1410 lines
43 KiB
Python
1410 lines
43 KiB
Python
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# License: MIT. See LICENSE
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import hashlib
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import json
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import time
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from werkzeug.exceptions import NotFound
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import frappe
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from frappe import _, msgprint, is_whitelisted
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from frappe.utils import flt, cstr, now, get_datetime_str, file_lock, date_diff
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from frappe.model.base_document import BaseDocument, get_controller
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from frappe.model.naming import set_new_name, validate_name
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from frappe.model.docstatus import DocStatus
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from frappe.model import optional_fields, table_fields
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from frappe.model.workflow import validate_workflow
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from frappe.model.workflow import set_workflow_state_on_action
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from frappe.utils.global_search import update_global_search
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from frappe.integrations.doctype.webhook import run_webhooks
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from frappe.desk.form.document_follow import follow_document
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from frappe.core.doctype.server_script.server_script_utils import run_server_script_for_doc_event
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from frappe.utils.data import get_absolute_url
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# once_only validation
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# methods
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def get_doc(*args, **kwargs):
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"""returns a frappe.model.Document object.
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:param arg1: Document dict or DocType name.
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:param arg2: [optional] document name.
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:param for_update: [optional] select document for update.
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There are multiple ways to call `get_doc`
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# will fetch the latest user object (with child table) from the database
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user = get_doc("User", "test@example.com")
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# create a new object
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user = get_doc({
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"doctype":"User"
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"email_id": "test@example.com",
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"roles: [
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{"role": "System Manager"}
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]
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})
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# create new object with keyword arguments
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user = get_doc(doctype='User', email_id='test@example.com')
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# select a document for update
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user = get_doc("User", "test@example.com", for_update=True)
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"""
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if args:
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if isinstance(args[0], BaseDocument):
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# already a document
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return args[0]
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elif isinstance(args[0], str):
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doctype = args[0]
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elif isinstance(args[0], dict):
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# passed a dict
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kwargs = args[0]
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else:
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raise ValueError('First non keyword argument must be a string or dict')
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if len(args) < 2 and kwargs:
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if 'doctype' in kwargs:
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doctype = kwargs['doctype']
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else:
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raise ValueError('"doctype" is a required key')
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controller = get_controller(doctype)
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if controller:
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return controller(*args, **kwargs)
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raise ImportError(doctype)
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class Document(BaseDocument):
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"""All controllers inherit from `Document`."""
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def __init__(self, *args, **kwargs):
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"""Constructor.
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:param arg1: DocType name as string or document **dict**
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:param arg2: Document name, if `arg1` is DocType name.
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If DocType name and document name are passed, the object will load
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all values (including child documents) from the database.
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"""
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self.doctype = self.name = None
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self._default_new_docs = {}
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self.flags = frappe._dict()
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if args and args[0] and isinstance(args[0], str):
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# first arugment is doctype
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if len(args)==1:
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# single
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self.doctype = self.name = args[0]
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else:
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self.doctype = args[0]
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if isinstance(args[1], dict):
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# filter
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self.name = frappe.db.get_value(args[0], args[1], "name")
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if self.name is None:
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frappe.throw(_("{0} {1} not found").format(_(args[0]), args[1]),
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frappe.DoesNotExistError)
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else:
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self.name = args[1]
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if 'for_update' in kwargs:
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self.flags.for_update = kwargs.get('for_update')
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self.load_from_db()
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return
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if args and args[0] and isinstance(args[0], dict):
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# first argument is a dict
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kwargs = args[0]
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if kwargs:
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# init base document
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super(Document, self).__init__(kwargs)
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self.init_valid_columns()
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else:
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# incorrect arguments. let's not proceed.
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raise ValueError('Illegal arguments')
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@staticmethod
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def whitelist(fn):
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"""Decorator: Whitelist method to be called remotely via REST API."""
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frappe.whitelist()(fn)
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return fn
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def reload(self):
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"""Reload document from database"""
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self.load_from_db()
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def load_from_db(self):
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"""Load document and children from database and create properties
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from fields"""
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if not getattr(self, "_metaclass", False) and self.meta.issingle:
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single_doc = frappe.db.get_singles_dict(self.doctype)
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if not single_doc:
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single_doc = frappe.new_doc(self.doctype).as_dict()
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single_doc["name"] = self.doctype
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del single_doc["__islocal"]
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super(Document, self).__init__(single_doc)
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self.init_valid_columns()
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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, for_update=self.flags.for_update)
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if not d:
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frappe.throw(_("{0} {1} not found").format(_(self.doctype), self.name), frappe.DoesNotExistError)
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super(Document, self).__init__(d)
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if self.name=="DocType" and self.doctype=="DocType":
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from frappe.model.meta import DOCTYPE_TABLE_FIELDS
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table_fields = DOCTYPE_TABLE_FIELDS
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else:
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table_fields = self.meta.get_table_fields()
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for df in 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, order_by="idx asc")
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if children:
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self.set(df.fieldname, children)
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else:
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self.set(df.fieldname, [])
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# sometimes __setup__ can depend on child values, hence calling again at the end
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if hasattr(self, "__setup__"):
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self.__setup__()
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def get_latest(self):
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if not getattr(self, "latest", None):
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self.latest = frappe.get_doc(self.doctype, self.name)
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return self.latest
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def check_permission(self, permtype='read', permlevel=None):
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"""Raise `frappe.PermissionError` if not permitted"""
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if not self.has_permission(permtype):
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self.raise_no_permission_to(permlevel or permtype)
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def has_permission(self, permtype="read", verbose=False):
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"""Call `frappe.has_permission` if `self.flags.ignore_permissions`
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is not set.
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:param permtype: one of `read`, `write`, `submit`, `cancel`, `delete`"""
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import frappe.permissions
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if self.flags.ignore_permissions:
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return True
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return frappe.permissions.has_permission(self.doctype, permtype, self, verbose=verbose)
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def raise_no_permission_to(self, perm_type):
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"""Raise `frappe.PermissionError`."""
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frappe.flags.error_message = _('Insufficient Permission for {0}').format(self.doctype)
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raise frappe.PermissionError
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def insert(self, ignore_permissions=None, ignore_links=None, ignore_if_duplicate=False,
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ignore_mandatory=None, set_name=None, set_child_names=True):
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"""Insert the document in the database (as a new document).
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This will check for user permissions and execute `before_insert`,
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`validate`, `on_update`, `after_insert` methods if they are written.
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:param ignore_permissions: Do not check permissions if True."""
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if self.flags.in_print:
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return
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self.flags.notifications_executed = []
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if ignore_permissions is not None:
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self.flags.ignore_permissions = ignore_permissions
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if ignore_links is not None:
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self.flags.ignore_links = ignore_links
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if ignore_mandatory is not None:
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self.flags.ignore_mandatory = ignore_mandatory
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self.set("__islocal", True)
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self._set_defaults()
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self.set_user_and_timestamp()
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self.set_docstatus()
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self.check_if_latest()
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self._validate_links()
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self.check_permission("create")
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self.run_method("before_insert")
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self.set_new_name(set_name=set_name, set_child_names=set_child_names)
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self.set_parent_in_children()
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self.validate_higher_perm_levels()
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self.flags.in_insert = True
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self.run_before_save_methods()
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self._validate()
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self.set_docstatus()
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self.flags.in_insert = False
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# run validate, on update etc.
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# parent
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if getattr(self.meta, "issingle", 0):
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self.update_single(self.get_valid_dict())
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else:
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self.db_insert(ignore_if_duplicate=ignore_if_duplicate)
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# children
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for d in self.get_all_children():
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d.db_insert()
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self.run_method("after_insert")
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self.flags.in_insert = True
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if self.get("amended_from"):
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self.copy_attachments_from_amended_from()
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# flag to prevent creation of event update log for create and update both
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# during document creation
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self.flags.update_log_for_doc_creation = True
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self.run_post_save_methods()
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self.flags.in_insert = False
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# delete __islocal
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if hasattr(self, "__islocal"):
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delattr(self, "__islocal")
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# clear unsaved flag
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if hasattr(self, "__unsaved"):
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delattr(self, "__unsaved")
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if not (frappe.flags.in_migrate or frappe.local.flags.in_install or frappe.flags.in_setup_wizard):
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follow_document(self.doctype, self.name, frappe.session.user)
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return self
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def save(self, *args, **kwargs):
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"""Wrapper for _save"""
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return self._save(*args, **kwargs)
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def _save(self, ignore_permissions=None, ignore_version=None):
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"""Save the current document in the database in the **DocType**'s table or
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`tabSingles` (for single types).
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This will check for user permissions and execute
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`validate` before updating, `on_update` after updating triggers.
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:param ignore_permissions: Do not check permissions if True.
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:param ignore_version: Do not save version if True."""
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if self.flags.in_print:
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return
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self.flags.notifications_executed = []
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if ignore_permissions is not None:
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self.flags.ignore_permissions = ignore_permissions
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self.flags.ignore_version = frappe.flags.in_test if ignore_version is None else ignore_version
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if self.get("__islocal") or not self.get("name"):
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return self.insert()
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self.check_permission("write", "save")
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self.set_user_and_timestamp()
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self.set_docstatus()
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self.check_if_latest()
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self.set_parent_in_children()
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self.set_name_in_children()
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self.validate_higher_perm_levels()
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self._validate_links()
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self.run_before_save_methods()
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if self._action != "cancel":
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self._validate()
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if self._action == "update_after_submit":
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self.validate_update_after_submit()
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self.set_docstatus()
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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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self.update_children()
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self.run_post_save_methods()
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# clear unsaved flag
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if hasattr(self, "__unsaved"):
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delattr(self, "__unsaved")
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return self
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def copy_attachments_from_amended_from(self):
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"""Copy attachments from `amended_from`"""
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from frappe.desk.form.load import get_attachments
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#loop through attachments
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for attach_item in get_attachments(self.doctype, self.amended_from):
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#save attachments to new doc
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_file = frappe.get_doc({
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"doctype": "File",
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"file_url": attach_item.file_url,
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"file_name": attach_item.file_name,
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"attached_to_name": self.name,
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"attached_to_doctype": self.doctype,
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"folder": "Home/Attachments"})
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_file.save()
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def update_children(self):
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"""update child tables"""
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for df in self.meta.get_table_fields():
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self.update_child_table(df.fieldname, df)
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def update_child_table(self, fieldname, df=None):
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"""sync child table for given fieldname"""
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rows = []
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if not df:
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df = self.meta.get_field(fieldname)
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for d in self.get(df.fieldname):
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d.db_update()
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rows.append(d.name)
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if df.options in (self.flags.ignore_children_type or []):
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# do not delete rows for this because of flags
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# hack for docperm :(
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return
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if rows:
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# select rows that do not match the ones in the document
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deleted_rows = frappe.db.sql("""select name from `tab{0}` where parent=%s
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and parenttype=%s and parentfield=%s
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and name not in ({1})""".format(df.options, ','.join(['%s'] * len(rows))),
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[self.name, self.doctype, fieldname] + rows)
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if len(deleted_rows) > 0:
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# delete rows that do not match the ones in the document
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frappe.db.delete(df.options, {"name": ("in", tuple(row[0] for row in deleted_rows))})
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else:
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# no rows found, delete all rows
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frappe.db.delete(df.options, {
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"parent": self.name,
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"parenttype": self.doctype,
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"parentfield": fieldname
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})
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def get_doc_before_save(self):
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return getattr(self, '_doc_before_save', None)
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def has_value_changed(self, fieldname):
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'''Returns true if value is changed before and after saving'''
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previous = self.get_doc_before_save()
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return previous.get(fieldname)!=self.get(fieldname) if previous else True
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def set_new_name(self, force=False, set_name=None, set_child_names=True):
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"""Calls `frappe.naming.set_new_name` for parent and child docs."""
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if self.flags.name_set and not force:
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return
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# If autoname has set as Prompt (name)
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if self.get("__newname"):
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self.name = validate_name(self.doctype, self.get("__newname"))
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self.flags.name_set = True
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return
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if set_name:
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self.name = validate_name(self.doctype, set_name)
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else:
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set_new_name(self)
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if set_child_names:
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# set name for children
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for d in self.get_all_children():
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set_new_name(d)
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self.flags.name_set = True
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def get_title(self):
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"""Get the document title based on title_field or `title` or `name`"""
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return self.get(self.meta.get_title_field())
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def set_title_field(self):
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"""Set title field based on template"""
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def get_values():
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values = self.as_dict()
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# format values
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for key, value in values.items():
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if value is None:
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values[key] = ""
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return values
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if self.meta.get("title_field")=="title":
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df = self.meta.get_field(self.meta.title_field)
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if df.options:
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self.set(df.fieldname, df.options.format(**get_values()))
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elif self.is_new() and not self.get(df.fieldname) and df.default:
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# set default title for new transactions (if default)
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self.set(df.fieldname, df.default.format(**get_values()))
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def update_single(self, d):
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"""Updates values for Single type Document in `tabSingles`."""
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frappe.db.delete("Singles", {
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"doctype": self.doctype
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})
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for field, value in d.items():
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if field != "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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if self.doctype in frappe.db.value_cache:
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del frappe.db.value_cache[self.doctype]
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def set_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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# We'd probably want the creation and owner to be set via API
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# or Data import at some point, that'd have to be handled here
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if self.is_new() and not (frappe.flags.in_patch or frappe.flags.in_migrate):
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self.creation = self.modified
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self.owner = self.modified_by
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for d in self.get_all_children():
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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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frappe.flags.currently_saving.append((self.doctype, self.name))
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def set_docstatus(self):
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if self.docstatus is None:
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self.docstatus = DocStatus.draft()
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for d in self.get_all_children():
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d.docstatus = self.docstatus
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def _validate(self):
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self._validate_mandatory()
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self._validate_data_fields()
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self._validate_selects()
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self._validate_non_negative()
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self._validate_length()
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self._validate_code_fields()
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self._extract_images_from_text_editor()
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self._sanitize_content()
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self._save_passwords()
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self.validate_workflow()
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children = self.get_all_children()
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for d in children:
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d._validate_data_fields()
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d._validate_selects()
|
|
d._validate_non_negative()
|
|
d._validate_length()
|
|
d._validate_code_fields()
|
|
d._extract_images_from_text_editor()
|
|
d._sanitize_content()
|
|
d._save_passwords()
|
|
if self.is_new():
|
|
# don't set fields like _assign, _comments for new doc
|
|
for fieldname in optional_fields:
|
|
self.set(fieldname, None)
|
|
else:
|
|
self.validate_set_only_once()
|
|
|
|
def _validate_non_negative(self):
|
|
def get_msg(df):
|
|
if self.get("parentfield"):
|
|
return "{} {} #{}: {} {}".format(frappe.bold(_(self.doctype)),
|
|
_("Row"), self.idx, _("Value cannot be negative for"), frappe.bold(_(df.label)))
|
|
else:
|
|
return _("Value cannot be negative for {0}: {1}").format(_(df.parent), frappe.bold(_(df.label)))
|
|
|
|
for df in self.meta.get('fields', {'non_negative': ('=', 1),
|
|
'fieldtype': ('in', ['Int', 'Float', 'Currency'])}):
|
|
|
|
if flt(self.get(df.fieldname)) < 0:
|
|
msg = get_msg(df)
|
|
frappe.throw(msg, frappe.NonNegativeError, title=_("Negative Value"))
|
|
|
|
def validate_workflow(self):
|
|
"""Validate if the workflow transition is valid"""
|
|
if frappe.flags.in_install == 'frappe': return
|
|
workflow = self.meta.get_workflow()
|
|
if workflow:
|
|
validate_workflow(self)
|
|
if not self._action == 'save':
|
|
set_workflow_state_on_action(self, workflow, self._action)
|
|
|
|
def validate_set_only_once(self):
|
|
"""Validate that fields are not changed if not in insert"""
|
|
set_only_once_fields = self.meta.get_set_only_once_fields()
|
|
|
|
if set_only_once_fields and self._doc_before_save:
|
|
# document exists before saving
|
|
for field in set_only_once_fields:
|
|
fail = False
|
|
value = self.get(field.fieldname)
|
|
original_value = self._doc_before_save.get(field.fieldname)
|
|
|
|
if field.fieldtype in table_fields:
|
|
fail = not self.is_child_table_same(field.fieldname)
|
|
elif field.fieldtype in ('Date', 'Datetime', 'Time'):
|
|
fail = str(value) != str(original_value)
|
|
else:
|
|
fail = value != original_value
|
|
|
|
if fail:
|
|
frappe.throw(
|
|
_("Value cannot be changed for {0}").format(
|
|
frappe.bold(self.meta.get_label(field.fieldname))
|
|
),
|
|
exc=frappe.CannotChangeConstantError
|
|
)
|
|
|
|
return False
|
|
|
|
def is_child_table_same(self, fieldname):
|
|
"""Validate child table is same as original table before saving"""
|
|
value = self.get(fieldname)
|
|
original_value = self._doc_before_save.get(fieldname)
|
|
same = True
|
|
|
|
if len(original_value) != len(value):
|
|
same = False
|
|
else:
|
|
# check all child entries
|
|
for i, d in enumerate(original_value):
|
|
new_child = value[i].as_dict(convert_dates_to_str = True)
|
|
original_child = d.as_dict(convert_dates_to_str = True)
|
|
|
|
# all fields must be same other than modified and modified_by
|
|
for key in ('modified', 'modified_by', 'creation'):
|
|
del new_child[key]
|
|
del original_child[key]
|
|
|
|
if original_child != new_child:
|
|
same = False
|
|
break
|
|
|
|
return same
|
|
|
|
def apply_fieldlevel_read_permissions(self):
|
|
"""Remove values the user is not allowed to read (called when loading in desk)"""
|
|
|
|
if frappe.session.user == "Administrator":
|
|
return
|
|
|
|
has_higher_permlevel = False
|
|
|
|
all_fields = self.meta.fields.copy()
|
|
for table_field in self.meta.get_table_fields():
|
|
all_fields += frappe.get_meta(table_field.options).fields or []
|
|
|
|
for df in all_fields:
|
|
if df.permlevel > 0:
|
|
has_higher_permlevel = True
|
|
break
|
|
|
|
if not has_higher_permlevel:
|
|
return
|
|
|
|
has_access_to = self.get_permlevel_access('read')
|
|
|
|
for df in self.meta.fields:
|
|
if df.permlevel and not df.permlevel in has_access_to:
|
|
self.set(df.fieldname, None)
|
|
|
|
for table_field in self.meta.get_table_fields():
|
|
for df in frappe.get_meta(table_field.options).fields or []:
|
|
if df.permlevel and not df.permlevel in has_access_to:
|
|
for child in self.get(table_field.fieldname) or []:
|
|
child.set(df.fieldname, None)
|
|
|
|
def validate_higher_perm_levels(self):
|
|
"""If the user does not have permissions at permlevel > 0, then reset the values to original / default"""
|
|
if self.flags.ignore_permissions or frappe.flags.in_install:
|
|
return
|
|
|
|
if frappe.session.user == "Administrator":
|
|
return
|
|
|
|
has_access_to = self.get_permlevel_access()
|
|
high_permlevel_fields = self.meta.get_high_permlevel_fields()
|
|
|
|
if high_permlevel_fields:
|
|
self.reset_values_if_no_permlevel_access(has_access_to, high_permlevel_fields)
|
|
|
|
# If new record then don't reset the values for child table
|
|
if self.is_new(): return
|
|
|
|
# check for child tables
|
|
for df in self.meta.get_table_fields():
|
|
high_permlevel_fields = frappe.get_meta(df.options).get_high_permlevel_fields()
|
|
if high_permlevel_fields:
|
|
for d in self.get(df.fieldname):
|
|
d.reset_values_if_no_permlevel_access(has_access_to, high_permlevel_fields)
|
|
|
|
def get_permlevel_access(self, permission_type='write'):
|
|
if not hasattr(self, "_has_access_to"):
|
|
self._has_access_to = {}
|
|
|
|
self._has_access_to[permission_type] = []
|
|
roles = frappe.get_roles()
|
|
for perm in self.get_permissions():
|
|
if perm.role in roles and perm.get(permission_type):
|
|
if perm.permlevel not in self._has_access_to[permission_type]:
|
|
self._has_access_to[permission_type].append(perm.permlevel)
|
|
|
|
return self._has_access_to[permission_type]
|
|
|
|
def has_permlevel_access_to(self, fieldname, df=None, permission_type='read'):
|
|
if not df:
|
|
df = self.meta.get_field(fieldname)
|
|
|
|
return df.permlevel in self.get_permlevel_access(permission_type)
|
|
|
|
def get_permissions(self):
|
|
if self.meta.istable:
|
|
# use parent permissions
|
|
permissions = frappe.get_meta(self.parenttype).permissions
|
|
else:
|
|
permissions = self.meta.permissions
|
|
|
|
return permissions
|
|
|
|
def _set_defaults(self):
|
|
if frappe.flags.in_import:
|
|
return
|
|
|
|
new_doc = frappe.new_doc(self.doctype, as_dict=True)
|
|
self.update_if_missing(new_doc)
|
|
|
|
# children
|
|
for df in self.meta.get_table_fields():
|
|
new_doc = frappe.new_doc(df.options, as_dict=True)
|
|
value = self.get(df.fieldname)
|
|
if isinstance(value, list):
|
|
for d in value:
|
|
d.update_if_missing(new_doc)
|
|
|
|
def check_if_latest(self):
|
|
"""Checks if `modified` timestamp provided by document being updated is same as the
|
|
`modified` timestamp in the database. If there is a different, the document has been
|
|
updated in the database after the current copy was read. Will throw an error if
|
|
timestamps don't match.
|
|
|
|
Will also validate document transitions (Save > Submit > Cancel) calling
|
|
`self.check_docstatus_transition`."""
|
|
conflict = False
|
|
self._action = "save"
|
|
if not self.get('__islocal') and not self.meta.get('is_virtual'):
|
|
if self.meta.issingle:
|
|
modified = frappe.db.sql("""select value from tabSingles
|
|
where doctype=%s and field='modified' for update""", self.doctype)
|
|
modified = modified and modified[0][0]
|
|
if modified and modified != cstr(self._original_modified):
|
|
conflict = True
|
|
else:
|
|
tmp = frappe.db.sql("""select modified, docstatus from `tab{0}`
|
|
where name = %s for update""".format(self.doctype), self.name, as_dict=True)
|
|
|
|
if not tmp:
|
|
frappe.throw(_("Record does not exist"))
|
|
else:
|
|
tmp = tmp[0]
|
|
|
|
modified = cstr(tmp.modified)
|
|
|
|
if modified and modified != cstr(self._original_modified):
|
|
conflict = True
|
|
|
|
self.check_docstatus_transition(tmp.docstatus)
|
|
|
|
if conflict:
|
|
frappe.msgprint(_("Error: Document has been modified after you have opened it") \
|
|
+ (" (%s, %s). " % (modified, self.modified)) \
|
|
+ _("Please refresh to get the latest document."),
|
|
raise_exception=frappe.TimestampMismatchError)
|
|
else:
|
|
self.check_docstatus_transition(0)
|
|
|
|
def check_docstatus_transition(self, to_docstatus):
|
|
"""Ensures valid `docstatus` transition.
|
|
Valid transitions are (number in brackets is `docstatus`):
|
|
|
|
- Save (0) > Save (0)
|
|
- Save (0) > Submit (1)
|
|
- Submit (1) > Submit (1)
|
|
- Submit (1) > Cancel (2)
|
|
|
|
"""
|
|
if not self.docstatus:
|
|
self.docstatus = DocStatus.draft()
|
|
|
|
if to_docstatus == DocStatus.draft():
|
|
if self.docstatus.is_draft():
|
|
self._action = "save"
|
|
elif self.docstatus.is_submitted():
|
|
self._action = "submit"
|
|
self.check_permission("submit")
|
|
elif self.docstatus.is_cancelled():
|
|
raise frappe.DocstatusTransitionError(_("Cannot change docstatus from 0 (Draft) to 2 (Cancelled)"))
|
|
else:
|
|
raise frappe.ValidationError(_("Invalid docstatus"), self.docstatus)
|
|
|
|
elif to_docstatus == DocStatus.submitted():
|
|
if self.docstatus.is_submitted():
|
|
self._action = "update_after_submit"
|
|
self.check_permission("submit")
|
|
elif self.docstatus.is_cancelled():
|
|
self._action = "cancel"
|
|
self.check_permission("cancel")
|
|
elif self.docstatus.is_draft():
|
|
raise frappe.DocstatusTransitionError(_("Cannot change docstatus from 1 (Submitted) to 0 (Draft)"))
|
|
else:
|
|
raise frappe.ValidationError(_("Invalid docstatus"), self.docstatus)
|
|
|
|
elif to_docstatus == DocStatus.cancelled():
|
|
raise frappe.ValidationError(_("Cannot edit cancelled document"))
|
|
|
|
def set_parent_in_children(self):
|
|
"""Updates `parent` and `parenttype` property in all children."""
|
|
for d in self.get_all_children():
|
|
d.parent = self.name
|
|
d.parenttype = self.doctype
|
|
|
|
def set_name_in_children(self):
|
|
# Set name for any new children
|
|
for d in self.get_all_children():
|
|
if not d.name:
|
|
set_new_name(d)
|
|
|
|
def validate_update_after_submit(self):
|
|
if self.flags.ignore_validate_update_after_submit:
|
|
return
|
|
|
|
self._validate_update_after_submit()
|
|
for d in self.get_all_children():
|
|
if d.is_new() and self.meta.get_field(d.parentfield).allow_on_submit:
|
|
# in case of a new row, don't validate allow on submit, if table is allow on submit
|
|
continue
|
|
|
|
d._validate_update_after_submit()
|
|
|
|
# TODO check only allowed values are updated
|
|
|
|
def _validate_mandatory(self):
|
|
if self.flags.ignore_mandatory:
|
|
return
|
|
|
|
missing = self._get_missing_mandatory_fields()
|
|
for d in self.get_all_children():
|
|
missing.extend(d._get_missing_mandatory_fields())
|
|
|
|
if not missing:
|
|
return
|
|
|
|
for fieldname, msg in missing:
|
|
msgprint(msg)
|
|
|
|
if frappe.flags.print_messages:
|
|
print(self.as_json().encode("utf-8"))
|
|
|
|
raise frappe.MandatoryError('[{doctype}, {name}]: {fields}'.format(
|
|
fields=", ".join((each[0] for each in missing)),
|
|
doctype=self.doctype,
|
|
name=self.name))
|
|
|
|
def _validate_links(self):
|
|
if self.flags.ignore_links or self._action == "cancel":
|
|
return
|
|
|
|
invalid_links, cancelled_links = self.get_invalid_links()
|
|
|
|
for d in self.get_all_children():
|
|
result = d.get_invalid_links(is_submittable=self.meta.is_submittable)
|
|
invalid_links.extend(result[0])
|
|
cancelled_links.extend(result[1])
|
|
|
|
if invalid_links:
|
|
msg = ", ".join((each[2] for each in invalid_links))
|
|
frappe.throw(_("Could not find {0}").format(msg),
|
|
frappe.LinkValidationError)
|
|
|
|
if cancelled_links:
|
|
msg = ", ".join((each[2] for each in cancelled_links))
|
|
frappe.throw(_("Cannot link cancelled document: {0}").format(msg),
|
|
frappe.CancelledLinkError)
|
|
|
|
def get_all_children(self, parenttype=None):
|
|
"""Returns all children documents from **Table** type field in a list."""
|
|
ret = []
|
|
for df in self.meta.get("fields", {"fieldtype": ['in', table_fields]}):
|
|
if parenttype:
|
|
if df.options==parenttype:
|
|
return self.get(df.fieldname)
|
|
value = self.get(df.fieldname)
|
|
if isinstance(value, list):
|
|
ret.extend(value)
|
|
return ret
|
|
|
|
def run_method(self, method, *args, **kwargs):
|
|
"""run standard triggers, plus those in hooks"""
|
|
|
|
def fn(self, *args, **kwargs):
|
|
method_object = getattr(self, method, None)
|
|
|
|
# Cannot have a field with same name as method
|
|
# If method found in __dict__, expect it to be callable
|
|
if method in self.__dict__ or callable(method_object):
|
|
return method_object(*args, **kwargs)
|
|
|
|
fn.__name__ = str(method)
|
|
out = Document.hook(fn)(self, *args, **kwargs)
|
|
|
|
self.run_notifications(method)
|
|
run_webhooks(self, method)
|
|
run_server_script_for_doc_event(self, method)
|
|
|
|
return out
|
|
|
|
def run_trigger(self, method, *args, **kwargs):
|
|
return self.run_method(method, *args, **kwargs)
|
|
|
|
def run_notifications(self, method):
|
|
"""Run notifications for this method"""
|
|
if (frappe.flags.in_import and frappe.flags.mute_emails) or frappe.flags.in_patch or frappe.flags.in_install:
|
|
return
|
|
|
|
if self.flags.notifications_executed is None:
|
|
self.flags.notifications_executed = []
|
|
|
|
from frappe.email.doctype.notification.notification import evaluate_alert
|
|
|
|
if self.flags.notifications is None:
|
|
alerts = frappe.cache().hget('notifications', self.doctype)
|
|
if alerts is None:
|
|
alerts = frappe.get_all('Notification', fields=['name', 'event', 'method'],
|
|
filters={'enabled': 1, 'document_type': self.doctype})
|
|
frappe.cache().hset('notifications', self.doctype, alerts)
|
|
self.flags.notifications = alerts
|
|
|
|
if not self.flags.notifications:
|
|
return
|
|
|
|
def _evaluate_alert(alert):
|
|
if not alert.name in self.flags.notifications_executed:
|
|
evaluate_alert(self, alert.name, alert.event)
|
|
self.flags.notifications_executed.append(alert.name)
|
|
|
|
event_map = {
|
|
"on_update": "Save",
|
|
"after_insert": "New",
|
|
"on_submit": "Submit",
|
|
"on_cancel": "Cancel"
|
|
}
|
|
|
|
if not self.flags.in_insert:
|
|
# value change is not applicable in insert
|
|
event_map['on_change'] = 'Value Change'
|
|
|
|
for alert in self.flags.notifications:
|
|
event = event_map.get(method, None)
|
|
if event and alert.event == event:
|
|
_evaluate_alert(alert)
|
|
elif alert.event=='Method' and method == alert.method:
|
|
_evaluate_alert(alert)
|
|
|
|
@whitelist.__func__
|
|
def _submit(self):
|
|
"""Submit the document. Sets `docstatus` = 1, then saves."""
|
|
self.docstatus = DocStatus.submitted()
|
|
return self.save()
|
|
|
|
@whitelist.__func__
|
|
def _cancel(self):
|
|
"""Cancel the document. Sets `docstatus` = 2, then saves.
|
|
"""
|
|
self.docstatus = DocStatus.cancelled()
|
|
return self.save()
|
|
|
|
@whitelist.__func__
|
|
def submit(self):
|
|
"""Submit the document. Sets `docstatus` = 1, then saves."""
|
|
return self._submit()
|
|
|
|
@whitelist.__func__
|
|
def cancel(self):
|
|
"""Cancel the document. Sets `docstatus` = 2, then saves."""
|
|
return self._cancel()
|
|
|
|
def delete(self, ignore_permissions=False):
|
|
"""Delete document."""
|
|
frappe.delete_doc(self.doctype, self.name, ignore_permissions = ignore_permissions, flags=self.flags)
|
|
|
|
def run_before_save_methods(self):
|
|
"""Run standard methods before `INSERT` or `UPDATE`. Standard Methods are:
|
|
|
|
- `validate`, `before_save` for **Save**.
|
|
- `validate`, `before_submit` for **Submit**.
|
|
- `before_cancel` for **Cancel**
|
|
- `before_update_after_submit` for **Update after Submit**
|
|
|
|
Will also update title_field if set"""
|
|
|
|
self.load_doc_before_save()
|
|
self.reset_seen()
|
|
|
|
# before_validate method should be executed before ignoring validations
|
|
if self._action in ("save", "submit"):
|
|
self.run_method("before_validate")
|
|
|
|
if self.flags.ignore_validate:
|
|
return
|
|
|
|
if self._action=="save":
|
|
self.run_method("validate")
|
|
self.run_method("before_save")
|
|
elif self._action=="submit":
|
|
self.run_method("validate")
|
|
self.run_method("before_submit")
|
|
elif self._action=="cancel":
|
|
self.run_method("before_cancel")
|
|
elif self._action=="update_after_submit":
|
|
self.run_method("before_update_after_submit")
|
|
|
|
self.set_title_field()
|
|
|
|
def load_doc_before_save(self):
|
|
"""Save load document from db before saving"""
|
|
self._doc_before_save = None
|
|
if not self.is_new():
|
|
try:
|
|
self._doc_before_save = frappe.get_doc(self.doctype, self.name)
|
|
except frappe.DoesNotExistError:
|
|
self._doc_before_save = None
|
|
frappe.clear_last_message()
|
|
|
|
def run_post_save_methods(self):
|
|
"""Run standard methods after `INSERT` or `UPDATE`. Standard Methods are:
|
|
|
|
- `on_update` for **Save**.
|
|
- `on_update`, `on_submit` for **Submit**.
|
|
- `on_cancel` for **Cancel**
|
|
- `update_after_submit` for **Update after Submit**"""
|
|
|
|
doc_before_save = self.get_doc_before_save()
|
|
|
|
if self._action=="save":
|
|
self.run_method("on_update")
|
|
elif self._action=="submit":
|
|
self.run_method("on_update")
|
|
self.run_method("on_submit")
|
|
elif self._action=="cancel":
|
|
self.run_method("on_cancel")
|
|
self.check_no_back_links_exist()
|
|
elif self._action=="update_after_submit":
|
|
self.run_method("on_update_after_submit")
|
|
|
|
|
|
self.clear_cache()
|
|
self.notify_update()
|
|
|
|
update_global_search(self)
|
|
|
|
self.save_version()
|
|
|
|
self.run_method('on_change')
|
|
|
|
if (self.doctype, self.name) in frappe.flags.currently_saving:
|
|
frappe.flags.currently_saving.remove((self.doctype, self.name))
|
|
|
|
self.latest = None
|
|
|
|
def clear_cache(self):
|
|
frappe.clear_document_cache(self.doctype, self.name)
|
|
|
|
def reset_seen(self):
|
|
"""Clear _seen property and set current user as seen"""
|
|
if getattr(self.meta, 'track_seen', False):
|
|
frappe.db.set_value(self.doctype, self.name, "_seen", json.dumps([frappe.session.user]), update_modified=False)
|
|
|
|
def notify_update(self):
|
|
"""Publish realtime that the current document is modified"""
|
|
if frappe.flags.in_patch: return
|
|
|
|
frappe.publish_realtime("doc_update", {"modified": self.modified, "doctype": self.doctype, "name": self.name},
|
|
doctype=self.doctype, docname=self.name, after_commit=True)
|
|
|
|
if not self.meta.get("read_only") and not self.meta.get("issingle") and \
|
|
not self.meta.get("istable"):
|
|
data = {
|
|
"doctype": self.doctype,
|
|
"name": self.name,
|
|
"user": frappe.session.user
|
|
}
|
|
frappe.publish_realtime("list_update", data, after_commit=True)
|
|
|
|
def db_set(self, fieldname, value=None, update_modified=True, notify=False, commit=False):
|
|
"""Set a value in the document object, update the timestamp and update the database.
|
|
|
|
WARNING: This method does not trigger controller validations and should
|
|
be used very carefully.
|
|
|
|
:param fieldname: fieldname of the property to be updated, or a {"field":"value"} dictionary
|
|
:param value: value of the property to be updated
|
|
:param update_modified: default True. updates the `modified` and `modified_by` properties
|
|
:param notify: default False. run doc.notify_updated() to send updates via socketio
|
|
:param commit: default False. run frappe.db.commit()
|
|
"""
|
|
if isinstance(fieldname, dict):
|
|
self.update(fieldname)
|
|
else:
|
|
self.set(fieldname, value)
|
|
|
|
if update_modified and (self.doctype, self.name) not in frappe.flags.currently_saving:
|
|
# don't update modified timestamp if called from post save methods
|
|
# like on_update or on_submit
|
|
self.set("modified", now())
|
|
self.set("modified_by", frappe.session.user)
|
|
|
|
# load but do not reload doc_before_save because before_change or on_change might expect it
|
|
if not self.get_doc_before_save():
|
|
self.load_doc_before_save()
|
|
|
|
# to trigger notification on value change
|
|
self.run_method('before_change')
|
|
|
|
frappe.db.set_value(self.doctype, self.name, fieldname, value,
|
|
self.modified, self.modified_by, update_modified=update_modified)
|
|
|
|
self.run_method('on_change')
|
|
|
|
if notify:
|
|
self.notify_update()
|
|
|
|
self.clear_cache()
|
|
if commit:
|
|
frappe.db.commit()
|
|
|
|
def db_get(self, fieldname):
|
|
"""get database value for this fieldname"""
|
|
return frappe.db.get_value(self.doctype, self.name, fieldname)
|
|
|
|
def check_no_back_links_exist(self):
|
|
"""Check if document links to any active document before Cancel."""
|
|
from frappe.model.delete_doc import check_if_doc_is_linked, check_if_doc_is_dynamically_linked
|
|
if not self.flags.ignore_links:
|
|
check_if_doc_is_linked(self, method="Cancel")
|
|
check_if_doc_is_dynamically_linked(self, method="Cancel")
|
|
|
|
def save_version(self):
|
|
"""Save version info"""
|
|
|
|
# don't track version under following conditions
|
|
if (not getattr(self.meta, 'track_changes', False)
|
|
or self.doctype == 'Version'
|
|
or self.flags.ignore_version
|
|
or frappe.flags.in_install
|
|
or (not self._doc_before_save and frappe.flags.in_patch)):
|
|
return
|
|
|
|
version = frappe.new_doc('Version')
|
|
if not self._doc_before_save:
|
|
version.for_insert(self)
|
|
version.insert(ignore_permissions=True)
|
|
elif version.set_diff(self._doc_before_save, self):
|
|
version.insert(ignore_permissions=True)
|
|
if not frappe.flags.in_migrate:
|
|
# follow since you made a change?
|
|
follow_document(self.doctype, self.name, frappe.session.user)
|
|
|
|
@staticmethod
|
|
def hook(f):
|
|
"""Decorator: Make method `hookable` (i.e. extensible by another app).
|
|
|
|
Note: If each hooked method returns a value (dict), then all returns are
|
|
collated in one dict and returned. Ideally, don't return values in hookable
|
|
methods, set properties in the document."""
|
|
def add_to_return_value(self, new_return_value):
|
|
if new_return_value is None:
|
|
self._return_value = self.get("_return_value")
|
|
return
|
|
|
|
if isinstance(new_return_value, dict):
|
|
if not self.get("_return_value"):
|
|
self._return_value = {}
|
|
self._return_value.update(new_return_value)
|
|
else:
|
|
self._return_value = new_return_value
|
|
|
|
def compose(fn, *hooks):
|
|
def runner(self, method, *args, **kwargs):
|
|
add_to_return_value(self, fn(self, *args, **kwargs))
|
|
for f in hooks:
|
|
add_to_return_value(self, f(self, method, *args, **kwargs))
|
|
|
|
return self.__dict__.pop("_return_value", None)
|
|
|
|
return runner
|
|
|
|
def composer(self, *args, **kwargs):
|
|
hooks = []
|
|
method = f.__name__
|
|
doc_events = frappe.get_doc_hooks()
|
|
for handler in doc_events.get(self.doctype, {}).get(method, []) \
|
|
+ doc_events.get("*", {}).get(method, []):
|
|
hooks.append(frappe.get_attr(handler))
|
|
|
|
composed = compose(f, *hooks)
|
|
return composed(self, method, *args, **kwargs)
|
|
|
|
return composer
|
|
|
|
def is_whitelisted(self, method_name):
|
|
method = getattr(self, method_name, None)
|
|
if not method:
|
|
raise NotFound("Method {0} not found".format(method_name))
|
|
|
|
is_whitelisted(getattr(method, '__func__', method))
|
|
|
|
def validate_value(self, fieldname, condition, val2, doc=None, raise_exception=None):
|
|
"""Check that value of fieldname should be 'condition' val2
|
|
else throw Exception."""
|
|
error_condition_map = {
|
|
"in": _("one of"),
|
|
"not in": _("none of"),
|
|
"^": _("beginning with"),
|
|
}
|
|
|
|
if not doc:
|
|
doc = self
|
|
|
|
val1 = doc.get_value(fieldname)
|
|
|
|
df = doc.meta.get_field(fieldname)
|
|
val2 = doc.cast(val2, df)
|
|
|
|
if not frappe.compare(val1, condition, val2):
|
|
label = doc.meta.get_label(fieldname)
|
|
condition_str = error_condition_map.get(condition, condition)
|
|
if doc.get("parentfield"):
|
|
msg = _("Incorrect value in row {0}: {1} must be {2} {3}").format(doc.idx, label, condition_str, val2)
|
|
else:
|
|
msg = _("Incorrect value: {0} must be {1} {2}").format(label, condition_str, val2)
|
|
|
|
# raise passed exception or True
|
|
msgprint(msg, raise_exception=raise_exception or True)
|
|
|
|
def validate_table_has_rows(self, parentfield, raise_exception=None):
|
|
"""Raise exception if Table field is empty."""
|
|
if not (isinstance(self.get(parentfield), list) and len(self.get(parentfield)) > 0):
|
|
label = self.meta.get_label(parentfield)
|
|
frappe.throw(_("Table {0} cannot be empty").format(label), raise_exception or frappe.EmptyTableError)
|
|
|
|
def round_floats_in(self, doc, fieldnames=None):
|
|
"""Round floats for all `Currency`, `Float`, `Percent` fields for the given doc.
|
|
|
|
:param doc: Document whose numeric properties are to be rounded.
|
|
:param fieldnames: [Optional] List of fields to be rounded."""
|
|
if not fieldnames:
|
|
fieldnames = (df.fieldname for df in
|
|
doc.meta.get("fields", {"fieldtype": ["in", ["Currency", "Float", "Percent"]]}))
|
|
|
|
for fieldname in fieldnames:
|
|
doc.set(fieldname, flt(doc.get(fieldname), self.precision(fieldname, doc.get("parentfield"))))
|
|
|
|
def get_url(self):
|
|
"""Returns Desk URL for this document."""
|
|
return get_absolute_url(self.doctype, self.name)
|
|
|
|
def add_comment(self, comment_type='Comment', text=None, comment_email=None, link_doctype=None, link_name=None, comment_by=None):
|
|
"""Add a comment to this document.
|
|
|
|
:param comment_type: e.g. `Comment`. See Communication for more info."""
|
|
|
|
out = frappe.get_doc({
|
|
"doctype":"Comment",
|
|
'comment_type': comment_type,
|
|
"comment_email": comment_email or frappe.session.user,
|
|
"comment_by": comment_by,
|
|
"reference_doctype": self.doctype,
|
|
"reference_name": self.name,
|
|
"content": text or comment_type,
|
|
"link_doctype": link_doctype,
|
|
"link_name": link_name
|
|
}).insert(ignore_permissions=True)
|
|
return out
|
|
|
|
def add_seen(self, user=None):
|
|
"""add the given/current user to list of users who have seen this document (_seen)"""
|
|
if not user:
|
|
user = frappe.session.user
|
|
|
|
if self.meta.track_seen:
|
|
_seen = self.get('_seen') or []
|
|
_seen = frappe.parse_json(_seen)
|
|
|
|
if user not in _seen:
|
|
_seen.append(user)
|
|
frappe.db.set_value(self.doctype, self.name, '_seen', json.dumps(_seen), update_modified=False)
|
|
frappe.local.flags.commit = True
|
|
|
|
def add_viewed(self, user=None):
|
|
"""add log to communication when a user views a document"""
|
|
if not user:
|
|
user = frappe.session.user
|
|
|
|
if hasattr(self.meta, 'track_views') and self.meta.track_views:
|
|
frappe.get_doc({
|
|
"doctype": "View Log",
|
|
"viewed_by": frappe.session.user,
|
|
"reference_doctype": self.doctype,
|
|
"reference_name": self.name,
|
|
}).insert(ignore_permissions=True)
|
|
frappe.local.flags.commit = True
|
|
|
|
def get_signature(self):
|
|
"""Returns signature (hash) for private URL."""
|
|
return hashlib.sha224(get_datetime_str(self.creation).encode()).hexdigest()
|
|
|
|
def get_liked_by(self):
|
|
liked_by = getattr(self, "_liked_by", None)
|
|
if liked_by:
|
|
return json.loads(liked_by)
|
|
else:
|
|
return []
|
|
|
|
def set_onload(self, key, value):
|
|
if not self.get("__onload"):
|
|
self.set("__onload", frappe._dict())
|
|
self.get("__onload")[key] = value
|
|
|
|
def get_onload(self, key=None):
|
|
if not key:
|
|
return self.get("__onload", frappe._dict())
|
|
|
|
return self.get('__onload')[key]
|
|
|
|
def queue_action(self, action, **kwargs):
|
|
"""Run an action in background. If the action has an inner function,
|
|
like _submit for submit, it will call that instead"""
|
|
# call _submit instead of submit, so you can override submit to call
|
|
# run_delayed based on some action
|
|
# See: Stock Reconciliation
|
|
from frappe.utils.background_jobs import enqueue
|
|
|
|
if hasattr(self, '_' + action):
|
|
action = '_' + action
|
|
|
|
if file_lock.lock_exists(self.get_signature()):
|
|
frappe.throw(_('This document is currently queued for execution. Please try again'),
|
|
title=_('Document Queued'))
|
|
|
|
self.lock()
|
|
enqueue('frappe.model.document.execute_action', doctype=self.doctype, name=self.name,
|
|
action=action, **kwargs)
|
|
|
|
def lock(self, timeout=None):
|
|
"""Creates a lock file for the given document. If timeout is set,
|
|
it will retry every 1 second for acquiring the lock again
|
|
|
|
:param timeout: Timeout in seconds, default 0"""
|
|
signature = self.get_signature()
|
|
if file_lock.lock_exists(signature):
|
|
lock_exists = True
|
|
if timeout:
|
|
for i in range(timeout):
|
|
time.sleep(1)
|
|
if not file_lock.lock_exists(signature):
|
|
lock_exists = False
|
|
break
|
|
if lock_exists:
|
|
raise frappe.DocumentLockedError
|
|
file_lock.create_lock(signature)
|
|
|
|
def unlock(self):
|
|
"""Delete the lock file for this document"""
|
|
file_lock.delete_lock(self.get_signature())
|
|
|
|
# validation helpers
|
|
def validate_from_to_dates(self, from_date_field, to_date_field):
|
|
"""
|
|
Generic validation to verify date sequence
|
|
"""
|
|
if date_diff(self.get(to_date_field), self.get(from_date_field)) < 0:
|
|
frappe.throw(_('{0} must be after {1}').format(
|
|
frappe.bold(self.meta.get_label(to_date_field)),
|
|
frappe.bold(self.meta.get_label(from_date_field)),
|
|
), frappe.exceptions.InvalidDates)
|
|
|
|
def get_assigned_users(self):
|
|
assigned_users = frappe.get_all('ToDo',
|
|
fields=['allocated_to'],
|
|
filters={
|
|
'reference_type': self.doctype,
|
|
'reference_name': self.name,
|
|
'status': ('!=', 'Cancelled'),
|
|
}, pluck='allocated_to')
|
|
|
|
users = set(assigned_users)
|
|
return users
|
|
|
|
def add_tag(self, tag):
|
|
"""Add a Tag to this document"""
|
|
from frappe.desk.doctype.tag.tag import DocTags
|
|
DocTags(self.doctype).add(self.name, tag)
|
|
|
|
def get_tags(self):
|
|
"""Return a list of Tags attached to this document"""
|
|
from frappe.desk.doctype.tag.tag import DocTags
|
|
return DocTags(self.doctype).get_tags(self.name).split(",")[1:]
|
|
|
|
def __repr__(self):
|
|
name = self.name or "unsaved"
|
|
doctype = self.__class__.__name__
|
|
|
|
docstatus = f" docstatus={self.docstatus}" if self.docstatus else ""
|
|
repr_str = f"<{doctype}: {name}{docstatus}"
|
|
|
|
if not hasattr(self, "parent"):
|
|
return repr_str + ">"
|
|
return f"{repr_str} parent={self.parent}>"
|
|
|
|
def __str__(self):
|
|
name = self.name or "unsaved"
|
|
doctype = self.__class__.__name__
|
|
|
|
return f"{doctype}({name})"
|
|
|
|
|
|
def execute_action(doctype, name, action, **kwargs):
|
|
"""Execute an action on a document (called by background worker)"""
|
|
doc = frappe.get_doc(doctype, name)
|
|
doc.unlock()
|
|
try:
|
|
getattr(doc, action)(**kwargs)
|
|
except Exception:
|
|
frappe.db.rollback()
|
|
|
|
# add a comment (?)
|
|
if frappe.local.message_log:
|
|
msg = json.loads(frappe.local.message_log[-1]).get('message')
|
|
else:
|
|
msg = '<pre><code>' + frappe.get_traceback() + '</pre></code>'
|
|
|
|
doc.add_comment('Comment', _('Action Failed') + '<br><br>' + msg)
|
|
doc.notify_update()
|
|
|
|
|
|
|