Source code for uw.local.teaching.db.pdf

"""PDF processing.

This module implements additional PDF processing routines.
"""

from subprocess import Popen, PIPE

def embed_fonts (pdf):
    """Embed all fonts in the given PDF document.

    :param pdf: The PDF document.
    :return: A 2-tuple consisting of a boolean success indication and either
        the PDF with fonts embedded or the error report from the sub-process.
    """

    pdftopdf_process = Popen (['/home/odyssey/bin/print-embed-fonts', '-', '-'], stdin=PIPE, stdout=PIPE, stderr=PIPE)

    stdoutdata, stderrdata = pdftopdf_process.communicate (pdf)

    result = pdftopdf_process.wait ()
    if result != 0:
        return False, stderrdata

    return True, stdoutdata