from pathlib import Path
from pprint import pprint
from typing import Iterable, Sequence
from pdfminer.layout import LAParams, LTTextBox
from pdfminer.pdfpage import PDFPage
from pdfminer.pdfinterp import PDFResourceManager
from pdfminer.pdfinterp import PDFPageInterpreter
from pdfminer.converter import PDFPageAggregator




def phrasesFromFile(p: Path) -> Iterable:
    fp = open(p, 'rb')
    rsrcmgr = PDFResourceManager()
    laparams = LAParams()
    device = PDFPageAggregator(rsrcmgr, laparams=laparams)
    interpreter = PDFPageInterpreter(rsrcmgr, device)
    pages = PDFPage.get_pages(fp)

    for page in pages:
        interpreter.process_page(page)
        layout = device.get_result()
        for lobj in layout:
            if isinstance(lobj, LTTextBox):
                text = lobj.get_text()
                
                yield list(map(int, lobj.bbox)), text