ci: Use setuptools_scm to get version

Use setuptools_scm to unify version information in following packages:

* mbed-os-tools
* mbed-ls
* mbed-host-tests
* mbed-greentea

The `src/mbed_os_tools/VERSION.txt` is removed.

Author: urutva

packages/mbed-greentea/setup.py

@@ -53,7 +53,6 @@ def read(fname):
 
 python_requires = '>=2.7.10, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4'
 setup(name='mbed-greentea',
-      version='1.7.4',
       description=DESCRIPTION,
       long_description=read('README.md'),
       long_description_content_type='text/markdown',
@@ -83,6 +82,10 @@ def read(fname):
           'Topic :: Software Development :: Embedded Systems',
           'Topic :: Software Development :: Testing',
       ),
+      use_scm_version = {
+          "root": "../..",
+          "relative_to": __file__
+      },
       python_requires=python_requires,
       install_requires=requirements,
       tests_require=test_requirements

packages/mbed-greentea/test/mbed_gt_cli.py

@@ -63,6 +63,8 @@ def test_get_greentea_version(self):
         version = mbed_greentea_cli.get_greentea_version()
 
         self.assertIs(type(version), str)
+        extra_info_pos = version.find('dev')
+        version = version[:extra_info_pos-1]
 
         a, b, c = version.split('.')
 

packages/mbed-host-tests/setup.py

@@ -53,7 +53,6 @@ def read(fname):
 
 python_requires = '>=2.7.10, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4'
 setup(name='mbed-host-tests',
-      version='1.5.10',
       description=DESCRIPTION,
       long_description=read('README.md'),
       long_description_content_type='text/markdown',
@@ -85,6 +84,10 @@ def read(fname):
           'Topic :: Software Development :: Embedded Systems',
           'Topic :: Software Development :: Testing',
       ),
+      use_scm_version = {
+          "root": "../..",
+          "relative_to": __file__
+      },
       python_requires=python_requires,
       install_requires=requirements,
       tests_require=test_requirements

packages/mbed-ls/setup.py

@@ -50,7 +50,6 @@ def read(fname):
 
 python_requires = '>=2.7.10, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4'
 setup(name='mbed-ls',
-      version='1.7.12',
       description=DESCRIPTION,
       long_description=read('README.md'),
       long_description_content_type='text/markdown',
@@ -76,6 +75,10 @@ def read(fname):
           'Topic :: Software Development :: Build Tools',
           'Topic :: Software Development :: Embedded Systems',
       ),
+      use_scm_version = {
+          "root": "../..",
+          "relative_to": __file__
+      },
       python_requires=python_requires,
       entry_points={
           "console_scripts": [

setup.py

@@ -52,7 +52,6 @@ def read(fname):
 python_requires = '>=2.7.10, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4'
 setup(
     name="mbed-os-tools",
-    version=read("src/mbed_os_tools/VERSION.txt").strip(),
     description=DESCRIPTION,
     long_description=read("README.md"),
     long_description_content_type='text/markdown',
@@ -63,7 +62,6 @@ def read(fname):
     url="https://github.com/ARMmbed/mbed-os-tools",
     packages=find_packages("src"),
     package_dir={"": "src"},
-    package_data={"": ["VERSION.txt"]},
     license="Apache-2.0",
     test_suite="test",
     classifiers=(
@@ -81,6 +79,7 @@ def read(fname):
         'Topic :: Software Development :: Build Tools',
         'Topic :: Software Development :: Embedded Systems',
     ),
+    use_scm_version=True,
     python_requires=python_requires,
     install_requires=requirements,
     tests_require=test_requirements,

src/mbed_os_tools/VERSION.txt

@@ -12,9 +12,3 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
-import os
-
-_version_file_path = os.path.join(os.path.dirname(__file__), "VERSION.txt")
-with open(_version_file_path, 'r') as _version_file:
-    __version__ = _version_file.read().strip()

src/mbed_os_tools/__init__.py

@@ -19,3 +19,7 @@
 Functionality can be overridden by set of plugins which can provide specialised flashing and reset implementations.
 
 """
+
+from setuptools_scm import get_version
+
+__version__ = get_version(root='../../../..', relative_to=__file__)

src/mbed_os_tools/test/host_tests_runner/__init__.py

@@ -15,7 +15,7 @@
 
 from sys import stdout
 from .mbed_base import Mbed
-from ... import __version__
+from . import __version__
 
 
 class HostTestResults(object):