Add __name__ == '__main__' block in freeze.py.

freeze.py now gets imported from freeze_tests.py, and shouldn't run its own
setup in that case.

scripts/freeze.py

@@ -94,19 +94,21 @@ executable = cx.Executable('qutebrowser/__main__.py', base=base,
                            icon=os.path.join(BASEDIR, 'icons',
                                              'qutebrowser.ico'))
 
-try:
+
-    setupcommon.write_git_file()
+if __name__ == '__main__':
-    cx.setup(
+    try:
-        executables=[executable],
+        setupcommon.write_git_file()
-        options={
+        cx.setup(
-            'build_exe': build_exe_options,
+            executables=[executable],
-            'bdist_msi': bdist_msi_options,
+            options={
-            'bdist_mac': bdist_mac_options,
+                'build_exe': build_exe_options,
-            'bdist_dmg': bdist_dmg_options,
+                'bdist_msi': bdist_msi_options,
-        },
+                'bdist_mac': bdist_mac_options,
-        **setupcommon.setupdata
+                'bdist_dmg': bdist_dmg_options,
-    )
+            },
-finally:
+            **setupcommon.setupdata
-    path = os.path.join(BASEDIR, 'qutebrowser', 'git-commit-id')
+        )
-    if os.path.exists(path):
+    finally:
-        os.remove(path)
+        path = os.path.join(BASEDIR, 'qutebrowser', 'git-commit-id')
+        if os.path.exists(path):
+            os.remove(path)