From 18b9921556556fc4331a6006a82db9c260c6cf2c Mon Sep 17 00:00:00 2001
From: Heikki Hokkanen <hoxu@users.sf.net>
Date: Tue, 14 Aug 2007 15:22:59 +0300
Subject: [PATCH] Files: Extensions (table).

---
 doc/TODO.txt | 12 ++----------
 statgit      | 31 +++++++++++++++++++++++++++++--
 2 files changed, 31 insertions(+), 12 deletions(-)

diff --git a/doc/TODO.txt b/doc/TODO.txt
index b14e2e2..d2a4cc5 100644
--- a/doc/TODO.txt
+++ b/doc/TODO.txt
@@ -54,6 +54,7 @@
 	- List of authors
 		- show only first 10 and rest on separate page?
 	- DONE (T): author, commits (%), LOC?, first commit, last commit
+		- TODO days/time as developer
 	- DONE (T): Developer of the Month: month, author, commits, LOC?
 	- DONE (T): Author of Year
 
@@ -64,9 +65,7 @@
 	- Average revisions per file
 	- DONE (G) File Count by Date: x = date, y = files
 	- (G) Average file size: x = date, y = lines/file
-	- (T) File Extensions (or mime types from "file"?): extension, files (%), lines (%), lines/file
-		- extensions: ext -> { files, lines? }
-			- git-ls-files -> basename -> check ext
+	- DONE (T) File Extensions (or mime types from "file"?): extension, files (%), lines (%), lines/file
 	- (T) Largest Files?
 	- (T) Files With Most Revisions?
 
@@ -127,16 +126,9 @@
 - "Repo heatmap"?
 - LOC and Churn
 
-[Graphics]
-- Use gnuplot, graphviz etc ?
-
-[Usage]
-- $ statgit [-o html] /path/to/git /output/dir
-
 [name]
 - statgit or gitstats (no google hits for either)
 
 [Misc]
 - use sortable.js ?
 - could show some statistics from last year, month, etc... pisg-like?
-- style: tabs at top for different pages
diff --git a/statgit b/statgit
index cce36fc..cd4c763 100755
--- a/statgit
+++ b/statgit
@@ -11,8 +11,9 @@ import time
 
 GNUPLOT_COMMON = 'set terminal png transparent\nset size 0.5,0.5\n'
 
-def getoutput(cmd):
-	print '>> %s' % cmd
+def getoutput(cmd, quiet = False):
+	if not quiet:
+		print '>> %s' % cmd
 	output = commands.getoutput(cmd)
 	return output
 
@@ -204,6 +205,22 @@ class GitDataCollector(DataCollector):
 				continue
 			(stamp, files) = parts[0:2]
 			self.files_by_stamp[int(stamp)] = int(files)
+
+		# extensions
+		self.extensions = {} # extension -> files, lines
+		lines = getoutput('git-ls-files').split('\n')
+		for line in lines:
+			base = os.path.basename(line)
+			if base.find('.') == -1:
+				ext = ''
+			else:
+				ext = base[(base.rfind('.') + 1):]
+
+			if ext not in self.extensions:
+				self.extensions[ext] = {'files': 0, 'lines': 0}
+
+			self.extensions[ext]['files'] += 1
+			self.extensions[ext]['lines'] += int(getoutput('wc -l < "%s"' % line, quiet = True))
 	
 	def getActivityByDayOfWeek(self):
 		return self.activity_by_day_of_week
@@ -447,6 +464,7 @@ class HTMLReportCreator(ReportCreator):
 		f.write('<dt>Average file size</dt><dd>%.2f bytes</dd>' % ((100.0 * data.getTotalLOC()) / data.getTotalFiles()))
 		f.write('</dl>\n')
 
+		# Files :: File count by date
 		f.write('<h2>File count by date</h2>')
 
 		fg = open(path + '/files_by_date.dat', 'w')
@@ -458,6 +476,15 @@ class HTMLReportCreator(ReportCreator):
 
 		f.write('<h2>Average file size by date</h2>')
 
+		# Files :: Extensions
+		f.write('\n<h2>Extensions</h2>\n\n')
+		f.write('<table><tr><th>Extension</th><th>Files (%)</th><th>Lines (%)</th><th>Lines/file</th></tr>')
+		for ext in sorted(data.extensions.keys()):
+			files = data.extensions[ext]['files']
+			lines = data.extensions[ext]['lines']
+			f.write('<tr><td>%s</td><td>%d (%.2f%%)</td><td>%d (%.2f%%)</td><td>%d</td></tr>' % (ext, files, (100.0 * files) / data.getTotalFiles(), lines, (100.0 * lines) / data.getTotalLOC(), lines / files))
+		f.write('</table>')
+
 		f.write('</body></html>')
 		f.close()
 
-- 
2.11.4.GIT