Gecko [ theprintave.ca ]

Name	Size	Permission	Date
__phello__	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
__pycache__	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
asyncio	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
collections	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
concurrent	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
ctypes	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
curses	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
dbm	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
email	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
encodings	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
html	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
http	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
importlib	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
json	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
lib-dynload	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
logging	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
multiprocessing	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
pydoc_data	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
re	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
sqlite3	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
test	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
tomllib	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
unittest	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
urllib	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
venv	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
wsgiref	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
xml	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
xmlrpc	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
zipfile	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
zoneinfo	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
EXTERNALLY-MANAGED	645 B	-rw-r--r--	2024-11-06 18:32
LICENSE.txt	13.61 KB	-rw-r--r--	2024-11-06 18:32
__future__.py	5.1 KB	-rw-r--r--	2024-11-06 18:32
__hello__.py	227 B	-rw-r--r--	2024-11-06 18:32
_aix_support.py	3.93 KB	-rw-r--r--	2024-11-06 18:32
_collections_abc.py	31.33 KB	-rw-r--r--	2024-11-06 18:32
_compat_pickle.py	8.56 KB	-rw-r--r--	2024-11-06 18:32
_compression.py	5.55 KB	-rw-r--r--	2024-11-06 18:32
_distutils_system_mod.py	5.58 KB	-rw-r--r--	2024-11-06 18:32
_markupbase.py	14.31 KB	-rw-r--r--	2024-11-06 18:32
_osx_support.py	21.51 KB	-rw-r--r--	2024-11-06 18:32
_py_abc.py	6.04 KB	-rw-r--r--	2024-11-06 18:32
_pydatetime.py	89.94 KB	-rw-r--r--	2024-11-06 18:32
_pydecimal.py	223.85 KB	-rw-r--r--	2024-11-06 18:32
_pyio.py	91.4 KB	-rw-r--r--	2024-11-06 18:32
_pylong.py	8.83 KB	-rw-r--r--	2024-11-06 18:32
_sitebuiltins.py	3.05 KB	-rw-r--r--	2024-11-06 18:32
_strptime.py	24.04 KB	-rw-r--r--	2024-11-06 18:32
_sysconfigdata__linux_x86_64-linux-gnu.py	48.34 KB	-rw-r--r--	2024-11-06 18:32
_sysconfigdata__x86_64-linux-gnu.py	48.34 KB	-rw-r--r--	2024-11-06 18:32
_threading_local.py	7.05 KB	-rw-r--r--	2024-11-06 18:32
_weakrefset.py	5.75 KB	-rw-r--r--	2024-11-06 18:32
abc.py	6.38 KB	-rw-r--r--	2024-11-06 18:32
aifc.py	33.41 KB	-rw-r--r--	2024-11-06 18:32
antigravity.py	500 B	-rw-r--r--	2024-11-06 18:32
argparse.py	99.37 KB	-rw-r--r--	2024-11-06 18:32
ast.py	62.75 KB	-rw-r--r--	2024-11-06 18:32
base64.py	20.12 KB	-rwxr-xr-x	2024-11-06 18:32
bdb.py	31.7 KB	-rw-r--r--	2024-11-06 18:32
bisect.py	3.34 KB	-rw-r--r--	2024-11-06 18:32
bz2.py	11.57 KB	-rw-r--r--	2024-11-06 18:32
cProfile.py	6.4 KB	-rwxr-xr-x	2024-11-06 18:32
calendar.py	24.82 KB	-rw-r--r--	2024-11-06 18:32
cgi.py	33.61 KB	-rwxr-xr-x	2024-11-06 18:32
cgitb.py	12.13 KB	-rw-r--r--	2024-11-06 18:32
chunk.py	5.37 KB	-rw-r--r--	2024-11-06 18:32
cmd.py	14.52 KB	-rw-r--r--	2024-11-06 18:32
code.py	10.44 KB	-rw-r--r--	2024-11-06 18:32
codecs.py	36.01 KB	-rw-r--r--	2024-11-06 18:32
codeop.py	5.77 KB	-rw-r--r--	2024-11-06 18:32
colorsys.py	3.97 KB	-rw-r--r--	2024-11-06 18:32
compileall.py	20.12 KB	-rw-r--r--	2024-11-06 18:32
configparser.py	52.53 KB	-rw-r--r--	2024-11-06 18:32
contextlib.py	26.99 KB	-rw-r--r--	2024-11-06 18:32
contextvars.py	129 B	-rw-r--r--	2024-11-06 18:32
copy.py	8.21 KB	-rw-r--r--	2024-11-06 18:32
copyreg.py	7.44 KB	-rw-r--r--	2024-11-06 18:32
crypt.py	3.82 KB	-rw-r--r--	2024-11-06 18:32
csv.py	16 KB	-rw-r--r--	2024-11-06 18:32
dataclasses.py	60.31 KB	-rw-r--r--	2024-11-06 18:32
datetime.py	268 B	-rw-r--r--	2024-11-06 18:32
decimal.py	320 B	-rw-r--r--	2024-11-06 18:32
difflib.py	81.36 KB	-rw-r--r--	2024-11-06 18:32
dis.py	29.5 KB	-rw-r--r--	2024-11-06 18:32
doctest.py	103.98 KB	-rw-r--r--	2024-11-06 18:32
enum.py	79.72 KB	-rw-r--r--	2024-11-06 18:32
filecmp.py	9.95 KB	-rw-r--r--	2024-11-06 18:32
fileinput.py	15.35 KB	-rw-r--r--	2024-11-06 18:32
fnmatch.py	5.86 KB	-rw-r--r--	2024-11-06 18:32
fractions.py	37.17 KB	-rw-r--r--	2024-11-06 18:32
ftplib.py	33.92 KB	-rw-r--r--	2024-11-06 18:32
functools.py	37.23 KB	-rw-r--r--	2024-11-06 18:32
genericpath.py	5.18 KB	-rw-r--r--	2024-11-06 18:32
getopt.py	7.31 KB	-rw-r--r--	2024-11-06 18:32
getpass.py	5.85 KB	-rw-r--r--	2024-11-06 18:32
gettext.py	21.24 KB	-rw-r--r--	2024-11-06 18:32
glob.py	8.53 KB	-rw-r--r--	2024-11-06 18:32
graphlib.py	9.43 KB	-rw-r--r--	2024-11-06 18:32
gzip.py	24.28 KB	-rw-r--r--	2024-11-06 18:32
hashlib.py	9.13 KB	-rw-r--r--	2024-11-06 18:32
heapq.py	22.48 KB	-rw-r--r--	2024-11-06 18:32
hmac.py	7.54 KB	-rw-r--r--	2024-11-06 18:32
imaplib.py	52.43 KB	-rw-r--r--	2024-11-06 18:32
imghdr.py	4.29 KB	-rw-r--r--	2024-11-06 18:32
inspect.py	122.48 KB	-rw-r--r--	2024-11-06 18:32
io.py	3.5 KB	-rw-r--r--	2024-11-06 18:32
ipaddress.py	76.46 KB	-rw-r--r--	2024-11-06 18:32
keyword.py	1.05 KB	-rw-r--r--	2024-11-06 18:32
linecache.py	5.52 KB	-rw-r--r--	2024-11-06 18:32
locale.py	76.72 KB	-rw-r--r--	2024-11-06 18:32
lzma.py	12.97 KB	-rw-r--r--	2024-11-06 18:32
mailbox.py	77.06 KB	-rw-r--r--	2024-11-06 18:32
mailcap.py	9.11 KB	-rw-r--r--	2024-11-06 18:32
mimetypes.py	22.35 KB	-rw-r--r--	2024-11-06 18:32
modulefinder.py	23.14 KB	-rw-r--r--	2024-11-06 18:32
netrc.py	6.76 KB	-rw-r--r--	2024-11-06 18:32
nntplib.py	40.12 KB	-rw-r--r--	2024-11-06 18:32
ntpath.py	30.75 KB	-rw-r--r--	2024-11-06 18:32
nturl2path.py	2.82 KB	-rw-r--r--	2024-11-06 18:32
numbers.py	11.2 KB	-rw-r--r--	2024-11-06 18:32
opcode.py	12.87 KB	-rw-r--r--	2024-11-06 18:32
operator.py	10.71 KB	-rw-r--r--	2024-11-06 18:32
optparse.py	58.95 KB	-rw-r--r--	2024-11-06 18:32
os.py	38.85 KB	-rw-r--r--	2024-11-06 18:32
pathlib.py	49.95 KB	-rw-r--r--	2024-11-06 18:32
pdb.py	67.83 KB	-rwxr-xr-x	2024-11-06 18:32
pickle.py	63.38 KB	-rw-r--r--	2024-11-06 18:32
pickletools.py	91.66 KB	-rw-r--r--	2024-11-06 18:32
pipes.py	8.77 KB	-rw-r--r--	2024-11-06 18:32
pkgutil.py	17.85 KB	-rw-r--r--	2024-11-06 18:32
platform.py	42.32 KB	-rwxr-xr-x	2024-11-06 18:32
plistlib.py	27.68 KB	-rw-r--r--	2024-11-06 18:32
poplib.py	13.83 KB	-rw-r--r--	2024-11-06 18:32
posixpath.py	17.15 KB	-rw-r--r--	2024-11-06 18:32
pprint.py	23.59 KB	-rw-r--r--	2024-11-06 18:32
profile.py	22.55 KB	-rwxr-xr-x	2024-11-06 18:32
pstats.py	28.6 KB	-rw-r--r--	2024-11-06 18:32
pty.py	5.99 KB	-rw-r--r--	2024-11-06 18:32
py_compile.py	7.69 KB	-rw-r--r--	2024-11-06 18:32
pyclbr.py	11.13 KB	-rw-r--r--	2024-11-06 18:32
pydoc.py	110.44 KB	-rwxr-xr-x	2024-11-06 18:32
queue.py	11.23 KB	-rw-r--r--	2024-11-06 18:32
quopri.py	7.01 KB	-rwxr-xr-x	2024-11-06 18:32
random.py	33.87 KB	-rw-r--r--	2024-11-06 18:32
reprlib.py	6.42 KB	-rw-r--r--	2024-11-06 18:32
rlcompleter.py	7.64 KB	-rw-r--r--	2024-11-06 18:32
runpy.py	12.6 KB	-rw-r--r--	2024-11-06 18:32
sched.py	6.2 KB	-rw-r--r--	2024-11-06 18:32
secrets.py	1.94 KB	-rw-r--r--	2024-11-06 18:32
selectors.py	19.21 KB	-rw-r--r--	2024-11-06 18:32
shelve.py	8.36 KB	-rw-r--r--	2024-11-06 18:32
shlex.py	13.04 KB	-rw-r--r--	2024-11-06 18:32
shutil.py	56.76 KB	-rw-r--r--	2024-11-06 18:32
signal.py	2.44 KB	-rw-r--r--	2024-11-06 18:32
site.py	23.34 KB	-rw-r--r--	2024-11-06 18:32
smtplib.py	42.51 KB	-rwxr-xr-x	2024-11-06 18:32
sndhdr.py	7.27 KB	-rw-r--r--	2024-11-06 18:32
socket.py	36.53 KB	-rw-r--r--	2024-11-06 18:32
socketserver.py	27.2 KB	-rw-r--r--	2024-11-06 18:32
sre_compile.py	231 B	-rw-r--r--	2024-11-06 18:32
sre_constants.py	232 B	-rw-r--r--	2024-11-06 18:32
sre_parse.py	229 B	-rw-r--r--	2024-11-06 18:32
ssl.py	49.63 KB	-rw-r--r--	2024-11-06 18:32
stat.py	5.36 KB	-rw-r--r--	2024-11-06 18:32
statistics.py	49.05 KB	-rw-r--r--	2024-11-06 18:32
string.py	11.51 KB	-rw-r--r--	2024-11-06 18:32
stringprep.py	12.61 KB	-rw-r--r--	2024-11-06 18:32
struct.py	257 B	-rw-r--r--	2024-11-06 18:32
subprocess.py	86.65 KB	-rw-r--r--	2024-11-06 18:32
sunau.py	18.04 KB	-rw-r--r--	2024-11-06 18:32
symtable.py	10.5 KB	-rw-r--r--	2024-11-06 18:32
sysconfig.py	32 KB	-rw-r--r--	2024-11-06 18:32
tabnanny.py	11.26 KB	-rwxr-xr-x	2024-11-06 18:32
tarfile.py	105.93 KB	-rwxr-xr-x	2024-11-06 18:32
telnetlib.py	22.75 KB	-rw-r--r--	2024-11-06 18:32
tempfile.py	36.46 KB	-rw-r--r--	2024-11-06 18:32
textwrap.py	19.26 KB	-rw-r--r--	2024-11-06 18:32
this.py	1003 B	-rw-r--r--	2024-11-06 18:32
threading.py	58.71 KB	-rw-r--r--	2024-11-06 18:32
timeit.py	13.15 KB	-rwxr-xr-x	2024-11-06 18:32
token.py	2.42 KB	-rw-r--r--	2024-11-06 18:32
tokenize.py	20.72 KB	-rw-r--r--	2024-11-06 18:32
trace.py	28.5 KB	-rwxr-xr-x	2024-11-06 18:32
traceback.py	45.24 KB	-rw-r--r--	2024-11-06 18:32
tracemalloc.py	17.62 KB	-rw-r--r--	2024-11-06 18:32
tty.py	1.99 KB	-rw-r--r--	2024-11-06 18:32
turtle.py	142.93 KB	-rw-r--r--	2024-11-06 18:32
types.py	10.74 KB	-rw-r--r--	2024-11-06 18:32
typing.py	114.68 KB	-rw-r--r--	2024-11-06 18:32
uu.py	7.19 KB	-rwxr-xr-x	2024-11-06 18:32
uuid.py	28.96 KB	-rw-r--r--	2024-11-06 18:32
warnings.py	21.25 KB	-rw-r--r--	2024-11-06 18:32
wave.py	22.24 KB	-rw-r--r--	2024-11-06 18:32
weakref.py	21.01 KB	-rw-r--r--	2024-11-06 18:32
webbrowser.py	23.07 KB	-rwxr-xr-x	2024-11-06 18:32
xdrlib.py	5.8 KB	-rw-r--r--	2024-11-06 18:32
zipapp.py	7.37 KB	-rw-r--r--	2024-11-06 18:32
zipimport.py	27.47 KB	-rw-r--r--	2024-11-06 18:32

Rename

"""Recognize image file formats based on their first few bytes."""

from os import PathLike
import warnings

__all__ = ["what"]

warnings._deprecated(__name__, remove=(3, 13))

#-------------------------#
# Recognize image headers #
#-------------------------#

def what(file, h=None):
    """Return the type of image contained in a file or byte stream."""
    f = None
    try:
        if h is None:
            if isinstance(file, (str, PathLike)):
                f = open(file, 'rb')
                h = f.read(32)
            else:
                location = file.tell()
                h = file.read(32)
                file.seek(location)
        for tf in tests:
            res = tf(h, f)
            if res:
                return res
    finally:
        if f: f.close()
    return None

#---------------------------------#
# Subroutines per image file type #
#---------------------------------#

tests = []

def test_jpeg(h, f):
    """Test for JPEG data with JFIF or Exif markers; and raw JPEG."""
    if h[6:10] in (b'JFIF', b'Exif'):
        return 'jpeg'
    elif h[:4] == b'\xff\xd8\xff\xdb':
        return 'jpeg'

tests.append(test_jpeg)

def test_png(h, f):
    """Verify if the image is a PNG."""
    if h.startswith(b'\211PNG\r\n\032\n'):
        return 'png'

tests.append(test_png)

def test_gif(h, f):
    """Verify if the image is a GIF ('87 or '89 variants)."""
    if h[:6] in (b'GIF87a', b'GIF89a'):
        return 'gif'

tests.append(test_gif)

def test_tiff(h, f):
    """Verify if the image is a TIFF (can be in Motorola or Intel byte order)."""
    if h[:2] in (b'MM', b'II'):
        return 'tiff'

tests.append(test_tiff)

def test_rgb(h, f):
    """test for the SGI image library."""
    if h.startswith(b'\001\332'):
        return 'rgb'

tests.append(test_rgb)

def test_pbm(h, f):
    """Verify if the image is a PBM (portable bitmap)."""
    if len(h) >= 3 and \
        h[0] == ord(b'P') and h[1] in b'14' and h[2] in b' \t\n\r':
        return 'pbm'

tests.append(test_pbm)

def test_pgm(h, f):
    """Verify if the image is a PGM (portable graymap)."""
    if len(h) >= 3 and \
        h[0] == ord(b'P') and h[1] in b'25' and h[2] in b' \t\n\r':
        return 'pgm'

tests.append(test_pgm)

def test_ppm(h, f):
    """Verify if the image is a PPM (portable pixmap)."""
    if len(h) >= 3 and \
        h[0] == ord(b'P') and h[1] in b'36' and h[2] in b' \t\n\r':
        return 'ppm'

tests.append(test_ppm)

def test_rast(h, f):
    """test for the Sun raster file."""
    if h.startswith(b'\x59\xA6\x6A\x95'):
        return 'rast'

tests.append(test_rast)

def test_xbm(h, f):
    """Verify if the image is a X bitmap (X10 or X11)."""
    if h.startswith(b'#define '):
        return 'xbm'

tests.append(test_xbm)

def test_bmp(h, f):
    """Verify if the image is a BMP file."""
    if h.startswith(b'BM'):
        return 'bmp'

tests.append(test_bmp)

def test_webp(h, f):
    """Verify if the image is a WebP."""
    if h.startswith(b'RIFF') and h[8:12] == b'WEBP':
        return 'webp'

tests.append(test_webp)

def test_exr(h, f):
    """verify is the image ia a OpenEXR fileOpenEXR."""
    if h.startswith(b'\x76\x2f\x31\x01'):
        return 'exr'

tests.append(test_exr)

#--------------------#
# Small test program #
#--------------------#

def test():
    import sys
    recursive = 0
    if sys.argv[1:] and sys.argv[1] == '-r':
        del sys.argv[1:2]
        recursive = 1
    try:
        if sys.argv[1:]:
            testall(sys.argv[1:], recursive, 1)
        else:
            testall(['.'], recursive, 1)
    except KeyboardInterrupt:
        sys.stderr.write('\n[Interrupted]\n')
        sys.exit(1)

def testall(list, recursive, toplevel):
    import sys
    import os
    for filename in list:
        if os.path.isdir(filename):
            print(filename + '/:', end=' ')
            if recursive or toplevel:
                print('recursing down:')
                import glob
                names = glob.glob(os.path.join(glob.escape(filename), '*'))
                testall(names, recursive, 0)
            else:
                print('*** directory (use -r) ***')
        else:
            print(filename + ':', end=' ')
            sys.stdout.flush()
            try:
                print(what(filename))
            except OSError:
                print('*** not found ***')

if __name__ == '__main__':
    test()