Drop build dependency on tox

Resolves: rhbz#1956399

scapy.spec

@@ -1,6 +1,6 @@
 Name:           scapy
 Version:        2.4.4
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Interactive packet manipulation tool and network scanner
 
 %global         gituser         secdev
@@ -52,13 +52,11 @@ BuildRequires:  sed
 %if 0%{?with_python2}
 BuildRequires:  python2-devel
 BuildRequires:  python2-setuptools
-BuildRequires:  python2-tox
 %endif
 
 %if 0%{?with_python3}
 BuildRequires:  python%{python3_pkgversion}-devel
 BuildRequires:  python%{python3_pkgversion}-setuptools
-BuildRequires:  python%{python3_pkgversion}-tox
 %endif
 
 # Recommends only supported on fedora and rhel8+
@@ -142,10 +140,15 @@ done
 %endif
 
 %if 0%{?with_doc}
-make -C doc/scapy html BUILDDIR=_build_doc SPHINXBUILD=sphinx-build-%python3_version
+# the following commands are copied from tox.ini to avoid a dependency on tox
+pushd doc/scapy
+sphinx-apidoc-%python3_version -f --no-toc --separate --module-first --output-dir api ../../scapy ../../scapy/modules/ ../../scapy/libs/ ../../scapy/tools/ ../../scapy/arch/ ../../scapy/contrib/cansocket* ../../scapy/contrib/scada/* ../../scapy/all.py ../../scapy/layers/all.py
+%{python3} sphinx_apidoc_postprocess.py
+make html BUILDDIR=_build_doc SCAPY_APITREE=0 SPHINXBUILD=sphinx-build-%python3_version
 
-rm -f doc/scapy/_build_doc/html/.buildinfo
-rm -f doc/scapy/_build_doc/html/_static/_dummy
+rm -f _build_doc/html/.buildinfo
+rm -f _build_doc/html/_static/_dummy
+popd
 %endif
 
 
@@ -229,6 +232,10 @@ ln -s %{_bindir}/UTscapy3 %{buildroot}%{_bindir}/UTscapy
 
 
 %changelog
+* Mon May 31 2021 Miro Hrončok <mhroncok@redhat.com> - 2.4.4-3
+- Drop build dependency on tox
+- Resolves: rhbz#1956399
+
 * Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 2.4.4-2
 - Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937