HyukjinKwon commented on code in PR #37445:
URL: https://github.com/apache/spark/pull/37445#discussion_r941160451
##########
python/pyspark/context.py:
##########
@@ -1249,9 +1249,37 @@ def addFile(self, path: str, recursive: bool = False) ->
None:
... return [x * fileVal for x in iterator]
>>> sc.parallelize([1, 2, 3, 4]).mapPartitions(func).collect()
[100, 200, 300, 400]
+ >>> sc.listFiles
+ ['file:/.../test.txt']
+ >>> path2 = os.path.join(tempdir, "test2.txt")
+ >>> with open(path2, "w") as testFile:
+ ... _ = testFile.write("100")
+ >>> sc.addFile(path2)
+ >>> sc.listFiles
+ ['file:/.../test.txt', 'file:/.../test2.txt']
"""
self._jsc.sc().addFile(path, recursive)
+ @property
+ def listFiles(self) -> List[str]:
+ """Returns a list of file paths that are added to resources.
+
+ .. versionadded:: 3.4.0
+
+ See Also
+ --------
+ SparkContext.addFile
+ """
+ jfiles = self._jsc.sc().listFiles()
+ if jfiles is None:
+ return []
+ else:
+ files = []
Review Comment:
Maybe:
```python
list(self._jvm.scala.collection.JavaConverters.seqAsJavaList(self._jsc.sc().listFiles()))
```
Seems like it can't be `None` anyway.
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