shenbo

import matplotlib.pyplot as plt
import matplotlib.colors as mcolors

for (k, v) in mcolors.BASE_COLORS.items():
    v = "#" + "".join(format(round(val * 255), "02x") for val in v)
    print(f'<font color="{v}"> {k:<10} ■  </font>')

for (k, v) in mcolors.TABLEAU_COLORS.items():
    print(f'<font color="{v}"> {k:<10} ■ </font>')

unfilled_markers = (',', '1', '2', '3', '4', '+', 'x', '|', '_') 
unfilled_markers = (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)           # int
filled_markers = ('.', 'o', 'v', '^', '<', '>', '8', 's', 'p', '*', 'h', 'H', 'D', 'd', 'P', 'X')

# %%
# ============ (2) ==================
import radioactivedecay as rd
import matplotlib.pyplot as plt
# 创建一组放射性源项：Inventory
inv = rd.Inventory({'U-235': 1}, 'Ci')

inv_t1 = inv.decay(50, 'd')
print(inv_t1.activities('Bq'))

# 绘图 
inv.plot(50, 'd')
inv.plot(50, 'd', order='alphabetical')

# %%
import radioactivedecay as rd
import matplotlib.pyplot as plt

from cycler import cycler

plt.rcParams["font.family"] = "monospace"
cm = ['#1f77b4', '#ff7f0e', '#2ca02c', '#d62728', '#9467bd', '#8c564b', '#e377c2', '#7f7f7f', '#bcbd22', '#17becf']
ls = ['-', '--']
mk = ['+', 'x', '*', '^', 's']
me = [31, 71, 91, 113, 161]
cc = (cycler(color=cm) + cycler(linestyle=ls) * (cycler(marker=mk))) + cycler(markevery=me) * 2

DICT = {'U-235': 1e9,
        'Rn-222': 1e9}

TIME = iter([10, 1])

for (hesu, huodu) in DICT.items():
    t1 = next(TIME)
    inv = rd.Inventory({hesu: huodu}, 'Bq')
    inv_t1 = inv.decay(t1, 'd')
    act_t1 = inv_t1.activities('Bq')

    fig_name = f'{hesu} @ {huodu:0.2e} Bq'
    fig_note = f'the Activity after {t1} days of Decay:\n'
    fig_note += '\n'.join(f'- {k} {v:.2e} Bq' for (k, v) in act_t1.items())
    print(fig_name, '\n' ,fig_note)

    fig0 = plt.figure(figsize=(9, 9))
    plt.gca().set_prop_cycle(cc)
   
    fig, ax = inv.plot(t1, 'd', yscale='log', ymin=1e-8, order='alphabetical', fig=fig0)
    plt.title(fig_name)
    plt.text(0.3, 0.1, fig_note, transform=ax.transAxes)
    plt.grid(True, linestyle=':', color='gray', alpha=0.5)

    plt.show()
    fig.savefig(f'decay_activity_{hesu}.png', dpi=300)

# === 1. 获取当前时间，返回指定的字符串 ===
import time 
now = time.strftime('%Y-%m-%d %H:%M:%S')

print(now)

from datetime import datetime
now = datetime.now().strftime('%Y-%m-%d %a %H:%M:%S')

print(now)


# === 2. 将时间字符串， 转化为时间对象 ===

from datetime import datetime
dt = datetime.strptime('2023-01-01 12:00:00', '%Y-%m-%d %H:%M:%S')

import pandas as pd
pd_dt = pd.to_datetime('2023-01-01 12:00', format='%Y-%m-%d %H:%M')

print(dt)
print(pd_dt)

#%%
import radioactivedecay as rd
import matplotlib.pyplot as plt

# 创建一个放射性核素： Nuclide
ncld = rd.Nuclide('U-235')
half = ncld.half_life('readable')    # 半衰期
prog = ncld.progeny()                # 衰变产物
frac = ncld.branching_fractions()    # 占比
mode = ncld.decay_modes()            # 衰变射线类型

print(ncld, mode, prog, frac, half, sep='\n')

# 绘制衰变链
ncld.plot()

#%%
# 列出多个核算衰变类型
NUCs = ['U-235',
        'Pu-239']

for name in NUCs:
    ncld = rd.Nuclide(name)
    half = ncld.half_life('readable')
    prog = ncld.progeny()
    frac = ncld.branching_fractions()
    mode = ncld.decay_modes()
    print(ncld, mode, prog, frac, half, sep='\n')

    fig, ax = ncld.plot()
    fig.savefig(f'decay_chains_{name}.png', dpi=300)

from ics import Calendar
import requests
 
# Parse the URL
url = "https://outlook.live.com/owa/calendar/d82e6afe--XXXX-XXXX/cid-YYYY/calendar.ics"
cal = Calendar(requests.get(url).text)


#%%
# Print all the events
events = sorted(cal.events)
for event in events:
    print(event.begin , event.name )

#%%
timeline = cal.timeline
for tl in timeline:
    print(tl.begin , tl.name )

# %%
# 获取今天及之后的事件
from ics import Calendar
import requests
import arrow

cal = Calendar(requests.get(url).text)

today = arrow.now()
print(today)
today = arrow.now().replace(hour=0, minute=0, second=0, microsecond=0)
print(today)
today = arrow.now().span('day')[0]
print(today)

evts = cal.timeline.start_after(today)

for evt in evts:
    print(evt.begin.strftime("%Y-%m-%d %a %H:%M"), evt.name )

from machine import Pin 
import time

led = Pin('LED', Pin.OUT)
while(True):
    led.on()
    time.sleep(1)
    led.off()
    time.sleep(1)