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csv2lit.ino.py
executable file
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csv2lit.ino.py
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#!/usr/bin/env python3
import csv
import datetime as dt
import time
from collections import defaultdict
from dateutil import rrule
from datetime import timedelta
DISPLAY_WIDTH = 212
DISPLAY_HEIGHT = 101
CHAR_WIDTH = 7
MARGIN = 5
def print_header():
print("void setQuoteForMinute(int minute) {")
print(" long option = 0;")
print(" switch (minute) {")
print("")
def print_footer():
print(" } // end switch (minute)")
print("")
print("} // end print_minute()")
def number_of_minutes_in(dt):
return dt.minute + dt.hour*60
def row_to_full_quote(row):
return strip_bad(escape(f"{row['time']} - {row['quote']} - {row['author'].strip()}, {row['book']}"))
def strip_bad(s):
return s.replace('\n', ' ')
def print_words_so_far(words_so_far, cursor, font, fg, bg):
words = ' '.join(words_so_far)
assert cursor[0] + len(words) + MARGIN < DISPLAY_WIDTH, f"too long: {words}, {len(words)*7}"
return f' // display.setCursor({cursor[0]}, {cursor[1]});\n // display.println("{words}");'
#return f'paint.Paint_DrawString_EN({cursor[0]}, {cursor[1]}, "{' '.join(words_so_far)}", &Font{font}, {fg}, {bg});'
def quote_to_print_lines(row, margin=5, font=12):
char_width=7
char_v_baseline = 3
code = []
words_so_far = []
cursor= (margin, margin)
quote = strip_bad(escape(row['quote'])).replace(row['time_string'], "TIMESTRING")
timestring_cursor = None
for word in quote.split():
if "TIMESTRING" in word:
print(f"// DEBUG: Wrorking on the timestring")
if cursor[0] + len(row['time_string'])*char_width + 1 < DISPLAY_WIDTH - margin:
timestring_cursor = cursor
cursor = (cursor[0] + len(row['time_string'])*char_width + 1, cursor[1])
else:
# We won't fit on this row, let's flush the buffer to make room
# and mark where the cursor would go next
drawing_cursor = (margin, cursor[1])
code.append(print_words_so_far(words_so_far, drawing_cursor, font, "WHITE", "BLACK"))
words_so_far = []
cursor = (margin, cursor[1] + font)
timestring_cursor = cursor
cursor = (cursor[0] + len(row['time_string'])*char_width, cursor[1])
if cursor[0] + len(word)*char_width + 1 + margin < DISPLAY_WIDTH:
# If we can fit, let's just append the word
words_so_far.append(word)
cursor = (cursor[0] + len(word)*char_width + 1, cursor[1])
assert cursor[0] + margin <= DISPLAY_WIDTH
else:
# We don't fit, so let's flush
drawing_cursor = (margin, cursor[1])
code.append(print_words_so_far(words_so_far, drawing_cursor, font, "WHITE", "BLACK"))
words_so_far = [word]
cursor = (margin + len(word) + 1, cursor[1] + font)
assert cursor[1] + margin <= DISPLAY_HEIGHT, f"too long: {quote}, {cursor[1]}"
# Now we print the time string, which is highlighted
assert timestring_cursor, quote
code.append(print_words_so_far([row['time_string']], timestring_cursor, font, "BLACK", "WHITE"))
# Now we print the attribution, which is right justified and properly formatted
attribution_string = format_att_string(row, margin, char_width)
x = DISPLAY_WIDTH - margin - len(attribution_string)*char_width
assert x > 0, f"att string too long: '{attribution_string}', needs an x of {x}"
y = DISPLAY_WIDTH - margin - font - char_v_baseline
cursor = (x, y)
code.append(print_words_so_far([attribution_string], cursor, font, "WHITE", "BLACK"))
return code
def format_att_string(row, margin=MARGIN, char_width=7):
if row['author'].strip() == "":
return f"- {row['book']}"
elif row['book'].strip() == "":
return f"- {row['author']}"
else:
att = f"- {row['author'].strip()}, {row['book']}"
x = DISPLAY_WIDTH - margin - len(att)*char_width
if x < 0:
att = f"- {row['book'].strip()}"
x = DISPLAY_WIDTH - margin - len(att)*char_width
if x > 0:
return att
else:
att = f"- {row['author'].strip()}"
return att
else:
return att
def print_code_for_a_single_quote(row, indent):
full_quote = row_to_full_quote(row)
print(f'{" "*indent}Serial.println(F("{full_quote}"));')
for line in quote_to_print_lines(row):
print(f'{" "*indent}{line}')
def escape(s, quote='"'):
return s.replace(quote, f"\{quote}")
def boldit(quote, row):
timestring = row['time_string']
if timestring not in quote:
raise Exception(f"No '{timestring}' in {quote}")
return quote.replace(timestring, f"* {timestring} *", 1)
def print_code_for_a_minute(rows, minute_str, minute_dt):
minute_number = number_of_minutes_in(minute_dt)
print(f" // Codegen for {minute_str} for {len(rows)} quotations:")
print(f" case {minute_number}:")
if len(rows) == 0:
print(f' // No quotes for {minute_str}')
print(' quote = "";')
print(' attribution = "";')
print(f' return;')
elif len(rows) == 1:
print(f' // Only one option for {minute_str}:"')
quote = strip_bad(escape(rows[0]['quote']))
if len(quote) >= 180:
raise Exception(f"{minute_number} Quote too long {len(quote)} for screen: {quote}")
quote = boldit(quote, rows[0])
print(f' quote = F("{quote}");')
print(f' attribution = F("{format_att_string(rows[0])}");')
# print_code_for_a_single_quote(rows[0], indent=4)
print(f" return;")
else:
print(f' option = random(0, {len(rows)});')
print(f' // {len(rows)} options for {minute_str}')
print(' switch (option) {')
counter = 0
for row in rows:
print(f" case {counter}:")
#print_code_for_a_single_quote(rows[counter], indent=10)
quote = strip_bad(escape(rows[counter]['quote']))
if len(quote) >= 180:
raise Exception(f"{minute_number} Quote too long {len(quote)} for screen: {quote}")
quote = boldit(quote, rows[counter])
print(f' quote = F("{quote}");')
print(f' attribution = F("{format_att_string(row)}");')
print(f' return;')
counter = counter + 1
print(' } // end switch (option)')
print("")
def print_code_for_each_minute(buckets):
dstart = dt.datetime(1, 1, 1)
# I don't really like "military time", but 12:HH is OK.
# That means I want to go from 00:00 -> 12:59
dend = dstart + timedelta(hours=23, minutes=59)
for minute_dt in rrule.rrule(rrule.MINUTELY, dtstart=dstart, until=dend):
minute_str = minute_dt.strftime("%H:%M")
print_code_for_a_minute(buckets[minute_str], minute_str, minute_dt)
def print_code(csv):
buckets = defaultdict(list)
for row in csv:
buckets[row['time']].append(row)
print_code_for_each_minute(buckets)
if __name__ == '__main__':
print_header()
with open('litclock_expanded_meridiem.csv') as f:
csv = csv.DictReader(f, delimiter='|')
print_code(csv)
print_footer()