Files
pygeoapi/pygeoapi/provider/tile.py
T
2023-06-15 08:18:55 +02:00

139 lines
3.9 KiB
Python

# =================================================================
#
# Authors: Francesco Bartoli <xbartolone@gmail.com>
# Authors: Tom Kralidis <tomkralidis@gmail.com>
#
# Copyright (c) 2020 Francesco Bartoli
# Copyright (c) 2022 Tom Kralidis
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
# =================================================================
import logging
from pygeoapi.provider.base import ProviderGenericError
LOGGER = logging.getLogger(__name__)
class BaseTileProvider:
"""generic Tile Provider ABC"""
def __init__(self, provider_def):
"""
Initialize object
:param provider_def: provider definition
:returns: pygeoapi.provider.tile.BaseTileProvider
"""
self.name = provider_def['name']
self.data = provider_def['data']
self.format_type = provider_def['format']['name']
self.mimetype = provider_def['format']['mimetype']
self.options = provider_def.get('options')
self.tile_type = None
self.fields = {}
def get_layer(self):
"""
Get provider layer name
:returns: `string` of layer name
"""
def get_fields(self):
"""
Get provider field information (names, types)
:returns: `dict` of fields
"""
raise NotImplementedError()
def get_tiling_schemes(self):
"""
Get provider field information (names, types)
:returns: `dict` of tiling schemes
"""
raise NotImplementedError()
def get_tiles_service(self, baseurl, servicepath, dirpath,
tile_type):
"""
Gets tile service description
:param baseurl: base URL of endpoint
:param servicepath: base path of URL
:param dirpath: directory basepath (equivalent of URL)
:param tile_type: tile format type
:returns: `dict` of file listing or `dict` of GeoJSON item or raw file
"""
raise NotImplementedError()
def get_tiles(self, layer, tileset, z, y, x, format_):
"""
Gets tiles data
:param layer: tile layer
:param tileset: tile set
:param z: z index
:param y: y index
:param x: x index
:param format_: tile format type
:returns: `binary` of the tile
"""
raise NotImplementedError()
def get_metadata(self):
"""
Provide data/file metadata
:returns: `dict` of metadata construct (format
determined by provider/standard)
"""
raise NotImplementedError()
class ProviderTileQueryError(ProviderGenericError):
"""provider tile query error"""
pass
class ProviderTileNotFoundError(ProviderGenericError):
"""provider tile not found error"""
pass
class ProviderTilesetIdNotFoundError(ProviderTileQueryError):
"""provider tileset matrix query error"""
pass