当前位置: 首页>>代码示例>>Python>>正文


Python DataBlockGenerator._openForWriting方法代码示例

本文整理汇总了Python中WMQuality.Emulators.DataBlockGenerator.DataBlockGenerator.DataBlockGenerator._openForWriting方法的典型用法代码示例。如果您正苦于以下问题:Python DataBlockGenerator._openForWriting方法的具体用法?Python DataBlockGenerator._openForWriting怎么用?Python DataBlockGenerator._openForWriting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WMQuality.Emulators.DataBlockGenerator.DataBlockGenerator.DataBlockGenerator的用法示例。


在下文中一共展示了DataBlockGenerator._openForWriting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: __init__

# 需要导入模块: from WMQuality.Emulators.DataBlockGenerator.DataBlockGenerator import DataBlockGenerator [as 别名]
# 或者: from WMQuality.Emulators.DataBlockGenerator.DataBlockGenerator.DataBlockGenerator import _openForWriting [as 别名]
class DBSReader:
    """
    Mock up dbs access
    """
    def __init__(self, url, **contact):
        self.dataBlocks = DataBlockGenerator()
        args = { "url" : url, "level" : 'ERROR', "version" : 'DBS_2_0_9'}
        self.dbs = _MockDBSApi(args)

    def getFileBlocksInfo(self, dataset, onlyClosedBlocks = True,
                          blockName = '*', locations = True):

        """Fake block info"""
        blocks = [x for x in self.dataBlocks.getBlocks(dataset)
                if x['Name'] == blockName or blockName == '*']
        if not blocks:
            # Weird error handling follows, this is what dbs does:
            # If block specified, return [], else raise DbsBadRequest error
            if blockName != '*':
                return []
            else:
                raise DBSReaderError('DbsBadRequest: DBS Server Raised An Error')
        if locations:
            for block in blocks:
                block['StorageElementList'] = [{'Role' : '', 'Name' : x} for x in \
                                               self.listFileBlockLocation(block['Name'])]
        return blocks

    def lfnsInBlock(self, fileBlockName):
        """
        _lfnsInBlock_
        Get a fake list of LFNs for the block
        """

        files = self.listFilesInBlock(fileBlockName)

        return [x['LogicalFileName'] for x in files]

    def listFileBlocks(self, dataset, onlyClosedBlocks = False,
                       blockName = '*'):
        """Get fake block names"""
        return [x['Name'] for x in self.getFileBlocksInfo(dataset, onlyClosedBlocks = False,
                                                          blockName = blockName,
                                                          locations = False)]

    def listOpenFileBlocks(self, dataset):
        """
        _listOpenFileBlocks_

        Retrieve a list of open fileblock names for a dataset

        """
        return [x['Name'] for x in self.getFileBlocksInfo(dataset, onlyClosedBlocks = False,
                                                          locations = False) if str(x['OpenForWriting' ]) == '1']

    def listFileBlockLocation(self, block):
        """Fake locations"""
        return self.dataBlocks.getLocation(block)

    def listFilesInBlock(self, fileBlockName):
        """Fake files"""
        return self.dataBlocks.getFiles(fileBlockName)

    def listFilesInBlockWithParents(self, block):
        return self.dataBlocks.getFiles(block, True)

    def getFileBlock(self, block):
        """Return block + locations"""
        result = { block : {
            "StorageElements" : self.listFileBlockLocation(block),
            "Files" : self.listFilesInBlock(block),
            "IsOpen" : self.dataBlocks._openForWriting(),
            }
                }
        return result

    def getFileBlockWithParents(self, fileBlockName):
        """
        _getFileBlockWithParents_

        return a dictionary:
        { blockName: {
             "StorageElements" : [<se list>],
             "Files" : dictionaries representing each file
             }
        }

        files

        """

        result = { fileBlockName: {
            "StorageElements" : self.listFileBlockLocation(fileBlockName),
            "Files" : self.listFilesInBlockWithParents(fileBlockName),
            "IsOpen" : self.dataBlocks._openForWriting(),

            }
                   }
        return result

#.........这里部分代码省略.........
开发者ID:AndrewLevin,项目名称:WMCore,代码行数:103,代码来源:DBSReader.py


注:本文中的WMQuality.Emulators.DataBlockGenerator.DataBlockGenerator.DataBlockGenerator._openForWriting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。