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# SPDX-License-Identifier: BSD-2-Clause
#
# This file is part of pyosmium. (https://osmcode.org/pyosmium/)
#
# Copyright (C) 2025 Sarah Hoffmann <lonvia@denofr.de> and others.
# For a full list of authors see the git log.
import pytest
import uuid
import osmium
from helpers import IDCollector
@pytest.mark.parametrize('init', [None, 1])
def test_file_processor_bad_init(init):
with pytest.raises(TypeError):
for obj in osmium.FileProcessor(init):
pass
def test_simple_generator(opl_buffer):
count = 0
for obj in osmium.FileProcessor(opl_buffer('n1 x5 y5')):
assert obj.type_str() == 'n'
assert obj.id == 1
count += 1
assert count == 1
def test_generator_with_location(opl_buffer):
data = opl_buffer("""\
n1 x10 y20
n2 x11 y21
w45 Nn1,n2
""")
count = 0
for obj in osmium.FileProcessor(data).with_locations():
count += 1
if obj.type_str() == 'w':
assert len(obj.nodes) == 2
assert [n.ref for n in obj.nodes] == [1, 2]
assert [n.location.lon for n in obj.nodes] == [10, 11]
assert [n.location.lat for n in obj.nodes] == [20, 21]
assert count == 3
def test_generator_with_areas(opl_buffer):
data = opl_buffer("""\
n10 x3 y3
n11 x3 y3.01
n12 x3.01 y3.01
n13 x3.01 y3
w12 Nn10,n11,n12,n13,n10 Tbuilding=yes
""")
count = 0
for obj in osmium.FileProcessor(data).with_areas():
if obj.type_str() == 'a':
count += 1
assert obj.from_way()
assert obj.orig_id() == 12
assert count == 1
def test_generator_with_areas_with_filter(opl_buffer):
data = opl_buffer("""\
n10 x3 y3
n11 x3 y3.01
n12 x3.01 y3.01
n13 x3.01 y3
w11 Nn10,n11,n12,n13
w12 Nn13,n10
r1 Tbuilding=yes,type=multipolygon Mw11@,w12@
""")
count = 0
for obj in osmium.FileProcessor(data)\
.with_areas()\
.with_filter(osmium.filter.EntityFilter(osmium.osm.AREA)):
assert obj.is_area()
count += 1
assert count == 1
def test_generator_with_areas_with_area_filter(opl_buffer):
data = opl_buffer("""\
n10 x3 y3
n11 x3 y3.01
n12 x3.01 y3.01
n13 x3.01 y3
w11 Nn10,n11,n12,n13
w12 Nn13,n10
r1 Tbuilding=yes,type=multipolygon Mw11@,w12@
r2 Tlanduse=grass,type=multipolygon Mw11@,w12@
""")
count = 0
for obj in osmium.FileProcessor(data)\
.with_areas(osmium.filter.KeyFilter('building'))\
.with_filter(osmium.filter.EntityFilter(osmium.osm.AREA)):
assert obj.is_area()
assert obj.id == 3
count += 1
assert count == 1
def test_generator_with_filter(opl_buffer):
data = opl_buffer("""\
n10 x3 y3
n11 x3 y3.01 Tfoo=bar
""")
count = 0
for obj in osmium.FileProcessor(data).with_filter(osmium.filter.EmptyTagFilter()):
count += 1
assert obj.type_str() == 'n'
assert obj.id == 11
assert count == 1
def test_file_processor_header(tmp_path):
fn = tmp_path / f"{uuid.uuid4()}.xml"
fn.write_text("""<?xml version='1.0' encoding='UTF-8'?>
<osm version="0.6" generator="test-pyosmium" timestamp="2014-08-26T20:22:02Z">
<bounds minlat="-90" minlon="-180" maxlat="90" maxlon="180"/>
</osm>
""")
h = osmium.FileProcessor(fn).header
assert not h.has_multiple_object_versions
assert h.box().valid()
assert h.box().size() == 64800.0
def test_file_processor_access_nodestore(opl_buffer):
fp = osmium.FileProcessor(opl_buffer('n56 x3 y-3'))\
.with_locations(osmium.index.create_map('sparse_mem_map'))
for _ in fp:
pass
assert fp.node_location_storage.get(56).lat == -3
assert fp.node_location_storage.get(56).lon == 3
def test_file_processor_bad_location_type(opl_buffer):
with pytest.raises(TypeError, match='LocationTable'):
osmium.FileProcessor(opl_buffer('n56 x3 y-3')).with_locations(67)
def test_propagate_data_from_filters(opl_buffer):
class MyFilter:
def node(self, n):
n.saved = 'test'
return False
fp = osmium.FileProcessor(opl_buffer('n56 x3 y-3')).with_filter(MyFilter())
for obj in fp:
assert obj.saved == 'test'
def test_simple_zip(opl_buffer):
fp1 = osmium.FileProcessor(opl_buffer("""\
n1
n3
n5
w10 Nn1,n2
r1 Mw1@
"""))
fp2 = osmium.FileProcessor(opl_buffer("""\
n2
n3
n456
w12 Nn45,n85
r1 Mw2@
"""))
results = []
for o1, o2 in osmium.zip_processors(fp1, fp2):
results.append(((None if o1 is None else o1.type_str() + str(o1.id)),
(None if o2 is None else o2.type_str() + str(o2.id))))
assert results == [('n1', None),
(None, 'n2'),
('n3', 'n3'),
('n5', None),
(None, 'n456'),
('w10', None),
(None, 'w12'),
('r1', 'r1')]
def test_filtered_handler_python(opl_buffer):
data = opl_buffer("""\
n1 Tamenity=foo
n3
w1 Thighway=residential
w2
r4
""")
ids = IDCollector()
processed = []
fp = osmium.FileProcessor(data)\
.handler_for_filtered(ids)\
.with_filter(osmium.filter.EmptyTagFilter())
for obj in fp:
processed.append(f"{obj.type_str()}{obj.id}")
assert processed == ['n1', 'w1']
assert ids.nodes == [3]
assert ids.ways == [2]
assert ids.relations == [4]
def test_filtered_handler_basehandler(opl_buffer, tmp_path):
data = opl_buffer("""\
n1 Tamenity=foo
n3
w1 Thighway=residential
w2
r4
""")
testf = tmp_path / f"{uuid.uuid4()}.opl"
with osmium.SimpleWriter(str(testf)) as writer:
fp = osmium.FileProcessor(data)\
.handler_for_filtered(writer)\
.with_filter(osmium.filter.EmptyTagFilter())
processed = []
for obj in fp:
processed.append(f"{obj.type_str()}{obj.id}")
assert processed == ['n1', 'w1']
ids = IDCollector()
osmium.apply(testf, ids)
assert ids.nodes == [3]
assert ids.ways == [2]
assert ids.relations == [4]
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