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Unified Diff: third_party/twisted_8_1/twisted/enterprise/row.py

Issue 12261012: Remove third_party/twisted_8_1 (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/tools/build
Patch Set: Created 7 years, 10 months ago
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Index: third_party/twisted_8_1/twisted/enterprise/row.py
diff --git a/third_party/twisted_8_1/twisted/enterprise/row.py b/third_party/twisted_8_1/twisted/enterprise/row.py
deleted file mode 100644
index 36d0fa4b6d00a865019149b709ab771655a1312d..0000000000000000000000000000000000000000
--- a/third_party/twisted_8_1/twisted/enterprise/row.py
+++ /dev/null
@@ -1,127 +0,0 @@
-# -*- test-case-name: twisted.test.test_reflector -*-
-# Copyright (c) 2001-2007 Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-
-"""
-DEPRECATED.
-
-A (R)elational (O)bject (W)rapper.
-
-This is an extremely thin wrapper.
-
-Maintainer: U{Dave Peticolas<mailto:davep@twistedmatrix.com>}
-"""
-
-import warnings
-
-from twisted.enterprise.util import DBError, NOQUOTE, getKeyColumn, dbTypeMap
-
-
-class RowObject:
- """
- I represent a row in a table in a relational database.
-
- My class is "populated" by a Reflector object. After I am
- populated, instances of me are able to interact with a particular
- database table.
-
- You should use a class derived from this class for each database
- table.
-
- reflector.loadObjectsFrom() is used to create sets of
- instance of objects of this class from database tables.
-
- Once created, the "key column" attributes cannot be changed.
-
-
- Class Attributes that users must supply::
-
- rowKeyColumns # list of key columns in form: [(columnName, typeName)]
- rowTableName # name of database table
- rowColumns # list of the columns in the table with the correct
- # case.this will be used to create member variables.
- rowFactoryMethod # method to create an instance of this class.
- # HACK: must be in a list!!! [factoryMethod] (optional)
- rowForeignKeys # keys to other tables (optional)
- """
-
- populated = 0 # set on the class when the class is "populated" with SQL
- dirty = 0 # set on an instance when the instance is out-of-sync with the database
-
- def __init__(self):
- """
- DEPRECATED.
- """
- warnings.warn("twisted.enterprise.row is deprecated since Twisted 8.0",
- category=DeprecationWarning, stacklevel=2)
-
- def assignKeyAttr(self, attrName, value):
- """Assign to a key attribute.
-
- This cannot be done through normal means to protect changing
- keys of db objects.
- """
- found = 0
- for keyColumn, type in self.rowKeyColumns:
- if keyColumn == attrName:
- found = 1
- if not found:
- raise DBError("%s is not a key columns." % attrName)
- self.__dict__[attrName] = value
-
- def findAttribute(self, attrName):
- """Find an attribute by caseless name.
- """
- for attr, type in self.rowColumns:
- if attr.lower() == attrName.lower():
- return getattr(self, attr)
- raise DBError("Unable to find attribute %s" % attrName)
-
- def __setattr__(self, name, value):
- """Special setattr to prevent changing of key values.
- """
- # build where clause
- if getKeyColumn(self.__class__, name):
- raise DBError("cannot assign value <%s> to key column attribute <%s> of RowObject class" % (value,name))
-
- if name in self.rowColumns:
- if value != self.__dict__.get(name,None) and not self.dirty:
- self.setDirty(1)
-
- self.__dict__[name] = value
-
- def createDefaultAttributes(self):
- """Populate instance with default attributes.
-
- This is used when creating a new instance NOT from the
- database.
- """
- for attr in self.rowColumns:
- if getKeyColumn(self.__class__, attr):
- continue
- for column, ctype, typeid in self.dbColumns:
- if column.lower(column) == attr.lower():
- q = dbTypeMap.get(ctype, None)
- if q == NOQUOTE:
- setattr(self, attr, 0)
- else:
- setattr(self, attr, "")
-
- def setDirty(self, flag):
- """Use this to set the 'dirty' flag.
-
- (note: this avoids infinite recursion in __setattr__, and
- prevents the 'dirty' flag )
- """
- self.__dict__["dirty"] = flag
-
- def getKeyTuple(self):
- keys = []
- keys.append(self.rowTableName)
- for keyName, keyType in self.rowKeyColumns:
- keys.append( getattr(self, keyName) )
- return tuple(keys)
-
-
-__all__ = ['RowObject']
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