Re-factored the changes module and made it more independent.

This will make it easier to add support for the merging of statistics from
multiple repositories (as discussed in issue #24).

gitinspector/changes.py

@@ -211,6 +211,9 @@ class Changes(object):
 			self.last_commit_date = datetime.date(int(self.commits[-1].date[0:4]), int(self.commits[-1].date[5:7]),
 			                                      int(self.commits[-1].date[8:10]))
 
+	def __add__(self, other):
+		pass # TODO
+
 	def get_commits(self):
 		return self.commits
 
@@ -249,13 +252,3 @@ class Changes(object):
 
 	def get_latest_email_by_author(self, name):
 		return self.emails_by_author[name]
-
-__changes__ = None
-
-def get(hard):
-	global __changes__
-	if __changes__ == None:
-		__changes__ = Changes(hard)
-
-	return __changes__
-

gitinspector/gitinspector.py

@@ -23,7 +23,8 @@ import atexit
 import getopt
 import os
 import sys
-from . import (basedir, changes, clone, config, extensions, filtering, format, help, interval,
+from .changes import Changes
+from . import (basedir, clone, config, extensions, filtering, format, help, interval,
                localization, optval, terminal, version)
 from .output import outputable
 from .output.blameoutput import BlameOutput
@@ -62,19 +63,21 @@ class Runner(object):
 		absolute_path = basedir.get_basedir_git()
 		os.chdir(absolute_path)
 		format.output_header()
-		outputable.output(ChangesOutput(self.hard))
 
-		if changes.get(self.hard).get_commits():
-			outputable.output(BlameOutput(changes.get(self.hard), self.hard, self.useweeks))
+		changes = Changes(self.hard)
+		outputable.output(ChangesOutput(changes))
+
+		if changes.get_commits():
+			outputable.output(BlameOutput(changes, self.hard, self.useweeks))
 
 			if self.timeline:
-				outputable.output(TimelineOutput(changes.get(self.hard), self.useweeks))
+				outputable.output(TimelineOutput(changes, self.useweeks))
 
 			if self.include_metrics:
 				outputable.output(MetricsOutput())
 
 			if self.responsibilities:
-				outputable.output(ResponsibilitiesOutput(self.hard, self.useweeks))
+				outputable.output(ResponsibilitiesOutput(changes, self.hard, self.useweeks))
 
 			outputable.output(FilteringOutput())
 

gitinspector/output/changesoutput.py

@@ -22,15 +22,15 @@ from __future__ import unicode_literals
 import json
 import textwrap
 from ..localization import N_
-from .. import changes, format, gravatar, terminal
+from .. import format, gravatar, terminal
 from .outputable import Outputable
 
 HISTORICAL_INFO_TEXT = N_("The following historical commit information, by author, was found in the repository")
 NO_COMMITED_FILES_TEXT = N_("No commited files with the specified extensions were found")
 
 class ChangesOutput(Outputable):
-	def __init__(self, hard):
-		self.changes = changes.get(hard)
+	def __init__(self, changes):
+		self.changes = changes
 		Outputable.__init__(self)
 
 	def output_html(self):

gitinspector/output/responsibilitiesoutput.py

@@ -21,7 +21,7 @@ from __future__ import print_function
 from __future__ import unicode_literals
 import textwrap
 from ..localization import N_
-from .. import blame, changes, format, gravatar, terminal
+from .. import blame, format, gravatar, terminal
 from .. import responsibilities as resp
 from .outputable import Outputable
 
@@ -31,17 +31,18 @@ RESPONSIBILITIES_INFO_TEXT = N_("The following responsibilities, by author, were
 MOSTLY_RESPONSIBLE_FOR_TEXT = N_("is mostly responsible for")
 
 class ResponsibilitiesOutput(Outputable):
-	def __init__(self, hard, useweeks):
+	def __init__(self, changes, hard, useweeks):
+		self.changes = changes
 		self.hard = hard
 		self.useweeks = useweeks
 		Outputable.__init__(self)
-		self.changes = changes.get(hard)
 
 	def output_text(self):
 		print("\n" + textwrap.fill(_(RESPONSIBILITIES_INFO_TEXT) + ":", width=terminal.get_size()[0]))
 
 		for i in sorted(set(i[0] for i in blame.get(self.hard, self.useweeks, self.changes).blames)):
-			responsibilities = sorted(((i[1], i[0]) for i in resp.Responsibilities.get(self.hard, self.useweeks, i)), reverse=True)
+			responsibilities = sorted(((i[1], i[0]) for i in resp.Responsibilities.get(self.changes,
+			                                                 self.hard, self.useweeks, i)), reverse=True)
 			if responsibilities:
 				print("\n" + i, _(MOSTLY_RESPONSIBLE_FOR_TEXT) + ":")
 
@@ -60,7 +61,8 @@ class ResponsibilitiesOutput(Outputable):
 		resp_xml += "<p>" + _(RESPONSIBILITIES_INFO_TEXT) + ".</p>"
 
 		for i in sorted(set(i[0] for i in blame.get(self.hard, self.useweeks, self.changes).blames)):
-			responsibilities = sorted(((i[1], i[0]) for i in resp.Responsibilities.get(self.hard, self.useweeks, i)), reverse=True)
+			responsibilities = sorted(((i[1], i[0]) for i in resp.Responsibilities.get(self.changes,
+			                                                 self.hard, self.useweeks, i)), reverse=True)
 			if responsibilities:
 				resp_xml += "<div>"
 
@@ -86,7 +88,8 @@ class ResponsibilitiesOutput(Outputable):
 		resp_xml = ""
 
 		for i in sorted(set(i[0] for i in blame.get(self.hard, self.useweeks, self.changes).blames)):
-			responsibilities = sorted(((i[1], i[0]) for i in resp.Responsibilities.get(self.hard, self.useweeks, i)), reverse=True)
+			responsibilities = sorted(((i[1], i[0]) for i in resp.Responsibilities.get(self.changes,
+			                                                 self.hard, self.useweeks, i)), reverse=True)
 			if responsibilities:
 				author_email = self.changes.get_latest_email_by_author(i)
 
@@ -116,7 +119,8 @@ class ResponsibilitiesOutput(Outputable):
 		resp_xml = ""
 
 		for i in sorted(set(i[0] for i in blame.get(self.hard, self.useweeks, self.changes).blames)):
-			responsibilities = sorted(((i[1], i[0]) for i in resp.Responsibilities.get(self.hard, self.useweeks, i)), reverse=True)
+			responsibilities = sorted(((i[1], i[0]) for i in resp.Responsibilities.get(self.changes,
+			                                                 self.hard, self.useweeks, i)), reverse=True)
 			if responsibilities:
 				author_email = self.changes.get_latest_email_by_author(i)
 

gitinspector/responsibilities.py

@@ -19,17 +19,17 @@
 
 from __future__ import print_function
 from __future__ import unicode_literals
-from . import blame, changes
+from . import blame
 
 class ResponsibiltyEntry(object):
 	blames = {}
 
 class Responsibilities(object):
 	@staticmethod
-	def get(hard, useweeks, author_name):
+	def get(changes, hard, useweeks, author_name):
 		author_blames = {}
 
-		for i in blame.get(hard, useweeks, changes.get(hard)).blames.items():
+		for i in blame.get(hard, useweeks, changes).blames.items():
 			if author_name == i[0][0]:
 				total_rows = i[1].rows - i[1].comments
 				if total_rows > 0: