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7 Commits
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bc359714d7 | ||
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875747ad7a | ||
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200508be7f | ||
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fc7e44a646 | ||
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04eb07f321 | ||
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caaaaafeb0 | ||
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7e962d60ad |
@@ -2,6 +2,8 @@
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# -*- coding: utf-8 -*-
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from .polyglotpdfzip import PolyglotPdfZip
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from .polyglotpdfany import PolyglotPdfAny
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from .polyglotzippdf import PolyglotZipPdf
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from .polyglotszippdf import PolyglotSZipPdf
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from .polyglotzipany import PolyglotZipAny
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49
PolyglotFile/polyglotpdfany.py
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49
PolyglotFile/polyglotpdfany.py
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@@ -0,0 +1,49 @@
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# -*- coding: utf-8 -*-
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import logging
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'''
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|-------------------------------| -
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|--------- PDF Header ----------K1 | J1
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|-------------------------------| -
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|---- PDF OBJ 1 = Payload 1 ----K2 |
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|-------------------------------| -
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|---- Original PDF Ojbects -----K3 | J2
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|-------------------------------| -
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|-- PDF Last OBJ = Payload 2 ---K4 |
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|-------------------------------| |
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|---------- Xref Table ---------| |
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|-------------------------------K5 |
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|----------- Trailer -----------| |
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|-------------------------------| |
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'''
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class PolyglotPdfAny():
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from PdfFileTransformer import Pdf
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def __init__(self, Pdf, payload1filename, payload2filename):
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self.buffer = bytearray()
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self.pdf = Pdf
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self.payload1 = bytearray()
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if payload1filename is not None:
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with open(payload1filename, "rb") as f:
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self.payload1 = f.read()
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self.payload2 = bytearray()
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if payload2filename is not None:
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with open(payload2filename, "rb") as f:
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self.payload2 = f.read()
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def generate(self):
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k2stream = self.payload1
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if len(k2stream) > 0:
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self.pdf.insert_new_obj_stream_at_start(k2stream)
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k4stream = self.payload2
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if len(k4stream) > 0:
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self.pdf.insert_new_obj_stream_at_end(k4stream)
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self.buffer = self.pdf.get_build_buffer()
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def write(self, filename):
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fd = open(filename, "wb")
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fd.write(self.buffer)
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fd.close()
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@@ -28,8 +28,9 @@ from PdfFileTransformer import Pdf
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class PolyglotSZipPdf(PolyglotPdfZip):
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def __init__(self, Pdf, Zip):
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def __init__(self, Pdf, Zip, acrobat_compatibility):
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super().__init__(Pdf, Zip)
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self.acrobat_compatibility = acrobat_compatibility
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def get_rebuild_zip_first_part_size(self):
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@@ -80,9 +81,15 @@ class PolyglotSZipPdf(PolyglotPdfZip):
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k2_stream_offset = new_pdf.get_first_stream_offset()
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new_pdf.file_offset = offset
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if self.acrobat_compatibility:
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new_pdf.file_offset = new_pdf.file_offset + 1
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pdf_buffer = new_pdf.get_build_buffer()
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j2 = pdf_buffer[k2_stream_offset + size_k2_stream:]
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new_zip.add_data_to_file(b'', j2, True)
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if self.acrobat_compatibility:
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new_zip.add_data_to_file(b'\x00', j2, True)
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else:
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new_zip.add_data_to_file(b'', j2, True)
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return new_zip.buffer
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42
PolyglotFile/polyglotzipany.py
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42
PolyglotFile/polyglotzipany.py
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@@ -0,0 +1,42 @@
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# -*- coding: utf-8 -*-
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import logging
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'''
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|-------------------------------| -
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|---------- Payload 1 ----------K1 | J1
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|-------------------------------| -
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|---- ZIP Local File Header ----K2 |
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|-------------------------------| -
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|---------- Payload 2-----------K3 | J2
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|-------------------------------| -
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|---- ZIP Central Directory ----K4 |
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|-------------------------------| |
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|--- End of Central Directory --K5 |
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|-------------------------------| |
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'''
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class PolyglotZipAny():
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from ZipFileTransformer import Zip
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def __init__(self, Zip, payload1filename, payload2filename):
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self.buffer = bytearray()
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self.zip = Zip
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self.payload1 = bytearray()
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if payload1filename is not None:
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with open(payload1filename, "rb") as f:
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self.payload1 = f.read()
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self.payload2 = bytearray()
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if payload2filename is not None:
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with open(payload2filename, "rb") as f:
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self.payload2 = f.read()
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def generate(self):
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self.zip.add_data_to_file(self.payload1, self.payload2, True)
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self.buffer = self.zip.buffer
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def write(self, filename):
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fd = open(filename, "wb")
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fd.write(self.buffer)
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fd.close()
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68
truepolyglot
68
truepolyglot
@@ -6,7 +6,12 @@ import logging
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from PdfFileTransformer import Pdf
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from ZipFileTransformer import Zip
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from PolyglotFile import PolyglotZipPdf, PolyglotPdfZip, PolyglotSZipPdf
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from PolyglotFile import PolyglotZipPdf
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from PolyglotFile import PolyglotPdfZip
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from PolyglotFile import PolyglotSZipPdf
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from PolyglotFile import PolyglotPdfAny
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from PolyglotFile import PolyglotZipAny
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def main():
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@@ -16,10 +21,18 @@ def main():
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'* zippdf: Generate a file valid as ZIP and PDF.' +
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' The format is closest to ZIP.\n' +
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'* szippdf: Generate a file valid as ZIP and PDF.' +
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' The format is strictly a ZIP.' +
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' Archive is modified.')
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' The format is strictly a ZIP.\n' +
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' Archive is modified.\n' +
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'* pdfany: Generate a valid PDF file with payload1' +
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' file content as first object\n' +
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' or/and payload2 file' +
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' content as last oject.\n' +
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'* zipany: Generate a valid ZIP file with payload1' +
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' file content at start of file\n' +
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' or/and payload2 file content between' +
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' LFH and CD.\n')
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usage_str = '%(prog)s format [options] output-file'
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epilog_str = 'TruePolyglot v1.3'
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epilog_str = 'TruePolyglot v1.6.1'
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frm = argparse.RawTextHelpFormatter
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parser = argparse.ArgumentParser(description=description_str,
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epilog=epilog_str,
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@@ -27,14 +40,24 @@ def main():
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formatter_class=frm)
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parser.add_argument('format', nargs='+', choices=["pdfzip",
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"zippdf",
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"szippdf"],
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"szippdf",
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"pdfany",
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"zipany"],
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help='Output polyglot format')
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parser.add_argument('--pdffile', dest='pdffile',
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help='PDF input file')
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parser.add_argument('--zipfile', dest='zipfile',
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help='ZIP input file')
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parser.add_argument('--payload1file', dest='payload1file',
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help='Payload 1 input file')
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parser.add_argument('--payload2file', dest='payload2file',
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help='Payload 2 input file')
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parser.add_argument('--acrobat-compatibility',
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dest='acrobat_compatibility',
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help='Add a byte at start for Acrobat Reader compatibility with szippdf format',
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action='store_true')
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parser.add_argument('--verbose', dest='verbose',
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help='Verbosity level (default: debug)',
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help='Verbosity level (default: info)',
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default="info",
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choices=["none", "error", "info", "debug"])
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parser.add_argument('output_file', nargs='+',
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@@ -42,12 +65,15 @@ def main():
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args = parser.parse_args()
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formats = ["pdfzip", "zippdf", "szippdf"]
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if args.format[0] in formats:
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if args.pdffile is None:
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parser.error('pdffile is required')
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if args.zipfile is None:
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parser.error('zipfile is required')
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if args.acrobat_compatibility and args.format[0] != "szippdf":
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parser.error('--acrobat-compatibility is for szippdf only')
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if "pdf" in args.format[0] and args.pdffile is None:
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parser.error('pdffile is required')
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if "zip" in args.format[0] and args.zipfile is None:
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parser.error('zipfile is required')
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if ("any" in args.format[0] and args.payload1file is None and
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args.payload2file is None):
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parser.error('payload1file or payload2file is required')
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if args.verbose == "none":
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logging.basicConfig(level=logging.CRITICAL)
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@@ -58,14 +84,26 @@ def main():
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if args.verbose == "debug":
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logging.basicConfig(level=logging.DEBUG)
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p = Pdf(args.pdffile)
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z = Zip(args.zipfile)
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if args.format[0] == "pdfzip":
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p = Pdf(args.pdffile)
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z = Zip(args.zipfile)
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a = PolyglotPdfZip(p, z)
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if args.format[0] == "zippdf":
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p = Pdf(args.pdffile)
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z = Zip(args.zipfile)
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a = PolyglotZipPdf(p, z)
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if args.format[0] == "szippdf":
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a = PolyglotSZipPdf(p, z)
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p = Pdf(args.pdffile)
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z = Zip(args.zipfile)
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a = PolyglotSZipPdf(p, z, args.acrobat_compatibility)
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if args.format[0] == "pdfany":
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p = Pdf(args.pdffile)
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a = PolyglotPdfAny(p, args.payload1file, args.payload2file)
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if args.format[0] == "zipany":
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z = Zip(args.zipfile)
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a = PolyglotZipAny(z, args.payload1file, args.payload2file)
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a.generate()
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a.write(args.output_file[0])
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Reference in New Issue
Block a user