def test_transformers_container_bake_method_for_source_consuming_transformers(
):
sh = TM.shape((5, 5))
sh.draw.set((2, 2))
reference_shape = TM.shape((5, 5))
# Emulates Dilate filter -
for point in [(2, 2), (2, 1), (1, 2), (3, 2), (2, 3)]:
reference_shape.draw.set(point)
TM.TransformersContainer([TM.transformers.library.Dilate]).bake(sh)
joiner = lambda sh: [sh[pos].value for pos in TM.Rect(sh.size)]
assert joiner(sh) == joiner(reference_shape)
def test_transformers_container_bake_method_for_source_consuming_transformers():
sh = TM.shape((5,5))
sh.draw.set((2,2))
reference_shape = TM.shape((5,5))
# Emulates Dilate filter -
for point in [(2,2), (2, 1), (1, 2), (3, 2), (2, 3)]:
reference_shape.draw.set(point)
TM.TransformersContainer([TM.transformers.library.Dilate]).bake(sh)
#FIXME: compares the internal characters relying on the internal
# representation of shape data:
joiner = lambda d: '\n'.join(''.join(char for char in d[i: i + 5]) for i in range(0, 5 * 5, 5))
assert joiner(sh.value_data) == joiner(reference_shape.value_data)
def test_transformers_can_be_stacked():
sh = TM.shape((1, 1))
green = Color((0, 255, 0))
sh.context.color = "red"
sh.context.background = green
sh.context.effects = TM.Effects.underline
sh[0, 0] = "*"
res = tuple(sh[0, 0])
# in SVG land, from where we get the color names, 'green' is 0, 128, 0.
green = Color((0, 255, 0))
assert res == ("*", Color("red"), green, TM.Effects.underline)
sh.context.transformers.append(TM.Transformer(char=lambda value: "."))
res = tuple(sh[0, 0])
assert res == (".", Color("red"), green, TM.Effects.underline)
sh.context.transformers.append(
TM.Transformer(foreground=lambda value: TM.Color(
(value.green, value.blue, value.red))))
res = tuple(sh[0, 0])
assert res == (".", Color("blue"), green, TM.Effects.underline)
sh.context.transformers.append(
TM.Transformer(background=lambda value: TM.Color(
(value.green, value.blue, value.red))))
res = tuple(sh[0, 0])
assert res == (".", Color("blue"), Color("red"), TM.Effects.underline)
sh.context.transformers.append(
TM.Transformer(effects=lambda value: value | TM.Effects.blink))
res = tuple(sh[0, 0])
assert res == (".", Color("blue"), Color("red"),
TM.Effects.underline | TM.Effects.blink)
def main():
values = []
total = int(sys.argv[1]) if len(sys.argv) > 1 else 512
include_empties = len(sys.argv) > 3
for i in range(total):
new = shape((3, 3))
if i & 1:
new[1, 1] = "#"
elif not include_empties:
continue
if i & 0b10:
new[1, 0] = "#"
if i & 0b100:
new[0, 1] = "#"
if i & 0b1000:
new[2, 1] = "#"
if i & 0b10000:
new[1, 2] = "#"
if i & 0b100000:
new[0, 0] = "#"
if i & 0b1000000:
new[2, 0] = "#"
if i & 0b10000000:
new[0, 2] = "#"
if i & 0b100000000:
new[2, 2] = "#"
values.append(
value_template.format(
*["".join(new.value_data[i:i + 3]) for i in range(0, 9, 3)]))
return template.format(",\n".join(values))
def test_transform_pixel_channel_works():
sh = TM.shape((1,1))
def new_pixel(value):
return "*", TM.Color("red"), TM.Color("blue"), TM.Effects.underline
sh.context.transformers.append(TM.Transformer(pixel=new_pixel, background=TM.Color("green")))
assert tuple(sh[0,0]) == ("*", TM.Color("red"), TM.Color("green"), TM.Effects.underline)
def test_transformer_dependency_injection_pixel_parameter():
sh = TM.shape((1,1))
sh[0,0] = "a"
sh.context.transformers.append(TM.Transformer(effects=lambda pixel: TM.Effects.underline if pixel.value.isupper() else TM.Effects.none))
assert sh[0,0].effects == TM.Effects.none
sh[0,0] = "A"
assert sh[0,0].effects == TM.Effects.underline
def test_markmap_indepent_in_different_resolutions():
sh = TM.shape((10, 10))
assert sh.text[1].marks is not sh.text[4].marks
assert sh.text[1].marks is sh.text[1].marks
# Line-break marks inserted with text_plane[1] creation
assert len(sh.text[1].marks) == 10
assert len(sh.text[1].marks.relative_data) == 10
def test_markmap_prepare_copies_data_instance():
sh = TM.shape((10, 10))
m = TM.Mark()
original = mm = sh.text[1].marks
mm = mm.prepare("")
assert original is not mm
assert original.data is not mm.data
def _sprite_from_text_size(self, text_size, text_plane, pos, padding=(0,0)):
text_size = V2(text_size)
text_plane = plane_names[text_plane]
size = text_size * (ceil(1/relative_char_size[text_plane][0]), ceil(1/relative_char_size[text_plane][1]))
shape = terminedia.shape(size + padding)
sprite =Sprite(shape)
sprite.pos = pos
return sprite
def test_transformer_effects_channel_works():
sh = TM.shape((1,1))
sh.context.effects = TM.Effects.underline
sh[0,0] = "*"
assert sh[0,0].effects == TM.Effects.underline
sh.context.transformers.append(TM.Transformer(effects=lambda value: value | TM.Effects.blink))
assert sh[0,0].value == "*"
assert sh[0,0].effects == TM.Effects.blink | TM.Effects.underline
def test_transformer_background_channel_works():
sh = TM.shape((1,1))
sh.context.background = "red"
sh[0,0] = "*"
assert sh[0,0].background == Color("red")
sh.context.transformers.append(TM.Transformer(background=lambda value: TM.Color((value.green, value.blue, value.red))))
assert sh[0,0].value == "*"
assert sh[0,0].background == Color("blue")
def test_transformers_stacked_are_run_in_order():
sh = TM.shape((1,1))
sh.context.color = "red"
sh.context.background = "green"
sh.context.effects = TM.Effects.underline
sh[0,0] = "*"
sh.context.transformers.append(TM.Transformer(char=lambda value: "."))
sh.context.transformers.append(TM.Transformer(char=lambda value: "-" if value == "." else value))
assert sh[0,0].value == "-"
def test_transformers_stack_accepts_insertions():
sh = TM.shape((1,1))
sh.context.color = "red"
sh.context.background = "green"
sh.context.effects = TM.Effects.underline
sh[0,0] = "*"
sh.context.transformers.append(TM.Transformer(char=lambda value: "-" if value == "." else "#"))
assert sh[0,0].value == "#"
sh.context.transformers.insert(0, TM.Transformer(char=lambda value: "."))
assert sh[0,0].value == "-"
def test_text_plane_clear():
sh = TM.shape((10, 10))
sh.text[1].marks[1, 0] = TM.Mark(attributes={"color": TM.Color("yellow")})
sh.text[1][0, 0] = "qazwsx"
assert isinstance(sh.text[1].marks[10, 0], TM.Mark)
assert sh.text[1].plane[1, 0] == "a"
sh.text[1].clear()
assert isinstance(sh.text[1].marks[10, 0], TM.Mark)
assert sh.text[1].plane[1, 0] == " "
assert sh.text[1].marks.get((1, 0), None) is None
def test_markmap_mark_retrieved_at_all_possible_positions(
input_index, expected_at):
sh = TM.shape((10, 10))
m = TM.Mark()
mm = sh.text[1].marks
mm.relative_data.clear()
mm[input_index] = m
for index in expected_at:
assert mm[index] is m
def main(image_paths, size=None, output="", backend="", resolution=""):
"""Displays an image, given in a path, on the terminal.
"""
# TODO add more options to control the output,
# including disabling auto-scaling.
if not image_paths:
image_paths = (default_image, )
context = scr = Screen(backend=backend)
if not size:
size = size_in_pixels(scr.size, resolution=resolution)
else:
size = V2(int(comp) for comp in size.lower().split("x"))
if output:
output_file = open(output, "wt", encoding="utf-8")
context = DummyCtx()
with context:
for img_path in image_paths:
if not resolution:
img = shape(img_path, size=size)
elif resolution == "square":
img = shape(img_path,
size=size,
promote=True,
resolution=resolution)
else:
# For finer than half-block, threshold image prior to rendering
preliminar_img = shape(img_path, size=size, promote=True)
img = shape(size_in_blocks(size, resolution))
preliminar_img.context.transformers.append(
ThresholdTransformer(invert=False))
getattr(img, resolution).draw.blit((0, 0), preliminar_img)
if output:
img.render(output=output_file, backend=backend)
output_file.write("\n")
else:
scr.clear()
with scr.commands:
scr.draw.blit((0, 0), img)
pause()
def main(image_paths):
"""Displays an image, given in a path, on the terminal.
"""
# TODO add more options to control the output,
# including disabling auto-scaling.
if not image_paths:
image_paths = (default_image, )
with Screen() as scr:
for img_path in image_paths:
img = shape(img_path)
with scr.commands:
scr.draw.blit((0, 0), img)
pause()
def test_markmap_mark_deleted_at_all_possible_positions(input_index, marks_at):
sh = TM.shape((10, 10))
mm = sh.text[1].marks
mm.relative_data.clear()
m = TM.Mark()
for index in marks_at:
mm[index] = m
assert mm[input_index] is m
del mm[input_index]
assert mm.get(input_index) is None
with pytest.raises(KeyError):
del mm[input_index]
def test_markmap_works_with_negative_index():
sh = TM.shape((10, 10))
m = TM.Mark()
mm = sh.text[1].marks
mm.relative_data.clear()
mm[-1, 0] = m
assert mm[-1, 0] is m
assert not mm.data
assert len(mm.relative_data) == 1
assert isinstance(first(mm.relative_data.keys())[0], RelativeMarkIndex)
assert isinstance(first(mm.relative_data.keys())[1], int)
def test_markmap_several_marks_at_same_position_retrieved_as_list():
sh = TM.shape((10, 10))
m = TM.Mark()
mm = sh.text[1].marks
mm.relative_data.clear()
mm[9, 0] = m
mm[-1, 0] = m
assert mm[9, 0] == [m, m]
mm[-1, -10] = m
assert mm[9, 0] == [m, m, m]
def test_markmap_mark_retrieved_as_absolute_mark_when_rendering():
sh = TM.shape((10, 10))
m = TM.Mark()
mm = sh.text[1].marks
mm.relative_data.clear()
mm[-1, 0] = m
prepared = mm.prepare("")
assert prepared.is_rendering_copy
assert len(mm.data) == 0 and len(prepared.data) == 1
assert prepared.data[9, 0] is m
mm[-1, -10] = m
prepared = mm.prepare("")
assert prepared.data[9, 0] == [m, m]
def setup(sc):
global tr
class Tr(TM.Transformer):
current_color = TM.Color("yellow")
def foreground(self):
return self.current_color
tr = Tr()
shape = TM.shape((60, 20))
sc.sprites.add(shape)
sc.sprites[0].transformers.append(tr)
shape.draw.fill(color="red")
def _set_mapping(self, mapping):
self.active_mapping = mapping
if id(mapping) in self._shape_cache:
self.sh, self.active_keys, self.toggle_key = self._shape_cache[id(
mapping)]
return
rows = ceil(len(mapping) // self.columns) + 1
sh = terminedia.shape((self.width, rows + 2))
sh.text[1].add_border(transform=terminedia.borders["DOUBLE"])
col_width = (sh.size.x - 2) // self.columns
current_row = 0
if self.custom_context:
sh.context = self.custom_context
else:
sh.context.foreground = terminedia.DEFAULT_FG
current_col = 0
actual_width = min(col_width, self.max_col_width)
commands = [definition[0] for definition in mapping.values()]
if self.bread_crumbs and "back" not in commands:
mapping["<ESC>"] = ("back", "back")
for shortcut, (callback, text) in mapping.items():
sh.text[1][
current_col * col_width + 1,
current_row] = f"[effects: bold|underline]{shortcut}[/effects]{text:>{actual_width - len(shortcut) - 3}s}"
current_row += 1
if current_row >= rows:
current_col += 1
current_row = 0
self.active_keys = {}
for shortcut, definition in mapping.items():
command = definition[0]
# support for control-characters as shortcut:
if len(shortcut) == 2 and shortcut[0] == "^":
shortcut = chr(ord(shortcut[1].upper()) - ord("@"))
elif shortcut[0] == "<" and shortcut[-1] == ">" and hasattr(
KeyCodes, shortcut[1:-1]):
shortcut = getattr(KeyCodes, shortcut[1:-1])
self.active_keys[shortcut] = command
if command == "toggle":
self.toggle_key = shortcut
self._shape_cache[id(mapping)] = sh, self.active_keys, self.toggle_key
self.sh = sh
def main(image_paths, output=""):
"""Displays an image, given in a path, on the terminal.
"""
# TODO add more options to control the output,
# including disabling auto-scaling.
if not image_paths:
image_paths = (default_image, )
scr = Screen()
if output:
output_file = open(output, "wt", encoding="utf-8")
else:
scr.clear()
for img_path in image_paths:
img = shape(img_path, screen=scr)
if output:
img.render(output=output_file)
output_file.write("\n")
else:
with scr.commands:
scr.draw.blit((0, 0), img)
pause()
def styled_text():
sc = TM.Screen((20, 10))
sh = TM.shape((20, 10))
sp1 = sc.data.sprites.add(sh)
text_plane = sh.text[1]
return sc, sh, text_plane
import terminedia as TM
from terminedia.transformers import GradientTransformer
sc = TM.Screen()
a = TM.shape((40, 4))
a.text[4].at((0, 0), "terminedia")
b = TM.Sprite(a)
b.active = True
sc.data.sprites.append(b)
b.pos = (5, 5)
a.context.transformers.append(
GradientTransformer(
TM.Gradient([(0, "blue"), (0.5, "white"), (1, "blue")]),
TM.Directions.LEFT))
sc.update()
def main(shape, resolution=None, clear=False, cycle=False):
"""Quick example to navigate an string-defined shape through
the terminal using the arrow keys! Press <ESC> to exit.
Usage example:
$ terminedia-shapes --custom=" \\n *** \\n * * \\n *** "
"""
# Work around apparent bug in click:
if shape is None:
shape = shape1
if "\\n" in shape:
shape = shape.replace("\\n", "\n")
original_shape = shape
shape = TM.shape(
original_shape,
**({
"color_map": c_map
} if original_shape == shape2 else {}))
shape = TM.FullShape.promote(shape, resolution=resolution)
last_frame = time.time()
time_acumulator = 0
counter = 0
def cycle_color(foreground, tick):
if foreground != TM.DEFAULT_FG:
return foreground
return TM.Color(["red", "blue", "yellow", "lime"][tick % 4])
try:
with keyboard(), Screen(clear_screen=clear) as scr:
# with Screen(clear_screen=True) as scr:
x = scr.get_size()[0] // 2 - 6
y = 0
pos = V2(x, y)
sprite = scr.data.sprites.add(shape, pos, active=True)
if cycle:
sprite.transformers.append(
TM.Transformer(foreground=cycle_color))
while True:
key = inkey()
if key in (K.ESC, "q"):
break
if not clear and key in (K.RIGHT, K.LEFT, K.UP, K.DOWN):
scr.data.draw.rect(sprite.rect, erase=True)
sprite.pos += (
((key == K.RIGHT) - (key == K.LEFT)),
((key == K.DOWN) - (key == K.UP)),
)
scr.update()
current = time.time()
ellapsed = current - last_frame
time_acumulator += ellapsed
counter += 1
pause_time = max(FRAME_DELAY - ellapsed, 0)
time.sleep(pause_time)
last_frame = time.time()
finally:
print(
f"\nTotal frames: {counter}\nAverage time per frame: {time_acumulator / (counter or 1):.04f}"
)
def test_transformer_character_channel_works_with_static_transform():
sh = TM.shape((1, 1))
sh[0, 0] = "*"
assert sh[0, 0].value == "*"
sh.context.transformers.append(TM.Transformer(char="."))
assert sh[0, 0].value == "."
def screen_shape_sprite():
sc = TM.Screen((26, 10))
sh = TM.shape((26, 10))
sp1 = sc.data.sprites.add(sh)
gr = TM.ColorGradient([(0, (0, 0, 0)), (1, (1, 1, 1))])
return sc, sh, sp1, gr
def test_markmap_works():
sh = TM.shape((10, 10))
m = TM.Mark()
sh.text[1].marks[5, 5] = m
assert sh.text[1].marks[5, 5] is m