def test_text_content():
curpath = os.path.abspath(os.path.dirname(__file__))
testdoc = os.path.join(curpath, 'testdocs', 'carnap-short.xml')
content = util.text_content(testdoc)
assert '<' not in content
assert 'sys-' not in content
assert 'systems' in content
def process_file(doc, keep_tempfiles=False):
"""converts document to pdf, then xml, then extracts metadata"""
if doc.filetype != 'pdf':
# convert to pdf
try:
doc.tempfile = convert_to_pdf(doc.tempfile)
except:
raise Exception("pdf conversion failed")
# get pdf info:
try:
pdfmeta = pdfinfo(doc.tempfile)
doc.numpages = int(pdfmeta['Pages'])
except:
raise Exception('pdfinfo failed')
debug(2, 'pdf has %s pages', doc.numpages)
# convert to xml:
doc.xmlfile = doc.tempfile.rsplit('.')[0] + '.xml'
if doc.numpages > 10:
# ocr only first 7 + last 3 pages if necessary:
ocr_ranges = [(1,3), (doc.numpages-2,doc.numpages)]
else:
ocr_ranges = None
try:
engine = pdf2xml(doc.tempfile, doc.xmlfile,
keep_tempfiles=keep_tempfiles,
ocr_ranges=ocr_ranges)
except Exception as e:
debug(1, "converting pdf to xml failed: %s", e)
raise Exception('pdf conversion failed')
# read some basic metadata from xml file:
doc.content = util.text_content(doc.xmlfile)
debug(5, "text content:\n%s", doc.content)
if engine == 'pdftohtml':
doc.numwords = len(doc.content.split())
else:
doc.ocr = True
if doc.numpages > 10:
# extrapolate numwords from numpages and the number of words
# on the ocr'ed pages:
doc.numwords = len(doc.content.split()) * doc.numpages/10
else:
doc.numwords = len(doc.content.split())
# guess doc type (paper, book, review, etc.):
from .doctyper import doctyper
doc.doctype = doctyper.evaluate(doc)
# extract metadata:
from .docparser import paperparser
if not paperparser.parse(doc, keep_tempfiles=keep_tempfiles):
raise Exception('parser error')
return 0
