data.py 文件源码

def emit_func(func, o=sys.__stdout__, d = init()):
    """Emits all items in the data store in a format such that it can be sourced by a shell."""

    keys = (key for key in d.keys() if not key.startswith("__") and not d.getVarFlag(key, "func", False))
    for key in keys:
        emit_var(key, o, d, False)

    o.write('\n')
    emit_var(func, o, d, False) and o.write('\n')
    newdeps = bb.codeparser.ShellParser(func, logger).parse_shell(d.getVar(func, True))
    newdeps |= set((d.getVarFlag(func, "vardeps", True) or "").split())
    seen = set()
    while newdeps:
        deps = newdeps
        seen |= deps
        newdeps = set()
        for dep in deps:
            if d.getVarFlag(dep, "func", False) and not d.getVarFlag(dep, "python", False):
               emit_var(dep, o, d, False) and o.write('\n')
               newdeps |=  bb.codeparser.ShellParser(dep, logger).parse_shell(d.getVar(dep, True))
               newdeps |= set((d.getVarFlag(dep, "vardeps", True) or "").split())
        newdeps -= seen