Dockerized app
This commit is contained in:
parent
10d491fa96
commit
9ee36727ef
10 changed files with 23 additions and 1 deletions
1
app/README.md
Normal file
1
app/README.md
Normal file
|
|
@ -0,0 +1 @@
|
|||
This is my port of FotoStream to python/flask.
|
||||
6
app/config.py
Normal file
6
app/config.py
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
imgdir = "/images"
|
||||
recursive = True
|
||||
refresh = 5
|
||||
cachedir = "auto"
|
||||
resolution = (1920, 1080)
|
||||
filetypes = ["*.jpg", "*.JPG"]
|
||||
4
app/requirements.txt
Normal file
4
app/requirements.txt
Normal file
|
|
@ -0,0 +1,4 @@
|
|||
Flask==1.0.2
|
||||
Pillow>=6.2.0
|
||||
Click==7.0
|
||||
waitress>=1.4.0
|
||||
7
app/server.py
Executable file
7
app/server.py
Executable file
|
|
@ -0,0 +1,7 @@
|
|||
#!/usr/bin/python3
|
||||
|
||||
from waitress import serve
|
||||
|
||||
import slider
|
||||
|
||||
serve(slider.app, host="0.0.0.0", port=5000)
|
||||
127
app/slider.py
Executable file
127
app/slider.py
Executable file
|
|
@ -0,0 +1,127 @@
|
|||
#!/usr/bin/python3
|
||||
|
||||
from flask import (
|
||||
Flask,
|
||||
render_template,
|
||||
send_from_directory,
|
||||
redirect,
|
||||
url_for,
|
||||
request,
|
||||
)
|
||||
from random import choice
|
||||
from pathlib import Path
|
||||
from PIL import Image
|
||||
from time import time
|
||||
from hashlib import sha256
|
||||
import click
|
||||
from shutil import rmtree
|
||||
from tempfile import gettempdir
|
||||
|
||||
import config
|
||||
|
||||
app = Flask(__name__)
|
||||
|
||||
imgdir = Path(config.imgdir).expanduser().resolve()
|
||||
cache_resolution = config.resolution
|
||||
cache_dir = (
|
||||
Path(gettempdir()) / "webslider"
|
||||
if config.cachedir == "auto"
|
||||
else Path(config.cachedir)
|
||||
) / ("%sx%s" % cache_resolution)
|
||||
|
||||
|
||||
def find_images():
|
||||
images = set()
|
||||
for filetype in config.filetypes:
|
||||
glob = "**/" + filetype if config.recursive else filetype
|
||||
images.update(imgdir.glob(glob))
|
||||
return list(images)
|
||||
|
||||
|
||||
@app.route("/")
|
||||
def random():
|
||||
print(request.remote_addr, request.base_url)
|
||||
return render_template("random.html", refresh=config.refresh)
|
||||
|
||||
|
||||
@app.route("/random_image/")
|
||||
def random_image():
|
||||
print(request.remote_addr, request.base_url)
|
||||
try:
|
||||
last_modified_time, last_modified_file = max(
|
||||
(f.stat().st_mtime, f) for f in find_images()
|
||||
)
|
||||
|
||||
if time() - last_modified_time <= 60:
|
||||
selected_image = last_modified_file.relative_to(imgdir)
|
||||
else:
|
||||
images = find_images()
|
||||
selected_image = choice(images).relative_to(imgdir)
|
||||
except ValueError:
|
||||
return redirect(url_for("static", filename="clear.gif"))
|
||||
|
||||
return redirect(
|
||||
url_for("image", filename=selected_image)
|
||||
+ "?hash=%s" % get_cache_filename(selected_image)
|
||||
)
|
||||
|
||||
|
||||
@app.route("/img/<path:filename>")
|
||||
def image(filename):
|
||||
print(request.remote_addr, request.base_url)
|
||||
cache_filename = create_cache_file(filename)
|
||||
|
||||
return send_from_directory(cache_dir, cache_filename)
|
||||
|
||||
|
||||
def rm_cachedir():
|
||||
if cache_dir.exists():
|
||||
print("Removing cache dir", cache_dir)
|
||||
rmtree(cache_dir)
|
||||
|
||||
|
||||
def create_cachedir():
|
||||
if not cache_dir.exists():
|
||||
print("Creating cache dir", cache_dir)
|
||||
cache_dir.mkdir(parents=True)
|
||||
|
||||
|
||||
def create_cache_file(filename):
|
||||
create_cachedir()
|
||||
cache_file = get_cache_filename(filename)
|
||||
|
||||
if not (cache_dir / cache_file).exists():
|
||||
print("Creating cache file", filename)
|
||||
img = Image.open(imgdir / filename)
|
||||
img.thumbnail(cache_resolution)
|
||||
img.save(cache_dir / cache_file, "JPEG")
|
||||
|
||||
return cache_file
|
||||
|
||||
|
||||
def get_cache_filename(filename):
|
||||
original_file_path = imgdir / filename
|
||||
return sha256(str(original_file_path.resolve()).encode("utf-8")).hexdigest()
|
||||
|
||||
|
||||
def pre_cache_images():
|
||||
for image_file in sorted(find_images()):
|
||||
create_cache_file(image_file.relative_to(imgdir))
|
||||
|
||||
|
||||
@click.command()
|
||||
@click.option("--build-cache", is_flag=True, default=False, help="pre-cache images")
|
||||
@click.option(
|
||||
"--clear-cache", is_flag=True, default=False, help="clear cache directory"
|
||||
)
|
||||
def run_slider(build_cache, clear_cache):
|
||||
if clear_cache:
|
||||
rm_cachedir()
|
||||
if build_cache:
|
||||
pre_cache_images()
|
||||
|
||||
app.run(host="0.0.0.0")
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
run_slider()
|
||||
BIN
app/static/clear.gif
Executable file
BIN
app/static/clear.gif
Executable file
Binary file not shown.
|
After Width: | Height: | Size: 43 B |
BIN
app/static/loading.gif
Executable file
BIN
app/static/loading.gif
Executable file
Binary file not shown.
|
After Width: | Height: | Size: 673 B |
30
app/templates/random.html
Normal file
30
app/templates/random.html
Normal file
|
|
@ -0,0 +1,30 @@
|
|||
<html>
|
||||
<head>
|
||||
<style>
|
||||
img {
|
||||
width: 100%;
|
||||
height: 98%;
|
||||
object-fit: contain;
|
||||
background: url({{ url_for("static", filename="loading.gif") }}) 50% no-repeat;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body bgcolor="black">
|
||||
<img id="slider" src="{{ url_for("static", filename="clear.gif") }}" />
|
||||
<script>
|
||||
var downloadingImage = new Image();
|
||||
downloadingImage.onload = function()
|
||||
{
|
||||
document.getElementById("slider").src = this.src;
|
||||
};
|
||||
|
||||
function updateImage()
|
||||
{
|
||||
downloadingImage.src = "{{ url_for("random_image") }}?" + new Date().getTime();
|
||||
}
|
||||
|
||||
updateImage();
|
||||
setInterval(updateImage, {{ refresh * 1000 }});
|
||||
</script>
|
||||
</body>
|
||||
</html>
|
||||
Loading…
Add table
Add a link
Reference in a new issue