Coverage for cedar/config/build.py : 38%

""" Build objects from configuration files 

""" 

import logging 

import os 

from pathlib import Path 

import yaml 

from .. import defaults 

logger = logging.getLogger(__name__) 

def build_tile_grid(grid_name=None, grid_filename=None, **kwds): 

""" Build the ``tile_grid`` section 

Parameters 

---------- 

grid_name : str 

Name of the grid to use. If using a custom grid, specify the parameters 

for it either by passing the filename of a grid definition file, or by 

passing all the necessary keywords to create a 

:py:class:`stems.gis.grids.TileGrid`. 

grid_filename : str or pathlib.Path, optional 

Custom tile grid definition file. Should be loadable using 

:py:func:`stems.gis.grids.load_grids`. 

kwds 

Otherwise, pass keywords to initialize a TileGrid 

Returns 

------- 

dict 

The ``tile_grid`` parameter section 

See Also 

-------- 

stems.gis.grids.TileGrid 

""" 

from stems.gis.grids import TileGrid, load_grids 

# Check if user wants a "named" or "defined" grid 

if grid_name: 

# Check for definitions file 

grids = load_grids(filename=filename) 

try: 

tile_grid = grids[grid_name] 

except KeyError: 

known = ', '.join([f'"{k}"' for k in grids]) 

raise KeyError(f'Could not load a grid named "{grid_name}". ' 

f'Available grids: {known}') 

else: 

# Should have all the parameters to init otherwise 

tile_grid = TileGrid(**kwds) 

return tile_grid 

def build_tracker(tile_grid, store, **kwds): 

""" Build the ``gee`` section and return a Tracker 

""" 

from ..tracker import Tracker 

tracker = Tracker(tile_grid, store, **kwds) 

return tracker