scripts/git-loc

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#!/usr/bin/env python
import re
from email.utils import parsedate
from time import mktime
from datetime import datetime
from os import popen
import os
from sys import argv,stderr,stdout
import getopt
opts, args = getopt.getopt(argv[1:],None, ['svg'])
needsvg = False
for o, a in opts:
if o == "--svg":
needsvg = True
extfolder = False
if len(args) == 1:
extfolder = True
targetfolder = args[0]
fc=0
locs=0
adds=None
cmt=None
h=[]
def pop():
if adds is not None:
pstr="%s %8u %5s %5s %7s %s \t%s"%(d,locs,'+'+str(adds),'-'+str(dels),hsh,who,cmt.strip())
if needsvg: stderr.write(pstr+'\n')
else: print(pstr)
h.append((d,locs,adds,dels,hsh,who,cmt))
prevfolder = os.getcwd()
if extfolder:
os.chdir(targetfolder)
for x in popen('git log --no-color --reverse -p'):
if x.startswith('commit'):
pop()
hsh=x[7:14];
if x.startswith('Author'):
who=x.replace("Author: ",'').replace('\n','');
who=re.sub(">.*","",who);
who=re.sub(".*<","",who);
if x.startswith('Date'):
fc=1
d=datetime(*parsedate(x[5:])[:7])
t=mktime(parsedate(x[5:]))
adds=0
dels=0
if fc==2:
cmt=x[:-1]
fc=0
if fc==1:
if len(x)==1: fc=2
if x.startswith('+') and not x.startswith('+++'):
adds+=1
locs+=1
if x.startswith('-') and not x.startswith('---'):
dels+=1
locs-=1
pop()
os.chdir(prevfolder)
def makesvg():
def quoteone(x):
if x in 'abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789': return x
return "&#x%02x;"%(ord(x),)
def quote(s):
return ''.join([quoteone(x) for x in s])
mlocs=max([locs for d,locs,adds,dels,hsh,who,cmt in h])
yscale=800.0/mlocs
svg=stdout
svg.write("""<?xml version="1.0" standalone="no"?>"""
"""<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">"""
"""<svg preserveAspectRatio="none" width="100%%" height="100%%" viewBox="0 0 %u %u" version="1.1" xmlns="http://www.w3.org/2000/svg">"""%(25*len(h),mlocs*yscale))
svg.write("""<style>"""
"""rect.o{opacity:0}"""
"""rect.o:hover{opacity:0.2}"""
""".a{fill:none;stroke:black;stroke-width:2}"""
"""</style>""")
def rect(x,y,w,h,c,a=''):
svg.write("""<rect x="%u" y="%u" width="%u" height="%u" style="%s" %s/>"""
%(x,y,w,h,c,a))
ps=[]
bl=[]
tx=[]
x=25
for d,locs,adds,dels,hsh,who,cmt in h:
y=(mlocs-locs)*yscale
bl.append((x-1,y,3,dels*yscale,"fill:rgb(0,0,255)"))
bl.append((x-1,y-adds*yscale,3,adds*yscale,"fill:rgb(0,255,0)"))
bl.append((x-12,0,25,mlocs*yscale,'',
"""title="%s %8u %5s %5s %s" """%(d,locs,'+'+str(adds),'-'+str(dels),quote(cmt.strip()))
+"""class="o" """))
ps.append("%u,%u"%(x,y))
x+=25
svg.write("""\n""")
svg.write("""<polyline points="0,%u %u,%u" class="a"/>"""%(mlocs*yscale,x,mlocs*yscale,))
svg.write("""<polyline points="25,0 25,%u" class="a"/>"""%(mlocs*yscale+25,))
it=pow(10,len(str(mlocs))-2)
for i in range(it,mlocs,it):
svg.write("""<polyline points="0,%u %u,%u" class="a" style="stroke:rgb(200,200,200)"/>"""%(mlocs*yscale-i*yscale,x,mlocs*yscale-i*yscale,))
svg.write("""\n""")
for b in bl:
rect(*b)
svg.write("""\n""")
svg.write("""<polyline points="%s" class="a" style="stroke:red"/>"""%(' '.join(ps),))
svg.write("""</svg>\n""")
if needsvg: makesvg()