fix reset_check_constraint_of_placeholders

ereuse_devicehub/inventory/forms.py

@@ -521,22 +521,22 @@ class NewDeviceForm(FlaskForm):
         error = ["Not a correct value"]
         is_valid = super().validate(extra_validators)
 
-        if self.weight.data and not (0.1 <= self.weight.data):
+        if self.weight.data and not (0.1 <= self.weight.data) or self.weight.data == 0:
             txt = ["Supported values greater than 0.1"]
             self.weight.errors = txt
             is_valid = False
 
-        if self.height.data and not (0.1 <= self.height.data):
+        if self.height.data and not (0.1 <= self.height.data) or self.height.data == 0:
             txt = ["Supported values greater than 0.1"]
             self.height.errors = txt
             is_valid = False
 
-        if self.width.data and not (0.1 <= self.width.data):
+        if self.width.data and not (0.1 <= self.width.data) or self.width.data == 0:
             txt = ["Supported values greater than 0.1"]
             self.width.errors = txt
             is_valid = False
 
-        if self.depth.data and not (0.1 <= self.depth.data):
+        if self.depth.data and not (0.1 <= self.depth.data) or self.depth.data == 0:
             txt = ["Supported values greater than 0.1"]
             self.depth.errors = txt
             is_valid = False

ereuse_devicehub/migrations/versions/57e6201f280c_reset_check_constraint_of_placeholders.py

@@ -23,18 +23,29 @@ def get_inv():
 
 
 def upgrade():
+    sql = "select constraint_name from information_schema.table_constraints "
+    sql += "where table_name='device' and constraint_type='CHECK';"
+    con = op.get_bind()
+    constraints = []
+    for c in con.execute(sql):
+        constraints.append(c.constraint_name)
+    if 'device_depth_check' in constraints:
         op.drop_constraint(
             'device_depth_check', "device", type_="check", schema=f'{get_inv()}'
         )
+    if 'device_height_check' in constraints:
         op.drop_constraint(
             'device_height_check', "device", type_="check", schema=f'{get_inv()}'
         )
+    if 'device_width_check' in constraints:
         op.drop_constraint(
             'device_width_check', "device", type_="check", schema=f'{get_inv()}'
         )
+    if 'device_weight_check' in constraints:
         op.drop_constraint(
             'device_weight_check', "device", type_="check", schema=f'{get_inv()}'
         )
+
     op.create_check_constraint(
         "device_depth_check",
         "device",