diff options
| author | Peter Wu <peter@lekensteyn.nl> | 2019-06-22 19:42:11 +0100 |
|---|---|---|
| committer | Peter Wu <peter@lekensteyn.nl> | 2019-06-23 17:31:15 +0000 |
| commit | 7dfcb4425adf29590f3daf507d667b330a97b669 (patch) | |
| tree | 324aa6db35f15b2689b42a7205dd83bdbccaeb1a /tools/asn2wrs.py | |
| parent | 99a87a68caf83eec37ac83ba7a8c3c6a051ff68e (diff) | |
asn2wrs: use system lex and yacc from ply if available
Tested with python-ply 3.11 and Python 3.7.3 on Arch Linux using the
'ninja asn1' command.
Bundling lex.py and yacc.py is one distribution method suggested by PLY
upstream (https://www.dabeaz.com/ply/README.txt), but since it is also
available in many Linux distributions, we could potentially remove it in
the future. Windows developers can install it through pip if needed.
Change-Id: I9c847072916ee33da49994820b435ec1d7110303
Reviewed-on: https://code.wireshark.org/review/33708
Petri-Dish: Peter Wu <peter@lekensteyn.nl>
Tested-by: Petri Dish Buildbot
Reviewed-by: Pascal Quantin <pascal@wireshark.org>
Reviewed-by: Peter Wu <peter@lekensteyn.nl>
Diffstat (limited to 'tools/asn2wrs.py')
| -rwxr-xr-x | tools/asn2wrs.py | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/asn2wrs.py b/tools/asn2wrs.py index 917b017f8e..41e7949efc 100755 --- a/tools/asn2wrs.py +++ b/tools/asn2wrs.py @@ -47,8 +47,14 @@ import time import getopt import traceback -import lex -import yacc +try: + from ply import lex + from ply import yacc +except ImportError: + # Fallback: use lex.py and yacc from the tools directory within the + # Wireshark source tree if python-ply is not installed. + import lex + import yacc if sys.version_info[0] < 3: from string import maketrans |