pyPdf: pyPdf (pure Python library built as a PDF toolkit)
pyPdf:
pyPdf: It is capable of:
pyPdf:  - extracting document information (title, author, ...),
pyPdf:  - splitting documents page by page,
pyPdf:  - merging documents page by page,
pyPdf:  - cropping pages,
pyPdf:  - merging multiple pages into a single page,
pyPdf:  - encrypting and decrypting PDF files.
pyPdf:
pyPdf: Homepage: http://pybrary.net/pyPdf/