Move stuff from main.py
to README.md
and utils.py
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README.md
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README.md
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# BNP PDF statement parser
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Depends on `pdftotext`.
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Assuming file hierarchy like:
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```
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.
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├── compte_de_cheques/
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│ ├── 2022/
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│ │ ├── 20221121.pdf
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│ │ └── 20221221.pdf
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│ └── 2023/
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│ ├── 20230123.pdf
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│ └── 20230221.pdf
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livret_a/
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├── 20230721.pdf
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└── 20240122.pdf
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```
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#!/usr/bin/env python
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# Depends on `pdftotext`.
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import os
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import subprocess
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import re
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import matplotlib.pyplot as plt
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import matplotlib.ticker as ticker
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from datetime import datetime
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from utils import getTextFromPdf, getDatetimeFromFileName, getMonthIndexSinceEpoch, getMonthNameFromMonthIndex, FIRST_LINE_OF_PAYMENT_REGEX, END_PAGE_AFTER_THE_FIRST_ONE_REGEX, SOLDE_CREDITEUR_AU_REGEX, TOTAL_DES_OPERATIONS_REGEX
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PATH = f'/home/benjamin/Desktop/bens_folder/bazaar/documents/bnp/bank_statements/compte_de_cheques/'
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os.chdir(PATH)
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'''
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Assuming file hierarchy like:
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2022
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├── 20221121.pdf
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└── 20221221.pdf
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2023
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├── 20230123.pdf
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└── 20230221.pdf
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'''
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def execute(command):
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return subprocess.check_output(command).decode('utf-8')
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def getTextFromPdf(pdfPath):
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return execute(['pdftotext', '-raw', pdfPath, '-'])
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FIRST_LINE_OF_PAYMENT_REGEX = re.compile('\\d{2}\\.\\d{2} \\d{2}\\.\\d{2} \\d+,\\d{2}')
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END_PAGE_AFTER_THE_FIRST_ONE_REGEX = re.compile('P\\. \\d+/\\d+')
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SOLDE_CREDITEUR_AU_REGEX = re.compile('SOLDE CREDITEUR AU \\d{2}\\.\\d{2}\\.\\d{4}')
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TOTAL_DES_OPERATIONS_REGEX = re.compile('TOTAL\\ DES\\ OPERATIONS\\ ([0-9 ]+,\\d{2})\\ ([0-9 ]+,\\d{2})')
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PRINT_TRANSACTIONS = False
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totalMonthlyDebits = []
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@ -47,7 +22,7 @@ for folder in sorted(os.listdir()):
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for file in sorted(os.listdir(folder)):
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filePath = f'{folder}/{file}'
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print(filePath)
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currentDatetime = getDatetime(file)
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currentDatetime = getDatetimeFromFileName(file)
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if firstDatetime is None:
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firstDatetime = currentDatetime
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content = getTextFromPdf(filePath)
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@ -100,7 +75,7 @@ for folder in sorted(os.listdir()):
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comment += [line]
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#break
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#break
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lastDatetime = getDatetime(file)
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lastDatetime = getDatetimeFromFileName(file)
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fig, ax = plt.subplots()
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plt.title('Monthly debits and credits')
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@ -108,14 +83,7 @@ plt.xlabel('Date')
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plt.ylabel('€')
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ALPHA = 0.5
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def getDatetime(aDatetimeStr):
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return datetime.strptime(aDatetimeStr, '%Y%m%d.pdf')
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def getMonthIndex(aDatetime):
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return aDatetime.year * 12 + aDatetime.month
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xTicks = range(getMonthIndex(firstDatetime), getMonthIndex(lastDatetime) + 1)
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# sign does not seem respected for `totalMonthlyDifferences`.
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xTicks = range(getMonthIndexSinceEpoch(firstDatetime), getMonthIndexSinceEpoch(lastDatetime) + 1)
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totalMonthlyAmountAndLabel = (
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#(totalMonthlyDebits, 'Debit'),
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#(totalMonthlyCredits, 'Credit'),
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@ -129,10 +97,7 @@ plt.legend()
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#plt.yscale('symlog')
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ax.yaxis.set_major_formatter(ticker.StrMethodFormatter('{x:,}'))
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def getMonthName(monthIndex):
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return datetime((monthIndex - 1) // 12, 1 + (monthIndex - 1) % 12, 1).strftime('%b %Y')
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ticksLabels = [getMonthName(monthIndex) for monthIndex in xTicks]
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ticksLabels = [getMonthNameFromMonthIndex(monthIndex) for monthIndex in xTicks]
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plt.xticks(xTicks, ticksLabels, rotation = 90)
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#plt.tight_layout()
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# How to show the horizontal lines for subticks?
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utils.py
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utils.py
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import subprocess
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from datetime import datetime
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import re
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FIRST_LINE_OF_PAYMENT_REGEX = re.compile('\\d{2}\\.\\d{2} \\d{2}\\.\\d{2} \\d+,\\d{2}')
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END_PAGE_AFTER_THE_FIRST_ONE_REGEX = re.compile('P\\. \\d+/\\d+')
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SOLDE_CREDITEUR_AU_REGEX = re.compile('SOLDE CREDITEUR AU \\d{2}\\.\\d{2}\\.\\d{4}')
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TOTAL_DES_OPERATIONS_REGEX = re.compile('TOTAL\\ DES\\ OPERATIONS\\ ([0-9 ]+,\\d{2})\\ ([0-9 ]+,\\d{2})')
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def execute(command):
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return subprocess.check_output(command).decode('utf-8')
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def getTextFromPdf(pdfPath):
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return execute(['pdftotext', '-raw', pdfPath, '-'])
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def getDatetimeFromFileName(aDatetimeStr):
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return datetime.strptime(aDatetimeStr, '%Y%m%d.pdf')
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def getMonthIndexSinceEpoch(aDatetime):
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return aDatetime.year * 12 + aDatetime.month
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def getMonthNameFromMonthIndex(monthIndex):
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return datetime((monthIndex - 1) // 12, 1 + (monthIndex - 1) % 12, 1).strftime('%b %Y')
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