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Unified Diff: third_party/twisted_8_1/twisted/enterprise/util.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/util.py
diff --git a/third_party/twisted_8_1/twisted/enterprise/util.py b/third_party/twisted_8_1/twisted/enterprise/util.py
deleted file mode 100644
index e75b92f4012d49c94a2844ee760e171827241b3e..0000000000000000000000000000000000000000
--- a/third_party/twisted_8_1/twisted/enterprise/util.py
+++ /dev/null
@@ -1,200 +0,0 @@
-# -*- test-case-name: twisted.test.test_enterprise -*-
-# Copyright (c) 2001-2008 Twisted Matrix Laboratories.
-# See LICENSE for details.
-
-
-import warnings, types
-
-from twisted.python.versions import Version, getVersionString
-from twisted.python.deprecate import deprecated
-from twisted.enterprise.adbapi import _safe
-
-# Common deprecation decorator used for all deprecations.
-_deprecatedVersion = Version("Twisted", 8, 0, 0)
-_releasedDeprecation = deprecated(_deprecatedVersion)
-
-warnings.warn(
- "twisted.enterprise.util is deprecated since %s." % (
- getVersionString(_deprecatedVersion),),
- category=DeprecationWarning)
-
-NOQUOTE = 1
-USEQUOTE = 2
-
-dbTypeMap = {
- "bigint": NOQUOTE,
- "bool": USEQUOTE,
- "boolean": USEQUOTE,
- "bytea": USEQUOTE,
- "date": USEQUOTE,
- "int2": NOQUOTE,
- "int4": NOQUOTE,
- "int8": NOQUOTE,
- "int": NOQUOTE,
- "integer": NOQUOTE,
- "float4": NOQUOTE,
- "float8": NOQUOTE,
- "numeric": NOQUOTE,
- "real": NOQUOTE,
- "smallint": NOQUOTE,
- "char": USEQUOTE,
- "text": USEQUOTE,
- "time": USEQUOTE,
- "timestamp": USEQUOTE,
- "varchar": USEQUOTE
- }
-
-class DBError(Exception):
- pass
-
-
-
-### Utility functions
-
-def getKeyColumn(rowClass, name):
- lcname = name.lower()
- for keyColumn, type in rowClass.rowKeyColumns:
- if lcname == keyColumn.lower():
- return name
- return None
-getKeyColumn = _releasedDeprecation(getKeyColumn)
-
-
-
-def quote(value, typeCode, string_escaper=_safe):
- """Add quotes for text types and no quotes for integer types.
- NOTE: uses Postgresql type codes.
- """
- q = dbTypeMap.get(typeCode, None)
- if q is None:
- raise DBError("Type %s not known" % typeCode)
- if value is None:
- return 'null'
- if q == NOQUOTE:
- return str(value)
- elif q == USEQUOTE:
- if typeCode.startswith('bool'):
- if value:
- value = '1'
- else:
- value = '0'
- if typeCode == "bytea":
- l = ["'"]
- for c in value:
- i = ord(c)
- if i == 0:
- l.append("\\\\000")
- elif i == 92:
- l.append(c * 4)
- elif 32 <= i <= 126:
- l.append(c)
- else:
- l.append("\\%03o" % i)
- l.append("'")
- return "".join(l)
- if not isinstance(value, types.StringType) and \
- not isinstance(value, types.UnicodeType):
- value = str(value)
- return "'%s'" % string_escaper(value)
-quote = _releasedDeprecation(quote)
-
-
-def safe(text):
- """
- Make a string safe to include in an SQL statement.
- """
- return _safe(text)
-
-safe = _releasedDeprecation(safe)
-
-
-def makeKW(rowClass, args):
- """Utility method to construct a dictionary for the attributes
- of an object from set of args. This also fixes the case of column names.
- """
- kw = {}
- for i in range(0,len(args)):
- columnName = rowClass.dbColumns[i][0].lower()
- for attr in rowClass.rowColumns:
- if attr.lower() == columnName:
- kw[attr] = args[i]
- break
- return kw
-makeKW = _releasedDeprecation(makeKW)
-
-
-def defaultFactoryMethod(rowClass, data, kw):
- """Used by loadObjects to create rowObject instances.
- """
- newObject = rowClass()
- newObject.__dict__.update(kw)
- return newObject
-defaultFactoryMethod = _releasedDeprecation(defaultFactoryMethod)
-
-### utility classes
-
-class _TableInfo:
- """(internal)
-
- Info about a table/class and it's relationships. Also serves as a container for
- generated SQL.
- """
- def __init__(self, rc):
- self.rowClass = rc
- self.rowTableName = rc.rowTableName
- self.rowKeyColumns = rc.rowKeyColumns
- self.rowColumns = rc.rowColumns
-
- if hasattr(rc, "rowForeignKeys"):
- self.rowForeignKeys = rc.rowForeignKeys
- else:
- self.rowForeignKeys = []
-
- if hasattr(rc, "rowFactoryMethod"):
- if rc.rowFactoryMethod:
- self.rowFactoryMethod = rc.rowFactoryMethod
- else:
- self.rowFactoryMethod = [defaultFactoryMethod]
- else:
- self.rowFactoryMethod = [defaultFactoryMethod]
-
- self.updateSQL = None
- self.deleteSQL = None
- self.insertSQL = None
- self.relationships = []
- self.dbColumns = []
-
- def addForeignKey(self, childColumns, parentColumns, childRowClass, containerMethod, autoLoad):
- """This information is attached to the "parent" table
- childColumns - columns of the "child" table
- parentColumns - columns of the "parent" table, the one being joined to... the "foreign" table
- """
- self.relationships.append( _TableRelationship(childColumns, parentColumns,
- childRowClass, containerMethod, autoLoad) )
-
- def getRelationshipFor(self, tableName):
- for relationship in self.relationships:
- if relationship.childRowClass.rowTableName == tableName:
- return relationship
- return None
-
-class _TableRelationship:
- """(Internal)
-
- A foreign key relationship between two tables.
- """
- def __init__(self,
- childColumns,
- parentColumns,
- childRowClass,
- containerMethod,
- autoLoad):
- self.childColumns = childColumns
- self.parentColumns = parentColumns
- self.childRowClass = childRowClass
- self.containerMethod = containerMethod
- self.autoLoad = autoLoad
-
-
-__all__ = ['NOQUOTE', 'USEQUOTE', 'dbTypeMap', 'DBError', 'getKeyColumn',
- 'safe', 'quote']
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