#2: Use pdftotext -layout instead of pdftotext -raw to distinguish debit from credit

bnp_pdf_statement_parser.py

@@ -6,6 +6,7 @@ import matplotlib.ticker as ticker
 from datetime import datetime
 from utils import getDatetimeFromFileName, getMonthIndexSinceEpoch, getMonthNameFromMonthIndex, readPdfBankStatement
 import operator
+from pprint import pprint
 
 PATH = f'/home/benjamin/Desktop/bens_folder/bazaar/documents/bnp/bank_statements/'
 
@@ -34,11 +35,12 @@ for folder in os.listdir():
             filePath = f'{folder}/{file}'
             print(filePath)
             print(readPdfBankStatement(filePath))
-            exit(0)
+            #exit(0)
             transactions = readPdfBankStatement(filePath)[3]
+            pprint(transactions)
             appendTransactions(transactions, folder)
 
-#exit(1)
+exit(1)
 os.chdir(f'{MAIN_BANK_ACCOUNT}/')
 
 for folder in sorted(os.listdir()):
@@ -53,7 +55,6 @@ for folder in sorted(os.listdir()):
         #break
     #break
 
-from pprint import pprint
 allTransactions.sort(key = operator.itemgetter('date'))
 print(len(allTransactions))
 pprint(allTransactions)

utils.py

@@ -2,17 +2,18 @@ import subprocess
 from datetime import datetime
 import re
 
-FIRST_LINE_OF_PAYMENT_REGEX = re.compile('(\\d{2}\\.\\d{2}) (\\d{2}\\.\\d{2}) ([\\d ]+,\\d{2})')
+# Source: [the Stack Overflow answer 766377](https://stackoverflow.com/a/766377)
+FIRST_LINE_OF_PAYMENT_REGEX = re.compile('\\ +(\\d{2}\\.\\d{2})\\ +([A-Z\\d /.()*]+?)\\ +(\\d{2}\\.\\d{2})\\ +([\\d ]+,\\d{2})')
 END_PAGE_AFTER_THE_FIRST_ONE_REGEX = re.compile('P\\. \\d+/\\d+')
-SOLDE_CREDITEUR_AU_REGEX = re.compile('SOLDE CREDITEUR AU (\\d{2}\\.\\d{2}\\.\\d{4}) ([\\d ]+,\\d{2})')
-TOTAL_DES_OPERATIONS_REGEX = re.compile('TOTAL\\ DES\\ OPERATIONS\\ ([\\d ]+,\\d{2})\\ ([\\d ]+,\\d{2})')
-TOTAL_DES_OPERATIONS_CREDIT_ONLY_REGEX = re.compile('TOTAL\\ DES\\ OPERATIONS\\ ([\\d ]+,\\d{2})')
+SOLDE_CREDITEUR_AU_REGEX = re.compile('\\ +SOLDE CREDITEUR AU (\\d{2}\\.\\d{2}\\.\\d{4})\\ +([\\d ]+,\\d{2})')
+TOTAL_DES_OPERATIONS_REGEX = re.compile('\\ +TOTAL\\ DES\\ OPERATIONS\\ +([\\d ]+,\\d{2})\\ +([\\d ]+,\\d{2})')
+TOTAL_DES_OPERATIONS_CREDIT_ONLY_REGEX = re.compile('\\ +TOTAL\\ DES\\ OPERATIONS\\ +([\\d ]+,\\d{2})')
 
 def execute(command):
     return subprocess.check_output(command).decode('utf-8')
 
 def getTextFromPdf(pdfPath):
-    return execute(['pdftotext', '-raw', pdfPath, '-'])
+    return execute(['pdftotext', '-layout', pdfPath, '-'])
 
 def getDatetimeFromFileName(aDatetimeStr):
     #aDatetime = datetime.strptime(aDatetimeStr, '%Y%m%d.pdf')
@@ -56,6 +57,7 @@ def readPdfBankStatement(filePath):
                 if soldeCrediteurAuRegexMatch is not None:
                     initialDate = datetime.strptime(soldeCrediteurAuRegexMatch.group(1), '%d.%m.%Y')
                     initialAmount = toFloat(soldeCrediteurAuRegexMatch.group(2))
+                    print(f'{initialAmount=}')
                     #currentAmount = initialAmount
                 started = True
                 continue
@@ -66,16 +68,20 @@ def readPdfBankStatement(filePath):
                 started = False
                 continue
             # We aren't interested in the content after this line
-            elif line.startswith('TOTAL DES OPERATIONS'):
+            else:
                 totalDesOperationsRegexMatch = TOTAL_DES_OPERATIONS_REGEX.match(line)
-                # Note that transfer between accounts will be noted in both debits and credits, as trying to cancel would make benefits show as negative debit which does not make sense.
-                # Cannot just consider January as benefits only as `20240122.pdf` also contains an additional transfer between my accounts.
-                if totalDesOperationsRegexMatch is not None:
-                    totalMonthlyDebit, totalMonthlyCredit = [toFloat(group) for group in totalDesOperationsRegexMatch.groups()]
-                else:
-                    totalMonthlyCredit = toFloat(TOTAL_DES_OPERATIONS_CREDIT_ONLY_REGEX.match(line).group(1))
-                    totalMonthlyDebit = 0
-                break
+                totalDesOperationsCreditOnlyRegexMatch = TOTAL_DES_OPERATIONS_CREDIT_ONLY_REGEX.match(line)
+                if totalDesOperationsRegexMatch is not None or totalDesOperationsCreditOnlyRegexMatch is not None:
+                    # Note that transfer between accounts will be noted in both debits and credits, as trying to cancel would make benefits show as negative debit which does not make sense.
+                    # Cannot just consider January as benefits only as `20240122.pdf` also contains an additional transfer between my accounts.
+                    if totalDesOperationsRegexMatch is not None:
+                        totalMonthlyDebit, totalMonthlyCredit = [toFloat(group) for group in totalDesOperationsRegexMatch.groups()]
+                    else:
+                        totalMonthlyCredit = toFloat(totalDesOperationsCreditOnlyRegexMatch.group(1))
+                        totalMonthlyDebit = 0
+                    print(f'{totalMonthlyDebit=}')
+                    print(f'{totalMonthlyCredit=}')
+                    break
             firstLineOfPaymentRegexMatch = FIRST_LINE_OF_PAYMENT_REGEX.match(line)
             if firstLineOfPaymentRegexMatch is not None:
                 print(line)
@@ -88,11 +94,12 @@ def readPdfBankStatement(filePath):
                         'comment': '\n'.join(comment)
                     }]
                     date = None
-                date, valeur, amount = firstLineOfPaymentRegexMatch.groups()
+                date, firstCommentLine, valeur, amount = firstLineOfPaymentRegexMatch.groups()
                 amount = toFloat(amount)
                 #currentAmount -= amount
-                comment = []
-            else:
+                comment = [firstCommentLine]
+            elif line != '':
+                print(f'comment: {line}')
                 comment += [line]
     if date is not None:
         transactions += [{