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Move json metadata saving to end of tile generation

This commit is contained in:
LilyRose2798 2024-04-10 18:39:20 +10:00
parent 28e5196412
commit dd2105a1a7
1 changed files with 33 additions and 27 deletions
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60
ipmap.py
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@ -81,39 +81,15 @@ def generate_tiles(parquet_path: Path, tiles_dir: Path, *, tile_size = default_t
else:
raise ValueError(f"unknown variant '{variant}'")
if json_path:
if json_path is not None:
if json_path.is_dir():
raise ValueError("json path must not be a directory")
try:
tiles_dir_parts = tiles_dir.relative_to(json_path.parent).parts
except ValueError:
raise ValueError("tiles path must be relative to the json path")
try:
text = json_path.read_text(encoding = "UTF-8")
except:
if not quiet:
print("json file not found at provided path, so it will be created instead")
tile_metadata = {}
else:
try:
tile_metadata: dict = json.loads(text)
except:
raise ValueError("invalid json found at provided path")
tile_metadata_cur = tile_metadata
for part in tiles_dir_parts:
if not part in tile_metadata_cur:
tile_metadata_cur[part] = {}
tile_metadata_cur = tile_metadata_cur[part]
for variant in variants:
if not variant in tile_metadata_cur:
tile_metadata_cur[variant] = colormaps
else:
tile_metadata_cur[variant] = dedup_preserving_order(tile_metadata_cur[variant] + colormaps)
if not quiet:
print(f"writing metadata to json file at '{json_path}'...", end = " ", flush = True)
json_path.write_text(json.dumps(tile_metadata, indent=2), encoding = "UTF-8")
if not quiet:
print("done")
else:
tiles_dir_parts = None
if not quiet:
print(f"reading parquet '{parquet_path}'...", end = " ", flush = True)
@ -186,6 +162,36 @@ def generate_tiles(parquet_path: Path, tiles_dir: Path, *, tile_size = default_t
if tiles_per_side == 1:
break
scale_down_coords()
if json_path is not None and tiles_dir_parts is not None:
try:
text = json_path.read_text(encoding = "UTF-8")
except:
if not quiet:
print("json file not found at provided path, so it will be created instead")
tile_metadata = {}
else:
try:
tile_metadata: dict = json.loads(text)
except:
if not quiet:
print("invalid json found at provided path, so re-creating file")
tile_metadata = {}
tile_metadata_cur = tile_metadata
for part in tiles_dir_parts:
if not part in tile_metadata_cur:
tile_metadata_cur[part] = {}
tile_metadata_cur = tile_metadata_cur[part]
for variant in variants:
if not variant in tile_metadata_cur:
tile_metadata_cur[variant] = colormaps
else:
tile_metadata_cur[variant] = dedup_preserving_order(tile_metadata_cur[variant] + colormaps)
if not quiet:
print(f"writing metadata to json file at '{json_path}'...", end = " ", flush = True)
json_path.write_text(json.dumps(tile_metadata, indent=2), encoding = "UTF-8")
if not quiet:
print("done")
def remove_tiles(tiles_dir: Path, *, json_path: Path | None = None, quiet = False):
if not tiles_dir.is_dir():