Python OrderedDict.keys方法代码示例

# 需要导入模块: from topaz.utils.ordereddict import OrderedDict [as 别名]
# 或者: from topaz.utils.ordereddict.OrderedDict import keys [as 别名]

#.........这里部分代码省略.........

    @classdef.method("length")
    @classdef.method("size")
    def method_size(self, space):
        return space.newint(len(self.contents))

    @classdef.method("empty?")
    def method_emptyp(self, space):
        return space.newbool(not bool(self.contents))

    @classdef.method("delete")
    @check_frozen()
    def method_delete(self, space, w_key, block):
        w_res = self.contents.pop(w_key, None)
        if w_res is None:
            if block:
                return space.invoke_block(block, [w_key])
            w_res = space.w_nil
        return w_res

    @classdef.method("clear")
    @check_frozen()
    def method_clear(self, space):
        self.contents.clear()
        return self

    @classdef.method("shift")
    @check_frozen()
    def method_shift(self, space):
        if not self.contents:
            return space.send(self, space.newsymbol("default"))
        w_key, w_value = self.contents.popitem()
        return space.newarray([w_key, w_value])

    @classdef.method("initialize_copy")
    @classdef.method("replace")
    @check_frozen()
    def method_replace(self, space, w_hash):
        assert isinstance(w_hash, W_HashObject)
        self.contents.clear()
        self.contents.update(w_hash.contents)
        return self

    @classdef.method("keys")
    def method_keys(self, space):
        return space.newarray(self.contents.keys())

    @classdef.method("values")
    def method_values(self, space):
        return space.newarray(self.contents.values())

    @classdef.method("to_hash")
    def method_to_hash(self, space):
        return self

    classdef.app_method("""
    def each
        iter = Topaz::HashIterator.new(self)
        while true
            begin
                key, value = iter.next()
            rescue StopIteration
                return
            end
            yield key, value
        end
    end
    alias each_pair each

    def each_key
        each { |k, v| yield k }
    end
    """)

    @classdef.method("key?")
    @classdef.method("has_key?")
    @classdef.method("member?")
    @classdef.method("include?")
    def method_includep(self, space, w_key):
        return space.newbool(w_key in self.contents)

    classdef.app_method("""
    def ==(other)
        if self.equal?(other)
            return true
        end
        if !other.kind_of?(Hash)
            return false
        end
        if self.size != other.size
            return false
        end
        self.each do |key, value|
            if !other.has_key?(key) || other[key] != value
                return false
            end
        end
        return true
    end
    """)

# 需要导入模块: from topaz.utils.ordereddict import OrderedDict [as 别名]
# 或者: from topaz.utils.ordereddict.OrderedDict import keys [as 别名]
class Glob(object):
    def __init__(self, cache, matches=None):
        self.cache = cache
        self._matches = OrderedDict()
        for match in (matches or []):
            self.append_match(match)

    def matches(self):
        return self._matches.keys()

    def append_match(self, match):
        self._matches[match] = None

    def is_constant(self, part, flags):
        special_chars = "?*["
        if not (flags & FNM_NOESCAPE):
            special_chars += "\\"
        for ch in part:
            if ch in special_chars:
                return False
        return True

    def single_compile(self, glob, flags=0):
        parts = path_split(glob)

        if parts[-1] == "/":
            last = DirectoriesOnly(None, flags)
        else:
            file = parts.pop()
            if self.is_constant(file, flags):
                last = ConstantEntry(None, flags, file)
            else:
                last = EntryMatch(None, flags, file)

        while parts:
            sep_parts = []
            while parts and parts[-1] == "/":
                sep_parts.append(parts.pop())
            last.separator = "".join(sep_parts)
            if not parts:
                last = RootDirectory(last, flags)
            else:
                dir = parts.pop()
                if dir == "**":
                    if parts:
                        last = RecursiveDirectories(last, flags)
                    else:
                        last = StartRecursiveDirectories(last, flags)
                elif self.is_constant(dir, flags):
                    last = ConstantDirectory(last, flags, dir)
                else:
                    last = DirectoryMatch(last, flags, dir)

        return last

    def run(self, node):
        node.call(self, None)

    def glob(self, pattern, flags):
        if "{" in pattern:
            patterns = self.compile(pattern, flags)
            for node in patterns:
                self.run(node)
        else:
            node = self.single_compile(pattern, flags)
            if node:
                self.run(node)

    def process_braces(self, pattern, flags, i=0):
        should_escape = flags & FNM_NOESCAPE == 0
        patterns = []

        escaped = False
        pattern_start = i
        segments = [""]
        while i < len(pattern):
            ch = pattern[i]
            if ch == "\\" and should_escape and not escaped:
                escaped = True
            elif ch == ",":
                if escaped:
                    escaped = False
                else:
                    suffix = pattern[pattern_start:i]
                    patterns.extend(combine_segments(segments, suffix))
                    segments = [""]
                    pattern_start = i + 1
            elif ch == "}":
                if escaped:
                    escaped = False
                else:
                    suffix = pattern[pattern_start:i]
                    patterns.extend(combine_segments(segments, suffix))
                    return i, patterns
            elif ch == "{":
                if escaped:
                    escaped = False
                else:
                    suffix = pattern[pattern_start:i]
                    i, new_segs = self.process_braces(pattern, flags, i + 1)
#.........这里部分代码省略.........

# 需要导入模块: from topaz.utils.ordereddict import OrderedDict [as 别名]
# 或者: from topaz.utils.ordereddict.OrderedDict import keys [as 别名]

#.........这里部分代码省略.........
    def method_set_default(self, space, w_defl):
        self.default_proc = None
        self.w_default = w_defl

    @classdef.method("default_proc")
    def method_default_proc(self, space):
        if self.default_proc is None:
            return space.w_nil
        return space.newproc(self.default_proc)

    @classdef.method("[]")
    def method_subscript(self, space, w_key):
        try:
            return self.contents[w_key]
        except KeyError:
            return space.send(self, space.newsymbol("default"), [w_key])

    @classdef.method("fetch")
    def method_fetch(self, space, w_key, w_value=None, block=None):
        try:
            return self.contents[w_key]
        except KeyError:
            if w_value is not None:
                return w_value
            elif block is not None:
                return space.invoke_block(block, [w_key])
            else:
                raise space.error(space.w_KeyError, "key not found: %s" % space.send(w_key, space.newsymbol("inspect")))

    @classdef.method("store")
    @classdef.method("[]=")
    @check_frozen()
    def method_subscript_assign(self, space, w_key, w_value):
        if space.is_kind_of(w_key, space.w_string) and not space.is_true(space.send(w_key, space.newsymbol("frozen?"))):

            w_key = space.send(w_key, space.newsymbol("dup"))
            w_key = space.send(w_key, space.newsymbol("freeze"))
        self.contents[w_key] = w_value
        return w_value

    @classdef.method("length")
    @classdef.method("size")
    def method_size(self, space):
        return space.newint(len(self.contents))

    @classdef.method("empty?")
    def method_emptyp(self, space):
        return space.newbool(not bool(self.contents))

    @classdef.method("delete")
    @check_frozen()
    def method_delete(self, space, w_key, block):
        w_res = self.contents.pop(w_key, None)
        if w_res is None:
            if block:
                return space.invoke_block(block, [w_key])
            w_res = space.w_nil
        return w_res

    @classdef.method("clear")
    @check_frozen()
    def method_clear(self, space):
        self.contents.clear()
        return self

    @classdef.method("shift")
    @check_frozen()
    def method_shift(self, space):
        if not self.contents:
            return space.send(self, space.newsymbol("default"), [space.w_nil])
        w_key, w_value = self.contents.popitem()
        return space.newarray([w_key, w_value])

    @classdef.method("initialize_copy")
    @classdef.method("replace")
    @check_frozen()
    def method_replace(self, space, w_hash):
        assert isinstance(w_hash, W_HashObject)
        self.contents.clear()
        self.contents.update(w_hash.contents)
        return self

    @classdef.method("keys")
    def method_keys(self, space):
        return space.newarray(self.contents.keys())

    @classdef.method("values")
    def method_values(self, space):
        return space.newarray(self.contents.values())

    @classdef.method("to_hash")
    def method_to_hash(self, space):
        return self

    @classdef.method("key?")
    @classdef.method("has_key?")
    @classdef.method("member?")
    @classdef.method("include?")
    def method_includep(self, space, w_key):
        return space.newbool(w_key in self.contents)

# 需要导入模块: from topaz.utils.ordereddict import OrderedDict [as 别名]
# 或者: from topaz.utils.ordereddict.OrderedDict import keys [as 别名]
 def keys_object(n):
     o = OrderedDict()
     o[Simple(1)] = None
     o[Simple(2)] = None
     o[Simple(3)] = None
     return o.keys()[n].x

# 需要导入模块: from topaz.utils.ordereddict import OrderedDict [as 别名]
# 或者: from topaz.utils.ordereddict.OrderedDict import keys [as 别名]
 def keys(n):
     o = OrderedDict()
     o[4] = 1
     o[5] = 2
     o[4] = 2
     return o.keys()[n]

# 需要导入模块: from topaz.utils.ordereddict import OrderedDict [as 别名]
# 或者: from topaz.utils.ordereddict.OrderedDict import keys [as 别名]

#.........这里部分代码省略.........
        arity = space.int_w(space.send(w_new_proc, "arity"))
        if arity != 2 and space.is_true(space.send(w_new_proc, "lambda?")):
            raise space.error(space.w_TypeError, "default_proc takes two arguments (2 for %s)" % arity)
        self.default_proc = w_new_proc
        self.w_default = space.w_nil
        return w_proc

    @classdef.method("[]")
    def method_subscript(self, space, w_key):
        try:
            return self.contents[w_key]
        except KeyError:
            return space.send(self, "default", [w_key])

    @classdef.method("fetch")
    def method_fetch(self, space, w_key, w_value=None, block=None):
        try:
            return self.contents[w_key]
        except KeyError:
            if block is not None:
                return space.invoke_block(block, [w_key])
            elif w_value is not None:
                return w_value
            else:
                raise space.error(space.w_KeyError, "key not found: %s" % space.send(w_key, "inspect"))

    @classdef.method("store")
    @classdef.method("[]=")
    @check_frozen()
    def method_subscript_assign(self, space, w_key, w_value):
        if space.is_kind_of(w_key, space.w_string) and not space.is_true(space.send(w_key, "frozen?")):

            w_key = space.send(w_key, "dup")
            w_key = space.send(w_key, "freeze")
        self.contents[w_key] = w_value
        return w_value

    @classdef.method("length")
    @classdef.method("size")
    def method_size(self, space):
        return space.newint(len(self.contents))

    @classdef.method("empty?")
    def method_emptyp(self, space):
        return space.newbool(not bool(self.contents))

    @classdef.method("delete")
    @check_frozen()
    def method_delete(self, space, w_key, block):
        w_res = self.contents.pop(w_key, None)
        if w_res is None:
            if block:
                return space.invoke_block(block, [w_key])
            w_res = space.w_nil
        return w_res

    @classdef.method("clear")
    @check_frozen()
    def method_clear(self, space):
        self.contents.clear()
        return self

    @classdef.method("shift")
    @check_frozen()
    def method_shift(self, space):
        if not self.contents:
            return space.send(self, "default", [space.w_nil])
        w_key, w_value = self.contents.popitem()
        return space.newarray([w_key, w_value])

    @classdef.method("initialize_copy")
    @classdef.method("replace")
    @check_frozen()
    def method_replace(self, space, w_hash):
        w_hash = space.convert_type(w_hash, space.w_hash, "to_hash")
        assert isinstance(w_hash, W_HashObject)
        self.contents.clear()
        self.contents.update(w_hash.contents)
        self.w_default = w_hash.w_default
        self.default_proc = w_hash.default_proc
        return self

    @classdef.method("keys")
    def method_keys(self, space):
        return space.newarray(self.contents.keys())

    @classdef.method("values")
    def method_values(self, space):
        return space.newarray(self.contents.values())

    @classdef.method("to_hash")
    def method_to_hash(self, space):
        return self

    @classdef.method("key?")
    @classdef.method("has_key?")
    @classdef.method("member?")
    @classdef.method("include?")
    def method_includep(self, space, w_key):
        return space.newbool(w_key in self.contents)