Add missing dependency on importlib_metadata

Missed in #12088. We got away with it because we were indirectly requiring it via other packages. Without this change, we encounter pain in `poetry export`; and besides, we should be explicit about our direct dependencies.
matrix-org · Apr 5, 2022 · 2f8ec8d · 2f8ec8d
1 parent 70195e4
commit 2f8ec8d
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diff --git a/pyproject.toml b/pyproject.toml
@@ -167,6 +167,9 @@ ijson = ">=3.1.4"
 matrix-common = "~=1.1.0"
 # We need packaging.requirements.Requirement, added in 16.1.
 packaging = ">=16.1"
+# At the time of writing, we only use functions from the version `importlib.metadata`
+# which shipped in Python 3.8. This corresponds to version 1.4 of the backport.
+importlib_metadata = { version = ">=1.4", python = "<3.8" }
 
 
 # Optional Dependencies

diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
@@ -89,6 +89,9 @@
     "matrix-common~=1.1.0",
     # We need packaging.requirements.Requirement, added in 16.1.
     "packaging>=16.1",
+    # At the time of writing, we only use functions from the version `importlib.metadata`
+    # which shipped in Python 3.8. This corresponds to version 1.4 of the backport.
+    "importlib_metadata>=1.4; python_version < 3.8",
 ]
 
 CONDITIONAL_REQUIREMENTS = {