilkat2

success = False

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

sbCompressedBase64 = chilkat2.StringBuilder()

compress = chilkat2.Compression()
compress.Algorithm = "deflate"
compress.Charset = "utf-8"
compress.EncodingMode = "base64"

compress.FirstChunk = True
compress.LastChunk = False

bdCompressed = chilkat2.BinData()
sbUncompressedChunk = chilkat2.StringBuilder()

for i in range(0,25):
    if (i == 24):
        compress.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.FirstChunk = False

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

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