Initial import from Docker volume

ir/ui/icon.py

@@ -0,0 +1,87 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of this
+# repository contains the full copyright notices and license terms.
+
+import os
+
+from trytond.cache import Cache
+from trytond.model import ModelSQL, ModelView, fields, sequence_ordered
+from trytond.rpc import RPC
+from trytond.tools import file_open
+from trytond.transaction import Transaction
+
+
+class Icon(
+        fields.fmany2one(
+            'module_ref', 'module', 'ir.module,name', "Module",
+            readonly=True, required=True, ondelete='CASCADE'),
+        sequence_ordered(), ModelSQL, ModelView):
+    'Icon'
+    __name__ = 'ir.ui.icon'
+
+    name = fields.Char('Name', required=True)
+    module = fields.Char('Module', readonly=True, required=True)
+    path = fields.Char('SVG Path', readonly=True, required=True)
+    icon = fields.Function(fields.Char('Icon', depends=['path']), 'get_icon')
+    _list_icons = Cache('ir.ui.icon.list_icons', context=False)
+
+    @classmethod
+    def __setup__(cls):
+        super(Icon, cls).__setup__()
+        cls.__rpc__.update({
+                'list_icons': RPC(),
+                })
+
+    @classmethod
+    def __register__(cls, module_name):
+        super().__register__(module_name)
+
+        table = cls.__table_handler__(module_name)
+
+        # Migration from 5.0: remove required on sequence
+        table.not_null_action('sequence', 'remove')
+
+    @staticmethod
+    def default_module():
+        return Transaction().context.get('module') or ''
+
+    @staticmethod
+    def default_sequence():
+        return 10
+
+    @classmethod
+    def list_icons(cls):
+        icons = cls._list_icons.get(None)
+        if icons is not None:
+            return icons
+        icons = {}
+        for icon in cls.browse(cls.search([],
+                order=[('sequence', 'ASC'), ('id', 'ASC')])):
+            if icon.name not in icons:
+                icons[icon.name] = icon.id
+        icons = sorted((icon_id, name) for name, icon_id in icons.items())
+        cls._list_icons.set(None, icons)
+        return icons
+
+    def get_icon(self, name):
+        path = os.path.join(self.module, self.path.replace('/', os.sep))
+        with file_open(
+                path,
+                subdir='modules' if self.module not in {'ir', 'res'} else '',
+                mode='r', encoding='utf-8') as fp:
+            return fp.read()
+
+    @classmethod
+    def create(cls, vlist):
+        icons = super().create(vlist)
+        cls._list_icons.clear()
+        return icons
+
+    @classmethod
+    def write(cls, *args):
+        super().write(*args)
+        cls._list_icons.clear()
+
+    @classmethod
+    def delete(cls, icons):
+        super().delete(icons)
+        cls._list_icons.clear()