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Python CachingFilePath.open方法代码示例

本文整理汇总了Python中twext.python.filepath.CachingFilePath.open方法的典型用法代码示例。如果您正苦于以下问题:Python CachingFilePath.open方法的具体用法?Python CachingFilePath.open怎么用?Python CachingFilePath.open使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在twext.python.filepath.CachingFilePath的用法示例。


在下文中一共展示了CachingFilePath.open方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: File

# 需要导入模块: from twext.python.filepath import CachingFilePath [as 别名]
# 或者: from twext.python.filepath.CachingFilePath import open [as 别名]

#.........这里部分代码省略.........
            return None

    def listChildren(self):
        """
        @return: a sequence of the names of all known children of this resource.
        """
        children = self.putChildren.keys()
        if self.fp.isdir():
            children += [c for c in self.fp.listdir() if c not in children]
            self.knownChildren = set(children)
        return children

    def locateChild(self, req, segments):
        """
        See L{IResource}C{.locateChild}.
        """
        # If getChild() finds a child resource, return it
        child = self.getChild(segments[0])
        if child is not None: return (child, segments[1:])

        # If we're not backed by a directory, we have no children.
        # But check for existance first; we might be a collection resource
        # that the request wants created.
        self.fp.restat(False)
        if self.fp.exists() and not self.fp.isdir(): return (None, ())

        # OK, we need to return a child corresponding to the first segment
        path = segments[0]

        if path:
            fpath = self.fp.child(path)
        else:
            # Request is for a directory (collection) resource
            return (self, server.StopTraversal)

        # Don't run processors on directories - if someone wants their own
        # customized directory rendering, subclass File instead.
        if fpath.isfile():
            processor = self.processors.get(fpath.splitext()[1].lower())
            if processor:
                return (
                    processor(fpath.path),
                    segments[1:])

        elif not fpath.exists():
            sibling_fpath = fpath.siblingExtensionSearch(*self.ignoredExts)
            if sibling_fpath is not None:
                fpath = sibling_fpath

        return self.createSimilarFile(fpath.path), segments[1:]

    def renderHTTP(self, req):
        self.fp.changed()
        return super(File, self).renderHTTP(req)

    def render(self, req):
        """You know what you doing."""
        if not self.fp.exists():
            return responsecode.NOT_FOUND

        if self.fp.isdir():
            if req.path[-1] != "/":
                # Redirect to include trailing '/' in URI
                return http.RedirectResponse(req.unparseURL(path=req.path+'/'))
            else:
                ifp = self.fp.childSearchPreauth(*self.indexNames)
                if ifp:
                    # Render from the index file
                    standin = self.createSimilarFile(ifp.path)
                else:
                    # Directory listing is in twistedcaldav.extensions
                    standin = Data(
                        "\n".join(["Directory: " + str(req.path), "---"] +
                                  [x.basename() + ("/" if x.isdir() else "")
                                   for x in self.fp.children()]),
                        "text/plain")
                return standin.render(req)

        try:
            f = self.fp.open()
        except IOError, e:
            import errno
            if e[0] == errno.EACCES:
                return responsecode.FORBIDDEN
            elif e[0] == errno.ENOENT:
                return responsecode.NOT_FOUND
            else:
                raise

        response = http.Response()
        response.stream = stream.FileStream(f, 0, self.fp.getsize())

        for (header, value) in (
            ("content-type", self.contentType()),
            ("content-encoding", self.contentEncoding()),
        ):
            if value is not None:
                response.headers.setHeader(header, value)

        return response
开发者ID:jrossi,项目名称:twext,代码行数:104,代码来源:static.py


注:本文中的twext.python.filepath.CachingFilePath.open方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。