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from __future__ import print_function
from contextlib import contextmanager
import numpy as np
import time
# ================================================================
# Misc
# ================================================================
def fmt_row(width, row, header=False):
out = " | ".join(fmt_item(x, width) for x in row)
if header: out = out + "\n" + "-"*len(out)
return out
def fmt_item(x, l):
if isinstance(x, np.ndarray):
assert x.ndim==0
x = x.item()
if isinstance(x, (float, np.float32, np.float64)):
v = abs(x)
if (v < 1e-4 or v > 1e+4) and v > 0:
rep = "%7.2e" % x
else:
rep = "%7.5f" % x
else: rep = str(x)
return " "*(l - len(rep)) + rep
color2num = dict(
gray=30,
red=31,
green=32,
yellow=33,
blue=34,
magenta=35,
cyan=36,
white=37,
crimson=38
)
def colorize(string, color, bold=False, highlight=False):
attr = []
num = color2num[color]
if highlight: num += 10
attr.append(str(num))
if bold: attr.append('1')
return '\x1b[%sm%s\x1b[0m' % (';'.join(attr), string)
MESSAGE_DEPTH = 0
@contextmanager
def timed(msg):
global MESSAGE_DEPTH #pylint: disable=W0603
print(colorize('\t'*MESSAGE_DEPTH + '=: ' + msg, color='magenta'))
tstart = time.time()
MESSAGE_DEPTH += 1
yield
MESSAGE_DEPTH -= 1
print(colorize('\t'*MESSAGE_DEPTH + "done in %.3f seconds"%(time.time() - tstart), color='magenta'))
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