Moving code from src/ to base and adding dependency checks (#10)

* Moving code from src to root.

.travis.yml

@@ -25,6 +25,6 @@ install:
 - pip install -r requirements.txt
 - pip install coverage
 script:
-- if test ${TARGET} = "linux-python36"; then coverage run --source=plasoscaffolder ./src/run_tests_for_coverage.py test; else ./src/run_tests.py; fi
+- if test ${TARGET} = "linux-python36"; then coverage run --source=plasoscaffolder ./run_tests_for_coverage.py test; else ./run_tests.py; fi
 after_success:
 - if test ${TARGET} = "linux-python36"; then curl -o codecov.sh -s https://codecov.io/bash && /bin/bash ./codecov.sh; fi

appveyor.yml

@@ -17,7 +17,7 @@ test_script:
   # Note that you must use the environment variable %PYTHON% to refer to
   # the interpreter you're using - Appveyor does not do anything special
   # to put the Python evrsion you want to use on PATH.
-  - "%PYTHON%\\python.exe src\\run_tests.py test"
+  - "%PYTHON%\\python.exe run_tests.py test"
 
 after_test:
   # This step builds your wheels.

dependencies.ini

@@ -0,0 +1,35 @@
+[click]
+dpkg_name: python3-click
+minimum_version: 6.7
+pypi_name: click
+version_property: __version__
+
+[setuptools]
+dpkg_name: python3-setuptools
+minimum_version: 35.0.2
+pypi_name: setuptools
+version_property: __version__
+
+[jinja2]
+dpkg_name: python3-jinja2
+minimum_version: 2.9.6
+pypi_name: jinja2
+version_property: __version__
+
+[colorama]
+dpkg_name: python3-colorama
+minimum_version: 0.3.7
+pypi_name: colorama
+version_property: __version__
+
+[yapf]
+dpkg_name: python3-yapf
+minimum_version: 0.16.1
+pypi_name: yapf
+version_property: __version__
+
+[pexpect]
+dpkg_name: python3-pexpect
+minimum_version: 4.2.1
+pypi_name: pexpect
+version_property: __version__

utils/__init__.py

@@ -0,0 +1 @@
+# -*- coding: utf-8 -*-

utils/check_dependencies.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""Script to check for the availability and version of dependencies."""
+
+from __future__ import print_function
+from __future__ import unicode_literals
+
+import sys
+
+# Change PYTHONPATH to include dependencies.
+sys.path.insert(0, '.')
+
+import utils.dependencies  # pylint: disable=wrong-import-position
+
+
+if __name__ == '__main__':
+  dependency_helper = utils.dependencies.DependencyHelper()
+
+  if not dependency_helper.CheckDependencies():
+    build_instructions_url = (
+        'https://github.com/log2timeline/plaso/wiki/Users-Guide')
+
+    print('See: {0:s} on how to set up plaso scaffolder.'.format(
+        build_instructions_url))
+    print('')