334 lines
9.3 KiB
Python
334 lines
9.3 KiB
Python
# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
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# MIT License. See license.txt
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from __future__ import unicode_literals
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import frappe
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from frappe import _, msgprint
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from frappe.utils import cint, flt, cstr, now
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from frappe.modules import load_doctype_module
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from frappe.model.base_document import BaseDocument
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# once_only validation
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# methods
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def get_doc(arg1, arg2=None):
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if isinstance(arg1, basestring):
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doctype = arg1
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else:
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doctype = arg1.get("doctype")
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module = load_doctype_module(doctype)
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classname = doctype.replace(" ", "")
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if hasattr(module, classname):
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_class = getattr(module, classname)
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if issubclass(_class, Document):
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return getattr(module, classname)(arg1, arg2)
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return Document(arg1, arg2)
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class Document(BaseDocument):
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def __init__(self, arg1, arg2=None):
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self.doctype = self.name = None
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if arg1 and isinstance(arg1, basestring):
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if not arg2:
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# single
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self.doctype = self.name = arg1
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else:
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self.doctype = arg1
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if isinstance(arg2, dict):
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# filter
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self.name = frappe.db.get_value(arg1, arg2, "name")
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if self.name is None:
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raise frappe.DoesNotExistError
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else:
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self.name = arg2
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self.load_from_db()
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elif isinstance(arg1, dict):
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super(Document, self).__init__(arg1)
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else:
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# incorrect arguments. let's not proceed.
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raise frappe.DataError("Document({0}, {1})".format(arg1, arg2))
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def load_from_db(self):
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if not getattr(self, "_metaclass", False) and self.meta.issingle:
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self.update(frappe.db.get_singles_dict(self.doctype))
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self._fix_numeric_types()
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else:
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d = frappe.db.get_value(self.doctype, self.name, "*", as_dict=1)
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self.update(d, valid_columns = d.keys())
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for df in self.get_table_fields():
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children = frappe.db.get_values(df.options,
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{"parent": self.name, "parenttype": self.doctype, "parentfield": df.fieldname},
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"*", as_dict=True)
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if children:
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self.set(df.fieldname, children, children[0].keys())
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else:
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self.set(df.fieldname, [])
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def get_table_fields(self):
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return self.meta.get('fields', {"fieldtype":"Table"})
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def has_permission(self, permtype):
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if getattr(self, "_ignore_permissions", False):
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return True
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return frappe.has_permission(self.doctype, permtype, self)
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def insert(self):
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# check links
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# check permissions
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self.set("__islocal", True)
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if not self.has_permission("create"):
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raise frappe.PermissionError
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self._set_defaults()
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self._set_docstatus_user_and_timestamp()
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self._check_if_latest()
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self.run_method("before_insert")
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self.run_before_save_methods()
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self._validate()
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# run validate, on update etc.
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# parent
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if self.meta.issingle:
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self.update_single(self.get_valid_dict())
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else:
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self.db_insert()
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# children
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for d in self.get_all_children():
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d.parent = self.name
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d.db_insert()
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self.run_method("after_insert")
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self.run_post_save_methods()
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def save(self):
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if self.get("__islocal") or not self.get("name"):
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self.insert()
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return
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if not self.has_permission("write"):
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raise frappe.PermissionError
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self._set_docstatus_user_and_timestamp()
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self._check_if_latest()
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self.run_before_save_methods()
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self._validate()
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# parent
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if self.meta.issingle:
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self.update_single(self.get_valid_dict())
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else:
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self.db_update()
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# children
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ignore_children_type = self.get("_ignore_children_type", [])
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for d in self.get_all_children():
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if d.doctype not in _ignore_children_type:
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d.parent = self.name
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d.db_update()
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self.run_post_save_methods()
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def update_single(self, d):
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frappe.db.sql("""delete from tabSingles where doctype=%s""", self.doctype)
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for field, value in d.iteritems():
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if field not in ("doctype"):
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frappe.db.sql("""insert into tabSingles(doctype, field, value)
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values (%s, %s, %s)""", (self.doctype, field, value))
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def _set_docstatus_user_and_timestamp(self):
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self._original_modified = self.modified
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self.modified = now()
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self.modified_by = frappe.session.user
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if not self.creation:
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self.creation = self.modified
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if not self.owner:
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self.owner = self.modified_by
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if self.docstatus==None:
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self.docstatus=0
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for d in self.get_all_children():
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d.docstatus = self.docstatus
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d.modified = self.modified
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d.modified_by = self.modified_by
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if not d.owner:
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d.owner = self.owner
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if not d.creation:
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d.creation = self.creation
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def _validate(self):
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self._validate_mandatory()
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self._validate_links()
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self._validate_constants()
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for d in self.get_all_children():
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d._validate_constants()
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self._extract_images_from_text_editor()
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def _set_defaults(self):
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if frappe.flags.in_import:
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return
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new_doc = frappe.new_doc(self.doctype).fields
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self.set_missing_values(new_doc)
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# children
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for df in self.meta.get("fields", {"fieldtype":"Table"}):
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new_doc = frappe.new_doc(df.options).fields
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value = self.get(df.fieldname)
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if isinstance(value, list):
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for d in value:
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d.set_missing_values(new_doc)
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def _check_if_latest(self):
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conflict = False
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self._action = "save"
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if not self.get('__islocal'):
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if self.meta.issingle:
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modified = frappe.db.get_value(self.doctype, self.name, "modified")
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if cstr(modified) and cstr(modified) != cstr(self._original_modified):
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conflict = True
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else:
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tmp = frappe.db.get_value(self.doctype, self.name,
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["modified", "docstatus"], as_dict=True)
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if not tmp:
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frappe.msgprint("""This record does not exist. Please refresh.""", raise_exception=1)
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modified = cstr(tmp.modified)
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if modified and modified != cstr(self._original_modified):
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conflict = True
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self.check_docstatus_transition(tmp.docstatus)
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if conflict:
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frappe.msgprint(_("Error: Document has been modified after you have opened it") \
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+ (" (%s, %s). " % (modified, self.modified)) \
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+ _("Please refresh to get the latest document."),
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raise_exception=frappe.TimestampMismatchError)
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def check_docstatus_transition(self, docstatus):
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if not self.docstatus:
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self.docstatus = 0
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if docstatus==0:
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if self.docstatus==0:
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self._action = "save"
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elif self.docstatus==1:
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self._action = "submit"
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if not self.has_permission("submit"):
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raise frappe.PermissionError
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else:
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raise frappe.DocstatusTransitionError
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elif docstatus==1:
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if self.docstatus==1:
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self._action = "update_after_submit"
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self.validate_update_after_submit()
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if not self.has_permission("submit"):
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raise frappe.PermissionError
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elif self.docstatus==2:
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self._action = "cancel"
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if not self.has_permission("cancel"):
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raise frappe.PermissionError
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else:
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raise frappe.DocstatusTransitionError
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elif docstatus==2:
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raise frappe.ValidationError
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def validate_update_after_submit(self):
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# check only allowed values are updated
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pass
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def _validate_mandatory(self):
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if self.get("ignore_mandatory"):
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return
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missing = self._get_missing_mandatory_fields()
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for d in self.get_all_children():
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missing.extend(d._get_missing_mandatory_fields())
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if not missing:
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return
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for fieldname, msg in missing:
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msgprint(msg)
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raise frappe.MandatoryError(", ".join((each[0] for each in missing)))
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def _validate_links(self):
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if self.get("ignore_links"):
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return
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invalid_links = self.get_invalid_links()
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for d in self.get_all_children():
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invalid_links.extend(d.get_invalid_links())
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if not invalid_links:
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return
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msg = ", ".join((each[2] for each in invalid_links))
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frappe.throw("{}: {}".format(_("Could not find the following documents"), msg),
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frappe.LinkValidationError)
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def get_all_children(self):
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ret = []
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for df in self.meta.get("fields", {"fieldtype": "Table"}):
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value = self.get(df.fieldname)
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if isinstance(value, list):
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ret.extend(value)
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return ret
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def _extract_images_from_text_editor(self):
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from frappe.utils.file_manager import extract_images_from_html
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if self.doctype != "DocType":
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for df in self.meta.get("fields", {"fieldtype":"Text Editor"}):
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extract_images_from_html(self, df.fieldname)
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def run_method(self, method, *args, **kwargs):
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"""run standard triggers, plus those in frappe"""
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def add_to_response(out, new_response):
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if isinstance(new_response, dict):
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out.update(new_response)
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if hasattr(self, method):
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add_to_response(frappe.local.response,
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getattr(self, method)(*args, **kwargs))
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args = [self, method] + list(args or [])
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for handler in frappe.get_hooks("bean_event:" + self.doctype + ":" + method) \
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+ frappe.get_hooks("bean_event:*:" + method):
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add_to_response(frappe.local.response,
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frappe.call(frappe.get_attr(handler), *args, **kwargs))
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return frappe.local.response
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def run_before_save_methods(self):
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if self._action=="save":
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self.run_method("validate")
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self.run_method("before_save")
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elif self._action=="submit":
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self.run_method("validate")
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self.run_method("before_submit")
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elif self._action=="cancel":
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self.run_method("before_cancel")
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elif self._action=="update_after_submit":
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self.run_method("before_update_after_submit")
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def run_post_save_methods(self):
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if self._action=="save":
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self.run_method("on_update")
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elif self._action=="submit":
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self.run_method("on_update")
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self.run_method("on_submit")
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elif self._action=="cancel":
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self.run_method("on_cancel")
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elif self._action=="update_after_submit":
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self.run_method("on_update_after_submit")
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