jorisvandenbossche commented on a change in pull request #8067:
URL: https://github.com/apache/arrow/pull/8067#discussion_r478501543
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File path: python/pyarrow/_fs.pyx
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@@ -419,17 +420,27 @@ cdef class FileSystem(_Weakrefable):
vector[c_string] paths
CFileSelector selector
+ single_path = False
if isinstance(paths_or_selector, FileSelector):
with nogil:
selector = (<FileSelector>paths_or_selector).selector
infos = GetResultValue(self.fs.GetFileInfo(selector))
- elif isinstance(paths_or_selector, (list, tuple)):
- paths = [_path_as_bytes(s) for s in paths_or_selector]
+ else:
+ if isinstance(paths_or_selector, (list, tuple)):
+ paths = [_path_as_bytes(s) for s in paths_or_selector]
+ else:
+ try:
+ paths = [_path_as_bytes(paths_or_selector)]
+ except TypeError:
+ raise TypeError(
+ "Must pass either path(s) or a FileSelector"
+ )
+ single_path = True
with nogil:
infos = GetResultValue(self.fs.GetFileInfo(paths))
Review comment:
I only noticed afterwards that `GetFileInfo` can also accept a single
string instead of a vector (and which is exposed in libarrow_fs.pxd). That
might be a bit cleaner than the above
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