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Help on module mmap:

NAME
    mmap

MODULE REFERENCE
    https://docs.python.org/3.10/library/mmap.html

    The following documentation is automatically generated from the Python
    source files.  It may be incomplete, incorrect or include features that
    are considered implementation detail and may vary between Python
    implementations.  When in doubt, consult the module reference at the
    location listed above.

CLASSES
    builtins.object
        mmap

    class mmap(builtins.object)
     |  Windows: mmap(fileno, length[, tagname[, access[, offset]]])
     |
     |  Maps length bytes from the file specified by the file handle fileno,
     |  and returns a mmap object.  If length is larger than the current size
     |  of the file, the file is extended to contain length bytes.  If length
     |  is 0, the maximum length of the map is the current size of the file,
     |  except that if the file is empty Windows raises an exception (you cannot
     |  create an empty mapping on Windows).
     |
     |  Unix: mmap(fileno, length[, flags[, prot[, access[, offset]]]])
     |
     |  Maps length bytes from the file specified by the file descriptor fileno,
     |  and returns a mmap object.  If length is 0, the maximum length of the map
     |  will be the current size of the file when mmap is called.
     |  flags specifies the nature of the mapping. MAP_PRIVATE creates a
     |  private copy-on-write mapping, so changes to the contents of the mmap
     |  object will be private to this process, and MAP_SHARED creates a mapping
     |  that's shared with all other processes mapping the same areas of the file.
     |  The default value is MAP_SHARED.
     |
     |  To map anonymous memory, pass -1 as the fileno (both versions).
     |
     |  Methods defined here:
     |
     |  __delitem__(self, key, /)
     |      Delete self[key].
     |
     |  __enter__(...)
     |
     |  __exit__(...)
     |
     |  __getattribute__(self, name, /)
     |      Return getattr(self, name).
     |
     |  __getitem__(self, key, /)
     |      Return self[key].
     |
     |  __len__(self, /)
     |      Return len(self).
     |
     |  __repr__(self, /)
     |      Return repr(self).
     |
     |  __setitem__(self, key, value, /)
     |      Set self[key] to value.
     |
     |  close(...)
     |
     |  find(...)
     |
     |  flush(...)
     |
     |  madvise(...)
     |
     |  move(...)
     |
     |  read(...)
     |
     |  read_byte(...)
     |
     |  readline(...)
     |
     |  resize(...)
     |
     |  rfind(...)
     |
     |  seek(...)
     |
     |  size(...)
     |
     |  tell(...)
     |
     |  write(...)
     |
     |  write_byte(...)
     |
     |  ----------------------------------------------------------------------
     |  Static methods defined here:
     |
     |  __new__(*args, **kwargs) from builtins.type
     |      Create and return a new object.  See help(type) for accurate signature.
     |
     |  ----------------------------------------------------------------------
     |  Data descriptors defined here:
     |
     |  closed

DATA
    ACCESS_COPY = 3
    ACCESS_DEFAULT = 0
    ACCESS_READ = 1
    ACCESS_WRITE = 2
    ALLOCATIONGRANULARITY = 4096
    MADV_DODUMP = 17
    MADV_DOFORK = 11
    MADV_DONTDUMP = 16
    MADV_DONTFORK = 10
    MADV_DONTNEED = 4
    MADV_FREE = 8
    MADV_HUGEPAGE = 14
    MADV_HWPOISON = 100
    MADV_MERGEABLE = 12
    MADV_NOHUGEPAGE = 15
    MADV_NORMAL = 0
    MADV_RANDOM = 1
    MADV_REMOVE = 9
    MADV_SEQUENTIAL = 2
    MADV_UNMERGEABLE = 13
    MADV_WILLNEED = 3
    MAP_ANON = 32
    MAP_ANONYMOUS = 32
    MAP_DENYWRITE = 2048
    MAP_EXECUTABLE = 4096
    MAP_POPULATE = 32768
    MAP_PRIVATE = 2
    MAP_SHARED = 1
    PAGESIZE = 4096
    PROT_EXEC = 4
    PROT_READ = 1
    PROT_WRITE = 2

FILE
    /usr/lib/python3.10/lib-dynload/mmap.cpython-310-x86_64-linux-gnu.so