Remove numpy dependency (#947)

* Refactor code for future `numpy` removal

* Remove `numpy` dependency

* Update dependencies

nettacker/core/utils/common.py

@@ -10,8 +10,7 @@
 import string
 import sys
 import time
-
-import numpy
+from itertools import product
 
 from nettacker import logger
 
@@ -184,25 +183,26 @@ def generate_and_replace_md5(content):
 
 
 def generate_target_groups(targets, set_hardware_usage):
+    """
+    Split a list of targets into smaller sublists based on a specified size.
+    """
     if not targets:
         return targets
 
     targets_total = len(targets)
-    return [
-        targets.tolist()
-        for targets in numpy.array_split(
-            targets,
-            (set_hardware_usage if set_hardware_usage <= targets_total else targets_total),
-        )
-    ]
+    split_size = min(set_hardware_usage, targets_total)
+
+    # Calculate the size of each chunk.
+    chunk_size = (targets_total + split_size - 1) // split_size
+
+    return [targets[i : i + chunk_size] for i in range(0, targets_total, chunk_size)]
 
 
 def arrays_to_matrix(arrays):
-    return (
-        numpy.array(numpy.meshgrid(*[arrays[array_name] for array_name in arrays]))
-        .T.reshape(-1, len(arrays.keys()))
-        .tolist()
-    )
+    """
+    Generate a Cartesian product of input arrays as a list of lists.
+    """
+    return [list(item) for item in product(*[arrays[array_name] for array_name in arrays])]
 
 
 def string_to_bytes(string):

pyproject.toml

@@ -53,7 +53,6 @@ flask = "^3.0.1"
 ipaddr = "^2.2.0"
 multiprocess = "^0.70.15"
 netaddr = "^0.9.0"
-numpy = ">=1.26.1,<3.0.0"
 paramiko = "^3.4.0"
 py3dns = "^4.0.0"
 pyopenssl = "^23.2.0"