Vadim Yanitskiy has submitted this change and it was merged. ( 
https://gerrit.osmocom.org/12188 )

Change subject: trx_toolkit/burst_send.py: migrate from getopt to argparse
......................................................................

trx_toolkit/burst_send.py: migrate from getopt to argparse

Change-Id: I1be66aa022a79aa1683f0e6cfebaed568b1736b1
---
M src/target/trx_toolkit/burst_send.py
1 file changed, 59 insertions(+), 127 deletions(-)

Approvals:
  Jenkins Builder: Verified
  Pau Espin Pedrol: Looks good to me, approved



diff --git a/src/target/trx_toolkit/burst_send.py 
b/src/target/trx_toolkit/burst_send.py
index 787e0fc..499e929 100755
--- a/src/target/trx_toolkit/burst_send.py
+++ b/src/target/trx_toolkit/burst_send.py
@@ -27,7 +27,7 @@

 import logging as log
 import signal
-import getopt
+import argparse
 import sys

 from data_dump import DATADumpFile
@@ -36,27 +36,9 @@
 from data_msg import *

 class Application:
-       # Application variables
-       remote_addr = "127.0.0.1"
-       bind_addr = "0.0.0.0"
-       base_port = 5700
-       conn_mode = "TRX"
-
-       # Burst source
-       capture_file = None
-
-       # Count limitations
-       msg_skip = None
-       msg_count = None
-
-       # Pass filtering
-       pf_fn_lt = None
-       pf_fn_gt = None
-       pf_tn = None
-
        def __init__(self):
                print_copyright(CR_HOLDERS)
-               self.parse_argv()
+               self.argv = self.parse_argv()

                # Set up signal handlers
                signal.signal(signal.SIGINT, self.sig_handler)
@@ -66,152 +48,102 @@
                        format = "[%(levelname)s] %(filename)s:%(lineno)d 
%(message)s")

                # Open requested capture file
-               self.ddf = DATADumpFile(self.capture_file)
+               self.ddf = DATADumpFile(self.argv.capture_file)

        def run(self):
                # Init DATA interface with TRX or L1
-               if self.conn_mode == "TRX":
-                       self.data_if = DATAInterface(self.remote_addr, 
self.base_port + 2,
-                               self.bind_addr, self.base_port + 102)
-                       l12trx = True
-               elif self.conn_mode == "L1":
-                       self.data_if = DATAInterface(self.remote_addr, 
self.base_port + 102,
-                               self.bind_addr, self.base_port + 2)
-                       l12trx = False
-               else:
-                       self.print_help("[!] Unknown connection type")
-                       sys.exit(2)
+               if self.argv.conn_mode == "TRX":
+                       self.data_if = DATAInterface(
+                               self.argv.remote_addr, self.argv.base_port + 2,
+                               self.argv.bind_addr, self.argv.base_port + 102)
+               elif self.argv.conn_mode == "L1":
+                       self.data_if = DATAInterface(
+                               self.argv.remote_addr, self.argv.base_port + 
102,
+                               self.argv.bind_addr, self.argv.base_port + 2)

                # Read messages from the capture
                messages = self.ddf.parse_all(
-                       skip = self.msg_skip, count = self.msg_count)
+                       skip = self.argv.cnt_skip, count = self.argv.cnt_count)
                if messages is False:
                        pass # FIXME!!!

                for msg in messages:
                        # Pass filter
-                       if not self.msg_pass_filter(l12trx, msg):
+                       if not self.msg_pass_filter(msg):
                                continue

                        log.info("Sending a burst %s to %s..."
-                               % (msg.desc_hdr(), self.conn_mode))
+                               % (msg.desc_hdr(), self.argv.conn_mode))

                        # Send message
                        self.data_if.send_msg(msg)

-       def msg_pass_filter(self, l12trx, msg):
+       def msg_pass_filter(self, msg):
                # Direction filter
+               l12trx = self.argv.conn_mode == "TRX"
                if isinstance(msg, DATAMSG_L12TRX) and not l12trx:
                        return False
                elif isinstance(msg, DATAMSG_TRX2L1) and l12trx:
                        return False

                # Timeslot filter
-               if self.pf_tn is not None:
-                       if msg.tn != self.pf_tn:
+               if self.argv.pf_tn is not None:
+                       if msg.tn != self.argv.pf_tn:
                                return False

                # Frame number filter
-               if self.pf_fn_lt is not None:
-                       if msg.fn > self.pf_fn_lt:
+               if self.argv.pf_fn_lt is not None:
+                       if msg.fn > self.argv.pf_fn_lt:
                                return False
-               if self.pf_fn_gt is not None:
-                       if msg.fn < self.pf_fn_gt:
+               if self.argv.pf_fn_gt is not None:
+                       if msg.fn < self.argv.pf_fn_gt:
                                return False

                # Burst passed ;)
                return True

-       def print_help(self, msg = None):
-               s  = " Usage: " + sys.argv[0] + " [options]\n\n" \
-                        " Some help...\n" \
-                        "  -h --help              this text\n\n"
-
-               s += " TRX interface specific\n" \
-                        "  -m --conn-mode         Send bursts to: TRX 
(default) / L1\n"    \
-                        "  -r --remote-addr       Set remote address (default 
%s)\n"       \
-                        "  -b --bind-addr         Set bind address (default 
%s)\n"         \
-                        "  -p --base-port         Set base port number 
(default %d)\n\n"
-
-               s += " Burst source\n" \
-                        "  -i --capture-file      Read bursts from capture 
file\n\n" \
-
-               s += " Count limitations (disabled by default)\n" \
-                        "  --msg-skip      NUM    Skip NUM messages before 
sending\n"   \
-                        "  --msg-count     NUM    Stop after sending NUM 
messages\n\n"  \
-
-               s += " Filtering (disabled by default)\n" \
-                        "  --timeslot      NUM    TDMA timeslot number 
[0..7]\n"        \
-                        "  --frame-num-lt  NUM    TDMA frame number lower than 
NUM\n"   \
-                        "  --frame-num-gt  NUM    TDMA frame number greater 
than NUM\n"
-
-               print(s % (self.remote_addr, self.bind_addr, self.base_port))
-
-               if msg is not None:
-                       print(msg)
-
        def parse_argv(self):
-               try:
-                       opts, args = getopt.getopt(sys.argv[1:],
-                               "m:r:b:p:i:h",
-                               [
-                                       "help",
-                                       "conn-mode=",
-                                       "remote-addr=",
-                                       "bind-addr=",
-                                       "base-port=",
-                                       "capture-file=",
-                                       "msg-skip=",
-                                       "msg-count=",
-                                       "timeslot=",
-                                       "frame-num-lt=",
-                                       "frame-num-gt=",
-                               ])
-               except getopt.GetoptError as err:
-                       self.print_help("[!] " + str(err))
-                       sys.exit(2)
+               parser = argparse.ArgumentParser(prog = "burst_send",
+                       description = "Auxiliary tool to send (reply) captured 
bursts")

-               for o, v in opts:
-                       if o in ("-h", "--help"):
-                               self.print_help()
-                               sys.exit(2)
+               trx_group = parser.add_argument_group("TRX interface")
+               trx_group.add_argument("-r", "--remote-addr",
+                       dest = "remote_addr", type = str, default = "127.0.0.1",
+                       help = "Set remote address (default %(default)s)")
+               trx_group.add_argument("-b", "--bind-addr",
+                       dest = "bind_addr", type = str, default = "0.0.0.0",
+                       help = "Set bind address (default %(default)s)")
+               trx_group.add_argument("-p", "--base-port",
+                       dest = "base_port", type = int, default = 6700,
+                       help = "Set base port number (default %(default)s)")
+               trx_group.add_argument("-m", "--conn-mode",
+                       dest = "conn_mode", type = str,
+                       choices = ["TRX", "L1"], default = "TRX",
+                       help = "Where to send bursts (default %(default)s)")
+               trx_group.add_argument("-i", "--capture-file", metavar = "FILE",
+                       dest = "capture_file", type = str, required = True,
+                       help = "Capture file to read bursts from")

-                       # Capture file
-                       elif o in ("-i", "--capture-file"):
-                               self.capture_file = v
+               cnt_group = parser.add_argument_group("Count limitations 
(optional)")
+               cnt_group.add_argument("--skip", metavar = "N",
+                       dest = "cnt_skip", type = int,
+                       help = "Skip N messages before sending")
+               cnt_group.add_argument("--count", metavar = "N",
+                       dest = "cnt_count", type = int,
+                       help = "Stop after sending N messages")

-                       # TRX interface specific
-                       elif o in ("-m", "--conn-mode"):
-                               self.conn_mode = v
-                       elif o in ("-r", "--remote-addr"):
-                               self.remote_addr = v
-                       elif o in ("-b", "--bind-addr"):
-                               self.bind_addr = v
-                       elif o in ("-p", "--base-port"):
-                               self.base_port = int(v)
+               pf_group = parser.add_argument_group("Filtering (optional)")
+               cnt_group.add_argument("--timeslot", metavar = "TN",
+                       dest = "pf_tn", type = int, choices = range(0, 8),
+                       help = "TDMA timeslot number (equal TN)")
+               cnt_group.add_argument("--frame-num-lt", metavar = "FN",
+                       dest = "pf_fn_lt", type = int,
+                       help = "TDMA frame number (lower than FN)")
+               cnt_group.add_argument("--frame-num-gt", metavar = "FN",
+                       dest = "pf_fn_gt", type = int,
+                       help = "TDMA frame number (greater than FN)")

-                       # Count limitations
-                       elif o == "--msg-skip":
-                               self.msg_skip = int(v)
-                       elif o == "--msg-count":
-                               self.msg_count = int(v)
-
-                       # Timeslot pass filter
-                       elif o == "--timeslot":
-                               self.pf_tn = int(v)
-                               if self.pf_tn < 0 or self.pf_tn > 7:
-                                       self.print_help("[!] Wrong timeslot 
value")
-                                       sys.exit(2)
-
-                       # Frame number pass filter
-                       elif o == "--frame-num-lt":
-                               self.pf_fn_lt = int(v)
-                       elif o == "--frame-num-gt":
-                               self.pf_fn_gt = int(v)
-
-               if self.capture_file is None:
-                       self.print_help("[!] Please specify a capture file")
-                       sys.exit(2)
+               return parser.parse_args()

        def sig_handler(self, signum, frame):
                log.info("Signal %d received" % signum)

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Gerrit-Project: osmocom-bb
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I1be66aa022a79aa1683f0e6cfebaed568b1736b1
Gerrit-Change-Number: 12188
Gerrit-PatchSet: 1
Gerrit-Owner: Vadim Yanitskiy <[email protected]>
Gerrit-Reviewer: Jenkins Builder (1000002)
Gerrit-Reviewer: Pau Espin Pedrol <[email protected]>
Gerrit-Reviewer: Vadim Yanitskiy <[email protected]>

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