update setup.py usage and docs to meson

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>

CONTRIBUTING.md

@@ -34,8 +34,7 @@ it by running the latest code using the steps above.
 The following commands will be useful for anyone writing patches:
 
 ```sh
-pytest               # Run local unit test suite
-./setup.py pylint    # Run pylint/pycodestyle checking
+meson test -C build
 ```
 
 Any patches shouldn't change the output of 'pytest' or 'pylint'. Depending
@@ -43,8 +42,9 @@ on what version of libvirt or pylint is installed, you may see some
 pre-existing errors from these commands. The important thing is that
 any changes you make do not add additional errors.
 
-The 'pylint' command requires [`pylint`](https://github.com/PyCQA/pylint)
-and [`pycodestyle`](https://github.com/pycqa/pycodestyle) to be installed.
+The 'test' command requires [`pylint`](https://github.com/PyCQA/pylint),
+[`pycodestyle`](https://github.com/pycqa/pycodestyle) and
+['pytest'](https://github.com/pytest-dev/pytest/) to be installed.
 If [`codespell`](https://github.com/codespell-project/codespell) is installed,
 it will be invoked as well.
 

INSTALL.md

@@ -11,20 +11,10 @@ For more details on that, see [CONTRIBUTING.md](CONTRIBUTING.md)
 
 To install the software into `/usr/local` (usually), you can do:
 ```sh
-./setup.py install
+meson setup build
+meson install -C build
 ```
 
-To build an RPM, you can run:
-```sh
-./setup.py rpm
-```
-
-`setup.py` generally has all the build and install commands, for more info see:
-
-   - `./setup.py --help-commands`
-   - `./setup.py install --help`
-   - [Python Standard Build and Install](https://docs.python.org/3/install/#standard-build-and-install)
-
 
 ## Pre-requisite software
 

tests/test_dist.py

@@ -34,14 +34,14 @@ def test_validate_po_files():
 
 def test_validate_pot_strings():
     """
-    Validate that xgettext via `setup.py extract_messages` don't print
-    any warnings
+    Validate that xgettext via don't print any warnings.
     """
     potfile = "po/virt-manager.pot"
     origpot = open(potfile).read()
     try:
+        subprocess.run(["meson", "setup", "build"], check=True)
         out = subprocess.check_output(
-                ["./setup.py", "extract_messages"],
+                ["meson", "compile", "-C", "build", "virt-manager-pot"],
                 stderr=subprocess.STDOUT)
         warnings = [l for l in out.decode("utf-8").splitlines()
                     if "warning:" in l]