/usr/lib/python2.7/dist-packages/imposm/base.py is in python-imposm 2.6.0+ds-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 | # Copyright 2011 Omniscale (http://omniscale.com)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import with_statement
import itertools
from imposm.merge import multimerge
__all__ = [
'Node', 'Way', 'Relation',
]
class Node(object):
def __init__(self, osm_id, tags, coord):
self.osm_id = osm_id
self.tags = tags
self.coord = coord
def __repr__(self):
return 'Node(%r, %r, %r)' % (self.osm_id, self.tags, self.coord)
def merge(self, tags, coord):
pass
def to_tuple(self):
return self.osm_id, self.tags, self.coord
class Way(object):
def __init__(self, osm_id, tags, refs, inserted=False):
self.osm_id = osm_id
self.tags = tags
self.refs = refs
self.partial_refs = None
if refs and isinstance(refs[0], list):
self.refs = refs[0]
self.partial_refs = refs
self.inserted = inserted
def __repr__(self):
return 'Way(%r, %r, %r, inserted=%r)' % (self.osm_id, self.tags,
self.refs, self.inserted)
def merge(self, tags, refs):
self.tags.update(tags)
if self.refs != refs:
if self.partial_refs:
merge_refs = []
merge_refs.extend(self.partial_refs)
else:
merge_refs = [self.refs]
merge_refs.append(refs)
result = multimerge(merge_refs)
if result is None:
self.partial_refs = merge_refs
else:
self.refs = result
self.partial_refs = None
def to_tuple(self):
return self.osm_id, self.tags, self.refs
class Relation(object):
def __init__(self, osm_id, tags, members):
self.osm_id = osm_id
self.tags = tags
self.members = members
def merge(self, tags, members):
self.tags.update(tags)
if self.members != members:
self.members = merge_relation_members(self.members, members)
def to_tuple(self):
return self.osm_id, self.tags, self.members
def merge_relation_members(a, b):
"""
concatenate two lists of members, removing duplicates, retaining order
"""
combined = []
added_ids = set()
for m in itertools.chain(a, b):
if m[0] not in added_ids:
combined.append(m)
added_ids.add(m[0])
return combined
class OSMElem(object):
__slots__ = 'osm_id name coords cls type tags geom'.split()
def __init__(self, osm_id, coords, type, tags):
self.osm_id = osm_id
self.name = tags.get('name')
self.coords = coords
self.cls = type[0]
self.type = type[1]
self.tags = tags
self.geom = None
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