161 lines
4.1 KiB
Python
Executable File
161 lines
4.1 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# dumppdf.py - dump pdf contents in XML format.
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#
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# usage: dumppdf.py [options] [files ...]
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# options:
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# -i objid : object id
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#
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import sys, re
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from pdflib.pdfparser import PDFDocument, PDFParser, PDFStream, \
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PDFObjRef, PSKeyword, PSLiteral
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stdout = sys.stdout
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stderr = sys.stderr
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ESC_PAT = re.compile(r'[\000-\037&<>\042\047\134\177-\377]')
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def esc(s):
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return ESC_PAT.sub(lambda m:'\\x%02x' % ord(m.group(0)), s)
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# dumpxml
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def dumpxml(out, obj, codec=None):
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if isinstance(obj, dict):
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out.write('<dict size="%d">\n' % len(obj))
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for (k,v) in obj.iteritems():
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out.write('<key>%s</key>\n' % k)
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out.write('<value>')
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dumpxml(out, v)
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out.write('</value>\n')
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out.write('</dict>')
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return
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if isinstance(obj, list):
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out.write('<list size="%d">\n' % len(obj))
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for v in obj:
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dumpxml(out, v)
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out.write('\n')
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out.write('</list>')
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return
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if isinstance(obj, str):
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out.write('<string size="%d">%s</string>' % (len(obj), esc(obj)))
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return
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if isinstance(obj, PDFStream):
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out.write('<stream>\n<props>\n')
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dumpxml(out, obj.dic)
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out.write('\n</props>\n')
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if codec == 'text':
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data = obj.get_data()
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out.write('<data size="%d">%s</data>\n' % (len(data), esc(data)))
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out.write('</stream>')
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return
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if isinstance(obj, PDFObjRef):
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out.write('<ref id="%d"/>' % obj.objid)
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return
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if isinstance(obj, PSKeyword):
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out.write('<keyword>%s</keyword>' % obj.name)
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return
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if isinstance(obj, PSLiteral):
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out.write('<literal>%s</literal>' % obj.name)
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return
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if isinstance(obj, int) or isinstance(obj, float):
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out.write('<number>%s</number>' % obj)
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return
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raise TypeError(obj)
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# dumptrailers
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def dumptrailers(out, doc):
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for xref in doc.xrefs:
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out.write('<trailer>\n')
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dumpxml(out, xref.trailer)
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out.write('\n</trailer>\n\n')
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return
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# dumpallobjs
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def dumpallobjs(out, doc, codec=None):
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out.write('<pdf>')
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for xref in doc.xrefs:
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for objid in xref.objids():
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try:
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obj = doc.getobj(objid)
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out.write('<object id="%d">\n' % objid)
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dumpxml(out, obj, codec=codec)
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out.write('\n</object>\n\n')
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except:
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pass
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dumptrailers(out, doc)
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out.write('</pdf>')
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return
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# dumppdf
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def dumppdf(outfp, fname, objids, pageids, password='',
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dumpall=False, codec=None, debug=0):
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doc = PDFDocument(debug=debug)
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fp = file(fname, 'rb')
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parser = PDFParser(doc, fp, debug=debug)
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doc.initialize(password)
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if objids:
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for objid in objids:
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obj = doc.getobj(objid)
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if isinstance(obj, PDFStream) and codec == 'raw':
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outfp.write(obj.get_rawdata())
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elif isinstance(obj, PDFStream) and codec == 'binary':
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outfp.write(obj.get_data())
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else:
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dumpxml(outfp, obj, codec=codec)
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if pageids:
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for page in doc.get_pages():
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if page.pageid in pageids:
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dumpxml(outfp, page.attrs)
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if dumpall:
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dumpallobjs(outfp, doc, codec=codec)
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if (not objids) and (not pageids) and (not dumpall):
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dumptrailers(outfp, doc)
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fp.close()
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outfp.write('\n')
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return
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# main
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def main(argv):
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import getopt
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def usage():
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print 'usage: %s [-d] [-a] [-p pageid] [-P password] [-r|-b|-t] [-i objid] file ...' % argv[0]
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return 100
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try:
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(opts, args) = getopt.getopt(argv[1:], 'dap:P:rbti:')
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except getopt.GetoptError:
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return usage()
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if not args: return usage()
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debug = 0
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objids = []
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pageids = set()
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codec = None
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password = ''
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dumpall = False
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outfp = stdout
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for (k, v) in opts:
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if k == '-d': debug += 1
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elif k == '-i': objids.extend( int(x) for x in v.split(',') )
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elif k == '-p': pageids.update( int(x)-1 for x in v.split(',') )
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elif k == '-P': password = v
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elif k == '-a': dumpall = True
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elif k == '-r': codec = 'raw'
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elif k == '-b': codec = 'binary'
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elif k == '-t': codec = 'text'
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elif k == '-o': outfp = file(v, 'wb')
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#
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for fname in args:
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dumppdf(outfp, fname, objids, pageids, password=password,
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dumpall=dumpall, codec=codec, debug=debug)
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return
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if __name__ == '__main__': sys.exit(main(sys.argv))
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