pydbkit/tools/listdepends.py
author Radek Brich <radek.brich@devl.cz>
Wed, 09 Jul 2014 18:03:54 +0200
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parent 101 pgtoolkit/tools/listdepends.py@2a2d0d5df03b
permissions -rw-r--r--
Rename to pydbkit.
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from pydbkit.toolbase import SimpleTool
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from pydbkit import pgbrowser
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class ListDependsTool(SimpleTool):
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    """
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    List column dependencies.
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    """
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    def __init__(self):
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        SimpleTool.__init__(self, name='listdepends')
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    def specify_args(self):
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        SimpleTool.specify_args(self)
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        self.parser.add_argument('table', metavar='table', type=str, help='Table name.')
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        self.parser.add_argument('column', metavar='column', type=str, help='Column name.')
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        self.parser.add_argument('-s', '--schema', dest='schema', metavar='schema',
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            type=str, default='public', help='Schema name (default=public).')
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    def main(self):
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        browser = pgbrowser.PgBrowser(self.pgm.get_conn('target'))
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        objects = browser.list_column_usage(self.args.table, self.args.column, schema=self.args.schema)
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        for obj in sorted(objects, key=lambda x: (x['type'], x['schema'], x['name'])):
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            print(obj['type'], ' ', obj['schema'], '.', obj['name'], sep='')
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cls = ListDependsTool
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