Added backup command (close #248)

CB/Core.py

@@ -423,8 +423,15 @@ def backup_check(self):
             return False
 
     def backup_wtf(self, console):
-        zipf = zipfile.ZipFile(Path('WTF-Backup', f'{datetime.datetime.now().strftime("%d%m%y")}.zip'), 'w',
-                               zipfile.ZIP_DEFLATED)
+        archive = Path('WTF-Backup', f'{datetime.datetime.now().strftime("%d%m%y")}.zip')
+        if os.path.isfile(archive):
+            suffix = 1
+            while True:
+                archive = Path('WTF-Backup', f'{datetime.datetime.now().strftime("%d%m%y")}-{suffix}.zip')
+                if not os.path.isfile(archive):
+                    break
+                suffix += 1
+        zipf = zipfile.ZipFile(archive, 'w', zipfile.ZIP_DEFLATED)
         filecount = 0
         for _, _, files in os.walk('WTF/', topdown=True, followlinks=True):
             files = [f for f in files if not f[0] == '.']

CB/__init__.py

@@ -2,7 +2,7 @@
 import random
 from rich.terminal_theme import TerminalTheme
 
-__version__ = '3.15.5'
+__version__ = '3.16.0'
 __license__ = 'GPLv3'
 __copyright__ = '2019-2020, Paweł Jastrzębski <[email protected]>'
 __docformat__ = 'restructuredtext en'

CurseBreaker.py

@@ -343,6 +343,7 @@ def setup_completer(self):
             'orphans': None,
             'search': None,
             'recommendations': None,
+            'backup': None,
             'import': {'install': None},
             'export': None,
             'toggle': {'authors': None,
@@ -810,6 +811,9 @@ def c_recommendations(self, _):
             if not found:
                 self.console.print('Not found any recommendations for you. Good job!')
 
+    def c_backup(self, _):
+        self.core.backup_wtf(None if self.headless else self.console)
+
     def c_import(self, args):
         hit, partial_hit, miss = self.core.detect_addons()
         if args == 'install' and len(hit) > 0:
@@ -857,6 +861,7 @@ def c_help(self, _):
                            '[green]search [Keyword][/green]\n\tExecutes addon search on CurseForge.\n'
                            '[green]recommendations[/green]\n\tCheck the list of currently installed addons against a co'
                            'mmunity-driven database of tips.\n'
+                           '[green]backup[/green]\n\tCommand creates a backup of WTF directory.\n'
                            '[green]import[/green]\n\tCommand attempts to import already installed addons.\n'
                            '[green]export[/green]\n\tCommand prints list of all installed addons in a form suitable f'
                            'or sharing.\n'