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1import math
2import os.path
3import sys
4import textwrap
5from test import support
6
7
8def format_duration(seconds):
9    ms = math.ceil(seconds * 1e3)
10    seconds, ms = divmod(ms, 1000)
11    minutes, seconds = divmod(seconds, 60)
12    hours, minutes = divmod(minutes, 60)
13
14    parts = []
15    if hours:
16        parts.append('%s hour' % hours)
17    if minutes:
18        parts.append('%s min' % minutes)
19    if seconds:
20        if parts:
21            # 2 min 1 sec
22            parts.append('%s sec' % seconds)
23        else:
24            # 1.0 sec
25            parts.append('%.1f sec' % (seconds + ms / 1000))
26    if not parts:
27        return '%s ms' % ms
28
29    parts = parts[:2]
30    return ' '.join(parts)
31
32
33def removepy(names):
34    if not names:
35        return
36    for idx, name in enumerate(names):
37        basename, ext = os.path.splitext(name)
38        if ext == '.py':
39            names[idx] = basename
40
41
42def count(n, word):
43    if n == 1:
44        return "%d %s" % (n, word)
45    else:
46        return "%d %ss" % (n, word)
47
48
49def printlist(x, width=70, indent=4, file=None):
50    """Print the elements of iterable x to stdout.
51
52    Optional arg width (default 70) is the maximum line length.
53    Optional arg indent (default 4) is the number of blanks with which to
54    begin each line.
55    """
56
57    blanks = ' ' * indent
58    # Print the sorted list: 'x' may be a '--random' list or a set()
59    print(textwrap.fill(' '.join(str(elt) for elt in sorted(x)), width,
60                        initial_indent=blanks, subsequent_indent=blanks),
61          file=file)
62
63
64def print_warning(msg):
65    support.print_warning(msg)
66
67
68orig_unraisablehook = None
69
70
71def regrtest_unraisable_hook(unraisable):
72    global orig_unraisablehook
73    support.environment_altered = True
74    print_warning("Unraisable exception")
75    old_stderr = sys.stderr
76    try:
77        sys.stderr = sys.__stderr__
78        orig_unraisablehook(unraisable)
79    finally:
80        sys.stderr = old_stderr
81
82
83def setup_unraisable_hook():
84    global orig_unraisablehook
85    orig_unraisablehook = sys.unraisablehook
86    sys.unraisablehook = regrtest_unraisable_hook
87