447 lines
12 KiB
Python
447 lines
12 KiB
Python
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# License: MIT. See LICENSE
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import os
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import shutil
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from typing import List
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import frappe
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import frappe.defaults
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import frappe.model.meta
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from frappe import _, get_module_path
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from frappe.desk.doctype.tag.tag import delete_tags_for_document
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from frappe.model.dynamic_links import get_dynamic_link_map
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from frappe.model.naming import revert_series_if_last
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from frappe.utils.file_manager import remove_all
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from frappe.utils.global_search import delete_for_document
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from frappe.utils.password import delete_all_passwords_for
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doctypes_to_skip = (
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"Communication",
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"ToDo",
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"DocShare",
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"Email Unsubscribe",
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"Activity Log",
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"File",
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"Version",
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"Document Follow",
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"Comment",
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"View Log",
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"Tag Link",
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"Notification Log",
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"Email Queue",
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"Document Share Key",
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)
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def delete_doc(
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doctype=None,
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name=None,
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force=0,
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ignore_doctypes=None,
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for_reload=False,
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ignore_permissions=False,
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flags=None,
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ignore_on_trash=False,
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ignore_missing=True,
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delete_permanently=False,
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):
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"""
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Deletes a doc(dt, dn) and validates if it is not submitted and not linked in a live record
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"""
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if not ignore_doctypes:
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ignore_doctypes = []
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# get from form
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if not doctype:
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doctype = frappe.form_dict.get("dt")
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name = frappe.form_dict.get("dn")
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names = name
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if isinstance(name, str) or isinstance(name, int):
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names = [name]
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for name in names or []:
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# already deleted..?
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if not frappe.db.exists(doctype, name):
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if not ignore_missing:
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raise frappe.DoesNotExistError
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else:
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return False
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# delete passwords
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delete_all_passwords_for(doctype, name)
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doc = None
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if doctype == "DocType":
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if for_reload:
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try:
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doc = frappe.get_doc(doctype, name)
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except frappe.DoesNotExistError:
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pass
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else:
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doc.run_method("before_reload")
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else:
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doc = frappe.get_doc(doctype, name)
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update_flags(doc, flags, ignore_permissions)
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check_permission_and_not_submitted(doc)
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frappe.db.delete("__global_search", {"doctype": name})
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delete_from_table(doctype, name, ignore_doctypes, None)
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if (
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frappe.conf.developer_mode
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and not doc.custom
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and not (
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for_reload or frappe.flags.in_migrate or frappe.flags.in_install or frappe.flags.in_uninstall
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)
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):
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try:
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delete_controllers(name, doc.module)
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except (OSError, KeyError):
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# in case a doctype doesnt have any controller code nor any app and module
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pass
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else:
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doc = frappe.get_doc(doctype, name)
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if not for_reload:
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update_flags(doc, flags, ignore_permissions)
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check_permission_and_not_submitted(doc)
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if not ignore_on_trash:
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doc.run_method("on_trash")
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doc.flags.in_delete = True
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doc.run_method("on_change")
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# check if links exist
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if not force:
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check_if_doc_is_linked(doc)
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check_if_doc_is_dynamically_linked(doc)
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update_naming_series(doc)
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delete_from_table(doctype, name, ignore_doctypes, doc)
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doc.run_method("after_delete")
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# delete attachments
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remove_all(doctype, name, from_delete=True, delete_permanently=delete_permanently)
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if not for_reload:
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# Enqueued at the end, because it gets committed
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# All the linked docs should be checked beforehand
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frappe.enqueue(
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"frappe.model.delete_doc.delete_dynamic_links",
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doctype=doc.doctype,
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name=doc.name,
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now=frappe.flags.in_test,
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)
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# clear cache for Document
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doc.clear_cache()
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# delete global search entry
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delete_for_document(doc)
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# delete tag link entry
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delete_tags_for_document(doc)
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if for_reload:
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delete_permanently = True
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if not delete_permanently:
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add_to_deleted_document(doc)
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if doc and not for_reload:
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if not frappe.flags.in_patch:
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try:
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doc.notify_update()
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insert_feed(doc)
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except ImportError:
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pass
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# delete user_permissions
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frappe.defaults.clear_default(parenttype="User Permission", key=doctype, value=name)
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def add_to_deleted_document(doc):
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"""Add this document to Deleted Document table. Called after delete"""
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if doc.doctype != "Deleted Document" and frappe.flags.in_install != "frappe":
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frappe.get_doc(
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dict(
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doctype="Deleted Document",
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deleted_doctype=doc.doctype,
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deleted_name=doc.name,
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data=doc.as_json(),
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owner=frappe.session.user,
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)
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).db_insert()
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def update_naming_series(doc):
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if doc.meta.autoname:
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if doc.meta.autoname.startswith("naming_series:") and getattr(doc, "naming_series", None):
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revert_series_if_last(doc.naming_series, doc.name, doc)
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elif doc.meta.autoname.split(":")[0] not in ("Prompt", "field", "hash", "autoincrement"):
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revert_series_if_last(doc.meta.autoname, doc.name, doc)
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def delete_from_table(doctype: str, name: str, ignore_doctypes: List[str], doc):
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if doctype != "DocType" and doctype == name:
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frappe.db.delete("Singles", {"doctype": name})
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else:
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frappe.db.delete(doctype, {"name": name})
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if doc:
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child_doctypes = [
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d.options for d in doc.meta.get_table_fields() if frappe.get_meta(d.options).is_virtual == 0
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]
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else:
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child_doctypes = frappe.get_all(
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"DocField",
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fields="options",
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filters={"fieldtype": ["in", frappe.model.table_fields], "parent": doctype},
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pluck="options",
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)
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child_doctypes_to_delete = set(child_doctypes) - set(ignore_doctypes)
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for child_doctype in child_doctypes_to_delete:
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frappe.db.delete(child_doctype, {"parenttype": doctype, "parent": name})
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def update_flags(doc, flags=None, ignore_permissions=False):
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if ignore_permissions:
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if not flags:
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flags = {}
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flags["ignore_permissions"] = ignore_permissions
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if flags:
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doc.flags.update(flags)
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def check_permission_and_not_submitted(doc):
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# permission
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if (
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not doc.flags.ignore_permissions
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and frappe.session.user != "Administrator"
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and (not doc.has_permission("delete") or (doc.doctype == "DocType" and not doc.custom))
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):
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frappe.msgprint(
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_("User not allowed to delete {0}: {1}").format(doc.doctype, doc.name),
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raise_exception=frappe.PermissionError,
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)
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# check if submitted
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if doc.docstatus.is_submitted():
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frappe.msgprint(
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_("{0} {1}: Submitted Record cannot be deleted. You must {2} Cancel {3} it first.").format(
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_(doc.doctype),
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doc.name,
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"<a href='https://docs.erpnext.com//docs/user/manual/en/setting-up/articles/delete-submitted-document' target='_blank'>",
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"</a>",
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),
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raise_exception=True,
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)
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def check_if_doc_is_linked(doc, method="Delete"):
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"""
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Raises excption if the given doc(dt, dn) is linked in another record.
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"""
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from frappe.model.rename_doc import get_link_fields
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link_fields = get_link_fields(doc.doctype)
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ignore_linked_doctypes = doc.get("ignore_linked_doctypes") or []
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for lf in link_fields:
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link_dt, link_field, issingle = lf["parent"], lf["fieldname"], lf["issingle"]
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if not issingle:
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fields = ["name", "docstatus"]
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if frappe.get_meta(link_dt).istable:
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fields.extend(["parent", "parenttype"])
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for item in frappe.db.get_values(link_dt, {link_field: doc.name}, fields, as_dict=True):
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# available only in child table cases
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item_parent = getattr(item, "parent", None)
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linked_doctype = item.parenttype if item_parent else link_dt
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if linked_doctype in doctypes_to_skip or (
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linked_doctype in ignore_linked_doctypes and method == "Cancel"
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):
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# don't check for communication and todo!
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continue
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if method != "Delete" and (method != "Cancel" or item.docstatus != 1):
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# don't raise exception if not
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# linked to a non-cancelled doc when deleting or to a submitted doc when cancelling
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continue
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elif link_dt == doc.doctype and (item_parent or item.name) == doc.name:
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# don't raise exception if not
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# linked to same item or doc having same name as the item
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continue
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else:
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reference_docname = item_parent or item.name
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raise_link_exists_exception(doc, linked_doctype, reference_docname)
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else:
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if frappe.db.get_value(link_dt, None, link_field) == doc.name:
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raise_link_exists_exception(doc, link_dt, link_dt)
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def check_if_doc_is_dynamically_linked(doc, method="Delete"):
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"""Raise `frappe.LinkExistsError` if the document is dynamically linked"""
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for df in get_dynamic_link_map().get(doc.doctype, []):
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ignore_linked_doctypes = doc.get("ignore_linked_doctypes") or []
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if df.parent in doctypes_to_skip or (df.parent in ignore_linked_doctypes and method == "Cancel"):
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# don't check for communication and todo!
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continue
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meta = frappe.get_meta(df.parent)
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if meta.issingle:
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# dynamic link in single doc
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refdoc = frappe.db.get_singles_dict(df.parent)
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if (
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refdoc.get(df.options) == doc.doctype
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and refdoc.get(df.fieldname) == doc.name
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and (
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(method == "Delete" and refdoc.docstatus < 2)
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or (method == "Cancel" and refdoc.docstatus == 1)
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)
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):
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# raise exception only if
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# linked to an non-cancelled doc when deleting
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# or linked to a submitted doc when cancelling
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raise_link_exists_exception(doc, df.parent, df.parent)
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else:
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# dynamic link in table
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df["table"] = ", `parent`, `parenttype`, `idx`" if meta.istable else ""
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for refdoc in frappe.db.sql(
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"""select `name`, `docstatus` {table} from `tab{parent}` where
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{options}=%s and {fieldname}=%s""".format(
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**df
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),
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(doc.doctype, doc.name),
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as_dict=True,
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):
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if (method == "Delete" and refdoc.docstatus < 2) or (
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method == "Cancel" and refdoc.docstatus == 1
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):
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# raise exception only if
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# linked to an non-cancelled doc when deleting
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# or linked to a submitted doc when cancelling
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reference_doctype = refdoc.parenttype if meta.istable else df.parent
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reference_docname = refdoc.parent if meta.istable else refdoc.name
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at_position = "at Row: {0}".format(refdoc.idx) if meta.istable else ""
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raise_link_exists_exception(doc, reference_doctype, reference_docname, at_position)
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def raise_link_exists_exception(doc, reference_doctype, reference_docname, row=""):
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doc_link = '<a href="/app/Form/{0}/{1}">{1}</a>'.format(doc.doctype, doc.name)
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reference_link = '<a href="/app/Form/{0}/{1}">{1}</a>'.format(
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reference_doctype, reference_docname
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)
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# hack to display Single doctype only once in message
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if reference_doctype == reference_docname:
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reference_doctype = ""
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frappe.throw(
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_("Cannot delete or cancel because {0} {1} is linked with {2} {3} {4}").format(
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doc.doctype, doc_link, reference_doctype, reference_link, row
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),
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frappe.LinkExistsError,
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)
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def delete_dynamic_links(doctype, name):
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delete_references("ToDo", doctype, name, "reference_type")
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delete_references("Email Unsubscribe", doctype, name)
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delete_references("DocShare", doctype, name, "share_doctype", "share_name")
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delete_references("Version", doctype, name, "ref_doctype", "docname")
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delete_references("Comment", doctype, name)
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delete_references("View Log", doctype, name)
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delete_references("Document Follow", doctype, name, "ref_doctype", "ref_docname")
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delete_references("Notification Log", doctype, name, "document_type", "document_name")
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# unlink communications
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clear_timeline_references(doctype, name)
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clear_references("Communication", doctype, name)
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clear_references("Activity Log", doctype, name)
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clear_references("Activity Log", doctype, name, "timeline_doctype", "timeline_name")
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def delete_references(
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doctype,
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reference_doctype,
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reference_name,
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reference_doctype_field="reference_doctype",
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reference_name_field="reference_name",
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):
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frappe.db.delete(
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doctype, {reference_doctype_field: reference_doctype, reference_name_field: reference_name}
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)
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def clear_references(
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doctype,
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reference_doctype,
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reference_name,
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reference_doctype_field="reference_doctype",
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reference_name_field="reference_name",
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):
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frappe.db.sql(
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"""update
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`tab{0}`
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set
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{1}=NULL, {2}=NULL
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where
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{1}=%s and {2}=%s""".format(
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doctype, reference_doctype_field, reference_name_field
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), # nosec
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(reference_doctype, reference_name),
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)
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def clear_timeline_references(link_doctype, link_name):
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frappe.db.delete("Communication Link", {"link_doctype": link_doctype, "link_name": link_name})
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def insert_feed(doc):
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if (
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frappe.flags.in_install
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or frappe.flags.in_uninstall
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or frappe.flags.in_import
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or getattr(doc, "no_feed_on_delete", False)
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):
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return
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from frappe.utils import get_fullname
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frappe.get_doc(
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{
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"doctype": "Comment",
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"comment_type": "Deleted",
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"reference_doctype": doc.doctype,
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"subject": "{0} {1}".format(_(doc.doctype), doc.name),
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"full_name": get_fullname(doc.owner),
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}
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).insert(ignore_permissions=True)
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def delete_controllers(doctype, module):
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"""
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Delete controller code in the doctype folder
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"""
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module_path = get_module_path(module)
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dir_path = os.path.join(module_path, "doctype", frappe.scrub(doctype))
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shutil.rmtree(dir_path)
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