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authorDylan Araps <dylan.araps@gmail.com>2017-06-26 11:17:16 +1000
committerDylan Araps <dylan.araps@gmail.com>2017-06-26 11:17:16 +1000
commitc9aa00774be94bfde4ddf3912f1941c2a519d834 (patch)
tree5a3c4cc5408aa2d09dc77f7f1f22e7aa555a9195 /pywal/__init__.py
parent4215f700d1154d24e36d7d08509e263100bfbf61 (diff)
General: Move wal into it's own script.
Diffstat (limited to 'pywal/__init__.py')
-rw-r--r--[-rwxr-xr-x]pywal/__init__.py580
1 files changed, 0 insertions, 580 deletions
diff --git a/pywal/__init__.py b/pywal/__init__.py
index fb5861b..af433d7 100755..100644
--- a/pywal/__init__.py
+++ b/pywal/__init__.py
@@ -2,583 +2,3 @@
wal - Generate and change colorschemes on the fly.
Created by Dylan Araps.
"""
-import argparse
-import os
-import pathlib
-import random
-import re
-import shutil
-import subprocess
-import sys
-
-
-__version__ = "0.1.6"
-
-
-# Internal variables.
-COLOR_COUNT = 16
-CACHE_DIR = pathlib.Path.home() / ".cache/wal/"
-
-
-# pylint: disable=too-few-public-methods
-class ColorType(object):
- """Store colors in various formats."""
- plain = []
- xrdb = []
- sequences = []
- shell = []
- scss = []
- css = [":root {"]
- putty = [
- "Windows Registry Editor Version 5.00",
- "[HKEY_CURRENT_USER\\Software\\SimonTatham\\PuTTY\\Sessions\\Wal]",
- ]
-
-
-# pylint: disable=too-few-public-methods
-class Args(object):
- """Store args."""
- notify = True
-
-
-# ARGS {{{
-
-
-def get_args():
- """Get the script arguments."""
- description = "wal - Generate colorschemes on the fly"
- arg = argparse.ArgumentParser(description=description)
-
- # Add the args.
- arg.add_argument("-c", action="store_true",
- help="Delete all cached colorschemes.")
-
- arg.add_argument("-i", metavar="\"/path/to/img.jpg\"",
- help="Which image or directory to use.")
-
- arg.add_argument("-n", action="store_true",
- help="Skip setting the wallpaper.")
-
- arg.add_argument("-o", metavar="\"script_name\"",
- help="External script to run after \"wal\".")
-
- arg.add_argument("-q", action="store_true",
- help="Quiet mode, don\"t print anything and \
- don't display notifications.")
-
- arg.add_argument("-r", action="store_true",
- help="Reload current colorscheme.")
-
- arg.add_argument("-t", action="store_true",
- help="Fix artifacts in VTE Terminals. \
- (Termite, xfce4-terminal)")
-
- arg.add_argument("-v", action="store_true",
- help="Print \"wal\" version.")
-
- return arg.parse_args()
-
-
-def process_args(args):
- """Process args."""
- # If no args were passed.
- if not len(sys.argv) > 1:
- print("error: wal needs to be given arguments to run.\n"
- " Refer to \"wal -h\" for more info.")
- exit(1)
-
- # -q
- if args.q:
- sys.stdout = sys.stderr = open(os.devnull, "w")
- Args.notify = False
-
- # -c
- if args.c:
- shutil.rmtree(CACHE_DIR / "schemes")
- create_cache_dir()
-
- # -r
- if args.r:
- reload_colors(args.t)
-
- # -v
- if args.v:
- print(f"wal {__version__}")
- exit(0)
-
- # -i
- if args.i:
- image = get_image(args.i)
- ColorType.plain = get_colors(image)
-
- if not args.n:
- set_wallpaper(image)
-
- # Set the colors.
- send_sequences(ColorType.plain, args.t)
- export_colors(ColorType.plain)
-
- # -o
- if args.o:
- disown(args.o)
-
-
-# }}}
-
-
-# COLORSCHEME GENERATION {{{
-
-
-def get_image(img):
- """Validate image input."""
- # Check if the user has Imagemagick installed.
- if not shutil.which("convert"):
- print("error: imagemagick not found, exiting...\n"
- "error: wal requires imagemagick to function.")
- exit(1)
-
- image = pathlib.Path(img)
-
- if image.is_file():
- wal_img = image
-
- # Pick a random image from the directory.
- elif image.is_dir():
- file_types = (".png", ".jpg", ".jpeg", ".jpe", ".gif")
-
- # Get the filename of the current wallpaper.
- current_img = pathlib.Path(CACHE_DIR / "wal")
-
- if current_img.is_file():
- current_img = read_file(current_img)
- current_img = os.path.basename(current_img[0])
-
- # Get a list of images.
- images = [img for img in os.listdir(image)
- if img.endswith(file_types) and
- img != current_img]
-
- wal_img = random.choice(images)
- wal_img = pathlib.Path(image / wal_img)
-
- else:
- print("error: No valid image file found.")
- exit(1)
-
- print("image: Using image", wal_img)
- return str(wal_img)
-
-
-def imagemagick(color_count, img):
- """Call Imagemagick to generate a scheme."""
- colors = subprocess.Popen(["convert", img, "+dither", "-colors",
- str(color_count), "-unique-colors", "txt:-"],
- stdout=subprocess.PIPE)
-
- return colors.stdout.readlines()
-
-
-def gen_colors(img):
- """Generate a color palette using imagemagick."""
- # Generate initial scheme.
- raw_colors = imagemagick(COLOR_COUNT, img)
-
- # If imagemagick finds less than 16 colors, use a larger source number
- # of colors.
- index = 0
- while len(raw_colors) - 1 < COLOR_COUNT:
- index += 1
- raw_colors = imagemagick(COLOR_COUNT + index, img)
-
- print("colors: Imagemagick couldn't generate a", COLOR_COUNT,
- "color palette, trying a larger palette size",
- COLOR_COUNT + index)
-
- # Remove the first element, which isn't a color.
- del raw_colors[0]
-
- # Create a list of hex colors.
- return [re.search("#.{6}", str(col)).group(0) for col in raw_colors]
-
-
-def get_colors(img):
- """Generate a colorscheme using imagemagick."""
- # Cache the wallpaper name.
- save_file(img, CACHE_DIR / "wal")
-
- # Cache the sequences file.
- cache_file = pathlib.Path(CACHE_DIR / "schemes" / img.replace("/", "_"))
-
- if cache_file.is_file():
- colors = read_file(cache_file)
- print("colors: Found cached colorscheme.")
-
- else:
- print("colors: Generating a colorscheme...")
- notify("wal: Generating a colorscheme...")
-
- # Generate the colors.
- colors = gen_colors(img)
- colors = sort_colors(colors)
-
- # Cache the colorscheme.
- save_file("\n".join(colors), cache_file)
-
- print("colors: Generated colorscheme")
- notify("wal: Generation complete.")
-
- return colors
-
-
-def sort_colors(colors):
- """Sort the generated colors."""
- sorted_colors = []
- sorted_colors.append(colors[0])
- sorted_colors.append(colors[9])
- sorted_colors.append(colors[10])
- sorted_colors.append(colors[11])
- sorted_colors.append(colors[12])
- sorted_colors.append(colors[13])
- sorted_colors.append(colors[14])
- sorted_colors.append(colors[15])
- sorted_colors.append(set_grey(colors))
- sorted_colors.append(colors[9])
- sorted_colors.append(colors[10])
- sorted_colors.append(colors[11])
- sorted_colors.append(colors[12])
- sorted_colors.append(colors[13])
- sorted_colors.append(colors[14])
- sorted_colors.append(colors[15])
- return sorted_colors
-
-
-# }}}
-
-
-# SEND SEQUENCES {{{
-
-
-def set_special(index, color):
- """Build the escape sequence for special colors."""
- ColorType.sequences.append(f"\\033]{index};{color}\\007")
-
- if index == 10:
- ColorType.xrdb.append(f"URxvt*foreground: {color}")
- ColorType.xrdb.append(f"XTerm*foreground: {color}")
-
- elif index == 11:
- ColorType.xrdb.append(f"URxvt*background: {color}")
- ColorType.xrdb.append(f"XTerm*background: {color}")
-
- elif index == 12:
- ColorType.xrdb.append(f"URxvt*cursorColor: {color}")
- ColorType.xrdb.append(f"XTerm*cursorColor: {color}")
-
- elif index == 66:
- ColorType.xrdb.append(f"*.color{index}: {color}")
- ColorType.xrdb.append(f"*color{index}: {color}")
- ColorType.sequences.append(f"\\033]4;{index};{color}\\007")
-
-
-def set_color(index, color):
- """Build the escape sequence we need for each color."""
- ColorType.xrdb.append(f"*.color{index}: {color}")
- ColorType.xrdb.append(f"*color{index}: {color}")
- ColorType.sequences.append(f"\\033]4;{index};{color}\\007")
- ColorType.shell.append(f"color{index}='{color}'")
- ColorType.css.append(f"\t--color{index}: {color};")
- ColorType.scss.append(f"$color{index}: {color};")
-
- rgb = hex_to_rgb(color)
- ColorType.putty.append(f"\"Colour{index}\"=\"{rgb}\"")
-
-
-def set_grey(colors):
- """Set a grey color based on brightness of color0."""
- return {
- 0: "#666666",
- 1: "#666666",
- 2: "#757575",
- 3: "#999999",
- 4: "#999999",
- 5: "#8a8a8a",
- 6: "#a1a1a1",
- 7: "#a1a1a1",
- 8: "#a1a1a1",
- 9: "#a1a1a1",
- }.get(int(colors[0][1]), colors[7])
-
-
-def send_sequences(colors, vte):
- """Send colors to all open terminals."""
- set_special(10, colors[15])
- set_special(11, colors[0])
- set_special(12, colors[15])
- set_special(13, colors[15])
- set_special(14, colors[0])
-
- # This escape sequence doesn"t work in VTE terminals.
- if not vte:
- set_special(708, colors[0])
-
- # Create the sequences.
- # pylint: disable=W0106
- [set_color(num, color) for num, color in enumerate(colors)]
-
- # Set a blank color that isn"t affected by bold highlighting.
- set_special(66, colors[0])
-
- # Make the terminal interpret escape sequences.
- sequences = fix_escape("".join(ColorType.sequences))
-
- # Get a list of terminals.
- terminals = [f"/dev/pts/{term}" for term in os.listdir("/dev/pts/")
- if len(term) < 4]
- terminals.append(CACHE_DIR / "sequences")
-
- # Send the sequences to all open terminals.
- # pylint: disable=W0106
- [save_file(sequences, term) for term in terminals]
-
- print("colors: Set terminal colors")
-
-
-# }}}
-
-
-# WALLPAPER SETTING {{{
-
-
-def get_desktop_env():
- """Identify the current running desktop environment."""
- desktop = os.getenv("XDG_CURRENT_DESKTOP")
- if desktop:
- return desktop
-
- desktop = os.getenv("DESKTOP_SESSION")
- if desktop:
- return desktop
-
- desktop = os.getenv("GNOME_DESKTOP_SESSION_ID")
- if desktop:
- return "GNOME"
-
- desktop = os.getenv("MATE_DESKTOP_SESSION_ID")
- if desktop:
- return "MATE"
-
-
-def xfconf(path, img):
- """Call xfconf to set the wallpaper on XFCE."""
- disown("xfconf-query", "--channel", "xfce4-desktop",
- "--property", path, "--set", img)
-
-
-def set_desktop_wallpaper(desktop, img):
- """Set the wallpaper for the desktop environment."""
- desktop = str(desktop).lower()
-
- if "xfce" in desktop or "xubuntu" in desktop:
- # XFCE requires two commands since they differ between versions.
- xfconf("/backdrop/screen0/monitor0/image-path", img)
- xfconf("/backdrop/screen0/monitor0/workspace0/last-image", img)
-
- elif "muffin" in desktop or "cinnamon" in desktop:
- subprocess.Popen(["gsettings", "set",
- "org.cinnamon.desktop.background",
- "picture-uri", "file:///" + img])
-
- elif "gnome" in desktop:
- subprocess.Popen(["gsettings", "set",
- "org.gnome.desktop.background",
- "picture-uri", "file:///" + img])
-
- elif "mate" in desktop:
- subprocess.Popen(["gsettings", "set", "org.mate.background",
- "picture-filename", img])
-
-
-def set_wallpaper(img):
- """Set the wallpaper."""
- desktop = get_desktop_env()
-
- if desktop:
- set_desktop_wallpaper(desktop, img)
-
- else:
- if shutil.which("feh"):
- subprocess.Popen(["feh", "--bg-fill", img])
-
- elif shutil.which("nitrogen"):
- subprocess.Popen(["nitrogen", "--set-zoom-fill", img])
-
- elif shutil.which("bgs"):
- subprocess.Popen(["bgs", img])
-
- elif shutil.which("hsetroot"):
- subprocess.Popen(["hsetroot", "-fill", img])
-
- elif shutil.which("habak"):
- subprocess.Popen(["habak", "-mS", img])
-
- else:
- print("error: No wallpaper setter found.")
- return
-
- print("wallpaper: Set the new wallpaper")
- return 0
-
-
-# }}}
-
-
-# EXPORT COLORS {{{
-
-
-def save_colors(colors, export_file, message):
- """Export colors to var format."""
- colors = "\n".join(colors)
- save_file(f"{colors}\n", CACHE_DIR / export_file)
- print(f"export: exported {message}.")
-
-
-def export_rofi(colors):
- """Append rofi colors to the x_colors list."""
- ColorType.xrdb.append(f"rofi.color-window: {colors[0]}, "
- f"{colors[0]}, {colors[10]}")
- ColorType.xrdb.append(f"rofi.color-normal: {colors[0]}, "
- f"{colors[15]}, {colors[0]}, "
- f"{colors[10]}, {colors[0]}")
- ColorType.xrdb.append(f"rofi.color-active: {colors[0]}, "
- f"{colors[15]}, {colors[0]}, "
- f"{colors[10]}, {colors[0]}")
- ColorType.xrdb.append(f"rofi.color-urgent: {colors[0]}, "
- f"{colors[9]}, {colors[0]}, "
- f"{colors[9]}, {colors[15]}")
-
-
-def export_emacs(colors):
- """Set emacs colors."""
- ColorType.xrdb.append(f"emacs*background: {colors[0]}")
- ColorType.xrdb.append(f"emacs*foreground: {colors[15]}")
-
-
-def reload_xrdb(export_file):
- """Merge the colors into the X db so new terminals use them."""
- if shutil.which("xrdb"):
- subprocess.call(["xrdb", "-merge", CACHE_DIR / export_file])
-
-
-def reload_i3():
- """Reload i3 colors."""
- if shutil.which("i3-msg"):
- disown("i3-msg", "reload")
-
-
-def export_colors(colors):
- """Export colors in various formats."""
- save_colors(ColorType.plain, "colors", "plain hex colors")
- save_colors(ColorType.shell, "colors.sh", "shell variables")
-
- # Web based colors.
- ColorType.css.append("}")
- save_colors(ColorType.css, "colors.css", "css variables")
- save_colors(ColorType.scss, "colors.scss", "scss variables")
-
- # Text editor based colors.
- save_colors(ColorType.putty, "colors-putty.reg", "putty theme")
-
- # X based colors.
- export_rofi(colors)
- export_emacs(colors)
- save_colors(ColorType.xrdb, "xcolors", "xrdb colors")
-
- # i3 colors.
- reload_xrdb("xcolors")
- reload_i3()
-
-
-# }}}
-
-
-# OTHER FUNCTIONS {{{
-
-
-def reload_colors(vte):
- """Reload colors."""
- sequence_file = pathlib.Path(CACHE_DIR / "sequences")
-
- if sequence_file.is_file():
- sequences = "".join(read_file(sequence_file))
-
- # If vte mode was used, remove the problem sequence.
- if vte:
- sequences = re.sub(r"\]708;\#.{6}", "", sequences)
-
- # Make the terminal interpret escape sequences.
- print(fix_escape(sequences), end="")
-
- exit(0)
-
-
-def read_file(input_file):
- """Read colors from a file."""
- return open(input_file).read().splitlines()
-
-
-def save_file(colors, export_file):
- """Write the colors to the file."""
- with open(export_file, "w") as file:
- file.write(colors)
-
-
-def create_cache_dir():
- """Alias to create the cache dir."""
- pathlib.Path(CACHE_DIR / "schemes").mkdir(parents=True, exist_ok=True)
-
-
-def hex_to_rgb(color):
- """Convert a hex color to rgb."""
- red, green, blue = list(bytes.fromhex(color.strip("#")))
- return f"{red},{green},{blue}"
-
-
-def fix_escape(string):
- """Decode a string."""
- return bytes(string, "utf-8").decode("unicode_escape")
-
-
-def notify(msg):
- """Send arguements to notify-send."""
- if shutil.which("notify-send") and Args.notify:
- subprocess.Popen(["notify-send", msg],
- stdout=subprocess.DEVNULL,
- stderr=subprocess.DEVNULL,
- preexec_fn=os.setpgrp)
-
-
-def disown(*cmd):
- """Call a system command in the background,
- disown it and hide it's output."""
- subprocess.Popen(["nohup"] + list(cmd),
- stdout=subprocess.DEVNULL,
- stderr=subprocess.DEVNULL,
- preexec_fn=os.setpgrp)
-
-
-# }}}
-
-
-def main():
- """Main script function."""
- create_cache_dir()
- args = get_args()
- process_args(args)
-
- # This saves 10ms.
- # pylint: disable=W0212
- # os._exit(0)
-
-
-if __name__ == "__main__":
- main()