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package Parse::StackTrace::Type::Python; |
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125144
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use Moose; |
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extends 'Parse::StackTrace'; |
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our $VERSION = '0.08'; |
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use constant HAS_TRACE => qr/^\s*File\s".+"(?:,|\s+in)/ms; |
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use constant EXCEPTION_REGEX => qr/ |
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^ |
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(?:Exception \s Type:\s+)? # Django Format |
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\S*(?:Error|Exception) # Actual Exception |
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(?::\s+)|(?:\s+at\b) # Colon (normal python) or "at" (Django) |
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/x; |
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sub thread_number { |
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my ($self, $number) = @_; |
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return $self->threads->[0] if $number == 1; |
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return undef; |
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} |
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sub _handle_block { |
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my $class = shift; |
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my %params = @_; |
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my ($frame_lines, $current_thread, $lines, $end, $debug) = |
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@params{qw(frame_lines thread lines end_line_number debug)}; |
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# If we run into the description of the exception, then we're done parsing |
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# the trace, provided that we've already parsed some frames. |
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my $first_line = $frame_lines->[0]; |
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if (scalar @{ $current_thread->frames } and $first_line =~ EXCEPTION_REGEX) { |
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$current_thread->{description} = trim($first_line); |
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print STDERR "Thread Exception: $first_line\n" if $debug; |
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pop @$frame_lines; |
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# Don't parse anymore. |
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@$lines = (); |
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$current_thread->ending_line($end); |
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return $current_thread; |
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} |
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return $class->SUPER::_handle_block(@_); |
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} |
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sub _next_line_ends_frame { |
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my $class = shift; |
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my ($line) = @_; |
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return ($class->SUPER::_next_line_ends_frame(@_) |
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or $line =~ EXCEPTION_REGEX); |
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} |
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sub trim { |
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my $str = shift; |
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$str =~ s/^s*//; |
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$str =~ s/\s*$//; |
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return $str; |
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} |
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__PACKAGE__->meta->make_immutable; |
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1; |
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__END__ |
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=head1 NAME |
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Parse::StackTrace::Type::Python - A stack trace produced by python |
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=head1 DESCRIPTION |
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This is an implementation of L<Parse::StackTrace> for Python tracebacks. |
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The parser will only parse the I<first> Python stack trace it finds in |
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a block of text, and then stop parsing. |
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=head1 SEE ALSO |
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=over |
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=item L<Parse::StackTrace::Type::Python::Thread> |
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=item L<Parse::StackTrace::Type::Python::Frame> |
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=back |