Source code for pyquickhelper.loghelper.buffered_flog

"""
Buffer as a logging function.


:githublink:`%|py|5`
"""
from io import StringIO



[docs]class BufferedPrint:
    """
    Buffered display. Relies on :epkg:`*py:io:StringIO`.
    Use it as follows:

    .. runpython::
        :showcode:

        def do_something(fLOG=None):
            if fLOG:
                fLOG("Did something.")
            return 3

        from pyquickhelper.loghelper import BufferedPrint
        buf = BufferedPrint()
        do_something(fLOG=buf.fprint)
        print(buf)


    :githublink:`%|py|25`
    """


[docs]    def __init__(self):
        "constructor"
        self.buffer = StringIO()



[docs]    def fprint(self, *args, **kwargs):
        "print function"
        mes = " ".join(str(_) for _ in args)
        self.buffer.write(mes)
        self.buffer.write("\n")



[docs]    def __str__(self):
        "Returns the content."
        return self.buffer.getvalue()