Chilkat Python Data Compression Library is a simple library that provides general in-memory data compression.

Chilkat Python Data Compression Library supports the following compression algorithms: PPMD, Deflate, Bzip2, and LZW.

Chilkat Python Data Compression Library provides "Begin", "More", and "End" methods allowing for large amounts of data to be compressed in streaming mode.

Here are some key features of "Chilkat Python Data Compression Library":

· PPMD Compression - Best algorithm for compressing text.
· Bzip2 Compression
· Deflate Compression - The algorithm most commonly used for .zip
· LZW Compression
· Compress and decompress in streaming mode w/ Begin, More, and End methods.
· Work directly with hex or base64 encoded string representations of compressed data.
· Simple CompressFile method for file compression.

Limitations:

· 30 days trial.

What's New in This Release: [ read full changelog ]

· (Crypt2, MIME, MailMan) Now supports the ability to create CAdES-BES and CAdES-EPES digital signatures.   See CAdES for more information.
· (IMAP) Added the ability to download emails without attachments, and to download attachments separately.  See Download email without attachments and downloading attachments separately for more information.
· (MACOSX, IOS) Eliminated the SIGPIPE exception that can occur when a socket write is attempted after the previously connected peer disconnects.
· (Email) No longer includes the “This is a multi-part message in MIME format.” line in multipart/mixed messages.  Note: The presence of this line is very common and transparent (i.e. it is not visibly seen when viewing an email in an email client such as Outlook or Thunderbird).
· (IMAP) The “ckx-imap-internaldate” header field is now added to emails downloaded from IMAP servers.  This allows for subsequent calls to AppendMail to restore the same internal date when uploading the email to a new IMAP server or...