Add GitHub action config for CI testing (replace travis) (#98)

Add GitHub action config for CI testing

Migrating from Travis

.github/workflows/pasta.yml

@@ -0,0 +1,36 @@
+# This workflow will install Python dependencies, run tests and lint all support python versions
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: pasta
+
+on: [ push ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+       # TODO: Add 3.4 when possible
+        python-version: ["2.7", "3.5.10", "3.6.15", "3.7.12", "3.8.12", "3.9.9"]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install flake8 pytest
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Test with setuptools
+      run: |
+        python setup.py test

pasta/base/annotate_test.py

@@ -505,8 +505,8 @@ def test_indent_levels(self):
   bar('a1'))
 bar('x')
         """)
-    t = pasta.parse(src, astlib=astlib)
-    call_nodes = ast_utils.find_nodes_by_type(t, astlib.Call, astlib=astlib)
+    t = pasta.parse(src)
+    call_nodes = ast_utils.find_nodes_by_type(t, _ast.Call)
     call_nodes.sort(key=lambda node: node.lineno)
     foo, bar_arg, bar = call_nodes
 

testdata/ast/golden/3.9/fstring.out

@@ -79,15 +79,15 @@
 (13, 6)      BinOp                	prefix=||	suffix=||	indent=||
 (15, 5)      Constant             	prefix=||	suffix=||	indent=||
 (18, 2)      BinOp                	prefix=||	suffix=||	indent=||
-(21, 1)      Name a               	prefix=||	suffix=||	indent=||
-(23, 1)      Name b               	prefix=||	suffix=||	indent=||
-(25, 1)      Name c               	prefix=||	suffix=||	indent=||
+(21, 3)      Name a               	prefix=||	suffix=||	indent=||
+(23, 3)      Name b               	prefix=||	suffix=||	indent=||
+(25, 3)      Name c               	prefix=||	suffix=||	indent=||
 (25, 0)      JoinedStr            	prefix=||	suffix=||	indent=||
-(27, 1)      Name c               	prefix=||	suffix=|  |	indent=||
+(27, 3)      Name c               	prefix=||	suffix=|  |	indent=||
 (27, 0)      JoinedStr            	prefix=||	suffix=| |	indent=||
-(29, 1)      Name f               	prefix=||	suffix=||	indent=||
+(29, 3)      Name f               	prefix=||	suffix=||	indent=||
 (29, 0)      JoinedStr            	prefix=||	suffix=||	indent=||
-(31, 1)      Name h               	prefix=||	suffix=| |	indent=||
+(31, 3)      Name h               	prefix=||	suffix=| |	indent=||
 (31, 0)      JoinedStr            	prefix=||	suffix=||	indent=||
 (34, 2)      Name l               	prefix=||	suffix=||	indent=||
 (33, 0)      JoinedStr            	prefix=||	suffix=| |	indent=||