Add module purchase_stock_usability

Port purchase_usability to v12

base_usability/models/misc.py

@@ -17,32 +17,3 @@ class BaseLanguageInstall(models.TransientModel):
     _inherit = 'base.language.install'
 
     overwrite = fields.Boolean(default=True)
-
-
-class BaseUsabilityInstalled(models.AbstractModel):
-    _name = "base.usability.installed"
-    _description = "technical flag to see if base_usability module is installed"
-
-
-formatLang_original = misc.formatLang
-
-def formatLang(self, value, digits=None, grouping=True, monetary=False,
-               dp=False, currency_obj=False, int_no_digits=True):
-    with api.Environment.manage():
-        env = api.Environment(self.cr, self.uid, {})
-        if (
-                'base.usability.installed' in env and
-                int_no_digits and
-                not monetary and
-                isinstance(value, float) and
-                dp):
-            prec = env['decimal.precision'].precision_get(dp)
-            if not float_compare(value, int(value), precision_digits=prec):
-                digits = 0
-                dp = False
-    res = formatLang_original(
-        self, value, digits=digits, grouping=grouping, monetary=monetary,
-        dp=dp, currency_obj=currency_obj)
-    return res
-
-misc.formatLang = formatLang