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new eae5ab2389 GH-50532: [R][CI] R nightly binary upload broken since
github3 to pygithub migration (#50533)
eae5ab2389 is described below
commit eae5ab238987dae1293d977d34666155dfe6448b
Author: Nic Crane <[email protected]>
AuthorDate: Mon Jul 20 04:32:40 2026 -0400
GH-50532: [R][CI] R nightly binary upload broken since github3 to pygithub
migration (#50533)
### Rationale for this change
#48886 replaced github3 with pygithub in archery. Unlike github3,
pygithub's `Auth.Token` requires a non-None string, so `_github_login()`
crashes when no token is provided. The `r_nightly.yml` workflow doesn't pass
`CROSSBOW_GITHUB_TOKEN` to archery, so it has been failing since June 19
(#50532). No R nightly binaries have been uploaded for a month.
### What changes are included in this PR?
Fall back to unauthenticated `Github()` when no token is provided,
restoring the pre-migration behavior. The crossbow repo is public so auth isn't
required for downloading artifacts.
### Are these changes tested?
Tested locally by running `archery crossbow download-artifacts` without a
token set.
### Are there any user-facing changes?
No.
* GitHub Issue: #50532
Authored-by: Nic Crane <[email protected]>
Signed-off-by: Raúl Cumplido <[email protected]>
---
dev/archery/archery/crossbow/core.py | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/dev/archery/archery/crossbow/core.py
b/dev/archery/archery/crossbow/core.py
index 0a9d1bd5d3..e88a08445c 100644
--- a/dev/archery/archery/crossbow/core.py
+++ b/dev/archery/archery/crossbow/core.py
@@ -448,10 +448,12 @@ class Repo:
return blob.data
def _github_login(self, github_token=None):
- """Returns a logged in Github instance using PyGithub"""
+ """Returns a Github instance, optionally authenticated with a token"""
if not _have_github:
raise ImportError('Must install PyGithub')
github_token = github_token or self.github_token
+ if not github_token:
+ return Github(timeout=30)
return Github(auth=GithubAuth.Token(github_token), timeout=30)
def as_github_repo(self, github_token=None):
