def get_file_mimetype(file):
try:
mimeTypeFile = exiftool.ExifToolHelper().get_metadata(file.name)[0]["File:MIMEType"]
if mimeTypeFile == "application/pdf":
#Check is PDFA and Version
with open(file.name, mode="rb") as fileData:
input = PdfFileReader(fileData, strict=False)
try:
metadata = input.getXmpMetadata()
if metadata:
pdfa=app.config["PDFA"]
nodes = metadata.getNodesInNamespace("", pdfa["NAMESPACE"])
if get_pdfa_version(nodes) in pdfa["ACCEPTED_VERSIONS"]:
mimeTypeFile = "application/pdfa"
except (ExpatError):
app.logger.log(logging.WARNING, "File {0} has not well-formed XMP data, could not verify if application/pdf has PDF/A1 DOCINFO.".format(file.name))
elif mimeTypeFile in app.config["GENERIC_MIMETYPES"]:
mimeTypeFile = magic.from_file(file.name, mime=True)
if mimeTypeFile in app.config["GENERIC_MIMETYPES"]:
with open(file.name, mode="rb") as fileData:
documentTypeFile = magic.from_buffer(fileData.read(2048))
for (fileMimetype, fileFormat) in itertools.zip_longest(app.config["FILEMIMETYPES"], app.config["FILEFORMATS"]):
if documentTypeFile in fileFormat:
mimeTypeFile = fileMimetype
except (ValueError, PdfReadError):
mimeTypeFile = "Unknown/Corrupted"
return mimeTypeFile
def has_PDFA_XMP(file):
try:
with open(file, mode="rb") as fileData:
xmpfile = PdfFileReader(fileData, strict=False)
metadata = xmpfile.getXmpMetadata()
if metadata is not None:
pdfa=app.config["PDFA"]
nodes = metadata.getNodesInNamespace("", pdfa["NAMESPACE"])
if get_pdfa_version(nodes) in pdfa["ACCEPTED_VERSIONS"]:
return True
return False
except:
return False
def pdfHandler(file_dir):
input1 = PdfFileReader(open(file_dir, 'rb'))
print('document1.pdf has {} pages.'.format(str(input1.getNumPages())))
fields = input1.getFields()
print(type(fields))
documentInfo = input1.getDocumentInfo()
print(type(documentInfo))
if documentInfo is not None:
for key in documentInfo.keys():
print('{} : {}'.format(key, documentInfo.get(key)))
metaData = input1.getXmpMetadata()
print(type(metaData))
if metaData is not None:
# print(metaData)
for relation in metaData.dc_relation:
print('relation: {}'.format(relation))
