yig/franklincce/explorer/lib/HSYIG.py

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from .common import *
from typing import ClassVar
from dataclasses import dataclass
import fitz
class HSYIG():
section_page_words = [ "Committee", "YMCA", "Tennessee", "Youth", "in" ]
last_page_words = [ "ABCs" ]
def __init__(self, document: fitz.Document):
self.document = document
self.__post_init__()
def __post_init__(self):
# run all the processing steps here
self.parse_legislative_metablocks()
def generate_section_markers(self) -> list[int]:
"""
In the YIG/MUN manuals, there's section markers that delineate between the different
committees within the manual. Let's find those, and then the last legislative page.
"""
section_pages = []
for page in self.document:
text = page.get_text().encode("utf8")
is_section_page = words_in_superstring(
words = self.section_page_words,
superstring = text
)
is_last_page = words_in_superstring(
words = self.last_page_words,
superstring = text
)
print(text, is_section_page, is_last_page)
if is_section_page and len(page.get_images()) == 3:
section_pages.append(page.number)
if is_last_page and len(section_pages) > 2:
section_pages.append(page.number)
return section_pages
def get_legislative_pages(self):
"""
Generate the section markers, then fill in the pages between them.
"""
current = 0
sections = self.generate_section_markers()
legislative_pages: list[int] = []
try:
while True:
legislative_pages += list(
range(
sections[current] + 1,
sections[current + 1],
1
)
)
current += 1
except IndexError:
pass
return legislative_pages
def concat_blocks_for_leg_pages(self):
"""
From the legislative pages, concatenate the "blocks" of text in the PDF.
"""
blocks = []
pages = [self.document.load_page(page_num) for page_num in self.get_legislative_pages()]
for page in pages:
block_info = [FitzBlockWrapper(block) for block in page.get_text("blocks")]
blocks += block_info
return blocks
def split_leg_pages(self):
"""
We have the collection of legislative page text blocks. We need
to split them now. We split on the text "71st General Assembly...
Youth in Government"
"""
blocks = self.concat_blocks_for_leg_pages()
# each item within splitted is called a "legislative meta-block"
splitted = split_by_lambda(blocks, lambda x: "71st General Assembly" in x.text)
return splitted[1:] # there's an empty array at the beginning
def handle_the_rest(self, the_rest):
weird_character = u'\uFFFd'
splitted_by_weird = the_rest.split(weird_character)
title_content = ''.join(
splitted_by_weird[0].split('\n')[:-1]
).rstrip().lstrip()
bill_text = [i.split('\n')[0][1:] for i in splitted_by_weird[1:]]
return {
"bill_text": '\n'.join(bill_text),
"title": title_content
}
def parse_legislative_metablocks(self):
output = []
splitted = self.split_leg_pages()
for legislative_text in splitted:
# there are some blocks that contain just one value
# and are aligned to some x value on the pdf
# it's an easy way to extract stuff
legislative_text = remove_block_by_x_value(legislative_text, 565) # remove page numbers
leg_code = get_block_by_x_value(legislative_text, 88).text.rstrip()
school = get_block_by_x_value(legislative_text, 163).text.rstrip()
sponsors = get_block_by_x_value(legislative_text, 152).text.rstrip()
subcommittee = get_block_by_x_value(legislative_text, 139).text.rstrip()
the_rest = ''.join([i.text for i in legislative_text[6:]])
handled = self.handle_the_rest(the_rest)
title = handled["title"]
bill_text = handled["bill_text"]
output.append({
"code": leg_code,
"school": school,
"sponsors": sponsors,
"subcommittee": subcommittee,
"title": title,
"bill_text": bill_text
})
self.output = output