/usr/bin/dumppdf is in python-pdfminer 20140328+dfsg-1.
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#
# dumppdf.py - dump pdf contents in XML format.
#
# usage: dumppdf.py [options] [files ...]
# options:
# -i objid : object id
#
import sys, os.path, re
from pdfminer.psparser import PSKeyword, PSLiteral, LIT
from pdfminer.pdfparser import PDFParser
from pdfminer.pdfdocument import PDFDocument, PDFNoOutlines
from pdfminer.pdftypes import PDFObjectNotFound, PDFValueError
from pdfminer.pdftypes import PDFStream, PDFObjRef, resolve1, stream_value
from pdfminer.pdfpage import PDFPage
from pdfminer.utils import isnumber
ESC_PAT = re.compile(r'[\000-\037&<>()"\042\047\134\177-\377]')
def e(s):
return ESC_PAT.sub(lambda m:'&#%d;' % ord(m.group(0)), s)
# dumpxml
def dumpxml(out, obj, codec=None):
if obj is None:
out.write('<null />')
return
if isinstance(obj, dict):
out.write('<dict size="%d">\n' % len(obj))
for (k,v) in obj.iteritems():
out.write('<key>%s</key>\n' % k)
out.write('<value>')
dumpxml(out, v)
out.write('</value>\n')
out.write('</dict>')
return
if isinstance(obj, list):
out.write('<list size="%d">\n' % len(obj))
for v in obj:
dumpxml(out, v)
out.write('\n')
out.write('</list>')
return
if isinstance(obj, str):
out.write('<string size="%d">%s</string>' % (len(obj), e(obj)))
return
if isinstance(obj, PDFStream):
if codec == 'raw':
out.write(obj.get_rawdata())
elif codec == 'binary':
out.write(obj.get_data())
else:
out.write('<stream>\n<props>\n')
dumpxml(out, obj.attrs)
out.write('\n</props>\n')
if codec == 'text':
data = obj.get_data()
out.write('<data size="%d">%s</data>\n' % (len(data), e(data)))
out.write('</stream>')
return
if isinstance(obj, PDFObjRef):
out.write('<ref id="%d" />' % obj.objid)
return
if isinstance(obj, PSKeyword):
out.write('<keyword>%s</keyword>' % obj.name)
return
if isinstance(obj, PSLiteral):
out.write('<literal>%s</literal>' % obj.name)
return
if isnumber(obj):
out.write('<number>%s</number>' % obj)
return
raise TypeError(obj)
# dumptrailers
def dumptrailers(out, doc):
for xref in doc.xrefs:
out.write('<trailer>\n')
dumpxml(out, xref.trailer)
out.write('\n</trailer>\n\n')
return
# dumpallobjs
def dumpallobjs(out, doc, codec=None):
visited = set()
out.write('<pdf>')
for xref in doc.xrefs:
for objid in xref.get_objids():
if objid in visited: continue
visited.add(objid)
try:
obj = doc.getobj(objid)
if obj is None: continue
out.write('<object id="%d">\n' % objid)
dumpxml(out, obj, codec=codec)
out.write('\n</object>\n\n')
except PDFObjectNotFound, e:
print >>sys.stderr, 'not found: %r' % e
dumptrailers(out, doc)
out.write('</pdf>')
return
# dumpoutline
def dumpoutline(outfp, fname, objids, pagenos, password='',
dumpall=False, codec=None, extractdir=None):
fp = file(fname, 'rb')
parser = PDFParser(fp)
doc = PDFDocument(parser, password)
pages = dict( (page.pageid, pageno) for (pageno,page)
in enumerate(PDFPage.create_pages(doc)) )
def resolve_dest(dest):
if isinstance(dest, str):
dest = resolve1(doc.get_dest(dest))
elif isinstance(dest, PSLiteral):
dest = resolve1(doc.get_dest(dest.name))
if isinstance(dest, dict):
dest = dest['D']
return dest
try:
outlines = doc.get_outlines()
outfp.write('<outlines>\n')
for (level,title,dest,a,se) in outlines:
pageno = None
if dest:
dest = resolve_dest(dest)
pageno = pages[dest[0].objid]
elif a:
action = a.resolve()
if isinstance(action, dict):
subtype = action.get('S')
if subtype and repr(subtype) == '/GoTo' and action.get('D'):
dest = resolve_dest(action['D'])
pageno = pages[dest[0].objid]
s = e(title).encode('utf-8', 'xmlcharrefreplace')
outfp.write('<outline level="%r" title="%s">\n' % (level, s))
if dest is not None:
outfp.write('<dest>')
dumpxml(outfp, dest)
outfp.write('</dest>\n')
if pageno is not None:
outfp.write('<pageno>%r</pageno>\n' % pageno)
outfp.write('</outline>\n')
outfp.write('</outlines>\n')
except PDFNoOutlines:
pass
parser.close()
fp.close()
return
# extractembedded
LITERAL_FILESPEC = LIT('Filespec')
LITERAL_EMBEDDEDFILE = LIT('EmbeddedFile')
def extractembedded(outfp, fname, objids, pagenos, password='',
dumpall=False, codec=None, extractdir=None):
def extract1(obj):
filename = os.path.basename(obj['UF'] or obj['F'])
fileref = obj['EF']['F']
fileobj = doc.getobj(fileref.objid)
if not isinstance(fileobj, PDFStream):
raise PDFValueError(
'unable to process PDF: reference for %r is not a PDFStream' %
(filename))
if fileobj.get('Type') is not LITERAL_EMBEDDEDFILE:
raise PDFValueError(
'unable to process PDF: reference for %r is not an EmbeddedFile' %
(filename))
path = os.path.join(extractdir, filename)
if os.path.exists(path):
raise IOError('file exists: %r' % path)
print >>sys.stderr, 'extracting: %r' % path
out = file(path, 'wb')
out.write(fileobj.get_data())
out.close()
return
fp = file(fname, 'rb')
parser = PDFParser(fp)
doc = PDFDocument(parser, password)
for xref in doc.xrefs:
for objid in xref.get_objids():
obj = doc.getobj(objid)
if isinstance(obj, dict) and obj.get('Type') is LITERAL_FILESPEC:
extract1(obj)
return
# dumppdf
def dumppdf(outfp, fname, objids, pagenos, password='',
dumpall=False, codec=None, extractdir=None):
fp = file(fname, 'rb')
parser = PDFParser(fp)
doc = PDFDocument(parser, password)
if objids:
for objid in objids:
obj = doc.getobj(objid)
dumpxml(outfp, obj, codec=codec)
if pagenos:
for (pageno,page) in enumerate(PDFPage.create_pages(doc)):
if pageno in pagenos:
if codec:
for obj in page.contents:
obj = stream_value(obj)
dumpxml(outfp, obj, codec=codec)
else:
dumpxml(outfp, page.attrs)
if dumpall:
dumpallobjs(outfp, doc, codec=codec)
if (not objids) and (not pagenos) and (not dumpall):
dumptrailers(outfp, doc)
fp.close()
if codec not in ('raw','binary'):
outfp.write('\n')
return
# main
def main(argv):
import getopt
def usage():
print 'usage: %s [-d] [-a] [-p pageid] [-P password] [-r|-b|-t] [-T] [-E directory] [-i objid] file ...' % argv[0]
return 100
try:
(opts, args) = getopt.getopt(argv[1:], 'dap:P:rbtTE:i:')
except getopt.GetoptError:
return usage()
if not args: return usage()
debug = 0
objids = []
pagenos = set()
codec = None
password = ''
dumpall = False
proc = dumppdf
outfp = sys.stdout
extractdir = None
for (k, v) in opts:
if k == '-d': debug += 1
elif k == '-o': outfp = file(v, 'wb')
elif k == '-i': objids.extend( int(x) for x in v.split(',') )
elif k == '-p': pagenos.update( int(x)-1 for x in v.split(',') )
elif k == '-P': password = v
elif k == '-a': dumpall = True
elif k == '-r': codec = 'raw'
elif k == '-b': codec = 'binary'
elif k == '-t': codec = 'text'
elif k == '-T': proc = dumpoutline
elif k == '-E':
extractdir = v
proc = extractembedded
#
PDFDocument.debug = debug
PDFParser.debug = debug
#
for fname in args:
proc(outfp, fname, objids, pagenos, password=password,
dumpall=dumpall, codec=codec, extractdir=extractdir)
return
if __name__ == '__main__': sys.exit(main(sys.argv))
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