Ethan Dalool
ffe0be21f5
Previously they were relative to the directory from which the client was launched, meaning it usually started with ./_etiquette. Now it should be more portable and less tight.
168 lines
4.3 KiB
Python
168 lines
4.3 KiB
Python
import flask; from flask import request
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import os
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import mimetypes
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import traceback
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import etiquette
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from voussoirkit import pathclass
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from . import jsonify
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from . import sessions
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root_dir = pathclass.Path(__file__).parent.parent
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TEMPLATE_DIR = root_dir.with_child('templates')
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STATIC_DIR = root_dir.with_child('static')
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FAVICON_PATH = STATIC_DIR.with_child('favicon.png')
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site = flask.Flask(
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__name__,
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template_folder=TEMPLATE_DIR.absolute_path,
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static_folder=STATIC_DIR.absolute_path,
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)
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site.config.update(
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SEND_FILE_MAX_AGE_DEFAULT=180,
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TEMPLATES_AUTO_RELOAD=True,
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)
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site.jinja_env.add_extension('jinja2.ext.do')
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site.jinja_env.trim_blocks = True
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site.jinja_env.lstrip_blocks = True
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site.debug = True
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P = etiquette.photodb.PhotoDB()
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session_manager = sessions.SessionManager()
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def P_wrapper(function):
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def P_wrapped(thingid, response_type='html'):
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try:
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return function(thingid)
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except etiquette.exceptions.EtiquetteException as exc:
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if isinstance(exc, etiquette.exceptions.NoSuch):
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status = 404
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else:
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status = 400
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if response_type == 'html':
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flask.abort(status, exc.error_message)
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else:
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response = etiquette.jsonify.exception(exc)
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response = jsonify.make_json_response(response, status=status)
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flask.abort(response)
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except Exception as exc:
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traceback.print_exc()
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if response_type == 'html':
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flask.abort(500)
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else:
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flask.abort(jsonify.make_json_response({}, status=500))
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return P_wrapped
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@P_wrapper
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def P_album(album_id):
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return P.get_album(album_id)
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@P_wrapper
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def P_bookmark(bookmarkid):
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return P.get_bookmark(bookmarkid)
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@P_wrapper
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def P_photo(photo_id):
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return P.get_photo(photo_id)
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@P_wrapper
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def P_tag(tagname):
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return P.get_tag(name=tagname)
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@P_wrapper
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def P_user(username):
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return P.get_user(username=username)
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@P_wrapper
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def P_user_id(user_id):
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return P.get_user(id=user_id)
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def back_url():
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return request.args.get('goto') or request.referrer or '/'
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def send_file(filepath, override_mimetype=None):
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'''
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Range-enabled file sending.
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'''
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if isinstance(filepath, pathclass.Path):
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filepath = filepath.absolute_path
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try:
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file_size = os.path.getsize(filepath)
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except FileNotFoundError:
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flask.abort(404)
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outgoing_headers = {}
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if override_mimetype is not None:
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mimetype = override_mimetype
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else:
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mimetype = mimetypes.guess_type(filepath)[0]
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if mimetype is not None:
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if 'text/' in mimetype:
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mimetype += '; charset=utf-8'
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outgoing_headers['Content-Type'] = mimetype
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if 'range' in request.headers:
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desired_range = request.headers['range'].lower()
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desired_range = desired_range.split('bytes=')[-1]
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int_helper = lambda x: int(x) if x.isdigit() else None
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if '-' in desired_range:
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(desired_min, desired_max) = desired_range.split('-')
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range_min = int_helper(desired_min)
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range_max = int_helper(desired_max)
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else:
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range_min = int_helper(desired_range)
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if range_min is None:
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range_min = 0
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if range_max is None:
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range_max = file_size
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# because ranges are 0-indexed
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range_max = min(range_max, file_size - 1)
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range_min = max(range_min, 0)
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range_header = 'bytes {min}-{max}/{outof}'.format(
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min=range_min,
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max=range_max,
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outof=file_size,
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)
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outgoing_headers['Content-Range'] = range_header
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status = 206
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else:
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range_max = file_size - 1
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range_min = 0
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status = 200
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outgoing_headers['Accept-Ranges'] = 'bytes'
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outgoing_headers['Content-Length'] = (range_max - range_min) + 1
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if request.method == 'HEAD':
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outgoing_data = bytes()
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else:
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outgoing_data = etiquette.helpers.read_filebytes(
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filepath,
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range_min=range_min,
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range_max=range_max,
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chunk_size=P.config['file_read_chunk'],
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)
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response = flask.Response(
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outgoing_data,
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status=status,
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headers=outgoing_headers,
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)
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return response
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