map-machine/roentgen/ui.py
2021-07-12 02:47:40 +03:00

139 lines
3.7 KiB
Python

"""
Command-line user interface.
"""
import argparse
import sys
from typing import List, Optional
__author__ = "Sergey Vartanov"
__email__ = "me@enzet.ru"
BOXES: List[str] = [" ", "", "", "", "", "", "", ""]
BOXES_LENGTH: int = len(BOXES)
AUTHOR_MODE: str = "author"
TIME_MODE: str = "time"
def parse_options(args) -> argparse.Namespace:
"""
Parse Röntgen command-line options.
"""
parser = argparse.ArgumentParser(
description="Röntgen. OpenStreetMap renderer with custom icon set"
)
subparser = parser.add_subparsers(dest="command")
render = subparser.add_parser("render")
icons = subparser.add_parser("icons")
mapcss = subparser.add_parser("mapcss")
tile = subparser.add_parser("tile")
render.add_argument(
"-i",
"--input",
dest="input_file_name",
metavar="<path>",
nargs="*",
help="input XML file name or names (if not specified, file will be "
"downloaded using OpenStreetMap API)",
)
render.add_argument(
"-o",
"--output",
dest="output_file_name",
metavar="<path>",
default="out/map.svg",
help="output SVG file name (out/map.svg by default)",
)
render.add_argument(
"-b",
"--boundary-box",
metavar="<lon1>,<lat1>,<lon2>,<lat2>",
help='geo boundary box, use space before "-" if the first value is '
"negative",
)
render.add_argument(
"-s",
"--scale",
metavar="<float>",
help="OSM zoom level (may not be integer, default is 18)",
default=18,
type=float,
)
render.add_argument(
"--cache",
help="path for temporary OSM files",
default="cache",
metavar="<path>",
)
render.add_argument(
"--labels",
help="label drawing mode: `no`, `main`, or `all`",
dest="label_mode",
default="main",
)
render.add_argument(
"--overlap",
dest="overlap",
default=12,
type=int,
help="how many pixels should be left around icons and text",
)
render.add_argument("--mode", default="normal")
render.add_argument("--seed", default="")
render.add_argument("--level", default=None)
tile.add_argument("-c")
tile.add_argument("-s")
tile.add_argument("-t")
tile.add_argument(
"--cache",
help="path for temporary OSM files",
default="cache",
metavar="<path>",
)
arguments: argparse.Namespace = parser.parse_args(args[1:])
return arguments
def progress_bar(
number: int, total: int, length: int = 20, step: int = 1000, text: str = ""
) -> None:
"""
Draw progress bar using Unicode symbols.
:param number: current value
:param total: maximum value
:param length: progress bar length.
:param step: frequency of progress bar updating (assuming that numbers go
subsequently)
:param text: short description
"""
if number == -1:
print(f"100 % {length * ''}{text}")
elif number % step == 0:
ratio: float = number / total
parts: int = int(ratio * length * BOXES_LENGTH)
fill_length: int = int(parts / BOXES_LENGTH)
box: str = BOXES[int(parts - fill_length * BOXES_LENGTH)]
print(
f"{str(int(int(ratio * 1000) / 10)):>3} % {fill_length * ''}{box}"
f"{int(length - fill_length - 1) * ' '}{text}"
)
sys.stdout.write("\033[F")
def error(message: Optional[str] = None):
"""
Print error message.
:param message: message to print.
"""
if message:
print(f"Error: {message}.")
else:
print("Error.")