mirror of
https://github.com/9001/copyparty.git
synced 2025-08-18 01:22:13 -06:00
402 lines
11 KiB
Python
402 lines
11 KiB
Python
# coding: utf-8
|
|
from __future__ import print_function, unicode_literals
|
|
|
|
import os
|
|
import time
|
|
import shutil
|
|
import base64
|
|
import hashlib
|
|
import threading
|
|
import subprocess as sp
|
|
|
|
from .__init__ import PY2, unicode
|
|
from .util import fsenc, vsplit, runcmd, Queue, Cooldown, BytesIO, min_ex
|
|
from .bos import bos
|
|
from .mtag import HAVE_FFMPEG, HAVE_FFPROBE, ffprobe
|
|
|
|
|
|
HAVE_PIL = False
|
|
HAVE_HEIF = False
|
|
HAVE_AVIF = False
|
|
HAVE_WEBP = False
|
|
|
|
try:
|
|
from PIL import Image, ImageOps
|
|
|
|
HAVE_PIL = True
|
|
try:
|
|
Image.new("RGB", (2, 2)).save(BytesIO(), format="webp")
|
|
HAVE_WEBP = True
|
|
except:
|
|
pass
|
|
|
|
try:
|
|
from pyheif_pillow_opener import register_heif_opener
|
|
|
|
register_heif_opener()
|
|
HAVE_HEIF = True
|
|
except:
|
|
pass
|
|
|
|
try:
|
|
import pillow_avif
|
|
|
|
HAVE_AVIF = True
|
|
except:
|
|
pass
|
|
except:
|
|
pass
|
|
|
|
# https://pillow.readthedocs.io/en/stable/handbook/image-file-formats.html
|
|
# ffmpeg -formats
|
|
FMT_PIL = "bmp dib gif icns ico jpg jpeg jp2 jpx pcx png pbm pgm ppm pnm sgi tga tif tiff webp xbm dds xpm"
|
|
FMT_FF = "av1 asf avi flv m4v mkv mjpeg mjpg mpg mpeg mpg2 mpeg2 h264 avc mts h265 hevc mov 3gp mp4 ts mpegts nut ogv ogm rm vob webm wmv"
|
|
|
|
if HAVE_HEIF:
|
|
FMT_PIL += " heif heifs heic heics"
|
|
|
|
if HAVE_AVIF:
|
|
FMT_PIL += " avif avifs"
|
|
|
|
FMT_PIL, FMT_FF = [{x: True for x in y.split(" ") if x} for y in [FMT_PIL, FMT_FF]]
|
|
|
|
|
|
THUMBABLE = {}
|
|
|
|
if HAVE_PIL:
|
|
THUMBABLE.update(FMT_PIL)
|
|
|
|
if HAVE_FFMPEG and HAVE_FFPROBE:
|
|
THUMBABLE.update(FMT_FF)
|
|
|
|
|
|
def thumb_path(histpath, rem, mtime, fmt):
|
|
# base16 = 16 = 256
|
|
# b64-lc = 38 = 1444
|
|
# base64 = 64 = 4096
|
|
rd, fn = vsplit(rem)
|
|
if rd:
|
|
h = hashlib.sha512(fsenc(rd)).digest()
|
|
b64 = base64.urlsafe_b64encode(h).decode("ascii")[:24]
|
|
rd = "{}/{}/".format(b64[:2], b64[2:4]).lower() + b64
|
|
else:
|
|
rd = "top"
|
|
|
|
# could keep original filenames but this is safer re pathlen
|
|
h = hashlib.sha512(fsenc(fn)).digest()
|
|
fn = base64.urlsafe_b64encode(h).decode("ascii")[:24]
|
|
|
|
return "{}/th/{}/{}.{:x}.{}".format(
|
|
histpath, rd, fn, int(mtime), "webp" if fmt == "w" else "jpg"
|
|
)
|
|
|
|
|
|
class ThumbSrv(object):
|
|
def __init__(self, hub):
|
|
self.hub = hub
|
|
self.asrv = hub.asrv
|
|
self.args = hub.args
|
|
self.log_func = hub.log
|
|
|
|
res = hub.args.th_size.split("x")
|
|
self.res = tuple([int(x) for x in res])
|
|
self.poke_cd = Cooldown(self.args.th_poke)
|
|
|
|
self.mutex = threading.Lock()
|
|
self.busy = {}
|
|
self.stopping = False
|
|
self.nthr = os.cpu_count() if hasattr(os, "cpu_count") else 4
|
|
self.q = Queue(self.nthr * 4)
|
|
for n in range(self.nthr):
|
|
t = threading.Thread(
|
|
target=self.worker, name="thumb-{}-{}".format(n, self.nthr)
|
|
)
|
|
t.daemon = True
|
|
t.start()
|
|
|
|
if not self.args.no_vthumb and (not HAVE_FFMPEG or not HAVE_FFPROBE):
|
|
missing = []
|
|
if not HAVE_FFMPEG:
|
|
missing.append("FFmpeg")
|
|
|
|
if not HAVE_FFPROBE:
|
|
missing.append("FFprobe")
|
|
|
|
msg = "cannot create video thumbnails because some of the required programs are not available: "
|
|
msg += ", ".join(missing)
|
|
self.log(msg, c=3)
|
|
|
|
if self.args.th_clean:
|
|
t = threading.Thread(target=self.cleaner, name="thumb-cleaner")
|
|
t.daemon = True
|
|
t.start()
|
|
|
|
def log(self, msg, c=0):
|
|
self.log_func("thumb", msg, c)
|
|
|
|
def shutdown(self):
|
|
self.stopping = True
|
|
for _ in range(self.nthr):
|
|
self.q.put(None)
|
|
|
|
def stopped(self):
|
|
with self.mutex:
|
|
return not self.nthr
|
|
|
|
def get(self, ptop, rem, mtime, fmt):
|
|
histpath = self.asrv.vfs.histtab[ptop]
|
|
tpath = thumb_path(histpath, rem, mtime, fmt)
|
|
abspath = os.path.join(ptop, rem)
|
|
cond = threading.Condition(self.mutex)
|
|
do_conv = False
|
|
with self.mutex:
|
|
try:
|
|
self.busy[tpath].append(cond)
|
|
self.log("wait {}".format(tpath))
|
|
except:
|
|
thdir = os.path.dirname(tpath)
|
|
bos.makedirs(thdir)
|
|
|
|
inf_path = os.path.join(thdir, "dir.txt")
|
|
if not bos.path.exists(inf_path):
|
|
with open(inf_path, "wb") as f:
|
|
f.write(fsenc(os.path.dirname(abspath)))
|
|
|
|
self.busy[tpath] = [cond]
|
|
do_conv = True
|
|
|
|
if do_conv:
|
|
self.q.put([abspath, tpath])
|
|
self.log("conv {} \033[0m{}".format(tpath, abspath), c=6)
|
|
|
|
while not self.stopping:
|
|
with self.mutex:
|
|
if tpath not in self.busy:
|
|
break
|
|
|
|
with cond:
|
|
cond.wait(3)
|
|
|
|
try:
|
|
st = bos.stat(tpath)
|
|
if st.st_size:
|
|
return tpath
|
|
except:
|
|
pass
|
|
|
|
return None
|
|
|
|
def worker(self):
|
|
while not self.stopping:
|
|
task = self.q.get()
|
|
if not task:
|
|
break
|
|
|
|
abspath, tpath = task
|
|
ext = abspath.split(".")[-1].lower()
|
|
fun = None
|
|
if not bos.path.exists(tpath):
|
|
if ext in FMT_PIL:
|
|
fun = self.conv_pil
|
|
elif ext in FMT_FF:
|
|
fun = self.conv_ffmpeg
|
|
|
|
if fun:
|
|
try:
|
|
fun(abspath, tpath)
|
|
except:
|
|
msg = "{} could not create thumbnail of {}\n{}"
|
|
self.log(msg.format(fun.__name__, abspath, min_ex()), "1;30")
|
|
with open(tpath, "wb") as _:
|
|
pass
|
|
|
|
with self.mutex:
|
|
subs = self.busy[tpath]
|
|
del self.busy[tpath]
|
|
|
|
for x in subs:
|
|
with x:
|
|
x.notify_all()
|
|
|
|
with self.mutex:
|
|
self.nthr -= 1
|
|
|
|
def conv_pil(self, abspath, tpath):
|
|
with Image.open(fsenc(abspath)) as im:
|
|
crop = not self.args.th_no_crop
|
|
res2 = self.res
|
|
if crop:
|
|
res2 = (res2[0] * 2, res2[1] * 2)
|
|
|
|
try:
|
|
im.thumbnail(res2, resample=Image.LANCZOS)
|
|
if crop:
|
|
iw, ih = im.size
|
|
dw, dh = self.res
|
|
res = (min(iw, dw), min(ih, dh))
|
|
im = ImageOps.fit(im, res, method=Image.LANCZOS)
|
|
except:
|
|
im.thumbnail(self.res)
|
|
|
|
fmts = ["RGB", "L"]
|
|
args = {"quality": 40}
|
|
|
|
if tpath.endswith(".webp"):
|
|
# quality 80 = pillow-default
|
|
# quality 75 = ffmpeg-default
|
|
# method 0 = pillow-default, fast
|
|
# method 4 = ffmpeg-default
|
|
# method 6 = max, slow
|
|
fmts += ["RGBA", "LA"]
|
|
args["method"] = 6
|
|
else:
|
|
pass # default q = 75
|
|
|
|
if im.mode not in fmts:
|
|
# print("conv {}".format(im.mode))
|
|
im = im.convert("RGB")
|
|
|
|
im.save(tpath, quality=40, method=6)
|
|
|
|
def conv_ffmpeg(self, abspath, tpath):
|
|
ret, _ = ffprobe(abspath)
|
|
|
|
ext = abspath.rsplit(".")[-1]
|
|
if ext in ["h264", "h265"]:
|
|
seek = []
|
|
else:
|
|
dur = ret[".dur"][1] if ".dur" in ret else 4
|
|
seek = "{:.0f}".format(dur / 3)
|
|
seek = [b"-ss", seek.encode("utf-8")]
|
|
|
|
scale = "scale={0}:{1}:force_original_aspect_ratio="
|
|
if self.args.th_no_crop:
|
|
scale += "decrease,setsar=1:1"
|
|
else:
|
|
scale += "increase,crop={0}:{1},setsar=1:1"
|
|
|
|
scale = scale.format(*list(self.res)).encode("utf-8")
|
|
# fmt: off
|
|
cmd = [
|
|
b"ffmpeg",
|
|
b"-nostdin",
|
|
b"-v", b"error",
|
|
b"-hide_banner"
|
|
]
|
|
cmd += seek
|
|
cmd += [
|
|
b"-i", fsenc(abspath),
|
|
b"-map", b"0:v:0",
|
|
b"-vf", scale,
|
|
b"-frames:v", b"1",
|
|
]
|
|
# fmt: on
|
|
|
|
if tpath.endswith(".jpg"):
|
|
cmd += [
|
|
b"-q:v",
|
|
b"6", # default=??
|
|
]
|
|
else:
|
|
cmd += [
|
|
b"-q:v",
|
|
b"50", # default=75
|
|
b"-compression_level:v",
|
|
b"6", # default=4, 0=fast, 6=max
|
|
]
|
|
|
|
cmd += [fsenc(tpath)]
|
|
|
|
ret, sout, serr = runcmd(cmd)
|
|
if ret != 0:
|
|
m = "FFmpeg failed (probably a corrupt video file):\n"
|
|
m += "\n".join(["ff: {}".format(x) for x in serr.split("\n")])
|
|
self.log(m, c="1;30")
|
|
raise sp.CalledProcessError(ret, (cmd[0], b"...", cmd[-1]))
|
|
|
|
def poke(self, tdir):
|
|
if not self.poke_cd.poke(tdir):
|
|
return
|
|
|
|
ts = int(time.time())
|
|
try:
|
|
p1 = os.path.dirname(tdir)
|
|
p2 = os.path.dirname(p1)
|
|
for dp in [tdir, p1, p2]:
|
|
bos.utime(dp, (ts, ts))
|
|
except:
|
|
pass
|
|
|
|
def cleaner(self):
|
|
interval = self.args.th_clean
|
|
while True:
|
|
time.sleep(interval)
|
|
ndirs = 0
|
|
for vol, histpath in self.asrv.vfs.histtab.items():
|
|
if histpath.startswith(vol):
|
|
self.log("\033[Jcln {}/\033[A".format(histpath))
|
|
else:
|
|
self.log("\033[Jcln {} ({})/\033[A".format(histpath, vol))
|
|
|
|
ndirs += self.clean(histpath)
|
|
|
|
self.log("\033[Jcln ok; rm {} dirs".format(ndirs))
|
|
|
|
def clean(self, histpath):
|
|
thumbpath = os.path.join(histpath, "th")
|
|
# self.log("cln {}".format(thumbpath))
|
|
maxage = self.args.th_maxage
|
|
now = time.time()
|
|
prev_b64 = None
|
|
prev_fp = None
|
|
try:
|
|
ents = bos.listdir(thumbpath)
|
|
except:
|
|
return 0
|
|
|
|
ndirs = 0
|
|
for f in sorted(ents):
|
|
fp = os.path.join(thumbpath, f)
|
|
cmp = fp.lower().replace("\\", "/")
|
|
|
|
# "top" or b64 prefix/full (a folder)
|
|
if len(f) <= 3 or len(f) == 24:
|
|
age = now - bos.path.getmtime(fp)
|
|
if age > maxage:
|
|
with self.mutex:
|
|
safe = True
|
|
for k in self.busy.keys():
|
|
if k.lower().replace("\\", "/").startswith(cmp):
|
|
safe = False
|
|
break
|
|
|
|
if safe:
|
|
ndirs += 1
|
|
self.log("rm -rf [{}]".format(fp))
|
|
shutil.rmtree(fp, ignore_errors=True)
|
|
else:
|
|
ndirs += self.clean(fp)
|
|
continue
|
|
|
|
# thumb file
|
|
try:
|
|
b64, ts, ext = f.split(".")
|
|
if len(b64) != 24 or len(ts) != 8 or ext not in ["jpg", "webp"]:
|
|
raise Exception()
|
|
|
|
ts = int(ts, 16)
|
|
except:
|
|
if f != "dir.txt":
|
|
self.log("foreign file in thumbs dir: [{}]".format(fp), 1)
|
|
|
|
continue
|
|
|
|
if b64 == prev_b64:
|
|
self.log("rm replaced [{}]".format(fp))
|
|
bos.unlink(prev_fp)
|
|
|
|
prev_b64 = b64
|
|
prev_fp = fp
|
|
|
|
return ndirs
|