gitinspector can now be executed from another directory again.

This was broken when the loading of external resources for the HTML output
was added.

This fix should also improve compatibility with py2exe.

basedir.py

@@ -0,0 +1,27 @@
+# coding: utf-8
+#
+# Copyright © 2012 Ejwa Software. All rights reserved.
+#
+# This file is part of gitinspector.
+#
+# gitinspector is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# gitinspector is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with gitinspector. If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import sys
+
+def get_basedir():
+	if hasattr(sys,'frozen'): # exists when running via py2exe
+		return sys.prefix
+	else:
+		return os.path.dirname(os.path.realpath(__file__))

format.py

@@ -19,6 +19,7 @@
 
 from __future__ import print_function
 import base64
+import basedir
 import os
 import terminal
 import version
@@ -47,18 +48,19 @@ def __output_html_template__(name):
 	return file_r.read().decode("utf-8", "replace")
 
 def __get_zip_file_content__(name):
-	zip_file = zipfile.ZipFile("html/flot.zip", "r")
+	zip_file = zipfile.ZipFile(basedir.get_basedir() + "/html/flot.zip", "r")
 	content = zip_file.read(name)
 	zip_file.close()
 	return content
 
 def output_header():
 	if __selected_format__ == "html":
-		html_header = __output_html_template__("html/html.header")
+		base = basedir.get_basedir();
+		html_header = __output_html_template__(base + "/html/html.header")
 		jquery_js = __get_zip_file_content__("jquery.js")
 		flot_js = __get_zip_file_content__("jquery.flot.js")
 
-		logo_file = open("html/gitinspector_piclet.png", "rb")
+		logo_file = open(base + "/html/gitinspector_piclet.png", "rb")
 		logo = logo_file.read()
 		logo_file.close()
 		logo = base64.b64encode(logo)