Fix numpy mypy and add mypy-next (#3995)

Towards #3767

.github/workflows/ci.yml

@@ -42,8 +42,25 @@ jobs:
           architecture: 'x64'
       - name: Install mypy
         run: cat dev_tools/conf/pip-list-dev-tools.txt | grep mypy | xargs pip install
+      - name: Install dependencies
+        run: pip install -r requirements.txt
       - name: Type check
         run: check/mypy
+  mypy-next:
+    name: Type check (next)
+    runs-on: ubuntu-16.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v1
+        with:
+          python-version: '3.7'
+          architecture: 'x64'
+      - name: Install mypy
+        run: cat dev_tools/conf/pip-list-dev-tools.txt | grep mypy | xargs pip install
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+      - name: Type check (for logging only)
+        run: check/mypy --next || true
   changed_files:
     name: Changed files test
     runs-on: ubuntu-16.04

check/mypy

@@ -11,8 +11,16 @@
 cd "$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 cd "$(git rev-parse --show-toplevel)"
 
+config_file='mypy.ini'
+for arg in $@; do
+    if [[ "${arg}" == "--next" ]]; then
+        config_file='mypy-next.ini'
+        shift
+    fi
+done
+
 echo -e -n "\033[31m"
-mypy --config-file=dev_tools/conf/mypy.ini $@ .
+mypy --config-file=dev_tools/conf/$config_file $@ .
 result=$?
 echo -e -n "\033[0m"
 

dev_tools/conf/mypy-next.ini

@@ -0,0 +1,21 @@
+[mypy]
+
+[mypy-__main__]
+follow_imports = silent
+ignore_missing_imports = true
+
+# 3rd-party libs for which we don't have stubs
+[mypy-apiclient.*,freezegun.*,matplotlib.*,mpl_toolkits,multiprocessing.dummy,oauth2client.*,pandas.*,pytest.*,scipy.*,sortedcontainers.*,setuptools.*,pylatex.*,networkx.*,qiskit.*,pypandoc.*,ply.*,_pytest.*,google.api.*,google.api_core.*,grpc.*,google.oauth2.*,google.protobuf.text_format.*,quimb.*,pyquil.*,google.cloud.*,filelock.*,codeowners.*,tqdm.*]
+follow_imports = silent
+ignore_missing_imports = true
+
+#Adding "sympy.* or mypy-sympy to the above list (3rd-party libs for which we don't have stubs) doesn't ignore "cannot find module 'sympy' error
+[mypy-sympy.*]
+ignore_missing_imports = True
+
+# Treat symbols imported from Google's protobuf library as type Any.
+# This supresses errors due to attributes not known to typeshed,
+# e.g. Descriptor._options.
+[mypy-google.protobuf.*]
+follow_imports = skip
+follow_imports_for_stubs = true

dev_tools/conf/mypy.ini

@@ -5,10 +5,15 @@ follow_imports = silent
 ignore_missing_imports = true
 
 # 3rd-party libs for which we don't have stubs
-[mypy-apiclient.*,freezegun.*,matplotlib.*,mpl_toolkits,multiprocessing.dummy,numpy.*,oauth2client.*,pandas.*,pytest.*,scipy.*,sortedcontainers.*,setuptools.*,pylatex.*,networkx.*,qiskit.*,pypandoc.*,ply.*,_pytest.*,google.api.*,google.api_core.*,grpc.*,google.oauth2.*,google.protobuf.text_format.*,quimb.*,pyquil.*,google.cloud.*,filelock.*,codeowners.*,tqdm.*,importlib_metadata.*]
+[mypy-apiclient.*,freezegun.*,matplotlib.*,mpl_toolkits,multiprocessing.dummy,oauth2client.*,pandas.*,pytest.*,scipy.*,sortedcontainers.*,setuptools.*,pylatex.*,networkx.*,qiskit.*,pypandoc.*,ply.*,_pytest.*,google.api.*,google.api_core.*,grpc.*,google.oauth2.*,google.protobuf.text_format.*,quimb.*,pyquil.*,google.cloud.*,filelock.*,codeowners.*,tqdm.*,importlib_metadata.*]
 follow_imports = silent
 ignore_missing_imports = true
 
+# There was no type information before numpy 1.20, so there are numpy mypy issues in the codebase
+[mypy-numpy.*]
+follow_imports = skip
+follow_imports_for_stubs = true
+
 #Adding "sympy.* or mypy-sympy to the above list (3rd-party libs for which we don't have stubs) doesn't ignore "cannot find module 'sympy' error
 [mypy-sympy.*]
 ignore_missing_imports = True

dev_tools/conf/pip-list-dev-tools.txt

@@ -39,4 +39,4 @@ rstcheck~=3.3.1
 freezegun~=0.3.15
 
 # for python 3.7 and below needs to be installed
-importlib-metadata; python_version < '3.8'
+importlib-metadata; python_version < '3.8'