From 86b5aacfb972ffe0fa5fac6028e9f0bc61050dda Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Date: Tue, 6 Mar 2018 15:46:50 +0000 Subject: trace: include filename when printing parser error messages MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Improves error messages from: ValueError: Error on line 72: need more than 1 value to unpack To ValueError: Error at /home/berrange/src/virt/qemu/trace-events:72: need more than 1 value to unpack Signed-off-by: Daniel P. Berrangé Reviewed-by: Philippe Mathieu-Daudé Message-id: 20180306154650.24075-1-berrange@redhat.com Signed-off-by: Stefan Hajnoczi --- scripts/simpletrace.py | 4 ++-- scripts/tracetool.py | 2 +- scripts/tracetool/__init__.py | 6 ++++-- 3 files changed, 7 insertions(+), 5 deletions(-) diff --git a/scripts/simpletrace.py b/scripts/simpletrace.py index be3d1affaf..9d45c6ba4e 100755 --- a/scripts/simpletrace.py +++ b/scripts/simpletrace.py @@ -168,7 +168,7 @@ class Analyzer(object): def process(events, log, analyzer, read_header=True): """Invoke an analyzer on each event in a log.""" if isinstance(events, str): - events = read_events(open(events, 'r')) + events = read_events(open(events, 'r'), events) if isinstance(log, str): log = open(log, 'rb') @@ -233,7 +233,7 @@ def run(analyzer): '\n' % sys.argv[0]) sys.exit(1) - events = read_events(open(sys.argv[1], 'r')) + events = read_events(open(sys.argv[1], 'r'), sys.argv[1]) process(events, sys.argv[2], analyzer, read_header=read_header) if __name__ == '__main__': diff --git a/scripts/tracetool.py b/scripts/tracetool.py index c55a21518b..fe2b0771f2 100755 --- a/scripts/tracetool.py +++ b/scripts/tracetool.py @@ -142,7 +142,7 @@ def main(args): events = [] for arg in args: with open(arg, "r") as fh: - events.extend(tracetool.read_events(fh)) + events.extend(tracetool.read_events(fh, arg)) try: tracetool.generate(events, arg_group, arg_format, arg_backends, diff --git a/scripts/tracetool/__init__.py b/scripts/tracetool/__init__.py index 3646c2b9fc..4236062650 100644 --- a/scripts/tracetool/__init__.py +++ b/scripts/tracetool/__init__.py @@ -291,13 +291,15 @@ class Event(object): self) -def read_events(fobj): +def read_events(fobj, fname): """Generate the output for the given (format, backends) pair. Parameters ---------- fobj : file Event description file. + fname : str + Name of event file Returns a list of Event objects """ @@ -312,7 +314,7 @@ def read_events(fobj): try: event = Event.build(line) except ValueError as e: - arg0 = 'Error on line %d: %s' % (lineno, e.args[0]) + arg0 = 'Error at %s:%d: %s' % (fname, lineno, e.args[0]) e.args = (arg0,) + e.args[1:] raise -- cgit v1.2.3