Added command line arguments for initial years

Author: JanisV

README.md

@@ -10,6 +10,20 @@ YearCalculator is a part of [OpenNumismat](http://opennumismat.github.io/) proje
 [Latest version for Windows 10 and later](https://github.com/OpenNumismat/YearCalculator/releases/latest)
 [Version 0.1 for Windows XP and later](https://github.com/OpenNumismat/YearCalculator/releases/download/0.1/YearCalculator.zip)
 
+#### Usage
+    YearCalculator.exe [-h] [-l {en,bg,de,es,pt,ru,sl,uk}] [-g GREGORIAN] [-n NATIVE]
+                       [-c {hebrew,islamic,iranian,japanese,roman,nepal,thai,burmese}]
+
+    options:
+      -h, --help            show this help message and exit
+      -l {en,bg,de,es,pt,ru,sl,uk}, --lang {en,bg,de,es,pt,ru,sl,uk}
+                            UI language. If not specified, the system language is used
+      -g GREGORIAN, --gregorian GREGORIAN
+                            Initial gregorian year
+      -n NATIVE, --native NATIVE
+                            Initial year in native calendar
+      -c {hebrew,islamic,iranian,japanese,roman,nepal,thai,burmese}, --calendar {hebrew,islamic,iranian,japanese,roman,nepal,thai,burmese}
+
 #### For run from source code
     pip3 install -r requirements.txt
     python3 src/run.py

src/YearCalculator.py

@@ -11,8 +11,8 @@ class YearCalculatorDialog(QDialog):
     class CALENDARS():
         HEBREW = 0
         ISLAMIC = 1
-        SOLAR_HIJRI = 2
-        JAPAN = 3
+        IRANIAN = 2
+        JAPANESE = 3
         ROMAN = 4
         NEPAL = 5
         THAI = 6

src/run.py

@@ -13,6 +13,18 @@ def main():
         "-l", "--lang", choices=('en', 'bg', 'de', 'es', 'pt', 'ru', 'sl', 'uk'),
         help="UI language. If not specified, the system language is used"
     )
+    parser.add_argument(
+        "-g", "--gregorian", type=int,
+        help="Initial gregorian year"
+    )
+    parser.add_argument(
+        "-n", "--native",
+        help="Initial year in native calendar"
+    )
+    parser.add_argument(
+        "-c", "--calendar",
+        choices=('hebrew', 'islamic', 'iranian', 'japanese', 'roman', 'nepal', 'thai', 'burmese')
+    )
 
     args = parser.parse_args()
 
@@ -30,7 +42,36 @@ def main():
     if translator.load(locale, 'qtbase', '_', path):
         app.installTranslator(translator)
 
-    dlg = YearCalculatorDialog('2022', '')
+    if args.gregorian:
+        gregorian_year = str(args.gregorian)
+    else:
+        gregorian_year = ''
+
+    if args.native:
+        native_year = args.native
+    else:
+        native_year = ''
+
+    if args.calendar == 'hebrew':
+        calendar_type = YearCalculatorDialog.CALENDARS.HEBREW
+    elif args.calendar == 'islamic':
+        calendar_type = YearCalculatorDialog.CALENDARS.ISLAMIC
+    elif args.calendar == 'iranian':
+        calendar_type = YearCalculatorDialog.CALENDARS.IRANIAN
+    elif args.calendar == 'japanese':
+        calendar_type = YearCalculatorDialog.CALENDARS.JAPANESE
+    elif args.calendar == 'roman':
+        calendar_type = YearCalculatorDialog.CALENDARS.ROMAN
+    elif args.calendar == 'nepal':
+        calendar_type = YearCalculatorDialog.CALENDARS.NEPAL
+    elif args.calendar == 'thai':
+        calendar_type = YearCalculatorDialog.CALENDARS.THAI
+    elif args.calendar == 'burmese':
+        calendar_type = YearCalculatorDialog.CALENDARS.BURMESE
+    else:
+        calendar_type = YearCalculatorDialog.CALENDARS.DEFAULT
+
+    dlg = YearCalculatorDialog(gregorian_year, native_year, calendar_type)
     if dlg.exec() == QDialog.Accepted:
         print(dlg.year(), '=', dlg.nativeYear())