Inflate Binary into Memory

Python sample code to inflate binary data from a file within a .zip directly into memory.

Download Python Programming Example Scripts

# file: InflateToBinary.py

import chilkat

# Inflate binary data into memory.
zip = chilkat.CkZip()
zip.UnlockComponent("anything for 30-day trial")

success = zip.OpenZip("exampleData.zip")
if success:
	# The zip in this example contains these files and directories:
	# exampleData\
	# exampleData\hamlet.xml
	# exampleData\123\
	# exampleData\aaa\
	# exampleData\123\hello.txt
	# exampleData\aaa\banner.gif
	# exampleData\aaa\dude.gif
	# exampleData\aaa\xyz\	
	
	# Forward and backward slashes are equivalent and either can be used..
	zipEntry = zip.FirstMatchingEntry("*/dude.gif")
	if (zipEntry != None):
		gifData = chilkat.CkByteData()
		zipEntry.Inflate(gifData)
		
		# Upload the binary data directly to
		# an FTP server without ever having to write
		# an actual .zip on the local filesystem...
		ftp = chilkat.CkFtp2()
		ftp.UnlockComponent("anything for 30-day trial")
		ftp.put_Hostname("www.chilkatsoft.com")
		ftp.put_Username("myLogin")
		ftp.put_Password("myPassword")
		success = ftp.Connect()
		if success:
			ftp.ChangeRemoteDir("d2")
			remoteFilename = "dude.gif"
			success = ftp.PutFileFromBinaryData(remoteFilename,gifData)
			if success:
				print "Uploaded GIF image to FTP server!\n"
			else:
				ftp.SaveLastError("ftpPutError.txt")
		else:
			ftp.SaveLastError("ftpError.txt")
	else:
		print "Failed to find dude.gif!\n"
else:
	# Failed to open the .zip archive.
	zip.SaveLastError("openZipError.txt")