def extractembedded(outfp,
fp,
objids,
pagenos,
password='',
dumpall=False,
codec=None):
doc = PDFDocument()
parser = PDFParser(fp)
parser.set_document(doc)
doc.set_parser(parser)
doc.initialize(password)
cwd = os.path.normpath(os.getcwd()) + '/'
for xref in doc.xrefs:
for objid in xref.get_objids():
obj = doc.getobj(objid)
if isinstance(obj, dict):
objtype = obj.get('Type', '')
if isinstance(objtype,
PSLiteral) and objtype.name == 'Filespec':
filename = obj['UF'] or obj['F']
fileref = obj['EF']['F']
fileobj = doc.getobj(fileref.objid)
if not isinstance(fileobj, PDFStream):
raise Exception(
"unable to process PDF: reference for %s is not a PDFStream"
% filename)
if not isinstance(
fileobj['Type'], PSLiteral
) or not fileobj['Type'].name == 'EmbeddedFile':
raise Exception(
"unable to process PDF: reference for %s is not an EmbeddedFile"
% filename)
print("extracting", filename)
absfilename = os.path.normpath(os.path.abspath(filename))
if not absfilename.startswith(cwd):
raise Exception(
"filename %s is trying to escape to parent directories."
% filename)
dirname = os.path.dirname(absfilename)
if not os.path.isdir(dirname):
os.makedirs(dirname)
# don't overwrite anything
fd = os.open(absfilename,
os.O_WRONLY | os.O_CREAT | os.O_EXCL)
f = os.fdopen(fd, 'wb')
f.write(fileobj.get_data())
f.close()
def dumppdf(outfp,
fname,
objids,
pagenos,
password='',
dumpall=False,
codec=None):
doc = PDFDocument()
fp = open(fname, 'rb')
parser = PDFParser(fp)
parser.set_document(doc)
doc.set_parser(parser)
doc.initialize(password)
if objids:
for objid in objids:
obj = doc.getobj(objid)
dumpxml(outfp, obj, codec=codec)
if pagenos:
for (pageno, page) in enumerate(doc.get_pages()):
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')
def dumppdf(outfp, fname, objids, pagenos, password='',
dumpall=False, codec=None):
doc = PDFDocument()
fp = file(fname, 'rb')
parser = PDFParser(fp)
parser.set_document(doc)
doc.set_parser(parser)
doc.initialize(password)
if objids:
for objid in objids:
obj = doc.getobj(objid)
dumpxml(outfp, obj, codec=codec)
if pagenos:
for (pageno,page) in enumerate(doc.get_pages()):
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
def dumppdf(outfp, fname, objids, pagenos, password='',
dumpall=False, codec=None):
doc = PDFDocument()
fp = file(fname, 'rb')
parser = PDFParser(doc, fp)
doc.initialize(password)
if objids:
for objid in objids:
obj = doc.getobj(objid)
if isinstance(obj, PDFStream) and codec == 'raw':
outfp.write(obj.get_rawdata())
elif isinstance(obj, PDFStream) and codec == 'binary':
outfp.write(obj.get_data())
else:
dumpxml(outfp, obj, codec=codec)
if pagenos:
for (pageno,page) in enumerate(doc.get_pages()):
if pageno in pagenos:
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
def dumppdf(outfp,
fname,
objids,
pagenos,
password='',
dumpall=False,
codec=None):
doc = PDFDocument()
fp = file(fname, 'rb')
parser = PDFParser(doc, fp)
doc.initialize(password)
if objids:
for objid in objids:
obj = doc.getobj(objid)
if isinstance(obj, PDFStream) and codec == 'raw':
outfp.write(obj.get_rawdata())
elif isinstance(obj, PDFStream) and codec == 'binary':
outfp.write(obj.get_data())
else:
dumpxml(outfp, obj, codec=codec)
if pagenos:
for (pageno, page) in enumerate(doc.get_pages()):
if pageno in pagenos:
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
def MapFactory(map_path):
try:
map_file = file(map_path, "rb")
except:
return None
document = PDFDocument()
try:
parser = PDFParser(map_file)
parser.set_document(document)
document.set_parser(parser)
document.initialize("")
except:
return None
obj = document.getobj(_PDF_OBJ_INDEX_)
if not obj or not isinstance(obj, PDFStream):
return None
if not "Width" in obj:
return None
if not "Height" in obj:
return None
if not "ColorSpace" in obj:
return None
width = obj["Width"]
height = obj["Height"]
map_class = None
weird_pdf = height == 1
data = None
if weird_pdf:
data, height = _ProcessWeirdPDF(document)
else:
data = obj.get_data()
if (width == MapA4Portrait.WIDTH and height == MapA4Portrait.HEIGHT):
map_class = MapA4Portrait
elif (width == MapA4Landscape.WIDTH and height == MapA4Landscape.HEIGHT):
map_class = MapA4Landscape
elif (width == MapA3Portrait.WIDTH and height == MapA3Portrait.HEIGHT):
map_class = MapA3Portrait
elif (width == MapA3Landscape.WIDTH and height == MapA3Landscape.HEIGHT):
map_class = MapA3Landscape
elif (width == MapA2Portrait.WIDTH and height == MapA2Portrait.HEIGHT):
map_class = MapA2Portrait
elif (width == MapA2Landscape.WIDTH and height == MapA2Landscape.HEIGHT):
map_class = MapA2Landscape
elif (width == MapA1Portrait.WIDTH and height == MapA1Portrait.HEIGHT):
map_class = MapA1Portrait
elif (width == MapA1Landscape.WIDTH and height == MapA1Landscape.HEIGHT):
map_class = MapA1Landscape
else:
return None
return map_class(_MakePPMImage(width, height, data), map_path)
def MapFactory(map_path):
try:
map_file = file(map_path, "rb")
except:
return None
document = PDFDocument()
try:
parser = PDFParser(map_file)
parser.set_document(document)
document.set_parser(parser)
document.initialize("")
except:
return None
# The image object on all IBGE PDFs is indexed
# at ID 6. We also probe for a few properties.
obj = document.getobj(6)
if not obj or not isinstance(obj, PDFStream):
return None
if not "Width" in obj:
return None
if not "Height" in obj:
return None
if not "ColorSpace" in obj:
return None
width = obj["Width"]
height = obj["Height"]
map_class = None
if (width == MapA4Portrait.WIDTH and height == MapA4Portrait.HEIGHT):
map_class = MapA4Portrait
elif (width == MapA4Landscape.WIDTH and height == MapA4Landscape.HEIGHT):
map_class = MapA4Landscape
elif (width == MapA3Portrait.WIDTH and height == MapA3Portrait.HEIGHT):
map_class = MapA3Portrait
elif (width == MapA3Landscape.WIDTH and height == MapA3Landscape.HEIGHT):
map_class = MapA3Landscape
elif (width == MapA2Portrait.WIDTH and height == MapA2Portrait.HEIGHT):
map_class = MapA2Portrait
elif (width == MapA2Landscape.WIDTH and height == MapA2Landscape.HEIGHT):
map_class = MapA2Landscape
elif (width == MapA1Portrait.WIDTH and height == MapA1Portrait.HEIGHT):
map_class = MapA1Portrait
elif (width == MapA1Landscape.WIDTH and height == MapA1Landscape.HEIGHT):
map_class = MapA1Landscape
else:
return None
return map_class(_MakePPMImage(width, height, obj.get_data()), map_path)
def extractembedded(outfp, fname, objids, pagenos, password='',
dumpall=False, codec=None):
doc = PDFDocument()
fp = file(fname, 'rb')
parser = PDFParser(fp)
parser.set_document(doc)
doc.set_parser(parser)
doc.initialize(password)
cwd = os.path.normpath(os.getcwd()) + '/'
for xref in doc.xrefs:
for objid in xref.get_objids():
obj = doc.getobj(objid)
if isinstance(obj, dict):
objtype = obj.get('Type', '')
if isinstance(objtype, PSLiteral) and objtype.name == 'Filespec':
filename = obj['UF'] or obj['F']
fileref = obj['EF']['F']
fileobj = doc.getobj(fileref.objid)
if not isinstance(fileobj, PDFStream):
raise Exception("unable to process PDF: reference for %s is not a PDFStream" % (filename))
if not isinstance(fileobj['Type'], PSLiteral) or not fileobj['Type'].name == 'EmbeddedFile':
raise Exception("unable to process PDF: reference for %s is not an EmbeddedFile" % (filename))
print "extracting", filename
absfilename = os.path.normpath(os.path.abspath(filename))
if not absfilename.startswith(cwd):
raise Exception("filename %s is trying to escape to parent directories.." % (filename))
dirname = os.path.dirname(absfilename)
if not os.path.isdir(dirname):
os.makedirs(dirname)
# don't overwrite anything
fd = os.open(absfilename, os.O_WRONLY | os.O_CREAT | os.O_EXCL)
f = os.fdopen(fd, 'wb')
f.write(fileobj.get_data())
f.close()
class PDFMine:
def __init__(self, filename):
self.result = {}
self.filename = filename
self.fp = open(filename, "rb")
self.parser = PDFParser(self.fp)
self.doc = PDFDocument()
self.parser.set_document(self.doc)
self.doc.set_parser(self.parser)
self.doc.initialize()
self.pagecount = self.pgcount()
print "Page count %i" % self.pagecount
if self.doc.is_extractable:
print "Starting extraction of %s" % self.filename
else:
print "Oops, error extracting %s" % self.filename
raise ()
def close(self):
self.fp.close()
def pgcount(self):
count = 0
for page in self.doc.get_pages():
count = count + 1
return count
def save_video(self, targetdir):
"""Saves all your videos to targetdir """
for page in self.doc.get_pages():
if (page.annots):
obj = self.doc.getobj(page.annots.objid)
for i in obj:
annotobj = i.resolve()
try:
if (annotobj["Subtype"].name == 'RichMedia'):
linktype = "media"
data = annotobj["RichMediaContent"].resolve()
dataobj = data["Assets"].resolve()
fstream = dataobj["Names"][1].resolve()
filename = fstream["F"]
fdata = fstream['EF']['F'].resolve().get_data()
f = open(os.path.join(targetdir, filename), "w")
f.write(fdata)
f.close()
except:
pass
def _rect(self, bbox):
""" Changes a bounding box into something we can use
with HTML (x,y,width,height measured from top left) """
pgbox = self.pgbox
pgwidth = round(abs(pgbox[0] - pgbox[2]))
pgheight = round(abs(pgbox[1] - pgbox[3]))
x = round(min(bbox[0], bbox[2]))
y = pgheight - (round(max(bbox[1], bbox[3])))
width = round(max(bbox[0], bbox[2]) - min(bbox[0], bbox[2]))
height = round(max(bbox[1], bbox[3]) - min(bbox[1], bbox[3]))
result = {"x": x, "y": y, "width": width, "height": height}
return result
def _find_objid_pgnum(self, obj):
"""Given a page, return the page number """
i = 0
for page in self.doc.get_pages():
i = i + 1
if self.doc.getobj(page.pageid) == obj:
return i
return False
def parse_pages(self):
result = []
i = 0
for page in self.doc.get_pages():
self.pgbox = page.mediabox
i = i + 1
print "==== Page %d ====" % i
result.append(self._parse_page(page))
return result
def _parse_page(self, page):
result = []
vids = self._parse_video(page)
if len(vids) > 0:
result.extend(self._parse_video(page))
links = self._parse_links(page)
if len(links) > 0:
result.extend(links)
comments = self._parse_comments(page)
if len(comments) > 0:
result.extend(comments)
return result
def _parse_comments(self, page):
result = []
rsrcmgr = PDFResourceManager()
laparams = LAParams()
device = PDFPageAggregator(rsrcmgr, laparams=laparams)
interpreter = PDFPageInterpreter(rsrcmgr, device)
interpreter.process_page(page)
layout = device.get_result()
for obj in layout:
if isinstance(obj, LTTextBox):
txt = obj.get_text()
if (txt.find("[[") >= 0):
""" We've found a comment. If it's on top of a rect, return the
rect as the bounding box. Else return just the textbox rect """
rect = self._rect(self._intersects(layout, obj))
commenttxt = {
"rect": rect,
"comment": txt.replace("]]", "").replace("[[", "")
}
result.append(commenttxt)
return result
def _parse_links(self, page):
result = []
if (page.annots):
obj = self.doc.getobj(page.annots.objid)
for i in obj:
annotobj = i.resolve()
try:
if (annotobj["Subtype"].name
== 'Link') and (annotobj.has_key("A")):
linktype = "link"
print "Found link"
obj = annotobj["A"].resolve()
dest = ""
if (obj.has_key('D')):
linktype = "bookmark"
#print dir(obj["D"])
namesobj = self.doc.catalog["Names"].resolve()
destsobj = namesobj["Dests"].resolve()
for name in destsobj["Names"]:
if (hasattr(name[0], "objid")):
pg = name[0].resolve()
dest = self._find_objid_pgnum(pg)
if (obj.has_key('URI')):
dest = obj['URI']
rect = self._rect(annotobj['Rect'])
link = {"rect": rect, "type": linktype, "dest": dest}
result.append(link)
except:
return result
return result
def _parse_video(self, page):
result = []
if (page.annots):
obj = self.doc.getobj(page.annots.objid)
for i in obj:
annotobj = i.resolve()
try:
if (annotobj["Subtype"].name == 'RichMedia'):
linktype = "media"
rect = self._rect(annotobj['Rect'])
print "Found video"
data = annotobj["RichMediaContent"].resolve()
dataobj = data["Assets"].resolve()
fstream = dataobj["Names"][1].resolve()
filename = fstream["F"]
link = {
"rect": rect,
"type": linktype,
"filename": filename
}
result.append(link)
except:
pass
return result
def _intersects(self, layout, obj):
""" Finds if the obj is contained within another object on the page """
origbbox = obj.bbox
for otherobj in layout:
if obj != otherobj:
otherbbox = otherobj.bbox
if (origbbox[0] >=
otherbbox[0]) and (origbbox[1] >= otherbbox[1]) and (
origbbox[2] <= otherbbox[2]) and (origbbox[3] >=
otherbbox[3]):
return otherbbox
return origbbox
"""
We search for 'bookmarks' set in Adobe Acrobat
"""
def get_sections(self):
toc = []
try:
outlines = self.doc.get_outlines()
for (level, title, dest, a, se) in outlines:
if (dest):
objid = dest[0].objid
pgobj = dest[0].resolve()
else:
destsobj = a.resolve()
pgobj = destsobj["D"][0]
objid = pgobj.objid
x = 1
for page in self.doc.get_pages():
if page.pageid == objid:
toc.append({
"name": title,
"page": x
})
x = x + 1
except:
pass
return toc
def test(self):
print "Starting test on %s" % self.filename
result = self.parse_pages()
print result
print "Found %d pages" % (self.pagecount)
print self.get_sections()
class PDFMine:
def __init__(self, filename):
self.result = {}
self.filename=filename
self.fp=open(filename, "rb")
self.parser=PDFParser(self.fp)
self.doc=PDFDocument()
self.parser.set_document(self.doc)
self.doc.set_parser(self.parser)
self.doc.initialize()
self.pagecount=self.pgcount()
print "Page count %i" % self.pagecount
if self.doc.is_extractable:
print "Starting extraction of %s" % self.filename
else:
print "Oops, error extracting %s" % self.filename
raise()
def close(self):
self.fp.close()
def pgcount(self):
count=0;
for page in self.doc.get_pages():
count=count+1
return count
def save_video(self, targetdir):
"""Saves all your videos to targetdir """
for page in self.doc.get_pages():
if (page.annots):
obj=self.doc.getobj(page.annots.objid)
for i in obj:
annotobj=i.resolve()
try:
if (annotobj["Subtype"].name=='RichMedia'):
linktype="media"
data=annotobj["RichMediaContent"].resolve()
dataobj=data["Assets"].resolve()
fstream=dataobj["Names"][1].resolve()
filename=fstream["F"]
fdata=fstream['EF']['F'].resolve().get_data()
f=open(os.path.join(targetdir,filename),"w")
f.write(fdata)
f.close()
except:
pass
def _rect(self, bbox):
""" Changes a bounding box into something we can use
with HTML (x,y,width,height measured from top left) """
pgbox=self.pgbox
pgwidth=round(abs(pgbox[0]-pgbox[2]))
pgheight=round(abs(pgbox[1]-pgbox[3]))
x=round(min(bbox[0], bbox[2]))
y=pgheight-(round(max(bbox[1],bbox[3])))
width=round(max(bbox[0], bbox[2])-min(bbox[0], bbox[2]))
height=round(max(bbox[1], bbox[3])-min(bbox[1], bbox[3]))
result={"x":x, "y":y, "width":width, "height":height}
return result
def _find_objid_pgnum(self, obj):
"""Given a page, return the page number """
i=0
for page in self.doc.get_pages():
i=i+1
if self.doc.getobj(page.pageid)==obj:
return i
return False
def parse_pages(self):
result=[]
i=0
for page in self.doc.get_pages():
self.pgbox=page.mediabox
i=i+1
print "==== Page %d ====" % i
result.append(self._parse_page(page))
return result
def _parse_page(self, page):
result=[]
vids=self._parse_video(page)
if len(vids)>0:
result.extend(self._parse_video(page))
links=self._parse_links(page)
if len(links)>0:
result.extend(links)
comments=self._parse_comments(page)
if len(comments)>0:
result.extend(comments)
return result
def _parse_comments(self, page):
result=[]
rsrcmgr = PDFResourceManager()
laparams = LAParams()
device = PDFPageAggregator(rsrcmgr, laparams=laparams)
interpreter = PDFPageInterpreter(rsrcmgr, device)
interpreter.process_page(page)
layout = device.get_result()
for obj in layout:
if isinstance(obj, LTTextBox):
txt=obj.get_text()
if (txt.find("[[")>=0):
""" We've found a comment. If it's on top of a rect, return the
rect as the bounding box. Else return just the textbox rect """
rect=self._rect(self._intersects(layout,obj))
commenttxt={"rect":rect, "comment":txt.replace("]]","").replace("[[","")}
result.append(commenttxt)
return result
def _parse_links(self, page):
result=[]
if (page.annots):
obj=self.doc.getobj(page.annots.objid)
for i in obj:
annotobj=i.resolve()
try:
if (annotobj["Subtype"].name=='Link') and (annotobj.has_key("A")):
linktype="link"
print "Found link"
obj=annotobj["A"].resolve()
dest=""
if (obj.has_key('D')):
linktype="bookmark"
#print dir(obj["D"])
namesobj=self.doc.catalog["Names"].resolve()
destsobj=namesobj["Dests"].resolve()
for name in destsobj["Names"]:
if (hasattr(name[0], "objid")):
pg=name[0].resolve()
dest=self._find_objid_pgnum(pg)
if (obj.has_key('URI')):
dest=obj['URI']
rect=self._rect(annotobj['Rect'])
link={"rect":rect, "type":linktype,"dest": dest}
result.append(link)
except:
return result
return result
def _parse_video(self, page):
result=[]
if (page.annots):
obj=self.doc.getobj(page.annots.objid)
for i in obj:
annotobj=i.resolve()
try:
if (annotobj["Subtype"].name=='RichMedia'):
linktype="media"
rect=self._rect(annotobj['Rect'])
print "Found video"
data=annotobj["RichMediaContent"].resolve()
dataobj=data["Assets"].resolve()
fstream=dataobj["Names"][1].resolve()
filename=fstream["F"]
link={"rect":rect, "type":linktype, "filename":filename}
result.append(link)
except:
pass
return result
def _intersects(self, layout, obj):
""" Finds if the obj is contained within another object on the page """
origbbox=obj.bbox
for otherobj in layout:
if obj!=otherobj:
otherbbox=otherobj.bbox
if (origbbox[0]>=otherbbox[0]) and (origbbox[1]>=otherbbox[1]) and (origbbox[2]<=otherbbox[2]) and (origbbox[3]>=otherbbox[3]):
return otherbbox
return origbbox
"""
We search for 'bookmarks' set in Adobe Acrobat
"""
def get_sections(self):
toc=[]
try:
outlines = self.doc.get_outlines()
for (level,title,dest,a,se) in outlines:
if (dest):
objid=dest[0].objid
pgobj=dest[0].resolve()
else:
destsobj=a.resolve()
pgobj=destsobj["D"][0]
objid=pgobj.objid
x=1;
for page in self.doc.get_pages():
if page.pageid==objid:
toc.append({"name": title, "page": x});
x=x+1
except:
pass
return toc
def test(self):
print "Starting test on %s" % self.filename
result=self.parse_pages()
print result
print "Found %d pages" % (self.pagecount)
print self.get_sections()
pr = obj["P"]
elif obj.get("Type") and obj["Type"].name == "Annot":
pages.append(objid)
try:
pi = pages.index(pr.objid) + 1
except:
pi = -1
print(objid, pi, obj["Subj"], obj["T"], obj["Contents"])
fp = open("simple1.pdf", "rb")
parser = PDFParser(fp)
doc = PDFDocument()
parser.set_document(doc)
doc.set_parser(parser)
doc.initialize(pdf_pwd)
visited = set()
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
extract(objid, obj)
print("oldu.")
except:
print(sys.stderr, "not found: %r")
def cargoDoc():
fp = open(r"C:\Users\ssleep\Documents\Programming\Cargo Docker\Thursday\LCBO\601331975 PARS MANIFESTS.pdf", 'rb')
parser = PDFParser(fp)
doc = PDFDocument()
parser.set_document(doc)
doc.set_parser(parser)
doc.initialize('')
visited = set()
pars = []
for xref in doc.xrefs:
for objid in xref.get_objids():
if objid in visited: continue
visited.add(objid)
obj = doc.getobj(objid)
if obj is None: continue
pars = extract(objid,obj)
pdfFileObj = open(specificPath, 'rb')
pdfReader = PdfFileReader(pdfFileObj)
fields = pdfReader.getFields()
# print(len(fields)-15)
for i in range(len(fields)-15):
containerNumber = ""
weight = ""
consignee = ""
shipper = ""
eta = ""
portOfLoading = ""
portOfDischarge = ""
description = ""
if i == 0:
# prefix = str(i) + "."
containerNumber = fields["Container Row1"].value
weight = float(fields["Weight KGRow1"].value)
consignee = fields["Consignee"].value
shipper = fields["Shipper"].value
eta = fields["ETA DATE"].value
portOfLoading = fields["undefined"].value
portOfDischarge = fields["Port of Discharge"].value
description = fields["Description of goods"].value
else:
for j in list(fields.keys()):
if j==str(i):
for k in list(fields[j]["/Kids"]):
try:
if(k.getObject()['/T']=="WO"):
wo=k.getObject()['/V']
elif(k.getObject()['/T']=="Container Row1"):
containerNumber=k.getObject()['/V']
elif(k.getObject()['/T']=="SizeRow1"):
size=k.getObject()['/V']
elif(k.getObject()['/T']=="Weight KGRow1"):
weight=float(k.getObject()['/V'])
elif(k.getObject()['/T']=="Consignee"):
consignee=k.getObject()['/V']
elif(k.getObject()['/T']=="Shipper"):
shipper=k.getObject()['/V']
elif(k.getObject()['/T']=="ETA DATE"):
eta=k.getObject()['/V']
elif(k.getObject()['/T']=="undefined"):
portOfLoading=k.getObject()['/V']
elif(k.getObject()['/T']=="Port of Discharge"):
portOfDischarge=k.getObject()['/V']
elif(k.getObject()['/T']=="Description of goods"):
description=k.getObject()['/V']
except KeyError:
True
