diff options
Diffstat (limited to 'pygments/cmdline.py')
| -rw-r--r-- | pygments/cmdline.py | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/pygments/cmdline.py b/pygments/cmdline.py index 20e87c36..53e858b5 100644 --- a/pygments/cmdline.py +++ b/pygments/cmdline.py @@ -30,7 +30,7 @@ from pygments.styles import get_all_styles, get_style_by_name USAGE = """\ Usage: %s [-l <lexer> | -g] [-F <filter>[:<options>]] [-f <formatter>] - [-O <options>] [-P <option=value>] [-s] [-o <outfile>] [<infile>] + [-O <options>] [-P <option=value>] [-s] [-v] [-o <outfile>] [<infile>] %s -S <style> -f <formatter> [-a <arg>] [-O <options>] [-P <option=value>] %s -L [<which> ...] @@ -90,6 +90,9 @@ waiting to process the entire file. This only works for stdin, and is intended for streaming input such as you get from 'tail -f'. Example usage: "tail -f sql.log | pygmentize -s -l sql" +The -v option prints a detailed traceback on unhandled exceptions, +which is useful for debugging and bug reports. + The -h option prints this help. The -V option prints the package version. """ @@ -496,7 +499,7 @@ def main(args=sys.argv): usage = USAGE % ((args[0],) * 6) try: - popts, args = getopt.getopt(args[1:], "l:f:F:o:O:P:LS:a:N:hVHgs") + popts, args = getopt.getopt(args[1:], "l:f:F:o:O:P:LS:a:N:vhVHgs") except getopt.GetoptError: print(usage, file=sys.stderr) return 2 @@ -504,6 +507,18 @@ def main(args=sys.argv): try: return main_inner(popts, args, usage) except Exception: + if '-v' in dict(popts): + print(file=sys.stderr) + print('*' * 65, file=sys.stderr) + print('An unhandled exception occurred while highlighting.', + file=sys.stderr) + print('Please report the whole traceback to the issue tracker at', + file=sys.stderr) + print('<https://bitbucket.org/birkenfeld/pygments-main/issues>.', + file=sys.stderr) + print('*' * 65, file=sys.stderr) + print(file=sys.stderr) + raise import traceback info = traceback.format_exception(*sys.exc_info()) msg = info[-1].strip() @@ -513,4 +528,6 @@ def main(args=sys.argv): print(file=sys.stderr) print('*** Error while highlighting:', file=sys.stderr) print(msg, file=sys.stderr) + print('*** If this is a bug you want to report, please rerun with -v.', + file=sys.stderr) return 1 |