gitloc

#!/usr/bin/python
"""
Display lines of code modified grouped into days.  Pass path in if desired.
"""

import subprocess
import re
import sys
from datetime import datetime

total_files, inserted_t, deleted_t = 0, 0, 0

def outputline(date, changes):
    global total_files, inserted_t, deleted_t
    if not date: return
    print "%s |% 7d lines | (%d)" % (date.strftime("%a, %b %d %Y"), changes, inserted_t + deleted_t)
    sys.stdout.flush()

def main(argv):
    global total_files, inserted_t, deleted_t
    command = ["git", "log",
            "--shortstat",
            "--reverse",
            "--ignore-space-change",
            "--ignore-all-space",
            "--patience",
            "--no-color",
            "--pretty=%at",
            "--diff-filter=AMD",
            "--find-copies-harder" , "-l10"]
    if len(argv) > 1:
        command.append("--")
        command.extend(argv[1:])
    #print ' '.join(command)  # DEBUG
    git = subprocess.Popen(command, stdout=subprocess.PIPE)
    out, err = git.communicate()
    curr_day = None
    days_changes = 0
    for line in out.split('\n'):
        if not line: continue
        if line[0] != ' ': 
            # This is a description line
            timestamp = datetime.fromtimestamp(float(line.strip()))
            day = datetime.date(timestamp)
        else:
            # This is a stat line
            data = re.findall(
                ' (\d+) files changed, (\d+) insertions\(\+\), (\d+) deletions\(-\)', 
                line)
            files, insertions, deletions = ( int(x) for x in data[0] )

            if day != curr_day:
                outputline(curr_day, days_changes)
                days_changes = 0
                curr_day = day

            total_files += files
            inserted_t += insertions
            deleted_t += deletions
            days_changes += insertions + deletions
    outputline(curr_day, days_changes)
if __name__ == '__main__':
    sys.exit(main(sys.argv))