Python3: pdftotext で PDF をテキストに変換

pdf_read.py

#! /usr/bin/python
# -*- coding: utf-8 -*-
#
#	pdf_read.py
#
#						Oct/02/2018
#
import	sys
import	pdftotext
#
# ------------------------------------------------------------------
def dict_display_proc(dict_aa):
	for key in sorted(dict_aa.keys()):
		unit = dict_aa[key]
		name = unit['name']
		str_out = str(key) +"\t"+ str(name)
		str_out += "\t" + str(unit['population'])
		str_out += "\t" + str(unit['date_mod'])
		print(str_out)
# ------------------------------------------------------------------
def     dict_append_proc(dict_aa,key,name,population,date_mod):
	dict_aa[key] = {'name':name,'population':population,'date_mod':date_mod}
#
	return dict_aa
#
# ------------------------------------------------------------------
def pdf_to_dict_proc (file_pdf):
	dict_aa = {}
#
	fp_in = open(file_pdf, "rb")
	pdf = pdftotext.PDF(fp_in)
	fp_in.close()
#
	lines = pdf[0].split("\n")
	for str in lines:
		line = str.rstrip()
		if (5 < len (line)):
			cols= line.split ()
			key = cols[0]
			name = cols[1]
			population = cols[2]
			date_mod = cols[3]
			if (key[0] == "t"):
				dict_aa = dict_append_proc (dict_aa,key, \
					name,population,date_mod)
#
	return	dict_aa
# ------------------------------------------------------------------
sys.stderr.write ("*** 開始 ***\n")
file_pdf = sys.argv[1]
dict_aa = pdf_to_dict_proc (file_pdf)
#
dict_display_proc (dict_aa)
sys.stderr.write ("*** 終了 ***\n")
# ------------------------------------------------------------------

実行方法

./pdf_read.py cities.pdf

入力ファイル

実行結果

$ ./pdf_read.py cities.pdf 
*** 開始 ***
t2531	大津	92168	2003-9-30
t2532	草津	17524	2003-2-10
t2533	守山	73651	2003-6-14
t2534	栗東	62963	2003-9-9
t2535	野洲	42531	2003-8-4
t2536	甲賀	35287	2003-1-21
t2537	湖南	82956	2003-7-23
t2538	近江八幡	23784	2003-10-26
t2539	彦根	72813	2003-12-15
*** 終了 ***

Arch Linux でのライブラリーのインストール方法

yay -S python-pdftotext

次のバージョンで確認しました。

$ python --version
Python 3.8.2