Write last commit information into version.py by sdist setuptools command

to use it even if bitmessageqt runs from dist tarball.

setup.py

@@ -5,6 +5,7 @@ import shutil
 
 from setuptools import setup, Extension
 from setuptools.command.install import install
+from setuptools.command.sdist import sdist
 
 from src.version import softwareVersion
 
@@ -45,6 +46,16 @@ class InstallCmd(install):
         return install.run(self)
 
 
+class SdistCmd(sdist):
+    def run(self):
+        """Write last commit into version.py"""
+        from src.paths import lastCommit
+        last_commit = lastCommit()
+        with open('src/version.py', 'ab') as out:
+            out.write('commit = %s' % last_commit)
+        return sdist.run(self)
+
+
 if __name__ == "__main__":
     here = os.path.abspath(os.path.dirname(__file__))
     with open(os.path.join(here, 'README.md')) as f:
@@ -146,5 +157,8 @@ if __name__ == "__main__":
             # ]
         },
         scripts=['src/pybitmessage'],
-        cmdclass={'install': InstallCmd}
+        cmdclass={
+            'install': InstallCmd,
+            'sdist': SdistCmd
+        }
     )

src/bitmessageqt/dialogs.py

@@ -1,4 +1,6 @@
-import paths
+from datetime import datetime
+
+import version
 import widgets
 from address_dialogs import (
     AddAddressDialog, NewAddressDialog, NewSubscriptionDialog,
@@ -8,7 +10,6 @@ from newchandialog import NewChanDialog
 from PyQt4 import QtGui
 from retranslateui import RetranslateMixin
 from tr import _translate
-from version import softwareVersion
 
 
 __all__ = [
@@ -22,22 +23,29 @@ class AboutDialog(QtGui.QDialog, RetranslateMixin):
     def __init__(self, parent=None):
         super(AboutDialog, self).__init__(parent)
         widgets.load('about.ui', self)
-        last_commit = paths.lastCommit()
-        version = softwareVersion
+
+        # Adjusting version, commit and year info
+        full_version = version.softwareVersion
+        try:  # commit written by sdist setuptools command
+            last_commit = version.commit
+        except AttributeError:
+            import paths
+            last_commit = paths.lastCommit()
         commit = last_commit.get('commit')
         if commit:
-            version += '-' + commit[:7]
+            full_version += '-' + commit[:7]
         self.labelVersion.setText(
             self.labelVersion.text().replace(
-                ':version:', version
-            ).replace(':branch:', commit or 'v%s' % version)
+                ':version:', full_version
+            ).replace(':branch:', commit or 'v%s' % full_version)
         )
         self.labelVersion.setOpenExternalLinks(True)
 
-        try:
+        try:  # last copyright year from last commit
             self.label_2.setText(
                 self.label_2.text().replace(
-                    '2017', str(last_commit.get('time').year)
+                    '2017',
+                    str(datetime.fromtimestamp(last_commit.get('time')).year)
                 ))
         except AttributeError:
             pass

src/paths.py

@@ -1,7 +1,6 @@
 import os
 import re
 import sys
-from datetime import datetime
 
 # When using py2exe or py2app, the variable frozen is added to the sys
 # namespace.  This can be used to setup a different code path for
@@ -126,9 +125,9 @@ def lastCommit():
         try:
             with open(githeadfile, 'rt') as githead:
                 line = tail(githead, 1)
-            result['commit'] = line.split()[1]
-            result['time'] = datetime.fromtimestamp(
-                float(re.search(r'>\s*(.*?)\s', line).group(1))
+            result.update(
+                commit=line.split()[1],
+                time=float(re.search(r'>\s*(.*?)\s', line).group(1))
             )
         except (IOError, AttributeError, TypeError):
             pass