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Fix/configurable user agent #2620

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Fix/configurable user agent #2620

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29aec07
Avoid panic and return helpful error when torch version is not specified
Jan 8, 2026
84e7f32
Make User-Agent configurable for external URL fetches
Jan 8, 2026
eab1d5b
Merge branch 'main' into fix/configurable-user-agent
markphelps Jan 14, 2026
ed7b060
Merge branch 'main' into fix/configurable-user-agent
markphelps Jan 14, 2026
e21492c
Merge branch 'main' into fix/configurable-user-agent
markphelps Jan 15, 2026
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5 changes: 5 additions & 0 deletions pkg/config/compatibility.go
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Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,11 @@ func cudaVersionFromTorchPlusVersion(ver string) (string, string) {
}

func cudasFromTorch(ver string) ([]string, error) {
if ver == "" {
return nil, fmt.Errorf(
"torch version must be specified when using CUDA",
)
}
cudas := []string{}

// Check the version modifier on torch (such as +cu118)
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9 changes: 8 additions & 1 deletion python/cog/types.py
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Expand Up @@ -380,7 +380,14 @@ def __wrapped__(self) -> Any:
except AttributeError:
pass
url = object.__getattribute__(self, "__url__")
resp = requests.get(url, stream=True, timeout=10)

headers = {}
ua = os.getenv("COG_USER_AGENT")
if ua:
headers["User-Agent"] = ua

resp = requests.get(url, stream=True, timeout=10,headers=headers)

resp.raise_for_status()
resp.raw.decode_content = True
object.__setattr__(self, "__target__", resp.raw)
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