68 lines
2.1 KiB
Python
68 lines
2.1 KiB
Python
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# MIT License. See license.txt
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# model __init__.py
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from __future__ import unicode_literals
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import frappe
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import json
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no_value_fields = ('Section Break', 'Column Break', 'HTML', 'Table', 'Button', 'Image',
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'Fold', 'Heading')
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display_fieldtypes = ('Section Break', 'Column Break', 'HTML', 'Button', 'Image', 'Fold', 'Heading')
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default_fields = ('doctype','name','owner','creation','modified','modified_by',
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'parent','parentfield','parenttype','idx','docstatus')
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optional_fields = ("_user_tags", "_comments", "_assign", "_liked_by", "_seen")
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def copytables(srctype, src, srcfield, tartype, tar, tarfield, srcfields, tarfields=[]):
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if not tarfields:
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tarfields = srcfields
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l = []
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data = src.get(srcfield)
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for d in data:
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newrow = tar.append(tarfield)
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newrow.idx = d.idx
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for i in range(len(srcfields)):
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newrow.set(tarfields[i], d.get(srcfields[i]))
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l.append(newrow)
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return l
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def db_exists(dt, dn):
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return frappe.db.exists(dt, dn)
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def delete_fields(args_dict, delete=0):
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"""
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Delete a field.
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* Deletes record from `tabDocField`
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* If not single doctype: Drops column from table
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* If single, deletes record from `tabSingles`
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args_dict = { dt: [field names] }
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"""
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import frappe.utils
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for dt in list(args_dict):
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fields = args_dict[dt]
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if not fields: continue
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frappe.db.sql("""\
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DELETE FROM `tabDocField`
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WHERE parent=%s AND fieldname IN (%s)
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""" % ('%s', ", ".join(['"' + f + '"' for f in fields])), dt)
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# Delete the data / column only if delete is specified
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if not delete: continue
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if frappe.db.get_value("DocType", dt, "issingle"):
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frappe.db.sql("""\
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DELETE FROM `tabSingles`
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WHERE doctype=%s AND field IN (%s)
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""" % ('%s', ", ".join(['"' + f + '"' for f in fields])), dt)
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else:
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existing_fields = frappe.db.sql("desc `tab%s`" % dt)
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existing_fields = existing_fields and [e[0] for e in existing_fields] or []
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query = "ALTER TABLE `tab%s` " % dt + \
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", ".join(["DROP COLUMN `%s`" % f for f in fields if f in existing_fields])
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frappe.db.commit()
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frappe.db.sql(query)
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