check property setter and custom field only called after install

frappe/core/doctype/custom_field/custom_field.py

@@ -32,7 +32,7 @@ class CustomField(Document):
 	def on_update(self):
 		frappe.clear_cache(doctype=self.dt)
 
-		if not self.ignore_validate:
+		if not getattr(self, "ignore_validate", None):
 			# validate field
 			from frappe.core.doctype.doctype.doctype import validate_fields_for_doctype
 			validate_fields_for_doctype(self.dt)

frappe/model/db_schema.py

@@ -94,21 +94,18 @@ class DbTable:
 			get columns from docfields and custom fields
 		"""
 		fl = frappe.db.sql("SELECT * FROM tabDocField WHERE parent = %s", self.doctype, as_dict = 1)
+		precisions = {}
 
-		try:
+		if not frappe.flags.in_install_app:
 			custom_fl = frappe.db.sql("""\
 				SELECT * FROM `tabCustom Field`
 				WHERE dt = %s AND docstatus < 2""", (self.doctype,), as_dict=1)
 			if custom_fl: fl += custom_fl
-		except Exception, e:
-			if e.args[0]!=1146: # ignore no custom field
-				raise
 
-		# get precision from property setters
-		precisions = {}
-		for ps in frappe.get_all("Property Setter", fields=["field_name", "value"],
-			filters={"doc_type": self.doctype, "doctype_or_field": "DocField", "property": "precision"}):
-				precisions[ps.field_name] = ps.value
+			# get precision from property setters
+			for ps in frappe.get_all("Property Setter", fields=["field_name", "value"],
+				filters={"doc_type": self.doctype, "doctype_or_field": "DocField", "property": "precision"}):
+					precisions[ps.field_name] = ps.value
 
 		for f in fl:
 			self.columns[f['fieldname']] = DbColumn(self, f['fieldname'],