69 lines
No EOL
2.5 KiB
Python
69 lines
No EOL
2.5 KiB
Python
# Copyright (c) 2012 Web Notes Technologies Pvt Ltd (http://erpnext.com)
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#
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# MIT License (MIT)
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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# INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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# PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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# CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
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# OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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"""docfield utililtes"""
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import webnotes
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def rename(doctype, fieldname, newname):
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"""rename docfield"""
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df = webnotes.conn.sql("""select * from tabDocField where parent=%s and fieldname=%s""",
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(doctype, fieldname), as_dict=1)
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if not df:
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return
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df = df[0]
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if webnotes.conn.get_value('DocType', doctype, 'issingle'):
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update_single(df, newname)
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else:
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update_table(df, newname)
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update_parent_field(df, newname)
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def update_single(f, new):
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"""update in tabSingles"""
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webnotes.conn.begin()
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webnotes.conn.sql("""update tabSingles set field=%s where doctype=%s and field=%s""",
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(new, f['parent'], f['fieldname']))
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webnotes.conn.commit()
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def update_table(f, new):
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"""update table"""
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query = get_change_column_query(f, new)
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if query:
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webnotes.conn.sql(query)
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def update_parent_field(f, new):
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"""update 'parentfield' in tables"""
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if f['fieldtype']=='Table':
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webnotes.conn.begin()
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webnotes.conn.sql("""update `tab%s` set parentfield=%s where parentfield=%s""" \
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% (f['options'], '%s', '%s'), (new, f['fieldname']))
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webnotes.conn.commit()
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def get_change_column_query(f, new):
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"""generate change fieldname query"""
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desc = webnotes.conn.sql("desc `tab%s`" % f['parent'])
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for d in desc:
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if d[0]== f['fieldname']:
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return 'alter table `tab%s` change `%s` `%s` %s' % \
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(f['parent'], f['fieldname'], new, d[1]) |