normalized name when registering package at upload

src/poetry/publishing/uploader.py

@@ -77,13 +77,10 @@ def adapter(self) -> adapters.HTTPAdapter:
     def files(self) -> list[Path]:
         dist = self._poetry.file.parent / "dist"
         version = self._package.version.to_string()
+        escaped_name = distribution_name(self._package.name)
 
-        wheels = list(
-            dist.glob(f"{distribution_name(self._package.name)}-{version}-*.whl")
-        )
-        tars = list(
-            dist.glob(f"{distribution_name(self._package.name)}-{version}.tar.gz")
-        )
+        wheels = list(dist.glob(f"{escaped_name}-{version}-*.whl"))
+        tars = list(dist.glob(f"{escaped_name}-{version}.tar.gz"))
 
         return sorted(wheels + tars)
 
@@ -303,7 +300,8 @@ def _register(self, session: requests.Session, url: str) -> requests.Response:
         Register a package to a repository.
         """
         dist = self._poetry.file.parent / "dist"
-        file = dist / f"{self._package.name}-{self._package.version.to_string()}.tar.gz"
+        escaped_name = distribution_name(self._package.name)
+        file = dist / f"{escaped_name}-{self._package.version.to_string()}.tar.gz"
 
         if not file.exists():
             raise RuntimeError(f'"{file.name}" does not exist.')

tests/helpers.py

@@ -11,7 +11,6 @@
 from typing import TYPE_CHECKING
 from typing import Any
 
-from poetry.core.masonry.utils.helpers import distribution_name
 from poetry.core.packages.package import Package
 from poetry.core.packages.utils.link import Link
 from poetry.core.toml.file import TOMLFile
@@ -235,7 +234,7 @@ def find_packages(self, dependency: Dependency) -> list[Package]:
     def find_links_for_package(self, package: Package) -> list[Link]:
         return [
             Link(
-                f"https://foo.bar/files/{distribution_name(package.name)}"
+                f"https://foo.bar/files/{package.name.replace('-', '_')}"
                 f"-{package.version.to_string()}-py2.py3-none-any.whl"
             )
         ]