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|
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from datetime import datetime, time |
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from math import ceil, cos, pi, radians, sin |
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from typing import Union |
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from astral import LocationInfo, moon |
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from pytz import UTC, timezone |
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from .config import load_config |
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from .times import collect_day_parts |
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HOURS_AMPM = ( |
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'Midnight', |
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'1a', |
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'2a', |
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'3a', |
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'4a', |
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'5a', |
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'6a', |
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'7a', |
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'8a', |
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'9a', |
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'10a', |
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'11a', |
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'Noon', |
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'1p', |
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'2p', |
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'3p', |
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'4p', |
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'5p', |
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'6p', |
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'7p', |
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'8p', |
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'9p', |
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'10p', |
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'11p', |
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) |
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HOURS_24 = ( |
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'Midnight', |
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'1', |
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'2', |
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'3', |
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'4', |
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'5', |
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'6', |
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'7', |
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'8', |
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'9', |
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'10', |
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'11', |
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'Noon', |
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'13', |
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'14', |
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'15', |
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'16', |
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'17', |
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'18', |
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'19', |
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'20', |
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'21', |
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'22', |
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'23', |
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) |
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HOUR_NAMES = ( |
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'Candle', |
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'Ice', |
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'Comet', |
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'Thimble', |
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'Root', |
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'Mist', |
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'Sprout', |
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'Rainbow', |
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'Worm', |
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'Bud', |
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'Blossom', |
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'Ladybug', |
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'Geese', |
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'Dust', |
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'Peach', |
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'Fog', |
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'Acorn', |
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'Gourd', |
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'Soup', |
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'Crow', |
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'Mushroom', |
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'Thunder', |
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'Frost', |
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'Lantern', |
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) |
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SEASONS = ('winter', 'spring', 'summer', 'autumn') |
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def hex_to_rgb(hex_color: str) -> str: |
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r = int(hex_color[1:3], 16) |
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g = int(hex_color[3:5], 16) |
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b = int(hex_color[5:7], 16) |
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return f'rgb({r}, {g}, {b})' |
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def get_utc_offset(utc_time: datetime, local_time: datetime): |
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assert utc_time.tzinfo |
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assert local_time.tzinfo |
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utc = utc_time.replace(tzinfo=None) |
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local = utc_time.replace(tzinfo=None) |
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return (utc - local).total_seconds() |
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def seconds_to_degrees(seconds: float) -> float: |
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one_second = 360 / 86400 |
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return seconds * one_second |
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def indent_lines(string: str, indentation: int = 8) -> str: |
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return '\n'.join((' ' * indentation) + line for line in string.split('\n')) + '\n' |
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def time_to_degrees(timestamp: Union[datetime, time]) -> float: |
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return seconds_to_degrees( |
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timestamp.hour * 3600 + timestamp.minute * 60 + timestamp.second |
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) |
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def hour_name_path(image_width: int, outer_r: float, ring_width: float) -> str: |
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radius = outer_r - ring_width / 2 |
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delta_x = radius * sin(radians(15) / 2) |
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delta_y = radius * (1 - cos(radians(15) / 2)) |
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x1 = image_width / 2 - delta_x |
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y1 = (image_width / 2 - radius) + delta_y |
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return f'''<path id="hour-name-path" d="M {x1} {y1} a {radius} {radius} 15 0 1 {2 * delta_x} 0"></path>''' |
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def hour_marker( |
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hour: int, |
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hour_name: str, |
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image_width: int, |
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outer_r: float, |
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ring_width: float, |
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hour_name_font_size: float, |
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utc_font_size: float, |
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indent: int = 8, |
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) -> str: |
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season = SEASONS[ceil((hour + 1) / 6) - 1] |
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rotation = hour * 15 |
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delta_x = outer_r * sin(radians(15) / 2) |
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delta_y = outer_r * (1 - cos(radians(15) / 2)) |
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s_delta_x = 0 - ring_width * sin(radians(15) / 2) |
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s_delta_y = ring_width * cos(radians(15) / 2) |
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i_delta_x = -2 * (outer_r - ring_width) * sin(radians(15) / 2) |
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x1 = image_width / 2 - delta_x |
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y1 = (image_width / 2 - outer_r) + delta_y |
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hour_name_y = image_width / 2 - outer_r + ring_width / 2 + hour_name_font_size / 4 |
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utc_hour_y = image_width / 2 - outer_r + ring_width + utc_font_size |
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ret = f'''<g class="hour {season}" transform="rotate(-172.5, {image_width / 2}, {image_width / 2}) rotate({rotation}, {image_width / 2}, {image_width / 2})"> |
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<path |
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d="M {x1} {y1} a {outer_r} {outer_r} 15 0 1 {2 * delta_x} 0 l {s_delta_x} {s_delta_y} a {outer_r - ring_width} {outer_r - ring_width} 15 0 0 {i_delta_x} 0 z"></path> |
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<text |
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x="{image_width / 2}" |
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y="{hour_name_y}" |
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text-anchor="middle" |
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dominant-baseline="mathematical" |
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font-size="{hour_name_font_size}"><textPath xlink:href="#hour-name-path" startOffset="50%">{hour_name}</textPath></text> |
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<text |
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transform="rotate(-7.5, {image_width / 2}, {image_width / 2})" |
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class="utc" |
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x="{image_width / 2}" |
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y="{utc_hour_y}" |
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text-anchor="middle" |
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dominant-baseline="mathematical" |
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font-size="{utc_font_size}">U {hour:02d}</text> |
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</g>''' |
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return indent_lines(ret, indent) |
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def local_hour( |
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image_width: int, |
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outer_r: float, |
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hour_num: int, |
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hour: str, |
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font_size: float, |
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indent: int = 8, |
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) -> str: |
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rotation = hour_num * 15 |
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return indent_lines( |
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f'''<text |
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transform="rotate(180, {image_width / 2}, {image_width / 2}) rotate({rotation}, {image_width / 2}, {image_width / 2})" |
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class="local-hour" |
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x="{image_width / 2}" |
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y="{image_width / 2 - outer_r - font_size / 2}" |
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text-anchor="middle" |
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font-size="{font_size}">{hour}</text>''', |
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indent, |
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) |
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def get_range_path( |
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image_width: int, |
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radius: float, |
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range_name: str, |
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start_time: time, |
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end_time: time, |
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outer: bool = True, |
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indent: int = 8, |
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) -> str: |
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start_deg = time_to_degrees(start_time) |
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end_deg = time_to_degrees(end_time) |
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start_delta_x = radius * sin(radians(start_deg)) |
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start_delta_y = radius * (1 - cos(radians(start_deg))) |
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end_delta_x = radius * sin(radians(end_deg)) |
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end_delta_y = radius * (1 - cos(radians(end_deg))) |
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deg_diff = end_deg - start_deg |
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large_arc_flag = 0 if abs(deg_diff) >= 180 else 1 |
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return indent_lines( |
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f'''<path |
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class="{range_name}" |
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d="M {image_width / 2} {image_width / 2} |
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L {image_width / 2 - start_delta_x} {image_width / 2 + radius - start_delta_y} |
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A {radius} {radius} {end_deg - start_deg} {large_arc_flag} 0 {image_width / 2 - end_delta_x} {image_width / 2 + radius - end_delta_y} |
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z"></path>''', |
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indent, |
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) |
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def get_moon_path(image_width: int, radius: float, moon_phase: float, indent: int = 8): |
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handle_x_pos = radius * 1.34 |
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handle_y_pos = radius * 0.88 |
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min_x = image_width / 2 - handle_x_pos |
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max_x = min_x + 2 * handle_x_pos |
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top_y = image_width / 2 - handle_y_pos |
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bottom_y = image_width / 2 + handle_y_pos |
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if moon_phase < 14: |
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h1_x = min_x + 2 * handle_x_pos * (1 - moon_phase / 14) |
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h2_x = max_x |
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else: |
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h1_x = min_x |
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h2_x = max_x + 2 * handle_x_pos * (1 - moon_phase / 14) |
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ret = f'''<path |
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class="moon" |
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d="M {image_width / 2} {image_width / 2 - radius} |
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C {h1_x} {top_y}, {h1_x} {bottom_y}, {image_width / 2} {image_width / 2 + radius} |
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C {h2_x} {bottom_y}, {h2_x} {top_y}, {image_width / 2} {image_width / 2 - radius}"></path>''' |
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return indent_lines(ret, indent) |
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def get_svg_data( |
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local_time: datetime, |
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image_width: int = 700, |
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line_width: str = '2px', |
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line_color: str = '#eebb55', |
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utc_color: str = '#5b4426', |
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hname_stroke_color: str = '#000000', |
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winter_color: str = '#463e6c', |
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spring_color: str = '#375737', |
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summer_color: str = '#715c2b', |
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autumn_color: str = '#6c442c', |
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night_color: str = '#13111e', |
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blue_color: str = '#090177', |
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golden_color: str = '#aa842c', |
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day_color: str = '#7dc5f0', |
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moon_color: str = '#aaaaaa', |
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local_hour_font_size: float = 16.5, |
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hour_name_font_size: float = 13.37699, |
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utc_hour_font_size: float = 15.0234, |
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hour_24: bool = True, |
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) -> str: |
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line_rgb = hex_to_rgb(line_color) |
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hname_stroke_rgb = hex_to_rgb(hname_stroke_color) |
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utc_rgb = hex_to_rgb(utc_color) |
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winter_rgb = hex_to_rgb(winter_color) |
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spring_rgb = hex_to_rgb(spring_color) |
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summer_rgb = hex_to_rgb(summer_color) |
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autumn_rgb = hex_to_rgb(autumn_color) |
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night_rgb = hex_to_rgb(night_color) |
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blue_rgb = hex_to_rgb(blue_color) |
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golden_rgb = hex_to_rgb(golden_color) |
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day_rgb = hex_to_rgb(day_color) |
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moon_rgb = hex_to_rgb(moon_color) |
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hours = HOURS_24 if hour_24 else HOURS_AMPM |
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outer_r = image_width / 2 - 3 * hour_name_font_size |
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ring_width = hour_name_font_size * 3 |
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utc_time = local_time.astimezone(UTC) |
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utc_naive = utc_time.replace(tzinfo=None) |
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local_naive = local_time.replace(tzinfo=None) |
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offset = (local_naive - utc_naive).total_seconds() |
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config = load_config() |
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location = LocationInfo( |
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config['city'], |
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config['country'], |
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config['timezone'], |
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config['latitude'], |
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config['longitude'], |
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) |
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local_tz = location.tzinfo |
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day_parts = collect_day_parts(location.observer, local_time) |
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day_parts_dict = dict(part[0:2] for part in day_parts) |
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morning_blue_start = day_parts_dict.pop('morning_blue_start') |
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morning_blue_end = day_parts_dict.pop('morning_golden_start') |
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morning_golden_end = day_parts_dict.pop('morning_golden_end') |
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evening_golden_start = day_parts_dict.pop('evening_golden_start') |
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evening_blue_start = day_parts_dict.pop('evening_blue_start') |
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evening_blue_end = day_parts_dict.pop('evening_blue_end') |
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moon_phase = moon.phase(local_time) |
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noon = day_parts_dict.pop('noon') |
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midnight = day_parts_dict.pop('midnight') |
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ret = f'''<svg width="{image_width}" height="{image_width}" xmlns:xlink="http://www.w3.org/1999/xlink"> |
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<style> |
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.hour path {{stroke: {hname_stroke_rgb}; stroke-width: {line_width};}} |
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.hour text {{stroke: none; fill: {line_rgb};}} |
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.hour text.utc {{stroke: none; fill: {utc_rgb};}} |
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.winter path {{fill: {winter_rgb};}} |
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.spring path {{fill: {spring_rgb};}} |
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.summer path {{fill: {summer_rgb};}} |
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.autumn path {{fill: {autumn_rgb};}} |
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.local-hour {{stroke: none; fill: {line_rgb};}} |
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.night-time {{stroke: none; fill: {night_rgb};}} |
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.blue-hour {{stroke: none; fill: {blue_rgb};}} |
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.golden-hour {{stroke: none; fill: {golden_rgb};}} |
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.day-time {{stroke: none; fill: {day_rgb};}} |
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.marker {{stroke: {night_rgb}; stroke-width: 2px; fill: none;}} |
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.moon-background {{stroke: {moon_rgb}; stroke-width: 2px; fill: {night_rgb};}} |
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.moon {{stroke: none; fill: {moon_rgb};}} |
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.sun {{stroke: none; fill: {line_rgb};}} |
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.dial {{stroke-width: 2px; stroke: {line_rgb};}} |
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</style> |
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<defs> |
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{hour_name_path(image_width, outer_r, ring_width)} |
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</defs> |
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<rect x="0" y="0" width="{image_width}" height="{image_width}" style="stroke: none; fill: {night_rgb};"></rect> |
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<g id="local-clock">\n''' |
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for hour in range(24): |
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ret += local_hour( |
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image_width, outer_r, hour, hours[hour], local_hour_font_size, indent=8 |
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) |
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ret += f''' </g> |
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<g id="seasonal-clock" transform="rotate({seconds_to_degrees(offset)}, {image_width / 2}, {image_width / 2})"> |
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''' |
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for hour in range(24): |
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ret += hour_marker( |
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hour, |
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HOUR_NAMES[hour], |
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image_width, |
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outer_r, |
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ring_width, |
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hour_name_font_size, |
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utc_hour_font_size, |
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indent=8, |
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) |
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marker_radius = outer_r - ring_width - 2 * utc_hour_font_size |
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ret += f''' <circle cx="{image_width / 2}" cy="{image_width / 2}" r="{marker_radius}" class="day-time"></circle>\n''' |
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ret += get_range_path( |
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image_width, |
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marker_radius, |
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'golden-hour', |
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morning_golden_end.time(), |
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evening_golden_start.time(), |
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) |
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sun_radius = 10 |
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ret += f''' <circle cx="{image_width / 2}" cy="{image_width / 2 + outer_r / 2 + sun_radius}" r="{sun_radius}" class="sun" transform="rotate({time_to_degrees(local_time.astimezone(UTC))}, {image_width / 2}, {image_width / 2})"></circle>\n''' |
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ret += get_range_path( |
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image_width, |
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marker_radius, |
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'blue-hour', |
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morning_blue_end.time(), |
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evening_blue_start.time(), |
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) |
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ret += get_range_path( |
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image_width, |
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marker_radius, |
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'night-time', |
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morning_blue_start.time(), |
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evening_blue_end.time(), |
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) |
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|
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ret += f''' <circle cx="{image_width / 2}" cy="{image_width / 2}" r="{marker_radius}" class="marker"></circle> |
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</g> |
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<g>\n''' |
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moon_radius = 50 |
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ret += f''' <circle cx="{image_width / 2}" cy="{image_width / 2}" r="{moon_radius}" class="moon-background"></circle>\n''' |
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ret += get_moon_path(image_width, moon_radius, moon_phase, indent=8) |
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ret += f''' </g> |
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<line |
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style="stroke: red;" |
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transform="rotate({time_to_degrees(midnight.astimezone(local_tz))}, {image_width / 2}, {image_width / 2})" |
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x1="{image_width / 2}" |
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y1="{image_width / 2 + marker_radius - sun_radius}" |
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x2="{image_width / 2}" |
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y2="{image_width / 2 + marker_radius}"></line> |
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<line |
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style="stroke: red;" |
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transform="rotate({time_to_degrees(noon.astimezone(local_tz))}, {image_width / 2}, {image_width / 2})" |
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x1="{image_width / 2}" |
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y1="{image_width / 2 + marker_radius - sun_radius}" |
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x2="{image_width / 2}" |
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y2="{image_width / 2 + marker_radius}"></line> |
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<line |
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id="dial" |
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transform="rotate({time_to_degrees(local_time)}, {image_width / 2}, {image_width / 2})" |
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class="dial" |
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x1="{image_width / 2}" |
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y1="{image_width / 2 + outer_r * 0.5}" |
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x2="{image_width / 2}" |
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y2="{image_width / 2 + outer_r - ring_width + hour_name_font_size}"></line> |
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</svg> |
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''' |
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return ret |
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|
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|
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def print_svg(): |
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utc_now = datetime.utcnow().replace(tzinfo=UTC) |
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local_now = utc_now.astimezone(timezone('Europe/Budapest')) |
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print(get_svg_data(local_now)) |
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Reference in new issue