Python code coverage for Lib/plat-irix5/torgb.py

#	count	content
1	n/a	# Convert "arbitrary" image files to rgb files (SGI's image format).
2	n/a	# Input may be compressed.
3	n/a	# The uncompressed file type may be PBM, PGM, PPM, GIF, TIFF, or Sun raster.
4	n/a	# An exception is raised if the file is not of a recognized type.
5	n/a	# Returned filename is either the input filename or a temporary filename;
6	n/a	# in the latter case the caller must ensure that it is removed.
7	n/a	# Other temporary files used are removed by the function.
8	n/a	from warnings import warnpy3k
9	n/a	warnpy3k("the torgb module has been removed in Python 3.0", stacklevel=2)
10	n/a	del warnpy3k
11	n/a
12	n/a	import os
13	n/a	import tempfile
14	n/a	import pipes
15	n/a	import imghdr
16	n/a
17	n/a	table = {}
18	n/a
19	n/a	t = pipes.Template()
20	n/a	t.append('fromppm $IN $OUT', 'ff')
21	n/a	table['ppm'] = t
22	n/a
23	n/a	t = pipes.Template()
24	n/a	t.append('(PATH=$PATH:/ufs/guido/bin/sgi; exec pnmtoppm)', '--')
25	n/a	t.append('fromppm $IN $OUT', 'ff')
26	n/a	table['pnm'] = t
27	n/a	table['pgm'] = t
28	n/a	table['pbm'] = t
29	n/a
30	n/a	t = pipes.Template()
31	n/a	t.append('fromgif $IN $OUT', 'ff')
32	n/a	table['gif'] = t
33	n/a
34	n/a	t = pipes.Template()
35	n/a	t.append('tifftopnm', '--')
36	n/a	t.append('(PATH=$PATH:/ufs/guido/bin/sgi; exec pnmtoppm)', '--')
37	n/a	t.append('fromppm $IN $OUT', 'ff')
38	n/a	table['tiff'] = t
39	n/a
40	n/a	t = pipes.Template()
41	n/a	t.append('rasttopnm', '--')
42	n/a	t.append('(PATH=$PATH:/ufs/guido/bin/sgi; exec pnmtoppm)', '--')
43	n/a	t.append('fromppm $IN $OUT', 'ff')
44	n/a	table['rast'] = t
45	n/a
46	n/a	t = pipes.Template()
47	n/a	t.append('djpeg', '--')
48	n/a	t.append('(PATH=$PATH:/ufs/guido/bin/sgi; exec pnmtoppm)', '--')
49	n/a	t.append('fromppm $IN $OUT', 'ff')
50	n/a	table['jpeg'] = t
51	n/a
52	n/a	uncompress = pipes.Template()
53	n/a	uncompress.append('uncompress', '--')
54	n/a
55	n/a
56	n/a	class error(Exception):
57	n/a	pass
58	n/a
59	n/a	def torgb(filename):
60	n/a	temps = []
61	n/a	ret = None
62	n/a	try:
63	n/a	ret = _torgb(filename, temps)
64	n/a	finally:
65	n/a	for temp in temps[:]:
66	n/a	if temp != ret:
67	n/a	try:
68	n/a	os.unlink(temp)
69	n/a	except os.error:
70	n/a	pass
71	n/a	temps.remove(temp)
72	n/a	return ret
73	n/a
74	n/a	def _torgb(filename, temps):
75	n/a	if filename[-2:] == '.Z':
76	n/a	(fd, fname) = tempfile.mkstemp()
77	n/a	os.close(fd)
78	n/a	temps.append(fname)
79	n/a	sts = uncompress.copy(filename, fname)
80	n/a	if sts:
81	n/a	raise error, filename + ': uncompress failed'
82	n/a	else:
83	n/a	fname = filename
84	n/a	try:
85	n/a	ftype = imghdr.what(fname)
86	n/a	except IOError, msg:
87	n/a	if type(msg) == type(()) and len(msg) == 2 and \
88	n/a	type(msg[0]) == type(0) and type(msg[1]) == type(''):
89	n/a	msg = msg[1]
90	n/a	if type(msg) is not type(''):
91	n/a	msg = repr(msg)
92	n/a	raise error, filename + ': ' + msg
93	n/a	if ftype == 'rgb':
94	n/a	return fname
95	n/a	if ftype is None or not table.has_key(ftype):
96	n/a	raise error, '%s: unsupported image file type %r' % (filename, ftype)
97	n/a	(fd, temp) = tempfile.mkstemp()
98	n/a	os.close(fd)
99	n/a	sts = table[ftype].copy(fname, temp)
100	n/a	if sts:
101	n/a	raise error, filename + ': conversion to rgb failed'
102	n/a	return temp