def __init__(self, file_stream, url):
DocumentParser.__init__(self, file_stream)
self._url = url
self._namespace_URI = 'http://www.loc.gov/METS/'
self._mods_namespace_URI = 'http://www.loc.gov/mods/v3'
#read the content of the file
self._content_str = self._file_stream.read()
self._logical_structure = None
self._physical_structure = None
self._meta_data = None
self._relation = None
self._file_list = None
#some METS files contain uppercase mets directive
#self._content_str = self._content_str.replace('METS=', 'mets=')
#self._content_str = self._content_str.replace('', '')
#self._content_str = self._content_str.replace('MODS=', 'mods=')
#self._content_str = self._content_str.replace('', '')
try:
self._doc = parseString(self._content_str)
except Exception:
raise ParserError.InvalidDocument("The file is invalid. (is it" \
"corrupted?)")
if self._check_xml() is not True:
raise ParserError.InvalidDocument("The file is invalid. (is it" \
"corrupted?)")
def _get_record(self):
"""Get the record object in the xml file."""
self._file_stream.seek(0)
content_str = self._file_stream.read()
doc = parseString(content_str)
records = doc.getElementsByTagNameNS(self._namespace_URI, 'mods')
# get the id number of the first record
if len(records) == 0:
raise ParserError.InvalidDocument(
"XML/Mods Core document should contains at lease one record!")
if len(records) > 1:
raise ParserError.InvalidDocument(
"XML/Mods Core document should not contains more than "\
"one record!")
return records[0]