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python: pmtiles-convert from mbtiles writes v3 spec

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This commit is contained in:
Brandon Liu
2022-10-12 00:02:59 +08:00
parent 43e46371c1
commit 0f03dc3312
8 changed files with 293 additions and 336 deletions
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67
python/test/test_convert.py
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@@ -3,7 +3,12 @@ from io import BytesIO
import os
from pmtiles.writer import Writer
from pmtiles.reader import Reader, MemorySource
from pmtiles.convert import pmtiles_to_mbtiles, mbtiles_to_pmtiles
from pmtiles.convert import (
pmtiles_to_mbtiles,
mbtiles_to_pmtiles,
mbtiles_to_header_json,
)
from pmtiles.tile import TileType, Compression
class TestConvert(unittest.TestCase):
@@ -22,18 +27,52 @@ class TestConvert(unittest.TestCase):
pass
def test_roundtrip(self):
pass
# with open("test_tmp.pmtiles", "wb") as f:
# writer = Writer(f, 7)
# writer.write_tile(1, 0, 0, b"0")
# writer.write_tile(1, 0, 1, b"1")
# writer.write_tile(1, 1, 0, b"2")
# writer.write_tile(1, 1, 1, b"3")
# writer.write_tile(2, 0, 0, b"4")
# writer.write_tile(3, 0, 0, b"5")
# writer.write_tile(2, 0, 1, b"6")
# writer.write_tile(3, 0, 2, b"7")
# writer.finalize({"key": "value"})
with open("test_tmp.pmtiles", "wb") as f:
writer = Writer(f, 7)
writer.write_tile(1, 0, 0, b"0")
writer.write_tile(1, 0, 1, b"1")
writer.write_tile(1, 1, 0, b"2")
writer.write_tile(1, 1, 1, b"3")
writer.write_tile(2, 0, 0, b"4")
writer.write_tile(3, 0, 0, b"5")
writer.write_tile(2, 0, 1, b"6")
writer.write_tile(3, 0, 2, b"7")
writer.finalize({"key": "value"})
# pmtiles_to_mbtiles("test_tmp.pmtiles", "test_tmp.mbtiles", False)
# mbtiles_to_pmtiles("test_tmp.mbtiles", "test_tmp_2.pmtiles", 3, False)
pmtiles_to_mbtiles("test_tmp.pmtiles", "test_tmp.mbtiles", False)
mbtiles_to_pmtiles("test_tmp.mbtiles", "test_tmp_2.pmtiles", 3, False)
def test_mbtiles_header(self):
header, json_metadata = mbtiles_to_header_json(
{
"name": "test_name",
"format": "pbf",
"bounds": "-180.0,-85,180,85",
"center": "-122.1906,37.7599,11",
"minzoom": "1",
"maxzoom": "2",
"attribution": "<div>abc</div>",
"compression": "gzip",
"json": '{"vector_layers":[{"abc":123}],"tilestats":{"def":456}}',
}
)
self.assertEqual(header["min_lon_e7"], -180 * 10000000)
self.assertTrue(isinstance(header["min_lon_e7"], int))
self.assertEqual(header["min_lat_e7"], -85 * 10000000)
self.assertEqual(header["max_lon_e7"], 180 * 10000000)
self.assertEqual(header["max_lat_e7"], 85 * 10000000)
self.assertEqual(header["tile_type"], TileType.MVT)
self.assertEqual(header["center_lon_e7"], -122.1906 * 10000000)
self.assertEqual(header["center_lat_e7"], 37.7599 * 10000000)
self.assertEqual(header["center_zoom"], 11)
self.assertEqual(header["min_zoom"], 1)
self.assertEqual(header["max_zoom"], 2)
self.assertEqual(header["tile_compression"], Compression.GZIP)
self.assertTrue("name" in json_metadata)
self.assertTrue("format" in json_metadata)
self.assertTrue("compression" in json_metadata)
self.assertFalse("center" in json_metadata)
self.assertFalse("bounds" in json_metadata)
self.assertFalse("bounds" in json_metadata)