feat: drop support for py2/py3 compatible libraries (#225)

README.md

@@ -59,9 +59,7 @@ By the running the `ucc-gen` command, the following steps are executed:
 
     | File Name            | Description                         | Output directory in UCC build |
     |----------------------|-------------------------------------|-------------------------------|
-    | lib/requirements.txt     | Python2/Python3 compatible packages | output/<package_ID>/lib       |
-    | lib/py2/requirements.txt | Only Python2 compatible packages    | output/<package_ID>/lib/py2   |
-    | lib/py3/requirements.txt | Only Python3 compatible packages    | output/<package_ID>/lib/py3   |
+    | lib/requirements.txt     | Python3 compatible packages | output/<package_ID>/lib   |
 
 7. Replace tokens in views.
 8. Copy addon's `package/*` to `output/<package_ID>/*` directory.

docs/how_to_use.rst

@@ -33,9 +33,7 @@ What ucc-gen does
 * Collect and install Addon's requirements into :code:`output/<package_ID>/lib` directory of addon's package.
 * For the addon's requirements, packages are installed according to following table:
 
-  * :code:`lib/requirements.txt` - install Python2/Python3 compatible packages into :code:`output/<package_ID>/lib`
-  * :code:`lib/py2/requirements.txt` - install Python2 compatible packages into :code:`output/<package_ID>/lib2`
-  * :code:`lib/py3/requirements.txt` - install Python3 compatible packages into :code:`output/<package_ID>/lib3`
+  * :code:`lib/requirements.txt` - install Python3 compatible packages into :code:`output/<package_ID>/lib`
 
 * Replace tokens in views.
 * Copy addon's :code:`package/*` to :code:`output/<package_ID>/*` directory.

splunk_add_on_ucc_framework/__init__.py

@@ -297,25 +297,7 @@ def _install_libs(requirements, ucc_target, installer="python3"):
         logging.info(f"  Uses common requirements")    
         _install_libs(requirements=os.path.join(os.path.abspath(os.path.join(path, os.pardir)), "requirements.txt"), ucc_target=ucc_lib_target)
     else:
-        logging.info(f"  Not using common requirements")    
-
-    if os.path.exists(os.path.join(path,"lib","py2", "requirements.txt")):
-        logging.info(f"  Uses py2 requirements")    
-        _install_libs(requirements=os.path.join(path,"lib","py2", "requirements.txt"), installer="python2", ucc_target=os.path.join(ucc_lib_target, "py2"))
-    elif os.path.exists(os.path.join(os.path.abspath(os.path.join(path, os.pardir)), "requirements_py2.txt")):
-        logging.info(f"  Uses py2 requirements")    
-        _install_libs(requirements=os.path.join(os.path.abspath(os.path.join(path, os.pardir)), "requirements_py2.txt"), installer="python2", ucc_target=os.path.join(ucc_lib_target, "py2"))        
-    else:
-        logging.info(f"  Not using py2 requirements")    
-
-    if os.path.exists(os.path.join(path, "lib","py3","requirements.txt")):
-        logging.info(f"  Uses py3 requirements")            
-        _install_libs(requirements=os.path.join(path,"lib", "py3","requirements.txt"), ucc_target=os.path.join(ucc_lib_target, "py3"))
-    elif os.path.exists(os.path.join(os.path.abspath(os.path.join(path, os.pardir)), "requirements_py3.txt")):
-        logging.info(f"  Uses py3 requirements")    
-        _install_libs(requirements=os.path.join(os.path.abspath(os.path.join(path, os.pardir)), "requirements_py3.txt"), installer="python3", ucc_target=os.path.join(ucc_lib_target, "py2"))        
-    else:
-        logging.info(f"  Not using py3 requirements")    
+        logging.info(f"  Not using common requirements")
 
 
 def remove_files(path):