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Remove optparse from example #655

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merged 2 commits into from
Apr 19, 2021
Merged

Remove optparse from example #655

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4296bb4
replace optparse with click
aaronayres35 Apr 12, 2021
c20760f
remove click entirely
aaronayres35 Apr 19, 2021
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75 changes: 23 additions & 52 deletions examples/demo/advanced/scalar_image_function_inspector.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,11 +12,10 @@


# Standard library imports
from optparse import OptionParser
import sys
import random

# Major library imports
import click
from numpy import array, linspace, meshgrid, nanmin, nanmax, pi, errstate

# Enthought library imports
Expand Down Expand Up @@ -450,8 +449,10 @@ def _colormap_changed(self):

def _num_levels_changed(self):
if self.num_levels > 3:
self.polyplot.levels = self.num_levels
self.lineplot.levels = self.num_levels
if self.polyplot is not None:
self.polyplot.levels = self.num_levels
if self.lineplot is not None:
self.lineplot.levels = self.num_levels


# HasTraits class that supplies the callable for the timer event.
Expand Down Expand Up @@ -634,56 +635,26 @@ def show_plot(**kwargs):
modelview.configure_traits()


def main(argv=None):

if argv is None:
argv = sys.argv

usage = "usage: %prog [options]"
parser = OptionParser(usage=usage, version="%prog 1.0")

parser.add_option(
"-c",
"--colormap",
action="store",
type="string",
dest="colormap",
default="viridis",
metavar="CMAP",
help="choose a default colormapper",
)

parser.add_option(
"-n",
"--nlevels",
action="store",
type="int",
dest="num_levels",
default=15,
help="number countour levels to plot [default: %default]",
)

parser.add_option(
"-f",
"--function",
action="store",
type="string",
dest="function",
default="tanh(x**2+y)*cos(y)*jn(0,x+y*2)",
help="function of x and y [default: %default]",
)

opts, args = parser.parse_args(argv[1:])

if len(args) > 0:
parser.error("Incorrect number of arguments")

@click.command()
@click.option(
"-c", "--colormap", default="viridis", help="choose a default colormapper"
)
@click.option(
"-n", "--nlevels", default=15, help="number countour levels to plot"
)
@click.option(
"-f",
"--function",
default="tanh(x**2+y)*cos(y)*jn(0,x+y*2)",
help="function of x and y"
)
def main(colormap, nlevels, function):
show_plot(
colormap=opts.colormap,
num_levels=opts.num_levels,
function=opts.function,
colormap=colormap,
num_levels=nlevels,
function=function,
)


if __name__ == "__main__":
sys.exit(main())
main()