Fokko commented on code in PR #2291:
URL: https://github.com/apache/iceberg-python/pull/2291#discussion_r2282336684
##########
pyiceberg/io/pyarrow.py:
##########
@@ -381,21 +381,38 @@ def to_input_file(self) -> PyArrowFile:
class PyArrowFileIO(FileIO):
fs_by_scheme: Callable[[str, Optional[str]], FileSystem]
+ config: Config
def __init__(self, properties: Properties = EMPTY_DICT):
self.fs_by_scheme: Callable[[str, Optional[str]], FileSystem] =
lru_cache(self._initialize_fs)
+ self.config = Config()
super().__init__(properties=properties)
@staticmethod
- def parse_location(location: str) -> Tuple[str, str, str]:
- """Return the path without the scheme."""
+ def parse_location(location: str, config: Config) -> Tuple[str, str, str]:
+ """Return (scheme, netloc, path) for the given location.
+
+ Uses environment variables DEFAULT_SCHEME and DEFAULT_NETLOC
+ if scheme/netloc are missing.
+ """
uri = urlparse(location)
- if not uri.scheme:
- return "file", uri.netloc, os.path.abspath(location)
- elif uri.scheme in ("hdfs", "viewfs"):
- return uri.scheme, uri.netloc, uri.path
+
+ # Load defaults from environment
+ default_scheme = config.get_str("default-scheme") or "file"
+ default_netloc = config.get_str("default-netloc") or ""
+
Review Comment:
This would look something like:
```python
PyArrowFileIO(**{
'hdfs.default-scheme': 'hdfs',
'hdfs.default-netloc': 'netloc:8000',
})
```
Or you can set them through environment variables:
```sh
export PYICEBERG_CATALOG__DEFAULT__HDFS__DEFAULT_SCHEME=hdfs
```
PyIceberg will automatically inject these into a catalog with the name
`default`:
```python
load_catalog('default') # Will pass in `hdfs.default-scheme` above
```
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