blob: 82126b77774dc48eb011942bd94225d52edce8fa (
plain)
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
|
import asyncio
import os
import re
import uvicorn
from fastapi import FastAPI, Response
from fastapi.responses import FileResponse
from uvicorn.loops.auto import auto_loop_setup
import htmlcache
import texgen
app = FastAPI()
utaten_pattern = re.compile(r'[a-z0-9]+')
tex_generator = texgen.TexGenerator('pdf_cache', 'temp', 20)
html_cache = htmlcache.HtmlCache('html_cache')
@app.get("/utaten/{item_id}.pdf")
async def get_utaten_lyric_pdf(item_id: str):
try:
print('_get_utaten_tex_source')
tex = await html_cache.get_utaten_tex_source(item_id)
print('xelatex')
pdf_path = await tex_generator.xelatex(tex)
return FileResponse(pdf_path, media_type='application/pdf')
except texgen.TexGenerationError as e:
return Response(content=f'Failed to generate tex file: {e}', status_code=502)
@app.get("/utaten/{item_id}.tex")
async def get_utaten_lyric_tex(item_id: str):
try:
tex = await html_cache.get_utaten_tex_source(item_id)
return Response(content=tex, media_type='application/x-tex')
except htmlcache.TexSourceGenerationError as e:
return Response(content=str(e), status_code=503)
@app.on_event("startup")
async def startup_event():
pass
def setup_loop():
if os.name == 'nt':
# use ProactorEventLoop to support async subprocess on Windows
print('Driving event loop with IOCP.')
loop = asyncio.ProactorEventLoop()
asyncio.set_event_loop(loop)
auto_loop_setup()
if __name__ == '__main__':
setup_loop()
uvicorn.run(
'web:app',
host='127.0.0.1',
port=8000,
log_level='info',
loop='none', # use custom loop initializer
)
|
