From 60aecf7eca3b04402a2c355b5e657181d87961b7 Mon Sep 17 00:00:00 2001 From: Robin Ole Heinemann Date: Tue, 18 May 2021 21:10:47 +0200 Subject: [PATCH] *: remove unused variables --- nmigen/hdl/rec.py | 2 +- nmigen/lib/fifo.py | 4 ++-- nmigen/sim/_pyrtl.py | 5 ----- 3 files changed, 3 insertions(+), 8 deletions(-) diff --git a/nmigen/hdl/rec.py b/nmigen/hdl/rec.py index 2e6ebd6..125bb4c 100644 --- a/nmigen/hdl/rec.py +++ b/nmigen/hdl/rec.py @@ -49,7 +49,7 @@ class Layout: try: # Check provided shape by calling Shape.cast and checking for exception Shape.cast(shape, src_loc_at=1 + src_loc_at) - except Exception as error: + except Exception: raise TypeError("Field {!r} has invalid shape: should be castable to Shape " "or a list of fields of a nested record" .format(field)) diff --git a/nmigen/lib/fifo.py b/nmigen/lib/fifo.py index de12a3c..defe261 100644 --- a/nmigen/lib/fifo.py +++ b/nmigen/lib/fifo.py @@ -300,7 +300,7 @@ class AsyncFIFO(Elaboratable, FIFOInterface): try: depth_bits = log2_int(depth, need_pow2=exact_depth) depth = 1 << depth_bits - except ValueError as e: + except ValueError: raise ValueError("AsyncFIFO only supports depths that are powers of 2; requested " "exact depth {} is not" .format(depth)) from None @@ -480,7 +480,7 @@ class AsyncFIFOBuffered(Elaboratable, FIFOInterface): try: depth_bits = log2_int(max(0, depth - 1), need_pow2=exact_depth) depth = (1 << depth_bits) + 1 - except ValueError as e: + except ValueError: raise ValueError("AsyncFIFOBuffered only supports depths that are one higher " "than powers of 2; requested exact depth {} is not" .format(depth)) from None diff --git a/nmigen/sim/_pyrtl.py b/nmigen/sim/_pyrtl.py index 3258f2b..13d515f 100644 --- a/nmigen/sim/_pyrtl.py +++ b/nmigen/sim/_pyrtl.py @@ -140,8 +140,6 @@ class _RHSValueCompiler(_ValueCompiler): return self(arg) elif len(value.operands) == 2: lhs, rhs = value.operands - lhs_mask = (1 << len(lhs)) - 1 - rhs_mask = (1 << len(rhs)) - 1 if value.operator == "+": return f"({sign(lhs)} + {sign(rhs)})" if value.operator == "-": @@ -217,7 +215,6 @@ class _RHSValueCompiler(_ValueCompiler): gen_index = self.emitter.def_var("rhs_index", f"{index_mask} & {self(value.index)}") gen_value = self.emitter.gen_var("rhs_proxy") if value.elems: - gen_elems = [] for index, elem in enumerate(value.elems): if index == 0: self.emitter.append(f"if {index} == {gen_index}:") @@ -292,7 +289,6 @@ class _LHSValueCompiler(_ValueCompiler): def on_Cat(self, value): def gen(arg): gen_arg = self.emitter.def_var("cat", arg) - gen_parts = [] offset = 0 for part in value.parts: part_mask = (1 << len(part)) - 1 @@ -308,7 +304,6 @@ class _LHSValueCompiler(_ValueCompiler): index_mask = (1 << len(value.index)) - 1 gen_index = self.emitter.def_var("index", f"{self.rrhs(value.index)} & {index_mask}") if value.elems: - gen_elems = [] for index, elem in enumerate(value.elems): if index == 0: self.emitter.append(f"if {index} == {gen_index}:") -- 2.30.2