setup.py: install all files if build is skipped

setup.py

@@ -9,6 +9,7 @@ if sys.version_info < (3, 5):
 from setuptools import setup, find_packages
 from setuptools import Command
 from setuptools.command.build_py import build_py as _build
+from setuptools.command.install import install as _install
 from distutils import log
 from distutils.util import convert_path, newer
 
@@ -18,6 +19,9 @@ import gajim
 
 pos = [x for x in os.listdir('po') if x[-3:] == ".po"]
 ALL_LINGUAS = sorted([os.path.split(x)[-1][:-3] for x in pos])
+MAN_FILES = ['gajim.1', 'gajim-history-manager.1', 'gajim-remote.1']
+META_FILES = [('data/org.gajim.Gajim.desktop', 'share/applications', '--desktop'),
+              ('data/org.gajim.Gajim.appdata.xml', 'share/metainfo', '--xml')]
 cwd = os.path.dirname(os.path.realpath(__file__))
 build_dir = os.path.join(cwd, "build")
 
@@ -53,7 +57,6 @@ def build_trans(build_cmd):
     '''
     Translate the language files into gajim.mo
     '''
-    data_files = build_cmd.distribution.data_files
     for lang in ALL_LINGUAS:
         po_file = os.path.join('po', lang + '.po')
         mo_file = os.path.join(build_dir, 'mo', lang, 'LC_MESSAGES', 'gajim.mo')
@@ -72,7 +75,11 @@ def build_trans(build_cmd):
                     raise SystemExit(msg)
             log.info('Compiling %s >> %s', po_file, mo_file)
 
-        # linux specific piece:
+
+def install_trans(install_cmd):
+    data_files = install_cmd.distribution.data_files
+    for lang in ALL_LINGUAS:
+        mo_file = os.path.join(build_dir, 'mo', lang, 'LC_MESSAGES', 'gajim.mo')
         target = 'share/locale/' + lang + '/LC_MESSAGES'
         data_files.append((target, [mo_file]))
 
@@ -81,14 +88,12 @@ def build_man(build_cmd):
     '''
     Compress Gajim manual files
     '''
-    data_files = build_cmd.distribution.data_files
-    for man in ['gajim.1', 'gajim-history-manager.1', 'gajim-remote.1']:
-        filename = os.path.join('data', man)
     newdir = os.path.join(build_dir, 'man')
     if not (os.path.isdir(newdir) or os.path.islink(newdir)):
         os.makedirs(newdir)
 
-        import gzip
+    for man in MAN_FILES:
+        filename = os.path.join('data', man)
         man_file_gz = os.path.join(newdir, man + '.gz')
         if os.path.exists(man_file_gz):
             if newer(filename, man_file_gz):
@@ -97,13 +102,21 @@ def build_man(build_cmd):
                 filename = False
 
         if filename:
+            import gzip
             # Binary io, so open is OK
             with open(filename, 'rb') as f_in,\
                     gzip.open(man_file_gz, 'wb') as f_out:
                 f_out.writelines(f_in)
                 log.info('Compiling %s >> %s', filename, man_file_gz)
 
+
+def install_man(install_cmd):
+    data_files = install_cmd.distribution.data_files
+    man_dir = os.path.join(build_dir, 'man')
     target = 'share/man/man1'
+
+    for man in MAN_FILES:
+        man_file_gz = os.path.join(man_dir, man + '.gz')
         data_files.append((target, [man_file_gz]))
 
 
@@ -111,20 +124,22 @@ def build_intl(build_cmd):
     '''
     Merge translation files into desktop and mime files
     '''
-    data_files = build_cmd.distribution.data_files
     base = build_dir
 
-    merge_files = (('data/org.gajim.Gajim.desktop', 'share/applications', '--desktop'),
-                   ('data/org.gajim.Gajim.appdata.xml', 'share/metainfo', '--xml'))
-
-    for filename, target, option in merge_files:
+    for filename, _, option in META_FILES:
         filenamelocal = convert_path(filename)
         newfile = os.path.join(base, filenamelocal)
         newdir = os.path.dirname(newfile)
         if not(os.path.isdir(newdir) or os.path.islink(newdir)):
             os.makedirs(newdir)
         merge(filenamelocal + '.in', newfile, option)
-        data_files.append((target, [base + '/' + filename]))
+
+
+def install_intl(install_cmd):
+    data_files = install_cmd.distribution.data_files
+
+    for filename, target, _ in META_FILES:
+        data_files.append((target, [build_dir + '/' + filename]))
 
 
 def merge(in_file, out_file, option, po_dir='po'):
@@ -154,6 +169,15 @@ class build(_build):
         _build.run(self)
 
 
+class install(_install):
+    def run(self):
+        install_trans(self)
+        if sys.platform != 'win32':
+            install_man(self)
+            install_intl(self)
+        _install.run(self)
+
+
 class test(Command):
     description = "Run all tests"
     user_options = []
@@ -243,6 +267,7 @@ setup(
     ],
     cmdclass={
         'build_py': build,
+        'install': install,
         'test': test,
         'test_nogui': test_nogui,
         'update_po': update_po,