Pyscss is obsolete with Dart CSS complier; remove all pyscss code.

third_party/pyscss/scss/control.py

-import sys, os
-from os.path import abspath, dirname, join, normpath
-from scss import OPRT
-from scss.base import ParseNode, Empty, Node, IncludeNode
-from scss.function import FUNCTION_LIST, unknown, warn
-from scss.value import StringValue, Value, BooleanValue, NumberValue, QuotedStringValue
-
-class Option(Empty):
-    """ Set parser option.
-    """
-    def parse(self, target):
-        opts = map(lambda (x, y): (x.value, BooleanValue(y).value),
-                    zip(*[iter(self.data[1:])]*2))
-        for v in opts:
-            self.root.set_opt(*v)
-
-
-class Variable(Value, ParseNode):
-
-    def_value = StringValue('none')
-
-    @classmethod
-    def _do_op(cls, self, other, op):
-        return self.value._do_op(self.value, other, op)
-
-    @classmethod
-    def _do_cmps(cls, self, other, op):
-        return self.value._do_cmps(self.value, other, op)
-
-    def __nonzero__(self):
-        return True
-
-    @property
-    def value(self):
-        name = self.data[0].strip('-$')
-        minus = self.data[0][0] == '-'
-        value = self.ctx.get(name) or self.root.ctx.get(name, self.def_value)
-        return (0 - value) if minus else value
-
-
-class Variables(ParseNode, Empty):
-    pass
-
-
-class Expression(Variable):
-
-    @property
-    def value(self):
-        it = iter(self.data)
-        try:
-            first = next(it)
-            while True:
-                res = next(it)
-                op = OPRT.get(res.strip(), None)
-                if op:
-                    second = next(it)
-                    first = op(first, second)
-
-                    if op == OPRT['and'] and not first:
-                        raise StopIteration
-
-                    elif op == OPRT['or'] and first:
-                        raise StopIteration
-
-        except StopIteration:
-            while isinstance(first, Variable):
-                first = first.value
-            return first
-
-
-class SepValString(Expression):
-
-    @property
-    def value(self):
-        return ', '.join(str(e.value) for e in self.data)
-
-
-class Function(Expression):
-
-    @property
-    def value(self):
-        name = self.data[0]
-        func_name_a = "%s:%d" % (name, len(self.data) - 1)
-        func_name_n = "%s:n" % name
-        func = FUNCTION_LIST.get(func_name_a, FUNCTION_LIST.get(func_name_n, unknown))
-
-        params = map(lambda v: v.value, self.data[1:])
-        return func(*params, root=self.root, name=name)
-
-
-class FunctionDefinition(Empty):
-
-    def parse(self, target):
-        name = self.data[1].value
-        params = self.data[2]
-        func_name = '%s:%s' % (name, len(params))
-        FUNCTION_LIST[func_name] = self.wrapper
-
-    def wrapper(self, *args, **kwargs):
-        self.ctx = Mixin.get_context(self.data[2], args)
-        for node in self.data[2:]:
-            if isinstance(node, FunctionReturn):
-                return node.value
-            elif isinstance(node, Node):
-                node.parse(self)
-
-
-class FunctionReturn(Variable):
-
-    @property
-    def value(self):
-        return self.data[1]
-
-
-class MixinParam(Empty):
-    def __init__(self, s, n, t):
-        super(MixinParam, self).__init__(s, n, t)
-        self.name = self.data[0].data[0][1:]
-        self.value = self.data[1] if len(self.data) > 1 else None
-
-
-class Extend(Empty):
-
-    def parse(self, target):
-        for rule in self.root.cache['rset'][self.data[1]]:
-            rule.name.extend(target.name)
-
-
-class Mixin(Empty):
-
-    def __init__(self, s, n, t):
-        super(Mixin, self).__init__(s, n, t)
-        self.name = str(self.data[1])
-        self.default = self.data[2]
-
-    def parse(self, target):
-        self.root.cache['mix'][self.name] = self
-
-    def include(self, target, params):
-        ctx = self.get_context(self.default, params)
-        if target.ctx:
-            ctx.update(target.ctx)
-
-        self.ctx = ctx
-        for n in params:
-            n.parse(self)
-
-        for node in self.data[3:]:
-            if isinstance(node, Node):
-                copy = node.copy()
-                copy.ctx = ctx
-                copy.parse(target)
-
-    @staticmethod
-    def get_context(default, params=''):
-        test = map(lambda x, y: (x, y), default, params)
-        return dict(( mp.name, v or mp.value ) for mp, v in test if mp)
-
-
-class Include(IncludeNode):
-
-    def parse(self, target):
-        from scss import parser
-
-        includeValue = self.data[1]
-        if isinstance(target, ParseNode) and not(isinstance(includeValue,
-                                                            QuotedStringValue)):
-            name = str(includeValue)
-            params = self.data[2:]
-            mixin = self.root.cache['mix'].get(name)
-            if mixin:
-                mixin.include(target, params)
-            else:
-                warn("Required mixin not found: %s:%d." % ( name, len(params)))
-        elif isinstance(target, parser.Stylesheet) and isinstance(includeValue,
-                QuotedStringValue):
-            # @include "scss file to include"
-            # Parse this file for more class names to emit in Dart class.
-            options = target.currentOptions
-            f = target.currentFile
-
-            s = parser.Stylesheet(options=target.currentOptions)
-            f = target.currentFile
-            path = dirname(abspath(f.name))
-            includePath = normpath('{0}/{1}'.format(path, self.data[1].value))
-            f = open(includePath, 'r')
-            nodes = s.loadReturnNodes(f)
-            target.addInclude(includeValue.value, nodes)
-
-class If(IncludeNode):
-
-    def parse(self, target):
-        self.data[0].parse(self)
-        target.ctx.update(self.ctx)
-        if isinstance(target, ParseNode):
-            if self.data[0].value:
-                self.data[1].parse(target)
-            elif len(self.data) > 2:
-                self.data[2].parse(target)
-
-
-class For(IncludeNode):
-    def parse(self, target):
-        if isinstance(target, ParseNode):
-            name = self.data[1].data[0][1:]
-            for i in xrange(int(float(self.data[2])), int(float(self.data[3]))+1):
-                body = self.data[4].copy()
-                body.ctx.update({name: NumberValue(i)})
-                body.parse(target)
-
-class Stylet(Empty):
-    def __init__(self, s, n, t):
-      super(Stylet, self).__init__(s, n, t)
-      self.name = str(self.data[1])