Method writestr

Lib/zipfile/__init__.py:1989–2020

Write a file into the archive. The contents is 'data', which may be either a 'str' or a 'bytes' instance; if it is a 'str', it is encoded as UTF-8 first. 'zinfo_or_arcname' is either a ZipInfo instance or the name of the file in the archive.

(self, zinfo_or_arcname, data,
                 compress_type=None, compresslevel=None)

                shutil.copyfileobj(src, dest, 1024*8)

    def writestr(self, zinfo_or_arcname, data,
                 compress_type=None, compresslevel=None):
        """Write a file into the archive.  The contents is 'data', which
        may be either a 'str' or a 'bytes' instance; if it is a 'str',
        it is encoded as UTF-8 first.
        'zinfo_or_arcname' is either a ZipInfo instance or
        the name of the file in the archive."""
        if isinstance(data, str):
            data = data.encode("utf-8")
        if isinstance(zinfo_or_arcname, ZipInfo):
            zinfo = zinfo_or_arcname
        else:
            zinfo = ZipInfo(zinfo_or_arcname)._for_archive(self)

        if not self.fp:
            raise ValueError(
                "Attempt to write to ZIP archive that was already closed")
        if self._writing:
            raise ValueError(
                "Can't write to ZIP archive while an open writing handle exists."
            )

        if compress_type is not None:
            zinfo.compress_type = compress_type

        if compresslevel is not None:
            zinfo.compress_level = compresslevel

        zinfo.file_size = len(data)            # Uncompressed size
        with self._lock:
            with self.open(zinfo, mode='w') as dest:
                dest.write(data)

    def mkdir(self, zinfo_or_directory_name, mode=511):
        """Creates a directory inside the zip archive."""