Merge commit '2983049a7' into anoa/dinsic_release_1_21_x

* commit '2983049a7':
  Factor out `_send_dummy_event_for_room` (#8370)
  Improve logging of state resolution (#8371)
  Fix bug which caused failure on join with malformed membership events (#8385)
  Use `async with` for ID gens (#8383)
  Don't push if an user account has expired (#8353)
  Do not check lint/test dependencies at runtime. (#8377)
  Add note to reverse_proxy.md about disabling Apache's mod_security2 (#8375)
  Changelog

1 files changed, 16 insertions, 0 deletions

diff --git a/setup.py b/setup.py

index 54ddec8f9f..926b1bc86f 100755
--- a/setup.py
+++ b/setup.py
@@ -94,6 +94,22 @@ ALL_OPTIONAL_REQUIREMENTS = dependencies["ALL_OPTIONAL_REQUIREMENTS"]
 # Make `pip install matrix-synapse[all]` install all the optional dependencies.
 CONDITIONAL_REQUIREMENTS["all"] = list(ALL_OPTIONAL_REQUIREMENTS)
 
+# Developer dependencies should not get included in "all".
+#
+# We pin black so that our tests don't start failing on new releases.
+CONDITIONAL_REQUIREMENTS["lint"] = [
+    "isort==5.0.3",
+    "black==19.10b0",
+    "flake8-comprehensions",
+    "flake8",
+]
+
+# Dependencies which are exclusively required by unit test code. This is
+# NOT a list of all modules that are necessary to run the unit tests.
+# Tests assume that all optional dependencies are installed.
+#
+# parameterized_class decorator was introduced in parameterized 0.7.0
+CONDITIONAL_REQUIREMENTS["test"] = ["mock>=2.0", "parameterized>=0.7.0"]
 
 setup(
     name="matrix-synapse",