replace package.version.Version by internal code

This drops the dependency on the Python `packaging` module.

Signed-off-by: Ernesto de Gracia Herranz <ernestodgh@jfrog.com>

.gitlab-ci.yml

@@ -691,7 +691,6 @@ macos-x86_64:
     - source .venv/bin/activate
     - pip3 install meson==1.2.3
     - pip3 install ninja==1.11.1
-    - pip3 install packaging==23.2
   script:
     # FIXME: Use --wrap-mode=default so we download dependencies each time,
     # until the macOS runner is a VM where we can use a pre-made image which

.gitlab-ci/debian-stable.Dockerfile

@@ -37,7 +37,6 @@ RUN apt-get update -qq && apt-get install --no-install-recommends -qq -y \
     locales \
     ninja-build \
     python3 \
-    python3-packaging \
     python3-pip \
     python3-setuptools \
     python3-wheel \

.gitlab-ci/fedora.Dockerfile

@@ -50,7 +50,6 @@ RUN dnf -y update \
     pcre2-devel \
     "python3-dbusmock >= 0.18.3-2" \
     python3-docutils \
-    python3-packaging \
     python3-pip \
     python3-pygments \
     python3-wheel \

.gitlab-ci/test-msvc.bat

@@ -12,7 +12,7 @@ for %%x in (%*) do (
 set args=%args:~1%
 
 :: FIXME: make warnings fatal
-pip3 install --upgrade --user meson==1.2.3 packaging==23.2  || goto :error
+pip3 install --upgrade --user meson==1.2.3 || goto :error
 meson setup %args% _build || goto :error
 meson compile -C _build || goto :error
 

.gitlab-ci/test-msys2.sh

@@ -29,8 +29,6 @@ CCACHE_BASEDIR="$(pwd)"
 CCACHE_DIR="${CCACHE_BASEDIR}/_ccache"
 export CCACHE_BASEDIR CCACHE_DIR
 
-pip3 install --upgrade --user packaging==23.2
-
 PATH="$(cygpath "$USERPROFILE")/.local/bin:$HOME/.local/bin:$PATH"
 DIR="$(pwd)"
 export PATH CFLAGS

gio/gdbus-2.0/codegen/utils.py

@@ -23,6 +23,7 @@
 
 import os
 import sys
+import re
 
 import packaging.version
 
@@ -162,11 +163,35 @@ def lookup_brief_docs(annotations):
 def version_cmp_key(key):
     # If the 'since' version is 'UNRELEASED', compare higher than anything else
     # If it is empty put a 0 in its place as this will
-    # allow LooseVersion to work and will always compare lower.
+    # allow _parse_version() to work and will always compare lower.
     if key[0] == "UNRELEASED":
         v = "9999"
     elif key[0]:
         v = str(key[0])
     else:
         v = "0"
-    return (packaging.version.Version(v), key[1])
+    return (_parse_version(v), key[1])
+
+
+def _parse_version(version):
+    """
+    Parse a version string into a list of integers and strings.
+
+    This function takes a version string and breaks it down into its component parts.
+    It separates numeric and non-numeric segments, converting numeric segments to integers.
+
+    Args:
+        version (str): The version string to parse.
+
+    Returns:
+        list: A list where each element is either an integer (for numeric parts)
+              or a string (for non-numeric parts).
+
+    Example:
+        >>> parseversion("1.2.3a")
+        [1, 2, 3, 'a']
+        >>> parseversion("2.0.0-rc1")
+        [2, 0, 0, 'rc1']
+    """
+    blocks = re.findall(r"(\d+|\w+)", version)
+    return [int(b) if b.isdigit() else b for b in blocks]

meson.build

@@ -2457,7 +2457,7 @@ endif
 
 glib_conf.set('HAVE_PROC_SELF_CMDLINE', have_proc_self_cmdline)
 
-python = import('python').find_installation(modules: ['packaging'])
+python = import('python').find_installation()
 
 python_version = python.language_version()
 python_version_req = '>=3.7'