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Issue #81: support lane drawing.

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This commit is contained in:
Sergey Vartanov 2021-09-15 07:50:55 +03:00
parent cc9826ae57
commit 0a7bead1ca
6 changed files with 97 additions and 15 deletions
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21
map_machine/osm_reader.py
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@ -2,6 +2,7 @@
Parse OSM XML file.
"""
import json
import logging
import re
from dataclasses import dataclass, field
from datetime import datetime
@ -20,9 +21,9 @@ __email__ = "me@enzet.ru"
OSM_TIME_PATTERN: str = "%Y-%m-%dT%H:%M:%SZ"
METERS_PATTERN = re.compile("^(?P<value>\\d*\\.?\\d*)\\s*m$")
KILOMETERS_PATTERN = re.compile("^(?P<value>\\d*\\.?\\d*)\\s*km$")
MILES_PATTERN = re.compile("^(?P<value>\\d*\\.?\\d*)\\s*mi$")
METERS_PATTERN: re.Pattern = re.compile("^(?P<value>\\d*\\.?\\d*)\\s*m$")
KILOMETERS_PATTERN: re.Pattern = re.compile("^(?P<value>\\d*\\.?\\d*)\\s*km$")
MILES_PATTERN: re.Pattern = re.compile("^(?P<value>\\d*\\.?\\d*)\\s*mi$")
# See https://wiki.openstreetmap.org/wiki/Lifecycle_prefix#Stages_of_decay
@ -46,6 +47,16 @@ def parse_float(string: str) -> Optional[float]:
return None
def parse_levels(string: str) -> list[float]:
"""Parse string representation of level sequence value."""
# TODO: add `-` parsing
try:
return list(map(float, string.replace(",", ".").split(";")))
except ValueError:
logging.warning(f"Cannot parse level description from `{string}`.")
return []
@dataclass
class Tagged:
"""
@ -320,7 +331,7 @@ class OSMData:
if node.user:
self.authors.add(node.user)
if node.tags.get("level"):
self.levels.add(float(node.tags.get("level")))
self.levels.union(parse_levels(node.tags["level"]))
self.time.update(node.timestamp)
def add_way(self, way: OSMWay) -> None:
@ -333,7 +344,7 @@ class OSMData:
if way.user:
self.authors.add(way.user)
if way.tags.get("level"):
self.levels.union(map(float, way.tags["level"].split(";")))
self.levels.union(parse_levels(way.tags["level"]))
self.time.update(way.timestamp)
def add_relation(self, relation: OSMRelation) -> None: