mirror of https://gitlab.com/bashrc2/epicyon
316 lines
9.6 KiB
Python
316 lines
9.6 KiB
Python
__filename__ = "maps.py"
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__author__ = "Bob Mottram"
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__license__ = "AGPL3+"
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__version__ = "1.3.0"
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__maintainer__ = "Bob Mottram"
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__email__ = "bob@libreserver.org"
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__status__ = "Production"
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__module_group__ = "Core"
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import os
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from utils import is_float
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from utils import acct_dir
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from utils import load_json
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from utils import save_json
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def _geocoords_from_osm_link(url: str, osm_domain: str) -> (int, float, float):
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"""Returns geocoordinates from an OSM map link
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"""
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if osm_domain + '/#map=' not in url:
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return None, None, None
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coords_str = url.split(osm_domain + '/#map=')[1]
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if '/' not in coords_str:
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return None, None, None
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coords = coords_str.split('/')
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if len(coords) != 3:
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return None, None, None
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zoom = coords[0]
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if not zoom.isdigit():
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return None, None, None
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latitude = coords[1]
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if not is_float(latitude):
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return None, None, None
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longitude = coords[2]
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if not is_float(longitude):
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return None, None, None
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zoom = int(zoom)
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latitude = float(latitude)
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longitude = float(longitude)
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return zoom, latitude, longitude
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def _geocoords_from_gmaps_link(url: str) -> (int, float, float):
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"""Returns geocoordinates from a Gmaps link
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"""
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if '/maps/@' not in url:
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return None, None, None
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coords_str = url.split('/maps/@')[1]
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if ',' not in coords_str:
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return None, None, None
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coords = coords_str.split(',')
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if len(coords) != 3:
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return None, None, None
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zoom = coords[2].replace('z', '')
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if not zoom.isdigit():
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return None, None, None
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latitude = coords[0]
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if not is_float(latitude):
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return None, None, None
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longitude = coords[1]
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if not is_float(longitude):
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return None, None, None
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zoom = int(zoom)
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latitude = float(latitude)
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longitude = float(longitude)
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return zoom, latitude, longitude
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def _geocoords_from_bmaps_link(url: str) -> (int, float, float):
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"""Returns geocoordinates from a bing map link
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"""
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prefixes = ('/maps?cp=', '/maps/directions?cp=')
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map_prefix = None
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for prefix in prefixes:
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if prefix in url:
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map_prefix = prefix
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break
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if not map_prefix:
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return None, None, None
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coords_str = url.split(map_prefix)[1]
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if '~' not in coords_str:
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return None, None, None
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orig_coords_str = coords_str
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if '&' in coords_str:
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coords_str = coords_str.split('&')[0]
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if ';' in coords_str:
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coords_str = coords_str.split(';')[0]
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coords = coords_str.split('~')
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if len(coords) != 2:
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return None, None, None
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latitude = coords[0]
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if not is_float(latitude):
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return None, None, None
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longitude = coords[1]
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if not is_float(longitude):
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return None, None, None
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zoom = 17
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if 'lvl=' in orig_coords_str:
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zoom = orig_coords_str.split('lvl=')[1]
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if '&' in zoom:
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zoom = zoom.split('&')[0]
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if ';' in zoom:
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zoom = zoom.split(';')[0]
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if not zoom.isdigit():
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return None, None, None
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zoom = int(zoom)
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latitude = float(latitude)
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longitude = float(longitude)
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return zoom, latitude, longitude
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def _geocoords_from_waze_link(url: str) -> (int, float, float):
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"""Returns geocoordinates from a waze map link
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"""
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prefixes = ['/ul?ll=']
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map_prefix = None
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for prefix in prefixes:
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if prefix in url:
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map_prefix = prefix
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break
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if not map_prefix:
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return None, None, None
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coords_str = url.split(map_prefix)[1]
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orig_coords_str = coords_str
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if '&' in coords_str:
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coords_str = coords_str.split('&')[0]
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if '%2C' not in coords_str and ',' not in coords_str:
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return None, None, None
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if '%2C' in coords_str:
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coords = coords_str.split('%2C')
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else:
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coords = coords_str.split(',')
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if len(coords) != 2:
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return None, None, None
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latitude = coords[0]
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if not is_float(latitude):
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return None, None, None
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longitude = coords[1]
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if not is_float(longitude):
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return None, None, None
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zoom = 17
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if 'zoom=' in orig_coords_str:
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zoom = orig_coords_str.split('zoom=')[1]
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if '&' in zoom:
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zoom = zoom.split('&')[0]
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if not zoom.isdigit():
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return None, None, None
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zoom = int(zoom)
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latitude = float(latitude)
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longitude = float(longitude)
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return zoom, latitude, longitude
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def _geocoords_from_wego_link(url: str) -> (int, float, float):
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"""Returns geocoordinates from a wego map link
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"""
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prefixes = ['/?map=']
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map_prefix = None
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for prefix in prefixes:
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if prefix in url:
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map_prefix = prefix
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break
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if not map_prefix:
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return None, None, None
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coords_str = url.split(map_prefix)[1]
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if ',' not in coords_str:
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return None, None, None
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coords = coords_str.split(',')
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if len(coords) < 3:
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return None, None, None
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latitude = coords[0]
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if not is_float(latitude):
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return None, None, None
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longitude = coords[1]
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if not is_float(longitude):
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return None, None, None
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zoom = coords[2]
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if not zoom.isdigit():
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return None, None, None
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zoom = int(zoom)
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latitude = float(latitude)
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longitude = float(longitude)
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return zoom, latitude, longitude
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def geocoords_from_map_link(url: str,
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osm_domain: str = 'openstreetmap.org') -> (int,
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float,
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float):
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"""Returns geocoordinates from a map link url
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"""
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if osm_domain in url:
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return _geocoords_from_osm_link(url, osm_domain)
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elif '.google.co' in url:
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return _geocoords_from_gmaps_link(url)
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elif '.bing.co' in url:
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return _geocoords_from_bmaps_link(url)
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elif '.waze.co' in url:
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return _geocoords_from_waze_link(url)
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elif 'wego.here.co' in url:
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return _geocoords_from_wego_link(url)
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return None, None, None
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def html_open_street_map(url: str,
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bounding_box_degrees: float,
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translate: {},
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width: str = "725",
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height: str = "650") -> str:
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"""Returns embed html for an OSM link
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"""
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osm_domain = 'openstreetmap.org'
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zoom, latitude, longitude = geocoords_from_map_link(url, osm_domain)
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if not latitude:
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return ''
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if not longitude:
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return ''
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if not zoom:
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return ''
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html_str = \
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'<iframe width="' + width + '" height="' + height + \
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'" frameborder="0" ' + \
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'scrolling="no" marginheight="0" marginwidth="0" ' + \
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'src="https://www.' + osm_domain + '/export/embed.html?' + \
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'bbox=' + str(longitude - bounding_box_degrees) + \
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'%2C' + \
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str(latitude - bounding_box_degrees) + \
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'%2C' + \
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str(longitude + bounding_box_degrees) + \
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'%2C' + \
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str(latitude + bounding_box_degrees) + \
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'&layer=mapnik" style="border: 1px solid black"></iframe>' + \
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'<br/><small><a href="https://www.' + osm_domain + '/#map=' + \
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str(zoom) + '/' + str(latitude) + '/' + str(longitude) + \
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'">' + translate['View Larger Map'] + '</a></small>\n'
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return html_str
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def set_map_preferences_url(base_dir: str, nickname: str, domain: str,
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maps_website_url: str) -> None:
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"""Sets the preferred maps website for an account
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"""
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maps_filename = \
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acct_dir(base_dir, nickname, domain) + '/map_preferences.json'
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if os.path.isfile(maps_filename):
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maps_json = load_json(maps_filename)
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maps_json['url'] = maps_website_url
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else:
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maps_json = {
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'url': maps_website_url
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}
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save_json(maps_json, maps_filename)
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def get_map_preferences_url(base_dir: str, nickname: str, domain: str) -> str:
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"""Gets the preferred maps website for an account
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"""
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maps_filename = \
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acct_dir(base_dir, nickname, domain) + '/map_preferences.json'
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if os.path.isfile(maps_filename):
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maps_json = load_json(maps_filename)
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if maps_json.get('url'):
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return maps_json['url']
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return None
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def set_map_preferences_coords(base_dir: str, nickname: str, domain: str,
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latitude: float, longitude: float,
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zoom: int) -> None:
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"""Sets the preferred maps website coordinates for an account
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"""
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maps_filename = \
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acct_dir(base_dir, nickname, domain) + '/map_preferences.json'
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if os.path.isfile(maps_filename):
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maps_json = load_json(maps_filename)
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maps_json['latitude'] = latitude
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maps_json['longitude'] = longitude
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maps_json['zoom'] = zoom
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else:
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maps_json = {
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'latitude': latitude,
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'longitude': longitude,
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'zoom': zoom
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}
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save_json(maps_json, maps_filename)
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def get_map_preferences_coords(base_dir: str,
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nickname: str,
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domain: str) -> (float, float, int):
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"""Gets the preferred maps website coordinates for an account
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"""
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maps_filename = \
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acct_dir(base_dir, nickname, domain) + '/map_preferences.json'
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if os.path.isfile(maps_filename):
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maps_json = load_json(maps_filename)
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if maps_json.get('latitude') and \
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maps_json.get('longitude') and \
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maps_json.get('zoom'):
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return maps_json['latitude'], \
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maps_json['longitude'], \
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maps_json['zoom']
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return None, None, None
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