def main():
t = Terminal()
def update(s):
t.style_reset()
t.clear_line()
fmt = ""
try:
col, fmt = parse_color(s)
t.style(Color.rgb(col[0], col[1], col[2]).bg())
t.write(" " * SWATCH_WIDTH)
t.style_reset()
t.write(" ")
except ColorParseError:
t.write(">" * SWATCH_WIDTH, " ")
finally:
t.cursor_save()
t.style(Color.hex(0x909090))
t.cursor_move(0, 1).clear_to_end().write(fmt)
t.cursor_restore().style_reset()
t.write(s)
with t.managed():
t.set_cbreak(True)
# make space
t.writeln()
t.cursor_move(0, -1).flush()
try:
# read and parse color
col_str = read_line(t, update)
col, fmt = parse_color(col_str)
t.writeln().writeln()
# write converted colors
formats = (("RGBA", format_rgba(col)), ("RGBA (hex)",
format_hex_rgba(col)),
("RGB (hex)", format_hex_rgb(col)))
format_name_width = max((len(f[0]) for f in formats)) + 2
for name, value in formats:
padding = format_name_width - (len(name) + 1)
t.style(Color.hex(0x909090)).write(name, ":", " " * padding)
t.style_reset().writeln(value)
t.flush()
except ColorParseError:
t.writeln().writeln()
t.writeln("Not a color.")
for i, word in enumerate(s.split(" ")):
if i > 0:
t.write(" ")
try:
int(word)
t.style(NamedColor("red"))
except:
pass
t.write(word).style_reset()
def autocomplete(word):
d = os.listdir(os.getcwd())
matches = [w for w in d if w.startswith(word)]
return matches[0] if len(matches) > 0 else None
with t.managed():
t.print("REPL demo -- a really dumb shell")
t.print("Filenames in CWD are autocompleted.")
while True:
# render prompt
t.style(NamedColor("yellow"))
t.write("dumbsh> ")
t.style_reset().flush()
# read
s = read_line(t, update, autocomplete)
# eval
if s == "help":
# show available commands
t.print("commands: help, ls, cd, pwd, clear, exit")