def _format_node(self, expr):
op = expr.op()
formatted_args = []
def visit(what, extra_indents=0):
if isinstance(what, ir.Expr):
result = self._format_subexpr(what)
else:
result = self._indent(str(what))
if extra_indents > 0:
result = util.indent(result, self.indent_size)
formatted_args.append(result)
arg_names = getattr(op, 'display_argnames', op.argnames)
if not arg_names:
for arg in op.args:
if util.is_iterable(arg):
for x in arg:
visit(x)
else:
visit(arg)
else:
for arg, name in zip(op.args, arg_names):
if name == 'arg' and isinstance(op, ops.ValueOp):
# don't display first argument's name in repr
name = None
if name is not None:
name = self._indent('{0}:'.format(name))
if util.is_iterable(arg):
if name is not None and len(arg) > 0:
formatted_args.append(name)
indents = 1
else:
indents = 0
for x in arg:
visit(x, extra_indents=indents)
else:
if name is not None:
formatted_args.append(name)
indents = 1
else:
indents = 0
visit(arg, extra_indents=indents)
opname = type(op).__name__
type_display = self._get_type_display(expr)
opline = '%s[%s]' % (opname, type_display)
return '\n'.join([opline] + formatted_args)
def eq(left, right):
if type(left) != type(right):
return False
if is_iterable(left) and is_iterable(right):
return all(map(eq, left, right))
if not isinstance(left, ast.AST) and not isinstance(right, ast.AST):
return left == right
assert hasattr(left, "_fields") and hasattr(right, "_fields")
return left._fields == right._fields and all(
eq(getattr(left, left_name), getattr(right, right_name))
for left_name, right_name in zip(left._fields, right._fields))
def eq(left, right):
if type(left) != type(right):
return False
if is_iterable(left) and is_iterable(right):
return all(map(eq, left, right))
if not isinstance(left, ast.AST) and not isinstance(right, ast.AST):
return left == right
assert hasattr(left, '_fields') and hasattr(right, '_fields')
return left._fields == right._fields and all(
eq(getattr(left, left_name), getattr(right, right_name))
for left_name, right_name in zip(left._fields, right._fields)
)
def tuplize_iter(values):
yield from (
tuple(tuplize_iter(value))
if util.is_iterable(value)
else value
for value in values
)
def _format_node(self, expr):
op = expr.op()
formatted_args = []
def visit(what, extra_indents=0):
if isinstance(what, ir.Expr):
result = self._format_subexpr(what)
else:
result = self._indent(str(what))
if extra_indents > 0:
result = util.indent(result, self.indent_size)
formatted_args.append(result)
arg_names = getattr(op, 'display_argnames', op.argnames)
if not arg_names:
for arg in op.flat_args():
visit(arg)
else:
arg_name_pairs = zip(op.args, arg_names)
for arg, name in arg_name_pairs:
if name == 'arg' and isinstance(op, ops.ValueOp):
# don't display first argument's name in repr
name = None
if name is not None:
name = self._indent(f'{name}:')
if util.is_iterable(arg):
if name is not None and len(arg) > 0:
formatted_args.append(name)
indents = 1
else:
indents = 0
for x in arg:
visit(x, extra_indents=indents)
else:
if name is not None:
formatted_args.append(name)
indents = 1
else:
indents = 0
visit(arg, extra_indents=indents)
opname = type(op).__name__
type_display = self._get_type_display(expr)
if isinstance(op, ops.TableNode):
try:
opline = f"{opname}[{self.memo.get_alias(expr)}]"
except KeyError:
opline = opname
else:
opline = f"{type_display} = {opname}"
return '\n'.join([opline] + formatted_args)
def _format_node(self, expr):
op = expr.op()
formatted_args = []
def visit(what, extra_indents=0):
if isinstance(what, ir.Expr):
result = self._format_subexpr(what)
else:
result = self._indent(str(what))
if extra_indents > 0:
result = util.indent(result, self.indent_size)
formatted_args.append(result)
arg_names = getattr(op, 'display_argnames', op.argnames)
if not arg_names:
for arg in op.flat_args():
visit(arg)
else:
signature = op.signature
arg_name_pairs = (
(arg, name)
for arg, name in zip(op.args, arg_names)
if signature[name].show
)
for arg, name in arg_name_pairs:
if name == 'arg' and isinstance(op, ops.ValueOp):
# don't display first argument's name in repr
name = None
if name is not None:
name = self._indent('{}:'.format(name))
if util.is_iterable(arg):
if name is not None and len(arg) > 0:
formatted_args.append(name)
indents = 1
else:
indents = 0
for x in arg:
visit(x, extra_indents=indents)
else:
if name is not None:
formatted_args.append(name)
indents = 1
else:
indents = 0
visit(arg, extra_indents=indents)
opname = type(op).__name__
type_display = self._get_type_display(expr)
opline = '{}[{}]'.format(opname, type_display)
return '\n'.join([opline] + formatted_args)
def container_of(inner, arg, *, type, min_length=0, flatten=False, **kwargs):
if not util.is_iterable(arg):
raise com.IbisTypeError('Argument must be a sequence')
if len(arg) < min_length:
raise com.IbisTypeError(
f'Arg must have at least {min_length} number of elements')
if flatten:
arg = util.flatten_iterable(arg)
return type(inner(item, **kwargs) for item in arg)
def output_shape(self):
arg = getattr(self, name)
if util.is_iterable(arg):
for expr in arg:
try:
op = expr.op()
except AttributeError:
continue
if op.output_shape is Shape.COLUMNAR:
return Shape.COLUMNAR
return Shape.SCALAR
else:
return arg.op().output_shape
def shape_like(arg, dtype=None):
if util.is_iterable(arg):
datatype = dtype or highest_precedence_dtype(arg)
columnar = util.any_of(arg, ir.AnyColumn)
else:
datatype = dtype or arg.type()
columnar = isinstance(arg, ir.AnyColumn)
dtype = dt.dtype(datatype)
if columnar:
return dtype.column_type()
else:
return dtype.scalar_type()
def _lift_arg(self, arg, block=None):
changed = 0
def _lift(expr):
nonlocal changed
if isinstance(expr, ir.Expr):
lifted_arg = self.lift(expr, block=block)
changed += lifted_arg is not expr
else:
# a string or some other thing
lifted_arg = expr
return lifted_arg
if arg is None:
return arg, True
if util.is_iterable(arg):
result = list(map(_lift, arg))
else:
result = _lift(arg)
return result, not changed
def _fmt_value_value_op(op: ops.ValueOp, *, aliases: Aliases) -> str:
args = []
# loop over argument names and original expression
for argname, orig_expr in zip(op.argnames, op.args):
# promote argument to a list, so that we don't accidentially repr
# entire subtrees when all we want is the formatted argument value
if exprs := [
expr for expr in util.promote_list(orig_expr)
if expr is not None
]:
# format the individual argument values
formatted_args = ", ".join(
fmt_value(expr, aliases=aliases) for expr in exprs)
# if the original argument was a non-string iterable, display it as
# a list
value = (f"[{formatted_args}]"
if util.is_iterable(orig_expr) else formatted_args)
# `arg` and `expr` are noisy, so we ignore printing them as a
# special case
if argname not in ("arg", "expr"):
formatted = f"{argname}={value}"
else:
formatted = value
args.append(formatted)
def _sequence_to_tuple(x):
return tuple(x) if util.is_iterable(x) else x
def output_dtype(self):
arg = getattr(self, name)
if util.is_iterable(arg):
return highest_precedence_dtype(arg)
else:
return arg.type()
def _tuple_to_list(t: tuple):
for element in t:
if util.is_iterable(element):
yield list(_tuple_to_list(element))
else:
yield element
def flat_args(self):
for arg in self.args:
if not isinstance(arg, Schema) and is_iterable(arg):
yield from arg
else:
yield arg
