1 2#------------------------------------------------------------------------------ 3# $File: python,v 1.47 2024/08/27 18:50:57 christos Exp $ 4# python: file(1) magic for python 5# 6# Outlook puts """ too for urgent messages 7# From: David Necas <yeti@physics.muni.cz> 8# often the module starts with a multiline string 90 string/t """ Python script text executable 10# MAGIC as specified in Python/import.c (1.0 to 3.7) 11# and in Lib/importlib/_bootstrap_external.py (3.5+) 12# two bytes of magic followed by "\r\n" in little endian order 130 belong 0x02099900 python 1.0 byte-compiled 14!:mime application/x-bytecode.python 150 belong 0x03099900 python 1.1/1.2 byte-compiled 16!:mime application/x-bytecode.python 170 belong 0x892e0d0a python 1.3 byte-compiled 18!:mime application/x-bytecode.python 190 belong 0x04170d0a python 1.4 byte-compiled 20!:mime application/x-bytecode.python 210 belong 0x994e0d0a python 1.5 byte-compiled 22!:mime application/x-bytecode.python 230 belong 0xfcc40d0a python 1.6 byte-compiled 24!:mime application/x-bytecode.python 250 belong 0xfdc40d0a python 1.6 byte-compiled 26!:mime application/x-bytecode.python 270 belong 0x87c60d0a python 2.0 byte-compiled 28!:mime application/x-bytecode.python 290 belong 0x88c60d0a python 2.0 byte-compiled 30!:mime application/x-bytecode.python 310 belong 0x2aeb0d0a python 2.1 byte-compiled 32!:mime application/x-bytecode.python 330 belong 0x2beb0d0a python 2.1 byte-compiled 34!:mime application/x-bytecode.python 350 belong 0x2ded0d0a python 2.2 byte-compiled 36!:mime application/x-bytecode.python 370 belong 0x2eed0d0a python 2.2 byte-compiled 38!:mime application/x-bytecode.python 390 belong 0x3bf20d0a python 2.3 byte-compiled 40!:mime application/x-bytecode.python 410 belong 0x3cf20d0a python 2.3 byte-compiled 42!:mime application/x-bytecode.python 430 belong 0x45f20d0a python 2.3 byte-compiled 44!:mime application/x-bytecode.python 450 belong 0x59f20d0a python 2.4 byte-compiled 46!:mime application/x-bytecode.python 470 belong 0x63f20d0a python 2.4 byte-compiled 48!:mime application/x-bytecode.python 490 belong 0x6df20d0a python 2.4 byte-compiled 50!:mime application/x-bytecode.python 510 belong 0x6ef20d0a python 2.4 byte-compiled 52!:mime application/x-bytecode.python 530 belong 0x77f20d0a python 2.5 byte-compiled 54!:mime application/x-bytecode.python 550 belong 0x81f20d0a python 2.5 byte-compiled 56!:mime application/x-bytecode.python 570 belong 0x8bf20d0a python 2.5 byte-compiled 58!:mime application/x-bytecode.python 590 belong 0x8cf20d0a python 2.5 byte-compiled 60!:mime application/x-bytecode.python 610 belong 0x95f20d0a python 2.5 byte-compiled 62!:mime application/x-bytecode.python 630 belong 0x9ff20d0a python 2.5 byte-compiled 64!:mime application/x-bytecode.python 650 belong 0xa9f20d0a python 2.5 byte-compiled 66!:mime application/x-bytecode.python 670 belong 0xb3f20d0a python 2.5 byte-compiled 68!:mime application/x-bytecode.python 690 belong 0xb4f20d0a python 2.5 byte-compiled 70!:mime application/x-bytecode.python 710 belong 0xc7f20d0a python 2.6 byte-compiled 72!:mime application/x-bytecode.python 730 belong 0xd1f20d0a python 2.6 byte-compiled 74!:mime application/x-bytecode.python 750 belong 0xd2f20d0a python 2.6 byte-compiled 76!:mime application/x-bytecode.python 770 belong 0xdbf20d0a python 2.7 byte-compiled 78!:mime application/x-bytecode.python 790 belong 0xe5f20d0a python 2.7 byte-compiled 80!:mime application/x-bytecode.python 810 belong 0xeff20d0a python 2.7 byte-compiled 82!:mime application/x-bytecode.python 830 belong 0xf9f20d0a python 2.7 byte-compiled 84!:mime application/x-bytecode.python 850 belong 0x03f30d0a python 2.7 byte-compiled 86!:mime application/x-bytecode.python 870 belong 0x04f30d0a python 2.7 byte-compiled 88!:mime application/x-bytecode.python 890 belong 0x0af30d0a PyPy2.7 byte-compiled 90!:mime application/x-bytecode.python 910 belong 0xb80b0d0a python 3.0 byte-compiled 92!:mime application/x-bytecode.python 930 belong 0xc20b0d0a python 3.0 byte-compiled 94!:mime application/x-bytecode.python 950 belong 0xcc0b0d0a python 3.0 byte-compiled 96!:mime application/x-bytecode.python 970 belong 0xd60b0d0a python 3.0 byte-compiled 98!:mime application/x-bytecode.python 990 belong 0xe00b0d0a python 3.0 byte-compiled 100!:mime application/x-bytecode.python 1010 belong 0xea0b0d0a python 3.0 byte-compiled 102!:mime application/x-bytecode.python 1030 belong 0xf40b0d0a python 3.0 byte-compiled 104!:mime application/x-bytecode.python 1050 belong 0xf50b0d0a python 3.0 byte-compiled 106!:mime application/x-bytecode.python 1070 belong 0xff0b0d0a python 3.0 byte-compiled 108!:mime application/x-bytecode.python 1090 belong 0x090c0d0a python 3.0 byte-compiled 110!:mime application/x-bytecode.python 1110 belong 0x130c0d0a python 3.0 byte-compiled 112!:mime application/x-bytecode.python 1130 belong 0x1d0c0d0a python 3.0 byte-compiled 114!:mime application/x-bytecode.python 1150 belong 0x1f0c0d0a python 3.0 byte-compiled 116!:mime application/x-bytecode.python 1170 belong 0x270c0d0a python 3.0 byte-compiled 118!:mime application/x-bytecode.python 1190 belong 0x3b0c0d0a python 3.0 byte-compiled 120!:mime application/x-bytecode.python 1210 belong 0x450c0d0a python 3.1 byte-compiled 122!:mime application/x-bytecode.python 1230 belong 0x4f0c0d0a python 3.1 byte-compiled 124!:mime application/x-bytecode.python 1250 belong 0x580c0d0a python 3.2 byte-compiled 126!:mime application/x-bytecode.python 1270 belong 0x620c0d0a python 3.2 byte-compiled 128!:mime application/x-bytecode.python 1290 belong 0x6c0c0d0a python 3.2 byte-compiled 130!:mime application/x-bytecode.python 1310 belong 0x760c0d0a python 3.3 byte-compiled 132!:mime application/x-bytecode.python 1330 belong 0x800c0d0a python 3.3 byte-compiled 134!:mime application/x-bytecode.python 1350 belong 0x8a0c0d0a python 3.3 byte-compiled 136!:mime application/x-bytecode.python 1370 belong 0x940c0d0a python 3.3 byte-compiled 138!:mime application/x-bytecode.python 1390 belong 0x9e0c0d0a python 3.3 byte-compiled 140!:mime application/x-bytecode.python 1410 belong 0xb20c0d0a python 3.4 byte-compiled 142!:mime application/x-bytecode.python 1430 belong 0xbc0c0d0a python 3.4 byte-compiled 144!:mime application/x-bytecode.python 1450 belong 0xc60c0d0a python 3.4 byte-compiled 146!:mime application/x-bytecode.python 1470 belong 0xd00c0d0a python 3.4 byte-compiled 148!:mime application/x-bytecode.python 1490 belong 0xda0c0d0a python 3.4 byte-compiled 150!:mime application/x-bytecode.python 1510 belong 0xe40c0d0a python 3.4 byte-compiled 152!:mime application/x-bytecode.python 1530 belong 0xee0c0d0a python 3.4 byte-compiled 154!:mime application/x-bytecode.python 1550 belong 0xf80c0d0a python 3.5.1- byte-compiled 156!:mime application/x-bytecode.python 1570 belong 0x020d0d0a python 3.5.1- byte-compiled 158!:mime application/x-bytecode.python 1590 belong 0x0c0d0d0a python 3.5.1- byte-compiled 160!:mime application/x-bytecode.python 1610 belong 0x160d0d0a python 3.5.1- byte-compiled 162!:mime application/x-bytecode.python 1630 belong 0x170d0d0a python 3.5.2+ byte-compiled 164!:mime application/x-bytecode.python 1650 belong 0x200d0d0a python 3.6 byte-compiled 166!:mime application/x-bytecode.python 1670 belong 0x210d0d0a python 3.6 byte-compiled 168!:mime application/x-bytecode.python 1690 belong 0x2a0d0d0a python 3.6 byte-compiled 170!:mime application/x-bytecode.python 1710 belong 0x2b0d0d0a python 3.6 byte-compiled 172!:mime application/x-bytecode.python 1730 belong 0x2c0d0d0a python 3.6 byte-compiled 174!:mime application/x-bytecode.python 1750 belong 0x2d0d0d0a python 3.6 byte-compiled 176!:mime application/x-bytecode.python 1770 belong 0x2f0d0d0a python 3.6 byte-compiled 178!:mime application/x-bytecode.python 1790 belong 0x300d0d0a python 3.6 byte-compiled 180!:mime application/x-bytecode.python 1810 belong 0x310d0d0a python 3.6 byte-compiled 182!:mime application/x-bytecode.python 1830 belong 0x320d0d0a python 3.6 byte-compiled 184!:mime application/x-bytecode.python 1850 belong 0x330d0d0a python 3.6 byte-compiled 186!:mime application/x-bytecode.python 1870 belong 0x3e0d0d0a python 3.7 byte-compiled 188!:mime application/x-bytecode.python 1890 belong 0x3f0d0d0a python 3.7 byte-compiled 190!:mime application/x-bytecode.python 191 192# magic 3392+ implements PEP 552: Deterministic pycs 1930 name pyc-pep552 194>0 uleshort x (magic: %04d), 195# the flag field determines how .pyc validity is checked 196>4 ulelong&1 0 timestamp-based, 197>>8 uledate x .py timestamp: %s UTC, 198>>12 ulelong x .py size: %d bytes 199>4 ulelong&1 !0 hash-based, check-source flag 200>>4 ulelong&2 0 unset, 201>>4 ulelong&2 !0 set, 202>>8 ulequad x hash: 0x%llx 203 204# uleshort magic followed by \x0d\0xa 2052 string \x0d\x0a 206# extra check: only two bits of flag field are currently used 207>4 ulelong <0x4 208# \x0d as part of magic should suffice till Python 3.14 (magic 3600) 209>>1 ubyte 0x0d Byte-compiled Python module for 210!:mime application/x-bytecode.python 211# now look at the magic number to determine the version 212>>>0 uleshort <3400 CPython 3.7 213>>>0 default x 214>>>>0 uleshort <3420 CPython 3.8 215>>>>0 default x 216>>>>>0 uleshort <3430 CPython 3.9 217>>>>>0 default x 218>>>>>>0 uleshort <3450 CPython 3.10 219>>>>>>0 default x 220>>>>>>>0 uleshort <3500 CPython 3.11 221>>>>>>>0 default x 222>>>>>>>>0 uleshort <3550 CPython 3.12 223>>>>>>>>0 default x 224>>>>>>>>>0 uleshort <3600 CPython 3.13 225>>>>>>>>>0 default x CPython 3.14 or newer 226>>>0 use pyc-pep552 227>>0 uleshort 240 Byte-compiled Python module for PyPy3.7 228!:mime application/x-bytecode.python 229>>>0 use pyc-pep552 230>>0 uleshort 256 Byte-compiled Python module for PyPy3.8 231!:mime application/x-bytecode.python 232>>>0 use pyc-pep552 233>>0 uleshort 336 Byte-compiled Python module for PyPy3.9 234!:mime application/x-bytecode.python 235>>>0 use pyc-pep552 236 2370 search/1/w #!\040/usr/bin/python Python script text executable 238!:strength + 15 239!:mime text/x-script.python 2400 search/1/w #!\040/usr/local/bin/python Python script text executable 241!:strength + 15 242!:mime text/x-script.python 2430 search/10/w #!\040/usr/bin/env\040python Python script text executable 244!:strength + 15 245!:mime text/x-script.python 246 247 248# from module.submodule import func1, func2 2490 search/8192 import 250>0 regex \^from[\040\t]+([A-Za-z0-9_]|\\.)+[\040\t]+import.*$ Python script text executable 251!:strength + 15 252!:mime text/x-script.python 253>0 regex \^import\ [_[:alpha:]]+\ as\ [[:alpha:]][[:space:]]*$ Python script text executable 254!:mime text/x-script.python 255 256 257# def __init__ (self, ...): 2580 search/4096 def\ __init__ 259>&0 search/64 self Python script text executable 260!:strength + 15 261!:mime text/x-script.python 262 263# if __name__ == "__main__": 2640 search/4096 if\ __name__ 265>&0 search/64 '__main__' Python script text executable 266>&0 search/64 "__main__" Python script text executable 267!:strength + 15 268!:mime text/x-script.python 269 270# comments 271#0 search/4096 ''' 272#>&0 regex .*'''$ Python script text executable 273#!:mime text/x-script.python 274 275#0 search/4096 """ 276#>&0 regex .*"""$ Python script text executable 277#!:mime text/x-script.python 278 279# try: 280# except: or finally: 281# block 2820 search/4096 try: 283>&0 regex \^[[:space:]]*except.*:$ Python script text executable 284!:strength + 15 285!:mime text/x-script.python 286>&0 search/4096 finally: Python script text executable 287!:mime text/x-script.python 288 289# class name[(base classes,)]: [pass] 2900 search/8192 class 291>0 regex \^class\ [_[:alpha:]]+(\\(.*\\))?(\ )*:([\ \t]+pass)?$ Python script text executable 292!:strength + 15 293!:mime text/x-script.python 294 295# def name(*args, **kwargs): 2960 search/8192 def\ 297>0 regex \^[[:space:]]{0,50}def\ {1,50}[_a-zA-Z]{1,100} 298>>&0 regex \\(([[:alpha:]*_,\ ]){0,255}\\):$ Python script text executable 299!:strength + 15 300!:mime text/x-script.python 301 302# https://numpy.org/devdocs/reference/generated/numpy.lib.format.html 3030 string \223NUMPY NumPy data file 304!:mime application/x-numpy-data 305>6 byte x \b, version %d 306>7 byte x \b.%d 307#>8 leshort x \b, header length=%d 308>10 string x \b, description %s 309