本文整理匯總了Python中copy.extra方法的典型用法代碼示例。如果您正苦於以下問題:Python copy.extra方法的具體用法?Python copy.extra怎麽用?Python copy.extra使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類copy
的用法示例。
在下文中一共展示了copy.extra方法的13個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: as_sql
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def as_sql(self, compiler, connection, function=None, template=None, arg_joiner=None, **extra_context):
connection.ops.check_expression_support(self)
sql_parts = []
params = []
for arg in self.source_expressions:
arg_sql, arg_params = compiler.compile(arg)
sql_parts.append(arg_sql)
params.extend(arg_params)
data = self.extra.copy()
data.update(**extra_context)
# Use the first supplied value in this order: the parameter to this
# method, a value supplied in __init__()'s **extra (the value in
# `data`), or the value defined on the class.
if function is not None:
data['function'] = function
else:
data.setdefault('function', self.function)
template = template or data.get('template', self.template)
arg_joiner = arg_joiner or data.get('arg_joiner', self.arg_joiner)
data['expressions'] = data['field'] = arg_joiner.join(sql_parts)
return template % data, params
示例2: as_sql
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def as_sql(self, compiler, connection, function=None, template=None, arg_joiner=None, **extra_context):
connection.ops.check_expression_support(self)
sql_parts = []
params = []
for arg in self.source_expressions:
arg_sql, arg_params = compiler.compile(arg)
sql_parts.append(arg_sql)
params.extend(arg_params)
data = {**self.extra, **extra_context}
# Use the first supplied value in this order: the parameter to this
# method, a value supplied in __init__()'s **extra (the value in
# `data`), or the value defined on the class.
if function is not None:
data['function'] = function
else:
data.setdefault('function', self.function)
template = template or data.get('template', self.template)
arg_joiner = arg_joiner or data.get('arg_joiner', self.arg_joiner)
data['expressions'] = data['field'] = arg_joiner.join(sql_parts)
return template % data, params
開發者ID:PacktPublishing,項目名稱:Hands-On-Application-Development-with-PyCharm,代碼行數:22,代碼來源:expressions.py
示例3: __init__
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def __init__(self, *expressions, **extra):
output_field = extra.pop('output_field', None)
super(Func, self).__init__(output_field=output_field)
self.source_expressions = self._parse_expressions(*expressions)
self.extra = extra
示例4: __repr__
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def __repr__(self):
args = self.arg_joiner.join(str(arg) for arg in self.source_expressions)
extra = ', '.join(str(key) + '=' + str(val) for key, val in self.extra.items())
if extra:
return "{}({}, {})".format(self.__class__.__name__, args, extra)
return "{}({})".format(self.__class__.__name__, args)
示例5: as_sql
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def as_sql(self, compiler, connection, function=None, template=None):
connection.ops.check_expression_support(self)
sql_parts = []
params = []
for arg in self.source_expressions:
arg_sql, arg_params = compiler.compile(arg)
sql_parts.append(arg_sql)
params.extend(arg_params)
if function is None:
self.extra['function'] = self.extra.get('function', self.function)
else:
self.extra['function'] = function
self.extra['expressions'] = self.extra['field'] = self.arg_joiner.join(sql_parts)
template = template or self.extra.get('template', self.template)
return template % self.extra, params
示例6: copy
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def copy(self):
copy = super(Func, self).copy()
copy.source_expressions = self.source_expressions[:]
copy.extra = self.extra.copy()
return copy
示例7: __init__
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def __init__(self, *expressions, output_field=None, **extra):
if self.arity is not None and len(expressions) != self.arity:
raise TypeError(
"'%s' takes exactly %s %s (%s given)" % (
self.__class__.__name__,
self.arity,
"argument" if self.arity == 1 else "arguments",
len(expressions),
)
)
super().__init__(output_field=output_field)
self.source_expressions = self._parse_expressions(*expressions)
self.extra = extra
示例8: __repr__
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def __repr__(self):
args = self.arg_joiner.join(str(arg) for arg in self.source_expressions)
extra = dict(self.extra, **self._get_repr_options())
if extra:
extra = ', '.join(str(key) + '=' + str(val) for key, val in sorted(extra.items()))
return "{}({}, {})".format(self.__class__.__name__, args, extra)
return "{}({})".format(self.__class__.__name__, args)
示例9: _get_repr_options
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def _get_repr_options(self):
"""Return a dict of extra __init__() options to include in the repr."""
return {}
示例10: copy
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def copy(self):
copy = super().copy()
copy.source_expressions = self.source_expressions[:]
copy.extra = self.extra.copy()
return copy
示例11: __invert__
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def __invert__(self):
return type(self)(self.queryset, negated=(not self.negated), **self.extra)
示例12: __repr__
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def __repr__(self):
args = self.arg_joiner.join(str(arg) for arg in self.source_expressions)
extra = {**self.extra, **self._get_repr_options()}
if extra:
extra = ', '.join(str(key) + '=' + str(val) for key, val in sorted(extra.items()))
return "{}({}, {})".format(self.__class__.__name__, args, extra)
return "{}({})".format(self.__class__.__name__, args)
示例13: __init__
# 需要導入模塊: import copy [as 別名]
# 或者: from copy import extra [as 別名]
def __init__(self, *expressions, **extra):
if self.arity is not None and len(expressions) != self.arity:
raise TypeError(
"'%s' takes exactly %s %s (%s given)" % (
self.__class__.__name__,
self.arity,
"argument" if self.arity == 1 else "arguments",
len(expressions),
)
)
output_field = extra.pop('output_field', None)
super(Func, self).__init__(output_field=output_field)
self.source_expressions = self._parse_expressions(*expressions)
self.extra = extra