Python pdfminer LAParams mixes text output

Question

i have a pdf file and i wanna parse text from it with pdfminer.The problem is LAParams sometimes fails and give some portion of the line at the end.I can't figure out why. My pdf looks like this: Out put looks like this: My code is here,thanks in advance:

from pdfminer.pdfinterp import PDFResourceManager, PDFPageInterpreter
from pdfminer.converter import TextConverter
from pdfminer.layout import LAParams
from pdfminer.pdfpage import PDFPage
from io import StringIO

def convert_pdf_to_txt(path):
    rsrcmgr = PDFResourceManager()
    retstr = StringIO()
    codec = 'utf-8'
    laparams = LAParams()
    device = TextConverter(rsrcmgr, retstr, codec=codec , laparams=laparams)
    fp = open(path, 'rb')
    interpreter = PDFPageInterpreter(rsrcmgr, device)
    password = ""
    caching = True
    pagenos=set()

    for PageNumer,page in enumerate(PDFPage.get_pages(fp, pagenos , password=password,caching=caching, check_extractable=True)):
        interpreter.process_page(page)

    text = retstr.getvalue()

    fp.close()
    device.close()
    retstr.close()
    return text
print(convert_pdf_to_txt('C:\\Users\\Vagos\\Desktop\\europe.pdf'))

Answer 1

Found the answer myself. LAParams() has word_margin default 0.3 . My document apparently sometimes had bigger and that causes the problems. Replacing LAParams() with LAParams(char_margin = 20) solved the issue.There other variable also see http://nullege.com/codes/search/pdfminer.layout.LAParams