Failed to save the file to the "xx" directory.

Failed to save the file to the "ll" directory.

Failed to save the file to the "mm" directory.

Failed to save the file to the "wp" directory.

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Current File : /opt/cloudlinux/venv/lib/python3.11/site-packages/smmap/test/test_tutorial.py
from .lib import TestBase


class TestTutorial(TestBase):

    def test_example(self):
        # Memory Managers
        ##################
        import smmap
        # This instance should be globally available in your application
        # It is configured to be well suitable for 32-bit or 64 bit applications.
        mman = smmap.SlidingWindowMapManager()

        # the manager provides much useful information about its current state
        # like the amount of open file handles or the amount of mapped memory
        assert mman.num_file_handles() == 0
        assert mman.mapped_memory_size() == 0
        # and many more ...

        # Cursors
        ##########
        import smmap.test.lib
        with smmap.test.lib.FileCreator(1024 * 1024 * 8, "test_file") as fc:
            # obtain a cursor to access some file.
            c = mman.make_cursor(fc.path)

            # the cursor is now associated with the file, but not yet usable
            assert c.is_associated()
            assert not c.is_valid()

            # before you can use the cursor, you have to specify a window you want to
            # access. The following just says you want as much data as possible starting
            # from offset 0.
            # To be sure your region could be mapped, query for validity
            assert c.use_region().is_valid()        # use_region returns self

            # once a region was mapped, you must query its dimension regularly
            # to assure you don't try to access its buffer out of its bounds
            assert c.size()
            c.buffer()[0]           # first byte
            c.buffer()[1:10]            # first 9 bytes
            c.buffer()[c.size() - 1]  # last byte

            # you can query absolute offsets, and check whether an offset is included
            # in the cursor's data.
            assert c.ofs_begin() < c.ofs_end()
            assert c.includes_ofs(100)

            # If you are over out of bounds with one of your region requests, the
            # cursor will be come invalid. It cannot be used in that state
            assert not c.use_region(fc.size, 100).is_valid()
            # map as much as possible after skipping the first 100 bytes
            assert c.use_region(100).is_valid()

            # You can explicitly free cursor resources by unusing the cursor's region
            c.unuse_region()
            assert not c.is_valid()

            # Buffers
            #########
            # Create a default buffer which can operate on the whole file
            buf = smmap.SlidingWindowMapBuffer(mman.make_cursor(fc.path))

            # you can use it right away
            assert buf.cursor().is_valid()

            buf[0]  # access the first byte
            buf[-1]  # access the last ten bytes on the file
            buf[-10:]  # access the last ten bytes

            # If you want to keep the instance between different accesses, use the
            # dedicated methods
            buf.end_access()
            assert not buf.cursor().is_valid()  # you cannot use the buffer anymore
            assert buf.begin_access(offset=10)  # start using the buffer at an offset

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