Module Import alias ImportFrom alias Import alias FunctionDef arguments args NameParam NameParam defaults Str body Expr Str Assign NameStore Call AttributeLoad AttributeLoad NameLoad attr attr NameLoad NameLoad If Call AttributeLoad AttributeLoad NameLoad attr attr NameLoad body Return Call AttributeLoad NameLoad attr keyword NameLoad keyword NameLoad orelse Return Call AttributeLoad NameLoad attr keyword NameLoad keyword NameLoad decorator_list
N/A N/A os bcolz.ctable ROOTDIRS N/A bquery open N/A N/A rootdir mode N/A a N/A N/A 
    open(rootdir, mode='a')

    Open a disk-based carray/ctable.
    This function could be used to open bcolz objects as bquery objects to
    perform queries on them.

    Parameters
    ----------
    rootdir : pathname (string)
        The directory hosting the carray/ctable object.
    mode : the open mode (string)
        Specifies the mode in which the object is opened.  The supported
        values are:

          * 'r' for read-only
          * 'w' for emptying the previous underlying data
          * 'a' for allowing read/write on top of existing data

    Returns
    -------
    out : a carray/ctable object or IOError (if not objects are found)

     N/A rootsfile N/A N/A N/A os path join rootdir ROOTDIRS N/A N/A N/A N/A os path exists rootsfile N/A N/A N/A N/A bquery ctable rootdir rootdir mode mode N/A N/A N/A N/A bquery carray rootdir rootdir mode mode N/A