photolib/photoapp/daemon.py
2018-09-09 17:21:23 -07:00

254 lines
8.9 KiB
Python

import os
import cherrypy
import logging
from photoapp.library import PhotoLibrary
from photoapp.types import Photo, PhotoSet, Tag, TagItem
from jinja2 import Environment, FileSystemLoader, select_autoescape
from sqlalchemy.exc import IntegrityError
from sqlalchemy import func
APPROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), "../"))
class PhotosWeb(object):
def __init__(self, library, template_dir):
self.library = library
self.tpl = Environment(loader=FileSystemLoader(template_dir),
autoescape=select_autoescape(['html', 'xml']))
self.tpl.globals.update(mime2ext=self.mime2ext)
self.tpl.filters['basename'] = os.path.basename
self.thumb = ThumbnailView(self)
self.photo = PhotoView(self)
self.download = DownloadView(self)
def render(self, template, **kwargs):
return self.tpl.get_template(template).render(**kwargs, **self.get_default_vars())
def get_default_vars(self):
s = self.session()
ret = {
"all_tags": s.query(Tag).order_by(Tag.title).all()
}
return ret
def session(self):
return self.library.session()
@staticmethod
def mime2ext(mime):
return {"image/png": "png",
"image/jpeg": "jpg",
"image/gif": "gif",
"application/octet-stream-xmp": "xmp",
"image/x-canon-cr2": "cr2",
"video/mp4": "mp4"}[mime]
@cherrypy.expose
def index(self):
raise cherrypy.HTTPRedirect('feed', 302)
@cherrypy.expose
def feed(self, page=0, pgsize=25):
s = self.session()
page, pgsize = int(page), int(pgsize)
images = s.query(PhotoSet).order_by(PhotoSet.date.desc()).offset(pgsize * page).limit(pgsize).all()
yield self.render("feed.html", images=[i for i in images], page=page)
@cherrypy.expose
def monthly(self):
s = self.session()
images = s.query(func.count(PhotoSet.uuid),
func.strftime('%Y', PhotoSet.date).label('year'),
func.strftime('%m', PhotoSet.date).label('month')). \
group_by('year', 'month').order_by('year', 'month').all()
yield self.render("monthly.html", images=images)
@cherrypy.expose
def map(self, i=None, zoom=3):
s = self.session()
query = s.query(PhotoSet).filter(PhotoSet.lat != 0, PhotoSet.lon != 0)
if i:
query = query.filter(PhotoSet.uuid == i)
yield self.render("map.html", images=query.all(), zoom=int(zoom))
@cherrypy.popargs('item_type', 'thumb_size', 'uuid')
class ThumbnailView(object):
def __init__(self, master):
self.master = master
self._cp_config = {"tools.trailing_slash.on": False}
@cherrypy.expose
def index(self, item_type, thumb_size, uuid):
uuid = uuid.split(".")[0]
s = self.master.session()
query = s.query(Photo).filter(Photo.set.has(uuid=uuid)) if item_type == "set" \
else s.query(Photo).filter(Photo.uuid == uuid) if item_type == "one" \
else None
# prefer making thumbs from jpeg to avoid loading large raws
first = None
best = None
for photo in query.all():
if first is None:
first = photo
if photo.format == "image/jpeg":
best = photo
break
thumb_from = best or first
if not thumb_from:
raise Exception("404") # TODO it right
# TODO some lock around calls to this based on uuid
thumb_path = self.master.library.make_thumb(thumb_from, thumb_size)
if thumb_path:
return cherrypy.lib.static.serve_file(thumb_path, "image/jpeg")
else:
return cherrypy.lib.static.serve_file(os.path.join(APPROOT, "styles/dist/unknown.svg"), "image/svg+xml")
@cherrypy.popargs('item_type', 'uuid')
class DownloadView(object):
def __init__(self, master):
self.master = master
self._cp_config = {"tools.trailing_slash.on": False}
@cherrypy.expose
def index(self, item_type, uuid, preview=False):
uuid = uuid.split(".")[0]
s = self.master.session()
query = None if item_type == "set" \
else s.query(Photo).filter(Photo.uuid == uuid) if item_type == "one" \
else None # TODO set download query
item = query.first()
extra = {}
if not preview:
extra.update(disposition="attachement", name=os.path.basename(item.path))
return cherrypy.lib.static.serve_file(os.path.abspath(os.path.join(self.master.library.path, item.path)),
content_type=item.format, **extra)
@cherrypy.popargs('uuid')
class PhotoView(object):
def __init__(self, master):
self.master = master
self._cp_config = {"tools.trailing_slash.on": False}
@cherrypy.expose
def index(self, uuid):
uuid = uuid.split(".")[0]
s = self.master.session()
photo = s.query(PhotoSet).filter(PhotoSet.uuid == uuid).first()
yield self.master.render("photo.html", image=photo)
# yield "viewing {}".format(uuid)
@cherrypy.expose
def tag(self, uuid):
s = self.master.session()
photo = s.query(PhotoSet).filter(PhotoSet.uuid == uuid).first()
alltags = s.query(Tag).order_by(Tag.title).all()
yield self.master.render("photo_tag.html", image=photo, alltags=alltags)
@cherrypy.expose
def tag_create(self, uuid, tag):
# TODO validate uuid ?
s = self.master.session()
s.add(Tag(title=tag)) # TODO slug
# TODO generate slug now or in model?
s.commit()
raise cherrypy.HTTPRedirect('/photo/{}/tag'.format(uuid), 302)
@cherrypy.expose
def tag_add(self, uuid, tag):
# TODO validate uuid ?
# TODO validate tag ?
s = self.master.session()
tag = s.query(Tag).filter(Tag.uuid == tag).first()
item = s.query(PhotoSet).filter(PhotoSet.uuid == uuid).first()
s.add(TagItem(tag_id=tag.id, set_id=item.id))
try:
s.commit()
except IntegrityError: # tag already applied
pass
raise cherrypy.HTTPRedirect('/photo/{}/tag'.format(uuid), 302)
def main():
import argparse
import signal
parser = argparse.ArgumentParser(description="Photod photo server")
parser.add_argument('-p', '--port', default=8080, type=int, help="tcp port to listen on")
parser.add_argument('-l', '--library', default="./library", help="library path")
parser.add_argument('-s', '--database-path', default="./photos.db", help="path to persistent sqlite database")
parser.add_argument('--debug', action="store_true", help="enable development options")
args = parser.parse_args()
logging.basicConfig(level=logging.INFO if args.debug else logging.WARNING,
format="%(asctime)-15s %(levelname)-8s %(filename)s:%(lineno)d %(message)s")
library = PhotoLibrary(args.database_path, args.library)
tpl_dir = os.path.join(APPROOT, "templates") if not args.debug else "templates"
web = PhotosWeb(library, tpl_dir)
web_config = {}
# TODO make auth work again
if True or args.disable_auth:
logging.warning("starting up with auth disabled")
else:
def validate_password(realm, username, password):
print("I JUST VALIDATED {}:{} ({})".format(username, password, realm))
return True
web_config.update({'tools.auth_basic.on': True,
'tools.auth_basic.realm': 'pysonic',
'tools.auth_basic.checkpassword': validate_password})
cherrypy.tree.mount(web, '/', {'/': web_config,
'/static': {"tools.staticdir.on": True,
"tools.staticdir.dir": os.path.join(APPROOT, "styles/dist") if not args.debug else os.path.abspath("styles/dist")}})
cherrypy.config.update({
# 'sessionFilter.on': True,
# 'tools.sessions.on': True,
# 'tools.sessions.locking': 'explicit',
# 'tools.sessions.timeout': 525600,
# 'tools.gzip.on': True,
'request.show_tracebacks': True,
'server.socket_port': args.port,
'server.thread_pool': 25,
'server.socket_host': '0.0.0.0',
'server.show_tracebacks': True,
# 'server.socket_timeout': 5,
'log.screen': False,
'engine.autoreload.on': args.debug
})
def signal_handler(signum, stack):
logging.critical('Got sig {}, exiting...'.format(signum))
cherrypy.engine.exit()
signal.signal(signal.SIGINT, signal_handler)
signal.signal(signal.SIGTERM, signal_handler)
try:
cherrypy.engine.start()
cherrypy.engine.block()
finally:
logging.info("API has shut down")
cherrypy.engine.exit()
if __name__ == '__main__':
main()