edk2: Remove AppPkg, StdLib, StdLibPrivateInternalFiles

[mirror_edk2.git] / AppPkg / Applications / Python / Python-2.7.2 / Demo / zlib / minigzip.py

diff --git a/AppPkg/Applications/Python/Python-2.7.2/Demo/zlib/minigzip.py b/AppPkg/Applications/Python/Python-2.7.2/Demo/zlib/minigzip.py
deleted file mode 100644 (file)
index 9b08b53..0000000
--- a/AppPkg/Applications/Python/Python-2.7.2/Demo/zlib/minigzip.py
+++ /dev/null
@@ -1,133 +0,0 @@
-#!/usr/bin/env python\r
-# Demo program for zlib; it compresses or decompresses files, but *doesn't*\r
-# delete the original.  This doesn't support all of gzip's options.\r
-#\r
-# The 'gzip' module in the standard library provides a more complete\r
-# implementation of gzip-format files.\r
-\r
-import zlib, sys, os\r
-\r
-FTEXT, FHCRC, FEXTRA, FNAME, FCOMMENT = 1, 2, 4, 8, 16\r
-\r
-def write32(output, value):\r
-    output.write(chr(value & 255)) ; value=value // 256\r
-    output.write(chr(value & 255)) ; value=value // 256\r
-    output.write(chr(value & 255)) ; value=value // 256\r
-    output.write(chr(value & 255))\r
-\r
-def read32(input):\r
-    v = ord(input.read(1))\r
-    v += (ord(input.read(1)) << 8 )\r
-    v += (ord(input.read(1)) << 16)\r
-    v += (ord(input.read(1)) << 24)\r
-    return v\r
-\r
-def compress (filename, input, output):\r
-    output.write('\037\213\010')        # Write the header, ...\r
-    output.write(chr(FNAME))            # ... flag byte ...\r
-\r
-    statval = os.stat(filename)           # ... modification time ...\r
-    mtime = statval[8]\r
-    write32(output, mtime)\r
-    output.write('\002')                # ... slowest compression alg. ...\r
-    output.write('\377')                # ... OS (=unknown) ...\r
-    output.write(filename+'\000')       # ... original filename ...\r
-\r
-    crcval = zlib.crc32("")\r
-    compobj = zlib.compressobj(9, zlib.DEFLATED, -zlib.MAX_WBITS,\r
-                             zlib.DEF_MEM_LEVEL, 0)\r
-    while True:\r
-        data = input.read(1024)\r
-        if data == "":\r
-            break\r
-        crcval = zlib.crc32(data, crcval)\r
-        output.write(compobj.compress(data))\r
-    output.write(compobj.flush())\r
-    write32(output, crcval)             # ... the CRC ...\r
-    write32(output, statval[6])         # and the file size.\r
-\r
-def decompress (input, output):\r
-    magic = input.read(2)\r
-    if magic != '\037\213':\r
-        print 'Not a gzipped file'\r
-        sys.exit(0)\r
-    if ord(input.read(1)) != 8:\r
-        print 'Unknown compression method'\r
-        sys.exit(0)\r
-    flag = ord(input.read(1))\r
-    input.read(4+1+1)                   # Discard modification time,\r
-                                        # extra flags, and OS byte.\r
-    if flag & FEXTRA:\r
-        # Read & discard the extra field, if present\r
-        xlen = ord(input.read(1))\r
-        xlen += 256*ord(input.read(1))\r
-        input.read(xlen)\r
-    if flag & FNAME:\r
-        # Read and discard a null-terminated string containing the filename\r
-        while True:\r
-            s = input.read(1)\r
-            if s == '\0': break\r
-    if flag & FCOMMENT:\r
-        # Read and discard a null-terminated string containing a comment\r
-        while True:\r
-            s=input.read(1)\r
-            if s=='\0': break\r
-    if flag & FHCRC:\r
-        input.read(2)                   # Read & discard the 16-bit header CRC\r
-\r
-    decompobj = zlib.decompressobj(-zlib.MAX_WBITS)\r
-    crcval = zlib.crc32("")\r
-    length = 0\r
-    while True:\r
-        data=input.read(1024)\r
-        if data == "":\r
-            break\r
-        decompdata = decompobj.decompress(data)\r
-        output.write(decompdata)\r
-        length += len(decompdata)\r
-        crcval = zlib.crc32(decompdata, crcval)\r
-\r
-    decompdata = decompobj.flush()\r
-    output.write(decompdata)\r
-    length += len(decompdata)\r
-    crcval = zlib.crc32(decompdata, crcval)\r
-\r
-    # We've read to the end of the file, so we have to rewind in order\r
-    # to reread the 8 bytes containing the CRC and the file size.  The\r
-    # decompressor is smart and knows when to stop, so feeding it\r
-    # extra data is harmless.\r
-    input.seek(-8, 2)\r
-    crc32 = read32(input)\r
-    isize = read32(input)\r
-    if crc32 != crcval:\r
-        print 'CRC check failed.'\r
-    if isize != length:\r
-        print 'Incorrect length of data produced'\r
-\r
-def main():\r
-    if len(sys.argv)!=2:\r
-        print 'Usage: minigzip.py <filename>'\r
-        print '  The file will be compressed or decompressed.'\r
-        sys.exit(0)\r
-\r
-    filename = sys.argv[1]\r
-    if filename.endswith('.gz'):\r
-        compressing = False\r
-        outputname = filename[:-3]\r
-    else:\r
-        compressing = True\r
-        outputname = filename + '.gz'\r
-\r
-    input = open(filename, 'rb')\r
-    output = open(outputname, 'wb')\r
-\r
-    if compressing:\r
-        compress(filename, input, output)\r
-    else:\r
-        decompress(input, output)\r
-\r
-    input.close()\r
-    output.close()\r
-\r
-if __name__ == '__main__':\r
-    main()\r