1 files changed, 36 insertions, 0 deletions
diff --git a/pytzdata/commands/zones.py b/pytzdata/commands/zones.py
new file mode 100644
index 0000000..ef3e33a
--- /dev/null
+++ b/pytzdata/commands/zones.py
@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+
+import os
+import pprint
+import pytzdata
+
+from cleo import Command
+
+
+class ZonesCommand(Command):
+    """
+    Dumps available timezones to the _timezone.py file.
+
+    zones:dump
+    """
+
+    TEMPLATE = """# -*- coding: utf-8 -*-
+
+timezones = {}
+"""
+
+    def handle(self):
+        zones = pytzdata.get_timezones()
+
+        tz_file = os.path.join(
+            os.path.dirname(__file__),
+            '..',
+            '_timezones.py'
+        )
+
+        with open(tz_file, 'w') as fd:
+            fd.write(
+                self.TEMPLATE.format(pprint.pformat(zones))
+            )
+
+        self.info('Dumped <comment>{}</> timezones'.format(len(zones)))