Added entrypoint script under speakeasy.cli

Also added `__main__.py` file so that `python -m speakeasy` will also
work.

Author: calebstewart

setup.py

@@ -2,34 +2,35 @@
 
 import setuptools
 
-with open('README.md', 'r', encoding='utf8') as fh:
+with open("README.md", "r", encoding="utf8") as fh:
     long_description = fh.read()
 
-with open("speakeasy/version.py", encoding='utf8') as fp:
+with open("speakeasy/version.py", encoding="utf8") as fp:
     vl = fp.readline()
-    gv, ver_num = vl.split('=')
-    if gv.strip() != '__version__':
-        raise Exception('Invalid version file found')
-    version = ver_num.strip().strip("\"\'")
+    gv, ver_num = vl.split("=")
+    if gv.strip() != "__version__":
+        raise Exception("Invalid version file found")
+    version = ver_num.strip().strip("\"'")
 
 with open("requirements.txt", encoding="utf-8") as f:
     requirements = [line.strip() for line in f.readlines()]
 
 setuptools.setup(
-    name='speakeasy-emulator',
-    author='Andrew Davis',
-    description='Speakeasy malware emulation framework',
+    name="speakeasy-emulator",
+    author="Andrew Davis",
+    description="Speakeasy malware emulation framework",
     version=version,
     long_description=long_description,
-    long_description_content_type='text/markdown',
+    long_description_content_type="text/markdown",
     packages=setuptools.find_packages(),
-    url='https://github.com/fireeye/speakeasy',
+    url="https://github.com/fireeye/speakeasy",
     include_package_data=True,
     install_requires=requirements,
     classifiers=[
         "Programming Language :: Python :: 3",
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
     ],
-    python_requires='>=3.6',
+    python_requires=">=3.6",
+    entry_points={"console_scripts": ["speakeasy=speakeasy.cli:main"]},
 )

speakeasy/__main__.py

@@ -0,0 +1,4 @@
+# Copyright (C) 2020 FireEye, Inc. All Rights Reserved.
+from speakeasy.cli import main
+
+main()

run_speakeasy.py speakeasy/cli.py

@@ -197,7 +197,8 @@ def __init__(self, parser):
                     f.write(report)
 
 
-if __name__ == '__main__':
+def main():
+    """ speakeasy command line entrypoint """
 
     parser = argparse.ArgumentParser(description='Emulate a Windows binary with speakeasy')
     parser.add_argument('-t', '--target', action='store', dest='target',
@@ -245,3 +246,6 @@ def __init__(self, parser):
                                              'speakeasy itself (using pdb.set_trace()).\n')
 
     Main(parser)
+
+if __name__ == "__main__":
+    main()