update appveyor

Author: Amin

.appveyor.yml

@@ -1,18 +1,9 @@
-build: false
-
-platform:
-  - x64
-
-clone_folder: c:\projects\project-code
-
-cache:
-  - c:\ProgramData\chocolatey\bin -> .appveyor.yml
-  - c:\ProgramData\chocolatey\lib -> .appveyor.yml
+clone_folder: c:\projects\python-ffmpeg-video-streaming
 
 environment:
   global:
-    COMPOSER_NO_INTERACTION: 1
-    ANSICON: 121x90 (121x90) # Console colors
+    CMD_IN_ENV: "cmd /E:ON /V:ON /C .\\appveyor\\run_with_env.cmd"
+    JANSSON_VERSION: "2.13"
 
   ffmpeg_download: https://www.gyan.dev/ffmpeg/builds/packages/ffmpeg-5.0-essentials_build.zip
 
@@ -53,21 +44,26 @@ environment:
       OPENSSL_LIB: "https://ci.appveyor.com/api/buildjobs/q63539qt9yqaqspo/artifacts/YARA.OpenSSL.x64.1.1.1.nupkg"
       VS: "Visual Studio 14 2015 Win64"
 
-init:
-  - ECHO %PYTHON% %PYTHON_VERSION% %PYTHON_ARCH%
-
 install:
-  - set PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%
-  - python --version
+  - ps: if ($env:APPVEYOR_PULL_REQUEST_NUMBER -and $env:APPVEYOR_BUILD_NUMBER -ne ((Invoke-RestMethod `
+        https://ci.appveyor.com/api/projects/$env:APPVEYOR_ACCOUNT_NAME/$env:APPVEYOR_PROJECT_SLUG/history?recordsNumber=50).builds | `
+        Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { `
+          throw "There are newer queued builds for this pull request, failing early." }
+  - ps: "[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12"
+  - ps: if (-not(Test-Path($env:PYTHON))) { & appveyor\install.ps1 }
+  - "echo %APPVEYOR_BUILD_WORKER_IMAGE%"
+  - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
+  - "python --version"
   - "python -c \"import struct; print(struct.calcsize('P') * 8)\""
-  - python -m pip install -U pip
-  - python -m easy_install -U setuptools
-  - pip install -r requirements.txt
+  - "python -m pip install --disable-pip-version-check --user --upgrade pip"
+  - "%CMD_IN_ENV% pip install wheel"
+  - "python -m easy_install -U setuptools"
+  - "pip install -r requirements.txt"
   - ps: Start-FileDownload $env:ffmpeg_download
 
   - 7z x ffmpeg-5.0-essentials_build.zip
   - PATH=%PATH%;%cd%\ffmpeg-5.0-essentials_build\bin
 
 test_script:
-  - cd c:\projects\project-code
+  - cd c:\projects\python-ffmpeg-video-streaming
   - python -m unittest