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"""
Export colors in various formats.
"""
import logging
import os
import re
from .settings import CACHE_DIR, MODULE_DIR, CONF_DIR
from . import util
def template(colors, input_file, output_file=None):
"""Read template file, substitute markers and
save the file elsewhere."""
template_data = util.read_file_raw(input_file)
for i in range(len(template_data)):
line = template_data[i]
matches = re.finditer(r"(?<=(?<!\{))(\{([^{}]+)\})(?=(?!\}))", line)
for match in matches:
# Get the color, and the functions associated with it
color, _, funcs = match.group(2).partition(".")
#Check that functions are needed for this color
if len(funcs) != 0:
#Build up a string which will be replaced when the color is done processing
replace_str = color
#The modified color
new_color = colors[color]
#Execute each function to be done
for func in filter(None,funcs.split(")")):
### Get function name and arguments
func_split = func.split("(")
args = []
if len(func_split) > 1: args = func_split[1].split(",")
fname = func_split[0]
if fname[0] == '.': fname = fname[1:]
f = getattr(new_color, fname)
# If the function is callable, call it
if callable(f):
new_color = f(*args)
#add to the string that will replace the function calls with the generated function.
if func[0] != '.': replace_str += "."
replace_str += func + ")"
#If the color was changed, replace the template with a unique identifier for the new color.
if not new_color is colors[color]:
cname = "color" + new_color.strip
template_data[i] = line.replace(replace_str, cname)
colors[cname] = new_color
try:
template_data = "".join(template_data).format(**colors)
except ValueError:
logging.error("Syntax error in template file '%s'.", input_file)
return
util.save_file(template_data, output_file)
def flatten_colors(colors):
"""Prepare colors to be exported.
Flatten dicts and convert colors to util.Color()"""
all_colors = {"wallpaper": colors["wallpaper"],
"alpha": colors["alpha"],
**colors["special"],
**colors["colors"]}
return {k: util.Color(v) for k, v in all_colors.items()}
def get_export_type(export_type):
"""Convert template type to the right filename."""
return {
"css": "colors.css",
"dmenu": "colors-wal-dmenu.h",
"dwm": "colors-wal-dwm.h",
"st": "colors-wal-st.h",
"tabbed": "colors-wal-tabbed.h",
"gtk2": "colors-gtk2.rc",
"json": "colors.json",
"konsole": "colors-konsole.colorscheme",
"kitty": "colors-kitty.conf",
"plain": "colors",
"putty": "colors-putty.reg",
"rofi": "colors-rofi.Xresources",
"scss": "colors.scss",
"shell": "colors.sh",
"speedcrunch": "colors-speedcrunch.json",
"sway": "colors-sway",
"tty": "colors-tty.sh",
"waybar": "colors-waybar.css",
"xresources": "colors.Xresources",
"xmonad": "colors.hs",
"yaml": "colors.yml",
}.get(export_type, export_type)
def every(colors, output_dir=CACHE_DIR):
"""Export all template files."""
colors = flatten_colors(colors)
template_dir = os.path.join(MODULE_DIR, "templates")
template_dir_user = os.path.join(CONF_DIR, "templates")
util.create_dir(template_dir_user)
join = os.path.join # Minor optimization.
for file in [*os.scandir(template_dir),
*os.scandir(template_dir_user)]:
if file.name != ".DS_Store" and not file.name.endswith(".swp"):
template(colors, file.path, join(output_dir, file.name))
logging.info("Exported all files.")
logging.info("Exported all user files.")
def color(colors, export_type, output_file=None):
"""Export a single template file."""
all_colors = flatten_colors(colors)
template_name = get_export_type(export_type)
template_file = os.path.join(MODULE_DIR, "templates", template_name)
output_file = output_file or os.path.join(CACHE_DIR, template_name)
if os.path.isfile(template_file):
template(all_colors, template_file, output_file)
logging.info("Exported %s.", export_type)
else:
logging.warning("Template '%s' doesn't exist.", export_type)
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