🧹

makefile

@@ -3,6 +3,7 @@ DATA = $(shell echo $(FILE) | sed -e s/\.py/\.dat/)
 PYTHONPATH=.
 
 main: venv/
+# 	@venv/bin/flake8 --exclude=venv/
 	@touch $(DATA)
 	@cat $(DATA) | venv/bin/python -u $(FILE)
 

requirements.txt

@@ -1,4 +1,2 @@
-pypng
-numpy
-scipy
-scikit-image
+flake8
+flake8-import-order

y2018/p17.py

@@ -10,7 +10,7 @@ def read_in():
         _ = re.sub(r'(\d+)\.\.(\d+)', r'range(\1, \2 + 1)', _)
         _ = re.sub(r'=(\d+)', r'=[\1]', _)
         exec(_, globals())
-        grid.update({(X, Y): '#' for X in x for Y in y})
+        grid.update({(X, Y): '#' for X in x for Y in y})  # noqa
     return grid
 
 
@@ -49,7 +49,8 @@ def drain(end):
         x, y = stack.pop()
         grid[x, y] = '|'
 
-        if grid[x - 1, y] == '|' and grid[x + 1, y] == ' ' and grid[x, y + 1] != '|':
+        left, right, below = grid[x - 1, y], grid[x + 1, y], grid[x, y + 1]
+        if all([right == ' ', left == '|', below != '|']):
             flow((x + 1, y))
 
         for dx, dy in [(-1, 0), (1, 0), (0, -1)]:

y2019/intcode.py

@@ -28,6 +28,9 @@ def get_parameters(ns, pos, modes, N, writes, relbase):
 
 
 def compute(ns, in_iter):
+    def consume(N, writes=''):
+        return get_parameters(ns, pos, modes, N, writes, relbase)
+
     if isinstance(ns, str):
         ns = parse(ns)
     if isinstance(in_iter, int):
@@ -35,7 +38,6 @@ def compute(ns, in_iter):
 
     pos = 0
     relbase = 0
-    consume = lambda n, writes='': get_parameters(ns, pos, modes, n, writes, relbase)
 
     while True:
         op = ns[pos] % 100

y2019/p02.py

@@ -1,6 +1,6 @@
 import itertools
-import re
 import sys
+
 from intcode import compute, parse
 
 
@@ -16,4 +16,4 @@ text = sys.stdin.read()
 print(check(12, 2))
 for noun, verb in itertools.product(range(100), repeat=2):
     if check(noun, verb) == 19690720:
-        print(100 * noun +  verb)
+        print(100 * noun + verb)

y2019/p04.py

@@ -1,6 +1,8 @@
 import sys
-import itertools
+from itertools import groupby
 
-strings = [str(n) for n in range(347312, 805915 + 1)]
-print(sum(list(s) == sorted(s) and any(len(list(vs)) >= 2 for k, vs in itertools.groupby(s)) for s in strings))
-print(sum(list(s) == sorted(s) and any(len(list(vs)) == 2 for k, vs in itertools.groupby(s)) for s in strings))
+
+A, B = [int(n) for n in sys.stdin.read().split('-')]
+strings = [str(n) for n in range(A, B + 1)]
+print(sum(list(s) == sorted(s) and any(len(list(vs)) >= 2 for k, vs in groupby(s)) for s in strings))  # noqa
+print(sum(list(s) == sorted(s) and any(len(list(vs)) == 2 for k, vs in groupby(s)) for s in strings))  # noqa

y2019/p05.py

@@ -1,5 +1,6 @@
 import sys
-from intcode import compute, parse
+
+from intcode import compute
 
 
 tests = [

y2019/p06.py

@@ -1,5 +1,5 @@
-import sys
 import collections
+import sys
 
 
 # build

y2019/p07.py

@@ -1,5 +1,6 @@
 import sys
-import itertools
+from itertools import chain, cycle, permutations
+
 from intcode import compute
 
 
@@ -12,19 +13,20 @@ def solve(ns, phases):
         out = list(compute(ns, iter([n, out])))[-1]
     return out
 
-print(max(solve(ns, phases) for phases in itertools.permutations(range(5))))
+
+print(max(solve(ns, phases) for phases in permutations(range(5))))
 
 
 def solve2(ns, phases):
     feedback = []
     iter_phases = iter(phases)
     iter_feed = iter(feedback)
-    loop = itertools.cycle([
-        compute(ns, itertools.chain([next(iter_phases), 0], iter_feed)),
-        compute(ns, itertools.chain([next(iter_phases)], iter_feed)),
-        compute(ns, itertools.chain([next(iter_phases)], iter_feed)),
-        compute(ns, itertools.chain([next(iter_phases)], iter_feed)),
-        compute(ns, itertools.chain([next(iter_phases)], iter_feed)),
+    loop = cycle([
+        compute(ns, chain([next(iter_phases), 0], iter_feed)),
+        compute(ns, chain([next(iter_phases)], iter_feed)),
+        compute(ns, chain([next(iter_phases)], iter_feed)),
+        compute(ns, chain([next(iter_phases)], iter_feed)),
+        compute(ns, chain([next(iter_phases)], iter_feed)),
     ])
     try:
         for machine in loop:
@@ -32,4 +34,5 @@ def solve2(ns, phases):
     except StopIteration:
         return feedback[-1]
 
-print(max(solve2(ns, phases) for phases in itertools.permutations(range(5, 10))))
+
+print(max(solve2(ns, phases) for phases in permutations(range(5, 10))))

y2019/p08.py

@@ -4,7 +4,7 @@ import sys
 w, h = 25, 6
 text = sys.stdin.read()
 
-count = lambda m: lambda layer: sum(n == m for n in layer)
+count = lambda m: lambda layer: sum(n == m for n in layer)  # noqa
 
 layers = list(zip(*[(int(n) for n in text.strip())] * w * h))
 min_layer = min(layers, key=count(0))

y2019/p09.py

@@ -1,8 +1,8 @@
-import re
 import sys
 
 from intcode import compute
 
+
 text = sys.stdin.read()
 print(next(compute(text, 1)))
 print(next(compute(text, 2)))

y2019/p10.py

@@ -1,7 +1,6 @@
 import itertools
 import math
 import sys
-from functools import partial
 
 
 def measure(start, other):

y2019/p11.py

@@ -1,5 +1,6 @@
 import collections
 import sys
+
 from intcode import compute