1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
#!/usr/bin/env python3
from datetime import datetime
from sys import argv
from urllib.parse import urljoin
from lxml.builder import E
from lxml.etree import CDATA, indent, tostring
from helpers import (
DATE_FORMATTERS,
guess_language,
read_concerts,
tmplocale,
touchup_plaintext,
)
TIMEZONE = datetime.now().astimezone().tzinfo
NOW = datetime.now(tz=TIMEZONE)
DATE_FORMAT = '%-d %b %Y %H:%M %z'
# TODO: add item pubDate
LOCALIZED_TEXT = {
'en': {
'title': 'Bellefeuille Quartet',
'indexpath': 'en/',
'description': 'News from the Bellefeuille quartet',
},
'fr': {
'title': 'Quatuor Bellefeuille',
'indexpath': '/',
'description': 'Des nouvelles du quatuor Bellefeuille',
},
}
LOCALIZED_FORMATS = {
'en': {
'title': lambda c: f'{c.time.strftime("%B %-d %Y")} in {c.place}',
},
'fr': {
'title': lambda c: f'{c.time.strftime("%-d %B %Y")} à {c.place}',
},
}
def join(sequence, joiner_factory):
# There's got to be a standard itertools/functools thingy to do that…
result = []
for i, item in enumerate(sequence, start=1):
result.append(item)
if i == len(sequence):
return result
result.append(joiner_factory())
def cdata_concert(concert, lang):
formatters = DATE_FORMATTERS[lang]
blocks = []
if concert.warning is not None:
blocks.append(E.p(concert.warning))
blocks.extend((
E.p(formatters['date'](concert.time)),
E.p(formatters['time'](concert.time)),
E.p(*join(concert.address.splitlines(), E.br)),
E.ol(
*(E.li(touchup_plaintext(p)) for p in concert.pieces.splitlines())
),
*(E.p(line) for line in concert.instructions.splitlines()),
))
return CDATA('\n'.join(
tostring(b, encoding='utf-8').decode() for b in blocks
))
def generate_concert(concert, concerts_url, lang):
formatters = LOCALIZED_FORMATS[lang]
with tmplocale(lang):
title = formatters['title'](concert)
anchor = f'concert-{concert.time.strftime("%F")}'
return E.item(
E.title(title),
E.link(f'{concerts_url}#{anchor}'),
E.description(cdata_concert(concert, lang)),
)
def generate_concerts(concerts_src, concerts_url, lang):
return tuple(
generate_concert(c, concerts_url, lang)
for c in read_concerts(concerts_src)
)
def main(concerts_src, feed_dst, domain):
lang = guess_language(concerts_src)
text = LOCALIZED_TEXT[lang]
url = f'https://{domain}'
index_url = urljoin(url, text['indexpath'])
concerts_url = urljoin(index_url, 'concerts.html')
now_formatted = NOW.strftime(DATE_FORMAT)
rss = E.rss(
E.channel(
E.title(text['title']),
E.link(index_url),
E.description(text['description']),
E.image(
E.url(urljoin(url, 'images/logo.svg')),
E.link(concerts_url),
),
E.lastBuildDate(now_formatted),
E.pubDate(now_formatted),
E.language(lang),
*generate_concerts(concerts_src, concerts_url, lang),
),
version='2.0',
)
indent(rss)
with open(feed_dst, 'wb') as feed:
feed.write(tostring(rss, encoding='utf-8', xml_declaration=True))
if __name__ == '__main__':
main(argv[1], argv[2], argv[3])
|
