class StraboObject(object):
value_type = None
_sexpr = None
def __init__(self, connection=None):
if connection is None:
self.connection = StraboConnection()
else:
self.connection = connection
def sexpr(self):
return self._sexpr
def compile(self):
return self._compile_sexpr(self.sexpr())
def run(self):
return self.connection.run(self)
def map(self, function):
assert self.value_type is not None, "Attempted to call map on non iterable StraboObject"
return self.from_sexpr(
"map",
self.from_sexpr("lambda", ("arg", ),
function(arg_from_type(self.value_type))), self)
def __repr__(self):
return "<Strabo Query: " + self.compile() + " >"
def _compile_sexpr(self, sexpr):
tail = [self._format_arg(arg) for arg in sexpr[1:]]
return '(' + ' '.join([sexpr[0]] + tail) + ')'
def _format_arg(self, arg):
if isinstance(arg, basestring):
return '"' + arg.replace('\\', '\\\\').replace('"', '\\"') + '"'
elif isinstance(arg, tuple):
return self._compile_sexpr(arg)
else:
return unicode(arg)
def from_sexpr(self, *args):
sexpr = tuple(arg.sexpr() if isinstance(arg, StraboObject) else arg
for arg in args)
new_object = StraboObject(connection=self.connection)
new_object._sexpr = sexpr
new_object.value_type = self.value_type
return new_object
class StraboObject(object):
value_type = None
_sexpr = None
def __init__(self, connection=None):
if connection is None:
self.connection = StraboConnection()
else:
self.connection = connection
def sexpr(self):
return self._sexpr
def compile(self):
return self._compile_sexpr(self.sexpr())
def run(self):
return self.connection.run(self)
def map(self, function):
assert self.value_type is not None, "Attempted to call map on non iterable StraboObject"
return self.from_sexpr(
"map", self.from_sexpr("lambda", ("arg",), function(arg_from_type(self.value_type))), self
)
def __repr__(self):
return "<Strabo Query: " + self.compile() + " >"
def _compile_sexpr(self, sexpr):
tail = [self._format_arg(arg) for arg in sexpr[1:]]
return "(" + " ".join([sexpr[0]] + tail) + ")"
def _format_arg(self, arg):
if isinstance(arg, basestring):
return '"' + arg.replace("\\", "\\\\").replace('"', '\\"') + '"'
elif isinstance(arg, tuple):
return self._compile_sexpr(arg)
else:
return unicode(arg)
def from_sexpr(self, *args):
sexpr = tuple(arg.sexpr() if isinstance(arg, StraboObject) else arg for arg in args)
new_object = StraboObject(connection=self.connection)
new_object._sexpr = sexpr
new_object.value_type = self.value_type
return new_object
def __init__(self, connection=None):
if connection is None:
self.connection = StraboConnection()
else:
self.connection = connection
def __init__(self, connection=None):
if connection is None:
self.connection = StraboConnection()
else:
self.connection = connection
