Add support for generating binaries with pyinstaller (#731)

.github/workflows/pyinstaller.yml

@@ -0,0 +1,40 @@
+name: Build binary
+
+on:
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - windows-latest
+          - macos-latest
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python
+      uses: actions/setup-python@v1
+      with:
+        python-version: '3.x'
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements/requirements.txt
+        pip install -r requirements/requirements_dev.txt
+        pip install pyinstaller
+
+    - name: Build binary
+      run: |
+        invoke build-binary
+
+    - name: Test the binary
+      run:
+        invoke test-binary
+
+    - name: Prepare binary for upload
+      run:
+        invoke prepare-binary
+

aws-gate.spec

@@ -0,0 +1,24 @@
+# -*- mode: python -*-
+
+block_cipher = None
+
+a = Analysis(['bin/aws-gate'],
+             pathex=['.'],
+             hiddenimports=[],
+             hookspath=None,
+             runtime_hooks=None,
+             cipher=block_cipher)
+
+pyz = PYZ(a.pure,
+          cipher=block_cipher)
+
+exe = EXE(pyz,
+          a.scripts,
+          a.binaries,
+          a.zipfiles,
+          a.datas,
+          name='aws-gate',
+          debug=False,
+          strip=None,
+          upx=True,
+          console=True)

requirements/requirements_dev.txt

@@ -7,6 +7,7 @@ flake8==3.8.4
 flake8-bandit==2.1.2
 flake8-bugbear==20.11.1
 hypothesis==6.2.0
+invoke==1.5.0
 placebo==0.9.0
 pre-commit==2.10.1
 pylint==2.6.0

tasks.py

@@ -0,0 +1,37 @@
+import hashlib
+import os
+import platform
+
+from invoke import task
+
+
+@task
+def build_binary(ctx):
+    ctx.run("pyinstaller ./aws-gate.spec")
+
+
+@task
+def test_binary(ctx):
+    ctx.run("./dist/aws-gate --version")
+    ctx.run("./dist/aws-gate --help")
+
+
+@task
+def prepare_binary(ctx):  # pylint: disable=unused-argument
+    binary_name = "aws-gate"
+    binary_path = f"./dist/{binary_name}"
+    platform_suffix = f"{platform.system()}_{platform.machine()}"
+    platform_binary_name = f"{binary_name}-{platform_suffix}"
+    platform_binary_path = f"{binary_path}-{platform_suffix}"
+
+    os.rename(binary_path, platform_binary_path)
+
+    with open(f"{platform_binary_path}-sha256sum.txt", "w") as h:
+        with open(f"{platform_binary_path}", "rb") as f:
+            hash = hashlib.sha256(f.read()).hexdigest()
+            h.write(f"{hash}  {platform_binary_name}\n")
+
+
+@task
+def clean_binary(ctx):
+    ctx.run("rm -vrf ./dist")