Add more typing to functions

.travis.yml

@@ -5,8 +5,8 @@ python:
 dist: xenial
 sudo: true
 install:
-  - pip install -r requirements.dev.txt
+  - make install
 script:
-  - nosetests --with-coverage --cover-package=shrug_lang
+  - make test
 after_success:
   - coveralls

Makefile

@@ -0,0 +1,14 @@
+install:
+	pip install -r requirements.dev.txt
+
+test:
+	nosetests --with-coverage --cover-package=shrug_lang
+
+build:
+	python setup.py sdist bdist_wheel
+
+clean:
+	rm -rf ./build ./dist ./shrug_lang.egg-info
+
+upload:
+	twine upload --repository-url https://test.pypi.org/legacy/ dist/*

README.md

@@ -6,6 +6,22 @@ Interpreter for the Shrug Programming Language
 
 Shrug is a imperative, dynamically-typed, very very high-level, general-purpose programming language
 
+## Usage
+
+##### Requires Python 3.6+
+
+#### Install
+
+```sh
+pip install shrug-lang
+```
+
+#### Start interpreter
+
+```sh
+shruglang
+```
+
 ## Language spec
 
 #### print

setup.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+from setuptools import setup, find_packages
+
+
+def read_file(name):
+    with open(name) as f:
+        return f.read().strip()
+
+
+install_requires = [
+    'dataclasses',
+]
+
+setup(
+    name='shrug-lang',
+    version='0.0.1',
+    description='Interpreter for the Shrug Programming Language',
+    long_description=read_file('README.md'),
+    long_description_content_type='text/markdown',
+    maintainer='Ben Wu',
+    maintainer_email='bwub124@gmail.com',
+    url='https://github.com/Ben-Wu/ShrugProgrammingLanguage',
+    packages=find_packages(),
+    include_package_data=True,
+    install_requires=install_requires,
+    entry_points="""
+        [console_scripts]
+        shruglang=shrug_lang.interpreter:start_interpreter
+    """,
+    classifiers=[
+        'License :: OSI Approved :: MIT License',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3 :: Only',
+        'Development Status :: 2 - Pre-Alpha',
+    ]
+)

shrug_lang/interpreter.py

@@ -5,18 +5,27 @@
 
 # ¯\_(ツ)_/¯
 
-if __name__ == '__main__':
+
+def start_interpreter():
     parser = TokenParser()
 
-    while True:
-        line = input()
-        tokens = Tokenizer.parse_line(line)
-        try:
-            for token in tokens:
-                val = parser.next_token(token)
-                if val is not None:
-                    print(val)
-        except TokenError as e:
-            print(f'TokenError: {e}', file=stderr)
-        except TypeError as e:
-            print(f'TypeError: {e}', file=stderr)
+    try:
+        while True:
+            print('>> ', end='')
+            line = input()
+            tokens = Tokenizer.parse_line(line)
+            try:
+                for token in tokens:
+                    val = parser.next_token(token)
+                    if val is not None:
+                        print(val)
+            except TokenError as e:
+                print(f'TokenError: {e}', file=stderr)
+            except TypeError as e:
+                print(f'TypeError: {e}', file=stderr)
+    except (EOFError, KeyboardInterrupt):
+        print()
+
+
+if __name__ == '__main__':
+    start_interpreter()