Rebuild for PyPy3.7 for windows

.ci_support/migrations/pypy37-windows.yaml

@@ -0,0 +1,33 @@
+migrator_ts: 1623865877
+__migrator:
+    migration_number: 1
+    operation: key_add
+    primary_key: python
+    ordering:
+        python:
+            - 3.6.* *_cpython
+            - 3.7.* *_cpython
+            - 3.8.* *_cpython
+            - 3.9.* *_cpython
+            - 3.6.* *_73_pypy
+            - 3.7.* *_73_pypy  # new entry
+    paused: False
+    longterm: True
+    pr_limit: 6
+    bump_number: 0
+    wait_for_migrators:
+      - pypy37
+    commit_message: "Rebuild for PyPy3.7 for windows"
+    exclude:
+      # this shouldn't attempt to modify the python feedstocks
+      - python
+      - pypy3.6
+      - pypy-meta
+
+python:                # [win]
+  - 3.7.* *_73_pypy    # [win]
+# additional entries to add for zip_keys
+numpy:                 # [win]
+  - 1.19               # [win]
+python_impl:           # [win]
+  - pypy               # [win]

.ci_support/win_64_python3.7.____73_pypy.yaml

@@ -0,0 +1,14 @@
+c_compiler:
+- vs2017
+channel_sources:
+- conda-forge,defaults
+channel_targets:
+- conda-forge main
+pin_run_as_build:
+  python:
+    min_pin: x.x
+    max_pin: x.x
+python:
+- 3.7.* *_73_pypy
+target_platform:
+- win-64

recipe/meta.yaml

@@ -10,6 +10,7 @@ source:
   patches:
     - disable_exchange_modules.patch
     - 0003-remove-PATH-pth-hack.patch
+    - remove_bdist_msi_to_support_pypy.patch
 
 build:
   number: 0

recipe/remove_bdist_msi_to_support_pypy.patch

@@ -0,0 +1,21 @@
+--- setup.py        2021-08-22 12:39:24.017489412 -0700
++++ setup.py    2021-08-22 12:39:42.477672163 -0700
+@@ -79,8 +79,6 @@
+ from distutils.command.install_data import install_data
+ from distutils.command.build_scripts import build_scripts
+
+-from distutils.command.bdist_msi import bdist_msi
+-
+ from distutils.msvccompiler import get_build_version
+ from distutils import log
+
+@@ -2299,9 +2297,6 @@
+                      "title": "pywin32-%s" % (build_id,),
+                      "user_access_control": "auto",
+                     },
+-                 "bdist_msi":
+-                    {"install_script": "pywin32_postinstall.py",
+-                    },
+                 },
+
+       scripts = ["pywin32_postinstall.py", "pywin32_testall.py"],