seitime-frappe/frappe/model/naming.py

215 lines
6.4 KiB
Python

# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# MIT License. See license.txt
from __future__ import unicode_literals
import frappe
from frappe import _
from frappe.utils import now_datetime, cint
import re
from six import string_types
def set_new_name(doc):
"""
Sets the `name` property for the document based on various rules.
1. If amended doc, set suffix.
2. If `autoname` method is declared, then call it.
3. If `autoname` property is set in the DocType (`meta`), then build it using the `autoname` property.
4. If no rule defined, use hash.
:param doc: Document to be named.
"""
doc.run_method("before_naming")
autoname = frappe.get_meta(doc.doctype).autoname or ""
if autoname.lower() != "prompt" and not frappe.flags.in_import:
doc.name = None
if getattr(doc, "amended_from", None):
_set_amended_name(doc)
return
elif getattr(doc.meta, "issingle", False):
doc.name = doc.doctype
else:
doc.run_method("autoname")
if not doc.name and autoname:
if autoname.startswith('field:'):
fieldname = autoname[6:]
doc.name = (doc.get(fieldname) or "").strip()
if not doc.name:
frappe.throw(_("{0} is required").format(doc.meta.get_label(fieldname)))
raise Exception('Name is required')
if autoname.startswith("naming_series:"):
set_name_by_naming_series(doc)
elif "#" in autoname:
doc.name = make_autoname(autoname)
elif autoname.lower()=='prompt':
# set from __newname in save.py
if not doc.name:
frappe.throw(_("Name not set via prompt"))
if not doc.name or autoname=='hash':
doc.name = make_autoname('hash', doc.doctype)
doc.name = validate_name(doc.doctype, doc.name, frappe.get_meta(doc.doctype).get_field("name_case"))
def set_name_by_naming_series(doc):
"""Sets name by the `naming_series` property"""
if not doc.naming_series:
doc.naming_series = get_default_naming_series(doc.doctype)
if not doc.naming_series:
frappe.throw(frappe._("Naming Series mandatory"))
doc.name = make_autoname(doc.naming_series+'.#####', '', doc)
def make_autoname(key='', doctype='', doc=''):
"""
Creates an autoname from the given key:
**Autoname rules:**
* The key is separated by '.'
* '####' represents a series. The string before this part becomes the prefix:
Example: ABC.#### creates a series ABC0001, ABC0002 etc
* 'MM' represents the current month
* 'YY' and 'YYYY' represent the current year
*Example:*
* DE/./.YY./.MM./.##### will create a series like
DE/09/01/0001 where 09 is the year, 01 is the month and 0001 is the series
"""
if key=="hash":
return frappe.generate_hash(doctype, 10)
if not "#" in key:
key = key + ".#####"
elif not "." in key:
frappe.throw(_("Invalid naming series (. missing)") + (_(" for {0}").format(doctype) if doctype else ""))
parts = key.split('.')
n = parse_naming_series(parts, doctype, doc)
return n
def parse_naming_series(parts, doctype= '', doc = ''):
n = ''
if isinstance(parts, string_types):
parts = parts.split('.')
series_set = False
today = now_datetime()
for e in parts:
part = ''
if e.startswith('#'):
if not series_set:
digits = len(e)
part = getseries(n, digits, doctype)
series_set = True
elif e=='YY':
part = today.strftime('%y')
elif e=='MM':
part = today.strftime('%m')
elif e=='DD':
part = today.strftime("%d")
elif e=='YYYY':
part = today.strftime('%Y')
elif doc and doc.get(e):
part = doc.get(e)
else: part = e
if isinstance(part, string_types):
n+=part
return n
def getseries(key, digits, doctype=''):
# series created ?
current = frappe.db.sql("select `current` from `tabSeries` where name=%s for update", (key,))
if current and current[0][0] is not None:
current = current[0][0]
# yes, update it
frappe.db.sql("update tabSeries set current = current+1 where name=%s", (key,))
current = cint(current) + 1
else:
# no, create it
frappe.db.sql("insert into tabSeries (name, current) values (%s, 1)", (key,))
current = 1
return ('%0'+str(digits)+'d') % current
def revert_series_if_last(key, name):
if ".#" in key:
prefix, hashes = key.rsplit(".", 1)
if '.' in prefix:
prefix = parse_naming_series(prefix.split('.'))
if "#" not in hashes:
return
else:
prefix = key
count = cint(name.replace(prefix, ""))
current = frappe.db.sql("select `current` from `tabSeries` where name=%s for update", (prefix,))
if current and current[0][0]==count:
frappe.db.sql("update tabSeries set current=current-1 where name=%s", prefix)
def get_default_naming_series(doctype):
"""get default value for `naming_series` property"""
naming_series = frappe.get_meta(doctype).get_field("naming_series").options or ""
if naming_series:
naming_series = naming_series.split("\n")
return naming_series[0] or naming_series[1]
else:
return None
def validate_name(doctype, name, case=None, merge=False):
if not name: return 'No Name Specified for %s' % doctype
if name.startswith('New '+doctype):
frappe.throw(_('There were some errors setting the name, please contact the administrator'), frappe.NameError)
if case=='Title Case': name = name.title()
if case=='UPPER CASE': name = name.upper()
name = name.strip()
if not frappe.get_meta(doctype).get("issingle") and (doctype == name) and (name!="DocType"):
frappe.throw(_("Name of {0} cannot be {1}").format(doctype, name), frappe.NameError)
special_characters = "<>"
if re.findall("[{0}]+".format(special_characters), name):
message = ", ".join("'{0}'".format(c) for c in special_characters)
frappe.throw(_("Name cannot contain special characters like {0}").format(message), frappe.NameError)
return name
def _set_amended_name(doc):
am_id = 1
am_prefix = doc.amended_from
if frappe.db.get_value(doc.doctype, doc.amended_from, "amended_from"):
am_id = cint(doc.amended_from.split('-')[-1]) + 1
am_prefix = '-'.join(doc.amended_from.split('-')[:-1]) # except the last hyphen
doc.name = am_prefix + '-' + str(am_id)
return doc.name
def append_number_if_name_exists(doctype, name, fieldname='name', separator='-'):
if frappe.db.exists(doctype, name):
last = frappe.db.sql("""select name from `tab{doctype}`
where {fieldname} regexp '^{name}{separator}[[:digit:]]+'
order by length({fieldname}) desc,
{fieldname} desc limit 1""".format(doctype=doctype,
name=name, fieldname=fieldname, separator=separator))
if last:
count = str(cint(last[0][0].rsplit("-", 1)[1]) + 1)
else:
count = "1"
name = "{0}{1}{2}".format(name, separator, count)
return name