author | Radek Brich <radek.brich@devl.cz> |
Fri, 12 Aug 2011 14:39:49 +0200 | |
changeset 7 | 685b20d2d3ab |
parent 5 | toolbase.py@57cf8fdff5ed |
permissions | -rw-r--r-- |
2 | 1 |
import argparse |
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7
685b20d2d3ab
Reorganize directories. PgDataDiff - reworked. PgManager - add fetchone_adapted, fetchall_adapted to cursor.
Radek Brich <radek.brich@devl.cz>
parents:
5
diff
changeset
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from tools import pgmanager |
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from common import config |
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class ToolBase: |
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def __init__(self, name, desc): |
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self.parser = argparse.ArgumentParser(description=desc) |
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self.config = config.ConfigParser() |
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self.config.add_argument('databases', type=dict) |
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self.config.add_argument('meta_db') |
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self.config.add_argument('meta_query') |
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self.pgm = pgmanager.get_instance() |
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def init(self): |
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self.config.load('pgtoolkit.conf') |
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self.args = self.parser.parse_args() |
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def buildconn(self, name, targetname): |
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with self.pgm.cursor('meta') as curs: |
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curs.execute(self.config.meta_query, [targetname]) |
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row = curs.fetchone_dict() |
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curs.connection.commit() |
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if not row: |
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raise Exception('Unknown database "%s"' % targetname) |
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self.pgm.create_conn(name=name, **row) |
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def prepareconns(self, *args): |
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if self.config.meta_db: |
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self.pgm.create_conn(name='meta', dsn=self.config.meta_db) |
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for name in args: |
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self.buildconn(name, self.args.__dict__[name]) |
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self.pgm.close_conn('meta') |
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class SimpleTool(ToolBase): |
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def __init__(self, name, desc): |
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ToolBase.__init__(self, name, desc) |
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self.parser.add_argument('target', metavar='target', type=str, help='Target database') |
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def init(self): |
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ToolBase.init(self) |
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self.prepareconns('target') |
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class SrcDstTool(ToolBase): |
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def __init__(self, name, desc): |
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ToolBase.__init__(self, name, desc) |
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self.parser.add_argument('src', metavar='source', type=str, help='Source database') |
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self.parser.add_argument('dst', metavar='destination', type=str, help='Destination database') |
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def init(self): |
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ToolBase.init(self) |
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self.prepareconns('src', 'dst') |
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