refactor(utils): Remove unused utils and their corresponding tests

src/powerapi/utils/__init__.py

@@ -27,7 +27,6 @@
 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-from powerapi.utils.utils import timestamp_to_datetime, datetime_to_timestamp, dict_merge
-from powerapi.utils.tree import Tree
-from powerapi.utils.stat_buffer import StatBuffer
 from .json_stream import JsonStream
+from .tree import Tree
+from .utils import timestamp_to_datetime

src/powerapi/utils/cli.py

@@ -73,31 +73,3 @@ def merge_dictionaries(source: dict, destination: dict) -> dict:
                                                                      destination[current_source_key])
 
     return destination
-
-
-def generate_group_configuration_from_environment_variables_dict(environ_vars: dict, prefix: str,
-                                                                 var_names: list) -> dict:
-    """
-    Generate a group configuration by using a dictionary of environment variables.
-    :param environ_vars: Dictionary for generating the configuration
-    :param prefix: the prefix of the environment variables in environ_vars (all variable starts vy prefix)
-    :param var_names: the variables names related to the group configuration (each variable has as suffix a name
-    in this list)
-    """
-    conf = {}
-
-    for environ_var_name, var_value in environ_vars:
-        # We remove the prefix : <group_name_var_name> is the result
-        suffix_var_name = environ_var_name[len(prefix) - len(environ_var_name):].lower()
-
-        for var_name in var_names:
-            # the var_name has to be at the end of the suffix
-            var_name_lower_case = var_name.lower()
-            if suffix_var_name.endswith(var_name_lower_case):
-                # The group's name is at the begining of the
-                group_var_name = suffix_var_name[0:suffix_var_name.find(var_name_lower_case) - 1]
-                if group_var_name not in conf:
-                    conf[group_var_name] = {}
-                conf[group_var_name][var_name_lower_case] = var_value
-                break
-    return conf

src/powerapi/utils/utils.py

@@ -27,7 +27,6 @@
 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-import collections.abc as collections
 import datetime
 
 
@@ -39,29 +38,3 @@ def timestamp_to_datetime(timestamp):
     :rtype: datetime.datetime
     """
     return datetime.datetime.fromtimestamp(timestamp / 1000)
-
-
-def datetime_to_timestamp(date):
-    """
-    Cast a datetime object to a simple timestamp
-
-    :param datetime.datetime date:
-    :rtype: int
-    """
-    return int(datetime.datetime.timestamp(date) * 1000)
-
-
-def dict_merge(dict1, dict2):
-    """
-    Recursive dict merge, act like dict.update() but update
-    all level and not only top-level.
-
-    :param dict dict1:
-    :param dict dict2:
-
-    """
-    for key, value in dict2.items():
-        if (key in dict1 and isinstance(dict1[key], dict) and isinstance(dict2[key], collections.Mapping)):
-            dict_merge(dict1[key], dict2[key])
-        else:
-            dict1[key] = value