trx_toolkit: fix: do not use 'is' / 'is not' with string and numerical literals
Since version 3.8, Python warnins us that using the "is" and "is not" operators with string and numerical literals is a bad idea. Let's avoid this and use the classical '==' and '!=' operators instead. Change-Id: Iaed86d630ac1e0b9b4f72bbf3c788e325783456d Bug description: https://bugs.python.org/issue34850
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@ -4,7 +4,7 @@
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# TRX Toolkit
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# Virtual Um-interface (fake transceiver)
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#
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# (C) 2017-2018 by Vadim Yanitskiy <axilirator@gmail.com>
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# (C) 2017-2019 by Vadim Yanitskiy <axilirator@gmail.com>
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#
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# All Rights Reserved
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#
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@ -22,7 +22,7 @@
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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APP_CR_HOLDERS = [("2017-2018", "Vadim Yanitskiy <axilirator@gmail.com>")]
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APP_CR_HOLDERS = [("2017-2019", "Vadim Yanitskiy <axilirator@gmail.com>")]
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import logging as log
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import signal
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@ -131,7 +131,7 @@ class FakeTRX(Transceiver):
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@property
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def toa256(self):
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# Check if randomization is required
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if self.toa256_rand_threshold is 0:
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if self.toa256_rand_threshold == 0:
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return self.toa256_base
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# Generate a random ToA value in required range
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@ -142,7 +142,7 @@ class FakeTRX(Transceiver):
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@property
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def rssi(self):
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# Check if randomization is required
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if self.rssi_rand_threshold is 0:
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if self.rssi_rand_threshold == 0:
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return self.rssi_base
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# Generate a random RSSI value in required range
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@ -153,7 +153,7 @@ class FakeTRX(Transceiver):
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@property
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def ci(self):
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# Check if randomization is required
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if self.ci_rand_threshold is 0:
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if self.ci_rand_threshold == 0:
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return self.ci_base
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# Generate a random C/I value in required range
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@ -165,7 +165,7 @@ class FakeTRX(Transceiver):
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# Returns: True - drop, False - keep
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def sim_burst_drop(self, msg):
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# Check if dropping is required
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if self.burst_drop_amount is 0:
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if self.burst_drop_amount == 0:
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return False
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if msg.fn % self.burst_drop_period == 0:
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@ -212,7 +212,7 @@ class FakeTRX(Transceiver):
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self._handle_data_msg_v1(src_msg, msg)
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# Apply optional Timing Advance
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if src_trx.ta is not 0:
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if src_trx.ta != 0:
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msg.toa256 -= src_trx.ta * 256
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# Path loss simulation
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@ -384,7 +384,7 @@ class Application(ApplicationBase):
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def append_child_trx(self, remote_addr, base_port, child_idx, name = None):
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# Index 0 corresponds to the first transceiver
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if child_idx is 0:
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if child_idx == 0:
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self.append_trx(remote_addr, base_port, name)
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return
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@ -112,7 +112,7 @@ class Application(ApplicationBase):
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msg.validate()
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except ValueError as e:
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desc = msg.desc_hdr()
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if desc is "":
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if desc == "":
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desc = "parsing error"
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log.warning("Ignoring an incorrect message (%s): %s" % (desc, e))
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self.cnt_burst_dropped_num += 1
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