Use symlog scale instead of log

bnp_pdf_statement_parser.py

@@ -39,6 +39,8 @@ PRINT_TRANSACTIONS = False
 
 totalMonthlyDebits = []
 totalMonthlyCredits = []
+totalMonthlyDifferences = []
+totals = []
 firstDatetime = None
 lastDatetime = None
 for folder in sorted(os.listdir()):
@@ -66,6 +68,7 @@ for folder in sorted(os.listdir()):
                         currentAmount = initialAmount
                         print('Initial amount', initialAmount)
                         print()
+                        totals += [initialAmount]
                     started = True
                     continue
             else:
@@ -82,6 +85,9 @@ for folder in sorted(os.listdir()):
                     print(f'Total monthly credit: {totalMonthlyCredit}')
                     totalMonthlyDebits += [totalMonthlyDebit]
                     totalMonthlyCredits += [totalMonthlyCredit]
+                    totalMonthlyDifference = totalMonthlyCredit - totalMonthlyDebit
+                    #print(totalMonthlyDifference)
+                    totalMonthlyDifferences += [totalMonthlyDifference]
                     break
                 if firstLineOfPaymentRegex.match(line) is not None:
                     if date is not None and PRINT_TRANSACTIONS:
@@ -108,21 +114,23 @@ def getMonthIndex(aDatetimeStr):
     aDatetime = datetime.strptime(aDatetimeStr, '%Y%m%d.pdf')
     return aDatetime.year * 12 + aDatetime.month
 
-'''
-print(firstDatetime)
-print(lastDatetime)
-exit(1)
-'''
-#print(getMonthIndex(firstDatetime))
-#print(getMonthIndex(lastDatetime))
 xTicks = range(getMonthIndex(firstDatetime), getMonthIndex(lastDatetime) + 1)
-#print(len(xTicks))
-#print(len(totalMonthlyDebits))
-plt.bar(xTicks, totalMonthlyDebits, alpha = ALPHA, label = 'Debit')
-plt.bar(xTicks, totalMonthlyCredits, alpha = ALPHA, label = 'Credit')
+# sign does not seem respected for `totalMonthlyDifferences`.
+#print(totalMonthlyDifferences)
+#print(f'{min(totalMonthlyDifferences)}')
+#print(f'{max(totalMonthlyDifferences)}')
+totalMonthlyAmountAndLabel = (
+    #(totalMonthlyDebits, 'Debit'),
+    #(totalMonthlyCredits, 'Credit'),
+    (totalMonthlyDifferences, 'Difference'),
+    (totals, 'Total'),
+)
+for totalMonthlyAmount, totalMonthlyLabel in totalMonthlyAmountAndLabel:
+    plt.bar(xTicks, totalMonthlyAmount, alpha = ALPHA, label = totalMonthlyLabel)
 plt.legend()
 
-plt.yscale('log')
+# Hides negative
+#plt.yscale('symlog')
 ax.yaxis.set_major_formatter(ticker.StrMethodFormatter('{x:,}'))
 
 def getMonthName(monthIndex):