Fix the following error when a command list file contains empty lines: Traceback (most recent call last): File "buildtools/dpdk-cmdline-gen.py", line 202, in <module> main() File "buildtools/dpdk-cmdline-gen.py", line 184, in main process_commands(args.infile, sys.stdout, None, args.context_name) File "buildtools/dpdk-cmdline-gen.py", line 141, in process_commands cmd_inst, h_out, c_out = process_command(lineno, tokens.strip().spl… ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^… File "buildtools/dpdk-cmdline-gen.py", line 36, in process_command if tokens[0].startswith("<"): ~~~~~~^^^ IndexError: list index out of range
Use shlex.split() to properly split each line arguments into tokens and strip comments. If there are no tokens, ignore the line. Fixes: 37666691e9ed ("buildtools: add a tool to generate cmdline boilerplate") Cc: Bruce Richardson <bruce.richard...@intel.com> Signed-off-by: Robin Jarry <rja...@redhat.com> --- buildtools/dpdk-cmdline-gen.py | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/buildtools/dpdk-cmdline-gen.py b/buildtools/dpdk-cmdline-gen.py index 8922bb5fc38e..49b03bee4a26 100755 --- a/buildtools/dpdk-cmdline-gen.py +++ b/buildtools/dpdk-cmdline-gen.py @@ -7,6 +7,7 @@ """ import argparse +import shlex import sys PARSE_FN_PARAMS = "void *parsed_result, struct cmdline *cl, void *data" @@ -133,12 +134,14 @@ def process_commands(infile, hfile, cfile, ctxname): ) for lineno, line in enumerate(infile.readlines()): - if line.lstrip().startswith("#"): + tokens = shlex.split(line, comments=True) + if not tokens: continue - if "#" not in line: - line = line + "#" # ensure split always works, even if no help text - tokens, comment = line.split("#", 1) - cmd_inst, h_out, c_out = process_command(lineno, tokens.strip().split(), comment.strip()) + if "#" in line: + comment = line.split("#", 1)[-1].strip() + else: + comment = "" + cmd_inst, h_out, c_out = process_command(lineno, tokens, comment) hfile.write("\n".join(h_out)) if cfile: cfile.write("\n".join(c_out)) -- 2.41.0