gitstats

   1 #!/usr/bin/env python
   2 # Copyright (c) 2007-2008 Heikki Hokkanen <hoxu@users.sf.net>
   3 # GPLv2
   4 import subprocess
   5 import datetime
   6 import glob
   7 import os
   8 import re
   9 import shutil
  10 import sys
  11 import time
  12
  13 GNUPLOT_COMMON = 'set terminal png transparent\nset size 0.5,0.5\n'
  14
  15 exectime_internal = 0.0
  16 exectime_external = 0.0
  17 time_start = time.time()
  18
  19 # By default, gnuplot is searched from path, but can be overridden with the
  20 # environment variable "GNUPLOT"
  21 gnuplot_cmd = 'gnuplot'
  22 if 'GNUPLOT' in os.environ:
  23         gnuplot_cmd = os.environ['GNUPLOT']
  24
  25 def getpipeoutput(cmds, quiet = False):
  26         global exectime_external
  27         start = time.time()
  28         if not quiet:
  29                 print '>> ' + ' | '.join(cmds),
  30                 sys.stdout.flush()
  31         p0 = subprocess.Popen(cmds[0], stdout = subprocess.PIPE, shell = True)
  32         p = p0
  33         for x in cmds[1:]:
  34                 p = subprocess.Popen(x, stdin = p0.stdout, stdout = subprocess.PIPE, shell = True)
  35                 p0 = p
  36         output = p.communicate()[0]
  37         end = time.time()
  38         if not quiet:
  39                 print '\r[%.5f] >> %s' % (end - start, ' | '.join(cmds))
  40         exectime_external += (end - start)
  41         return output.rstrip('\n')
  42
  43 def getkeyssortedbyvalues(dict):
  44         return map(lambda el : el[1], sorted(map(lambda el : (el[1], el[0]), dict.items())))
  45
  46 # dict['author'] = { 'commits': 512 } - ...key(dict, 'commits')
  47 def getkeyssortedbyvaluekey(d, key):
  48         return map(lambda el : el[1], sorted(map(lambda el : (d[el][key], el), d.keys())))
  49
  50 class DataCollector:
  51         """Manages data collection from a revision control repository."""
  52         def __init__(self):
  53                 self.stamp_created = time.time()
  54
  55         ##
  56         # This should be the main function to extract data from the repository.
  57         def collect(self, dir):
  58                 self.dir = dir
  59                 self.projectname = os.path.basename(os.path.abspath(dir))
  60
  61         ##
  62         # Produce any additional statistics from the extracted data.
  63         def refine(self):
  64                 pass
  65
  66         ##
  67         # : get a dictionary of author
  68         def getAuthorInfo(self, author):
  69                 return None
  70
  71         def getActivityByDayOfWeek(self):
  72                 return {}
  73
  74         def getActivityByHourOfDay(self):
  75                 return {}
  76
  77         ##
  78         # Get a list of authors
  79         def getAuthors(self):
  80                 return []
  81
  82         def getFirstCommitDate(self):
  83                 return datetime.datetime.now()
  84
  85         def getLastCommitDate(self):
  86                 return datetime.datetime.now()
  87
  88         def getStampCreated(self):
  89                 return self.stamp_created
  90
  91         def getTags(self):
  92                 return []
  93
  94         def getTotalAuthors(self):
  95                 return -1
  96
  97         def getTotalCommits(self):
  98                 return -1
  99
 100         def getTotalFiles(self):
 101                 return -1
 102
 103         def getTotalLOC(self):
 104                 return -1
 105
 106 class GitDataCollector(DataCollector):
 107         def collect(self, dir):
 108                 DataCollector.collect(self, dir)
 109
 110                 try:
 111                         self.total_authors = int(getpipeoutput(['git-log', 'git-shortlog -s', 'wc -l']))
 112                 except:
 113                         self.total_authors = 0
 114                 #self.total_lines = int(getoutput('git-ls-files -z |xargs -0 cat |wc -l'))
 115
 116                 self.activity_by_hour_of_day = {} # hour -> commits
 117                 self.activity_by_day_of_week = {} # day -> commits
 118                 self.activity_by_month_of_year = {} # month [1-12] -> commits
 119                 self.activity_by_hour_of_week = {} # weekday -> hour -> commits
 120
 121                 self.authors = {} # name -> {commits, first_commit_stamp, last_commit_stamp}
 122
 123                 # author of the month
 124                 self.author_of_month = {} # month -> author -> commits
 125                 self.author_of_year = {} # year -> author -> commits
 126                 self.commits_by_month = {} # month -> commits
 127                 self.commits_by_year = {} # year -> commits
 128                 self.first_commit_stamp = 0
 129                 self.last_commit_stamp = 0
 130
 131                 # tags
 132                 self.tags = {}
 133                 lines = getpipeoutput(['git-show-ref --tags']).split('\n')
 134                 for line in lines:
 135                         if len(line) == 0:
 136                                 continue
 137                         print "line = ", line
 138                         splitted_str = line.split(' ')
 139                         print "splitted_str = ", splitted_str
 140                         (hash, tag) = splitted_str
 141
 142                         tag = tag.replace('refs/tags/', '')
 143                         output = getpipeoutput(['git-log "%s" --pretty=format:"%%at %%an" -n 1' % hash])
 144                         if len(output) > 0:
 145                                 parts = output.split(' ')
 146                                 stamp = 0
 147                                 try:
 148                                         stamp = int(parts[0])
 149                                 except ValueError:
 150                                         stamp = 0
 151                                 self.tags[tag] = { 'stamp': stamp, 'hash' : hash, 'date' : datetime.datetime.fromtimestamp(stamp).strftime('%Y-%m-%d') }
 152
 153                 # Collect revision statistics
 154                 # Outputs "<stamp> <author>"
 155                 lines = getpipeoutput(['git-rev-list --pretty=format:"%at %an" HEAD', 'grep -v ^commit']).split('\n')
 156                 for line in lines:
 157                         # linux-2.6 says "<unknown>" for one line O_o
 158                         parts = line.split(' ')
 159                         author = ''
 160                         try:
 161                                 stamp = int(parts[0])
 162                         except ValueError:
 163                                 print "lines = ", lines
 164                                 print "line = ", line
 165                                 raise
 166                                 stamp = 0
 167                         if len(parts) > 1:
 168                                 author = ' '.join(parts[1:])
 169                         date = datetime.datetime.fromtimestamp(float(stamp))
 170
 171                         # First and last commit stamp
 172                         if self.last_commit_stamp == 0:
 173                                 self.last_commit_stamp = stamp
 174                         self.first_commit_stamp = stamp
 175
 176                         # activity
 177                         # hour
 178                         hour = date.hour
 179                         if hour in self.activity_by_hour_of_day:
 180                                 self.activity_by_hour_of_day[hour] += 1
 181                         else:
 182                                 self.activity_by_hour_of_day[hour] = 1
 183
 184                         # day of week
 185                         day = date.weekday()
 186                         if day in self.activity_by_day_of_week:
 187                                 self.activity_by_day_of_week[day] += 1
 188                         else:
 189                                 self.activity_by_day_of_week[day] = 1
 190
 191                         # hour of week
 192                         if day not in self.activity_by_hour_of_week:
 193                                 self.activity_by_hour_of_week[day] = {}
 194                         if hour not in self.activity_by_hour_of_week[day]:
 195                                 self.activity_by_hour_of_week[day][hour] = 1
 196                         else:
 197                                 self.activity_by_hour_of_week[day][hour] += 1
 198
 199                         # month of year
 200                         month = date.month
 201                         if month in self.activity_by_month_of_year:
 202                                 self.activity_by_month_of_year[month] += 1
 203                         else:
 204                                 self.activity_by_month_of_year[month] = 1
 205
 206                         # author stats
 207                         if author not in self.authors:
 208                                 self.authors[author] = {}
 209                         # commits
 210                         if 'last_commit_stamp' not in self.authors[author]:
 211                                 self.authors[author]['last_commit_stamp'] = stamp
 212                         self.authors[author]['first_commit_stamp'] = stamp
 213                         if 'commits' in self.authors[author]:
 214                                 self.authors[author]['commits'] += 1
 215                         else:
 216                                 self.authors[author]['commits'] = 1
 217
 218                         # author of the month/year
 219                         yymm = datetime.datetime.fromtimestamp(stamp).strftime('%Y-%m')
 220                         if yymm in self.author_of_month:
 221                                 if author in self.author_of_month[yymm]:
 222                                         self.author_of_month[yymm][author] += 1
 223                                 else:
 224                                         self.author_of_month[yymm][author] = 1
 225                         else:
 226                                 self.author_of_month[yymm] = {}
 227                                 self.author_of_month[yymm][author] = 1
 228                         if yymm in self.commits_by_month:
 229                                 self.commits_by_month[yymm] += 1
 230                         else:
 231                                 self.commits_by_month[yymm] = 1
 232
 233                         yy = datetime.datetime.fromtimestamp(stamp).year
 234                         if yy in self.author_of_year:
 235                                 if author in self.author_of_year[yy]:
 236                                         self.author_of_year[yy][author] += 1
 237                                 else:
 238                                         self.author_of_year[yy][author] = 1
 239                         else:
 240                                 self.author_of_year[yy] = {}
 241                                 self.author_of_year[yy][author] = 1
 242                         if yy in self.commits_by_year:
 243                                 self.commits_by_year[yy] += 1
 244                         else:
 245                                 self.commits_by_year[yy] = 1
 246
 247                 # TODO Optimize this, it's the worst bottleneck
 248                 # outputs "<stamp> <files>" for each revision
 249                 self.files_by_stamp = {} # stamp -> files
 250                 revlines = getpipeoutput(['git-rev-list --pretty=format:"%at %T" HEAD', 'grep -v ^commit']).strip().split('\n')
 251                 lines = []
 252                 for revline in revlines:
 253                         time, rev = revline.split(' ')
 254                         linecount = int(getpipeoutput(['git-ls-tree -r --name-only "%s"' % rev, 'wc -l']).split('\n')[0])
 255                         lines.append('%d %d' % (int(time), linecount))
 256
 257                 self.total_commits = len(lines)
 258                 for line in lines:
 259                         parts = line.split(' ')
 260                         if len(parts) != 2:
 261                                 continue
 262                         (stamp, files) = parts[0:2]
 263                         try:
 264                                 self.files_by_stamp[int(stamp)] = int(files)
 265                         except ValueError:
 266                                 print 'Warning: failed to parse line "%s"' % line
 267
 268                 # extensions
 269                 self.extensions = {} # extension -> files, lines
 270                 lines = getpipeoutput(['git-ls-files']).split('\n')
 271                 self.total_files = len(lines)
 272                 for line in lines:
 273                         base = os.path.basename(line)
 274                         if base.find('.') == -1:
 275                                 ext = ''
 276                         else:
 277                                 ext = base[(base.rfind('.') + 1):]
 278
 279                         if ext not in self.extensions:
 280                                 self.extensions[ext] = {'files': 0, 'lines': 0}
 281
 282                         self.extensions[ext]['files'] += 1
 283                         try:
 284                                 # Escaping could probably be improved here
 285                                 self.extensions[ext]['lines'] += int(getpipeoutput(['wc -l "%s"' % line]).split()[0])
 286                         except:
 287                                 print 'Warning: Could not count lines for file "%s"' % line
 288
 289                 # line statistics
 290                 # outputs:
 291                 #  N files changed, N insertions (+), N deletions(-)
 292                 # <stamp> <author>
 293                 self.changes_by_date = {} # stamp -> { files, ins, del }
 294                 lines = getpipeoutput(['git-log --shortstat --pretty=format:"%at %an"']).split('\n')
 295                 lines.reverse()
 296                 files = 0; inserted = 0; deleted = 0; total_lines = 0
 297                 for line in lines:
 298                         if len(line) == 0:
 299                                 continue
 300
 301                         # <stamp> <author>
 302                         if line.find('files changed,') == -1:
 303                                 pos = line.find(' ')
 304                                 if pos != -1:
 305                                         try:
 306                                                 (stamp, author) = (int(line[:pos]), line[pos+1:])
 307                                                 self.changes_by_date[stamp] = { 'files': files, 'ins': inserted, 'del': deleted, 'lines': total_lines }
 308                                         except ValueError:
 309                                                 print 'Warning: unexpected line "%s"' % line
 310                                 else:
 311                                         print 'Warning: unexpected line "%s"' % line
 312                         else:
 313                                 numbers = re.findall('\d+', line)
 314                                 if len(numbers) == 3:
 315                                         (files, inserted, deleted) = map(lambda el : int(el), numbers)
 316                                         total_lines += inserted
 317                                         total_lines -= deleted
 318                                 else:
 319                                         print 'Warning: failed to handle line "%s"' % line
 320                                         (files, inserted, deleted) = (0, 0, 0)
 321                                 #self.changes_by_date[stamp] = { 'files': files, 'ins': inserted, 'del': deleted }
 322                 self.total_lines = total_lines
 323
 324         def refine(self):
 325                 # authors
 326                 # name -> {place_by_commits, commits_frac, date_first, date_last, timedelta}
 327                 authors_by_commits = getkeyssortedbyvaluekey(self.authors, 'commits')
 328                 authors_by_commits.reverse() # most first
 329                 for i, name in enumerate(authors_by_commits):
 330                         self.authors[name]['place_by_commits'] = i + 1
 331
 332                 for name in self.authors.keys():
 333                         a = self.authors[name]
 334                         a['commits_frac'] = (100 * float(a['commits'])) / self.getTotalCommits()
 335                         date_first = datetime.datetime.fromtimestamp(a['first_commit_stamp'])
 336                         date_last = datetime.datetime.fromtimestamp(a['last_commit_stamp'])
 337                         delta = date_last - date_first
 338                         a['date_first'] = date_first.strftime('%Y-%m-%d')
 339                         a['date_last'] = date_last.strftime('%Y-%m-%d')
 340                         a['timedelta'] = delta
 341
 342         def getActivityByDayOfWeek(self):
 343                 return self.activity_by_day_of_week
 344
 345         def getActivityByHourOfDay(self):
 346                 return self.activity_by_hour_of_day
 347
 348         def getAuthorInfo(self, author):
 349                 return self.authors[author]
 350
 351         def getAuthors(self):
 352                 return self.authors.keys()
 353
 354         def getFirstCommitDate(self):
 355                 return datetime.datetime.fromtimestamp(self.first_commit_stamp)
 356
 357         def getLastCommitDate(self):
 358                 return datetime.datetime.fromtimestamp(self.last_commit_stamp)
 359
 360         def getTags(self):
 361                 lines = getpipeoutput(['git-show-ref --tags', 'cut -d/ -f3'])
 362                 return lines.split('\n')
 363
 364         def getTagDate(self, tag):
 365                 return self.revToDate('tags/' + tag)
 366
 367         def getTotalAuthors(self):
 368                 return self.total_authors
 369
 370         def getTotalCommits(self):
 371                 return self.total_commits
 372
 373         def getTotalFiles(self):
 374                 return self.total_files
 375
 376         def getTotalLOC(self):
 377                 return self.total_lines
 378
 379         def revToDate(self, rev):
 380                 stamp = int(getpipeoutput(['git-log --pretty=format:%%at "%s" -n 1' % rev]))
 381                 return datetime.datetime.fromtimestamp(stamp).strftime('%Y-%m-%d')
 382
 383 class ReportCreator:
 384         """Creates the actual report based on given data."""
 385         def __init__(self):
 386                 pass
 387
 388         def create(self, data, path):
 389                 self.data = data
 390                 self.path = path
 391
 392 def html_linkify(text):
 393         return text.lower().replace(' ', '_')
 394
 395 def html_header(level, text):
 396         name = html_linkify(text)
 397         return '\n<h%d><a href="#%s" name="%s">%s</a></h%d>\n\n' % (level, name, name, text, level)
 398
 399 class HTMLReportCreator(ReportCreator):
 400         def create(self, data, path):
 401                 ReportCreator.create(self, data, path)
 402                 self.title = data.projectname
 403
 404                 # copy the CSS if it does not exist
 405                 if not os.path.exists(path + '/gitstats.css'):
 406                         basedir = os.path.dirname(os.path.abspath(__file__))
 407                         shutil.copyfile(basedir + '/gitstats.css', path + '/gitstats.css')
 408
 409                 f = open(path + "/index.html", 'w')
 410                 format = '%Y-%m-%d %H:%m:%S'
 411                 self.printHeader(f)
 412
 413                 f.write('<h1>GitStats - %s</h1>' % data.projectname)
 414
 415                 self.printNav(f)
 416
 417                 f.write('<dl>');
 418                 f.write('<dt>Project name</dt><dd>%s</dd>' % (data.projectname))
 419                 f.write('<dt>Generated</dt><dd>%s (in %d seconds)</dd>' % (datetime.datetime.now().strftime(format), time.time() - data.getStampCreated()));
 420                 f.write('<dt>Report Period</dt><dd>%s to %s</dd>' % (data.getFirstCommitDate().strftime(format), data.getLastCommitDate().strftime(format)))
 421                 f.write('<dt>Total Files</dt><dd>%s</dd>' % data.getTotalFiles())
 422                 f.write('<dt>Total Lines of Code</dt><dd>%s</dd>' % data.getTotalLOC())
 423                 f.write('<dt>Total Commits</dt><dd>%s</dd>' % data.getTotalCommits())
 424                 f.write('<dt>Authors</dt><dd>%s</dd>' % data.getTotalAuthors())
 425                 f.write('</dl>');
 426
 427                 f.write('</body>\n</html>');
 428                 f.close()
 429
 430                 ###
 431                 # Activity
 432                 f = open(path + '/activity.html', 'w')
 433                 self.printHeader(f)
 434                 f.write('<h1>Activity</h1>')
 435                 self.printNav(f)
 436
 437                 #f.write('<h2>Last 30 days</h2>')
 438
 439                 #f.write('<h2>Last 12 months</h2>')
 440
 441                 # Hour of Day
 442                 f.write(html_header(2, 'Hour of Day'))
 443                 hour_of_day = data.getActivityByHourOfDay()
 444                 f.write('<table><tr><th>Hour</th>')
 445                 for i in range(1, 25):
 446                         f.write('<th>%d</th>' % i)
 447                 f.write('</tr>\n<tr><th>Commits</th>')
 448                 fp = open(path + '/hour_of_day.dat', 'w')
 449                 for i in range(0, 24):
 450                         if i in hour_of_day:
 451                                 f.write('<td>%d</td>' % hour_of_day[i])
 452                                 fp.write('%d %d\n' % (i, hour_of_day[i]))
 453                         else:
 454                                 f.write('<td>0</td>')
 455                                 fp.write('%d 0\n' % i)
 456                 fp.close()
 457                 f.write('</tr>\n<tr><th>%</th>')
 458                 totalcommits = data.getTotalCommits()
 459                 for i in range(0, 24):
 460                         if i in hour_of_day:
 461                                 f.write('<td>%.2f</td>' % ((100.0 * hour_of_day[i]) / totalcommits))
 462                         else:
 463                                 f.write('<td>0.00</td>')
 464                 f.write('</tr></table>')
 465                 f.write('<img src="hour_of_day.png" alt="Hour of Day" />')
 466                 fg = open(path + '/hour_of_day.dat', 'w')
 467                 for i in range(0, 24):
 468                         if i in hour_of_day:
 469                                 fg.write('%d %d\n' % (i + 1, hour_of_day[i]))
 470                         else:
 471                                 fg.write('%d 0\n' % (i + 1))
 472                 fg.close()
 473
 474                 # Day of Week
 475                 f.write(html_header(2, 'Day of Week'))
 476                 day_of_week = data.getActivityByDayOfWeek()
 477                 f.write('<div class="vtable"><table>')
 478                 f.write('<tr><th>Day</th><th>Total (%)</th></tr>')
 479                 fp = open(path + '/day_of_week.dat', 'w')
 480                 for d in range(0, 7):
 481                         commits = 0
 482                         if d in day_of_week:
 483                                 commits = day_of_week[d]
 484                         fp.write('%d %d\n' % (d + 1, commits))
 485                         f.write('<tr>')
 486                         f.write('<th>%d</th>' % (d + 1))
 487                         if d in day_of_week:
 488                                 f.write('<td>%d (%.2f%%)</td>' % (day_of_week[d], (100.0 * day_of_week[d]) / totalcommits))
 489                         else:
 490                                 f.write('<td>0</td>')
 491                         f.write('</tr>')
 492                 f.write('</table></div>')
 493                 f.write('<img src="day_of_week.png" alt="Day of Week" />')
 494                 fp.close()
 495
 496                 # Hour of Week
 497                 f.write(html_header(2, 'Hour of Week'))
 498                 f.write('<table>')
 499
 500                 f.write('<tr><th>Weekday</th>')
 501                 for hour in range(0, 24):
 502                         f.write('<th>%d</th>' % (hour + 1))
 503                 f.write('</tr>')
 504
 505                 for weekday in range(0, 7):
 506                         f.write('<tr><th>%d</th>' % (weekday + 1))
 507                         for hour in range(0, 24):
 508                                 try:
 509                                         commits = data.activity_by_hour_of_week[weekday][hour]
 510                                 except KeyError:
 511                                         commits = 0
 512                                 if commits != 0:
 513                                         f.write('<td>%d</td>' % commits)
 514                                 else:
 515                                         f.write('<td></td>')
 516                         f.write('</tr>')
 517
 518                 f.write('</table>')
 519
 520                 # Month of Year
 521                 f.write(html_header(2, 'Month of Year'))
 522                 f.write('<div class="vtable"><table>')
 523                 f.write('<tr><th>Month</th><th>Commits (%)</th></tr>')
 524                 fp = open (path + '/month_of_year.dat', 'w')
 525                 for mm in range(1, 13):
 526                         commits = 0
 527                         if mm in data.activity_by_month_of_year:
 528                                 commits = data.activity_by_month_of_year[mm]
 529                         f.write('<tr><td>%d</td><td>%d (%.2f %%)</td></tr>' % (mm, commits, (100.0 * commits) / data.getTotalCommits()))
 530                         fp.write('%d %d\n' % (mm, commits))
 531                 fp.close()
 532                 f.write('</table></div>')
 533                 f.write('<img src="month_of_year.png" alt="Month of Year" />')
 534
 535                 # Commits by year/month
 536                 f.write(html_header(2, 'Commits by year/month'))
 537                 f.write('<div class="vtable"><table><tr><th>Month</th><th>Commits</th></tr>')
 538                 for yymm in reversed(sorted(data.commits_by_month.keys())):
 539                         f.write('<tr><td>%s</td><td>%d</td></tr>' % (yymm, data.commits_by_month[yymm]))
 540                 f.write('</table></div>')
 541                 f.write('<img src="commits_by_year_month.png" alt="Commits by year/month" />')
 542                 fg = open(path + '/commits_by_year_month.dat', 'w')
 543                 for yymm in sorted(data.commits_by_month.keys()):
 544                         fg.write('%s %s\n' % (yymm, data.commits_by_month[yymm]))
 545                 fg.close()
 546
 547                 # Commits by year
 548                 f.write(html_header(2, 'Commits by Year'))
 549                 f.write('<div class="vtable"><table><tr><th>Year</th><th>Commits (% of all)</th></tr>')
 550                 for yy in reversed(sorted(data.commits_by_year.keys())):
 551                         f.write('<tr><td>%s</td><td>%d (%.2f%%)</td></tr>' % (yy, data.commits_by_year[yy], (100.0 * data.commits_by_year[yy]) / data.getTotalCommits()))
 552                 f.write('</table></div>')
 553                 f.write('<img src="commits_by_year.png" alt="Commits by Year" />')
 554                 fg = open(path + '/commits_by_year.dat', 'w')
 555                 for yy in sorted(data.commits_by_year.keys()):
 556                         fg.write('%d %d\n' % (yy, data.commits_by_year[yy]))
 557                 fg.close()
 558
 559                 f.write('</body></html>')
 560                 f.close()
 561
 562                 ###
 563                 # Authors
 564                 f = open(path + '/authors.html', 'w')
 565                 self.printHeader(f)
 566
 567                 f.write('<h1>Authors</h1>')
 568                 self.printNav(f)
 569
 570                 # Authors :: List of authors
 571                 f.write(html_header(2, 'List of Authors'))
 572
 573                 f.write('<table class="authors">')
 574                 f.write('<tr><th>Author</th><th>Commits (%)</th><th>First commit</th><th>Last commit</th><th>Age</th><th># by commits</th></tr>')
 575                 for author in sorted(data.getAuthors()):
 576                         info = data.getAuthorInfo(author)
 577                         f.write('<tr><td>%s</td><td>%d (%.2f%%)</td><td>%s</td><td>%s</td><td>%s</td><td>%d</td></tr>' % (author, info['commits'], info['commits_frac'], info['date_first'], info['date_last'], info['timedelta'], info['place_by_commits']))
 578                 f.write('</table>')
 579
 580                 # Authors :: Author of Month
 581                 f.write(html_header(2, 'Author of Month'))
 582                 f.write('<table>')
 583                 f.write('<tr><th>Month</th><th>Author</th><th>Commits (%)</th><th>Next top 5</th></tr>')
 584                 for yymm in reversed(sorted(data.author_of_month.keys())):
 585                         authordict = data.author_of_month[yymm]
 586                         authors = getkeyssortedbyvalues(authordict)
 587                         authors.reverse()
 588                         commits = data.author_of_month[yymm][authors[0]]
 589                         next = ', '.join(authors[1:5])
 590                         f.write('<tr><td>%s</td><td>%s</td><td>%d (%.2f%% of %d)</td><td>%s</td></tr>' % (yymm, authors[0], commits, (100 * commits) / data.commits_by_month[yymm], data.commits_by_month[yymm], next))
 591
 592                 f.write('</table>')
 593
 594                 f.write(html_header(2, 'Author of Year'))
 595                 f.write('<table><tr><th>Year</th><th>Author</th><th>Commits (%)</th><th>Next top 5</th></tr>')
 596                 for yy in reversed(sorted(data.author_of_year.keys())):
 597                         authordict = data.author_of_year[yy]
 598                         authors = getkeyssortedbyvalues(authordict)
 599                         authors.reverse()
 600                         commits = data.author_of_year[yy][authors[0]]
 601                         next = ', '.join(authors[1:5])
 602                         f.write('<tr><td>%s</td><td>%s</td><td>%d (%.2f%% of %d)</td><td>%s</td></tr>' % (yy, authors[0], commits, (100 * commits) / data.commits_by_year[yy], data.commits_by_year[yy], next))
 603                 f.write('</table>')
 604
 605                 f.write('</body></html>')
 606                 f.close()
 607
 608                 ###
 609                 # Files
 610                 f = open(path + '/files.html', 'w')
 611                 self.printHeader(f)
 612                 f.write('<h1>Files</h1>')
 613                 self.printNav(f)
 614
 615                 f.write('<dl>\n')
 616                 f.write('<dt>Total files</dt><dd>%d</dd>' % data.getTotalFiles())
 617                 f.write('<dt>Total lines</dt><dd>%d</dd>' % data.getTotalLOC())
 618                 f.write('<dt>Average file size</dt><dd>%.2f bytes</dd>' % ((100.0 * data.getTotalLOC()) / data.getTotalFiles()))
 619                 f.write('</dl>\n')
 620
 621                 # Files :: File count by date
 622                 f.write(html_header(2, 'File count by date'))
 623
 624                 fg = open(path + '/files_by_date.dat', 'w')
 625                 for stamp in sorted(data.files_by_stamp.keys()):
 626                         fg.write('%s %d\n' % (datetime.datetime.fromtimestamp(stamp).strftime('%Y-%m-%d'), data.files_by_stamp[stamp]))
 627                 fg.close()
 628
 629                 f.write('<img src="files_by_date.png" alt="Files by Date" />')
 630
 631                 #f.write('<h2>Average file size by date</h2>')
 632
 633                 # Files :: Extensions
 634                 f.write(html_header(2, 'Extensions'))
 635                 f.write('<table><tr><th>Extension</th><th>Files (%)</th><th>Lines (%)</th><th>Lines/file</th></tr>')
 636                 for ext in sorted(data.extensions.keys()):
 637                         files = data.extensions[ext]['files']
 638                         lines = data.extensions[ext]['lines']
 639                         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))
 640                 f.write('</table>')
 641
 642                 f.write('</body></html>')
 643                 f.close()
 644
 645                 ###
 646                 # Lines
 647                 f = open(path + '/lines.html', 'w')
 648                 self.printHeader(f)
 649                 f.write('<h1>Lines</h1>')
 650                 self.printNav(f)
 651
 652                 f.write('<dl>\n')
 653                 f.write('<dt>Total lines</dt><dd>%d</dd>' % data.getTotalLOC())
 654                 f.write('</dl>\n')
 655
 656                 f.write(html_header(2, 'Lines of Code'))
 657                 f.write('<img src="lines_of_code.png" />')
 658
 659                 fg = open(path + '/lines_of_code.dat', 'w')
 660                 for stamp in sorted(data.changes_by_date.keys()):
 661                         fg.write('%d %d\n' % (stamp, data.changes_by_date[stamp]['lines']))
 662                 fg.close()
 663
 664                 f.write('</body></html>')
 665                 f.close()
 666
 667                 ###
 668                 # tags.html
 669                 f = open(path + '/tags.html', 'w')
 670                 self.printHeader(f)
 671                 f.write('<h1>Tags</h1>')
 672                 self.printNav(f)
 673
 674                 f.write('<dl>')
 675                 f.write('<dt>Total tags</dt><dd>%d</dd>' % len(data.tags))
 676                 if len(data.tags) > 0:
 677                         f.write('<dt>Average commits per tag</dt><dd>%.2f</dd>' % (data.getTotalCommits() / len(data.tags)))
 678                 f.write('</dl>')
 679
 680                 f.write('<table>')
 681                 f.write('<tr><th>Name</th><th>Date</th></tr>')
 682                 # sort the tags by date desc
 683                 tags_sorted_by_date_desc = map(lambda el : el[1], reversed(sorted(map(lambda el : (el[1]['date'], el[0]), data.tags.items()))))
 684                 for tag in tags_sorted_by_date_desc:
 685                         f.write('<tr><td>%s</td><td>%s</td></tr>' % (tag, data.tags[tag]['date']))
 686                 f.write('</table>')
 687
 688                 f.write('</body></html>')
 689                 f.close()
 690
 691                 self.createGraphs(path)
 692
 693         def createGraphs(self, path):
 694                 print 'Generating graphs...'
 695
 696                 # hour of day
 697                 f = open(path + '/hour_of_day.plot', 'w')
 698                 f.write(GNUPLOT_COMMON)
 699                 f.write(
 700 """
 701 set output 'hour_of_day.png'
 702 unset key
 703 set xrange [0.5:24.5]
 704 set xtics 4
 705 set ylabel "Commits"
 706 plot 'hour_of_day.dat' using 1:2:(0.5) w boxes fs solid
 707 """)
 708                 f.close()
 709
 710                 # day of week
 711                 f = open(path + '/day_of_week.plot', 'w')
 712                 f.write(GNUPLOT_COMMON)
 713                 f.write(
 714 """
 715 set output 'day_of_week.png'
 716 unset key
 717 set xrange [0.5:7.5]
 718 set xtics 1
 719 set ylabel "Commits"
 720 plot 'day_of_week.dat' using 1:2:(0.5) w boxes fs solid
 721 """)
 722                 f.close()
 723
 724                 # Month of Year
 725                 f = open(path + '/month_of_year.plot', 'w')
 726                 f.write(GNUPLOT_COMMON)
 727                 f.write(
 728 """
 729 set output 'month_of_year.png'
 730 unset key
 731 set xrange [0.5:12.5]
 732 set xtics 1
 733 set ylabel "Commits"
 734 plot 'month_of_year.dat' using 1:2:(0.5) w boxes fs solid
 735 """)
 736                 f.close()
 737
 738                 # commits_by_year_month
 739                 f = open(path + '/commits_by_year_month.plot', 'w')
 740                 f.write(GNUPLOT_COMMON)
 741                 f.write(
 742 """
 743 set output 'commits_by_year_month.png'
 744 unset key
 745 set xdata time
 746 set timefmt "%Y-%m"
 747 set format x "%Y-%m"
 748 set xtics rotate by 90 15768000
 749 set bmargin 5
 750 set ylabel "Commits"
 751 plot 'commits_by_year_month.dat' using 1:2:(0.5) w boxes fs solid
 752 """)
 753                 f.close()
 754
 755                 # commits_by_year
 756                 f = open(path + '/commits_by_year.plot', 'w')
 757                 f.write(GNUPLOT_COMMON)
 758                 f.write(
 759 """
 760 set output 'commits_by_year.png'
 761 unset key
 762 set xtics 1
 763 set ylabel "Commits"
 764 plot 'commits_by_year.dat' using 1:2:(0.5) w boxes fs solid
 765 """)
 766                 f.close()
 767
 768                 # Files by date
 769                 f = open(path + '/files_by_date.plot', 'w')
 770                 f.write(GNUPLOT_COMMON)
 771                 f.write(
 772 """
 773 set output 'files_by_date.png'
 774 unset key
 775 set xdata time
 776 set timefmt "%Y-%m-%d"
 777 set format x "%Y-%m-%d"
 778 set ylabel "Files"
 779 set xtics rotate by 90
 780 set bmargin 6
 781 plot 'files_by_date.dat' using 1:2 smooth csplines
 782 """)
 783                 f.close()
 784
 785                 # Lines of Code
 786                 f = open(path + '/lines_of_code.plot', 'w')
 787                 f.write(GNUPLOT_COMMON)
 788                 f.write(
 789 """
 790 set output 'lines_of_code.png'
 791 unset key
 792 set xdata time
 793 set timefmt "%s"
 794 set format x "%Y-%m-%d"
 795 set ylabel "Lines"
 796 set xtics rotate by 90
 797 set bmargin 6
 798 plot 'lines_of_code.dat' using 1:2 w lines
 799 """)
 800                 f.close()
 801
 802                 os.chdir(path)
 803                 files = glob.glob(path + '/*.plot')
 804                 for f in files:
 805                         out = getpipeoutput([gnuplot_cmd + ' "%s"' % f])
 806                         if len(out) > 0:
 807                                 print out
 808
 809         def printHeader(self, f, title = ''):
 810                 f.write(
 811 """<?xml version="1.0" encoding="UTF-8"?>
 812 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 813 <html xmlns="http://www.w3.org/1999/xhtml">
 814 <head>
 815         <title>GitStats - %s</title>
 816         <link rel="stylesheet" href="gitstats.css" type="text/css" />
 817         <meta name="generator" content="GitStats" />
 818 </head>
 819 <body>
 820 """ % self.title)
 821
 822         def printNav(self, f):
 823                 f.write("""
 824 <div class="nav">
 825 <ul>
 826 <li><a href="index.html">General</a></li>
 827 <li><a href="activity.html">Activity</a></li>
 828 <li><a href="authors.html">Authors</a></li>
 829 <li><a href="files.html">Files</a></li>
 830 <li><a href="lines.html">Lines</a></li>
 831 <li><a href="tags.html">Tags</a></li>
 832 </ul>
 833 </div>
 834 """)
 835
 836
 837 usage = """
 838 Usage: gitstats [options] <gitpath> <outputpath>
 839
 840 Options:
 841 """
 842
 843 if len(sys.argv) <  3:
 844         print usage
 845         sys.exit(0)
 846
 847 gitpath = sys.argv[1]
 848 outputpath = os.path.abspath(sys.argv[2])
 849 rundir = os.getcwd()
 850
 851 try:
 852         os.makedirs(outputpath)
 853 except OSError:
 854         pass
 855 if not os.path.isdir(outputpath):
 856         print 'FATAL: Output path is not a directory or does not exist'
 857         sys.exit(1)
 858
 859 print 'Git path: %s' % gitpath
 860 print 'Output path: %s' % outputpath
 861
 862 os.chdir(gitpath)
 863
 864 print 'Collecting data...'
 865 data = GitDataCollector()
 866 data.collect(gitpath)
 867 print 'Refining data...'
 868 data.refine()
 869
 870 os.chdir(rundir)
 871
 872 print 'Generating report...'
 873 report = HTMLReportCreator()
 874 report.create(data, outputpath)
 875
 876 time_end = time.time()
 877 exectime_internal = time_end - time_start
 878 print 'Execution time %.5f secs, %.5f secs (%.2f %%) in external commands)' % (exectime_internal, exectime_external, (100.0 * exectime_external) / exectime_internal)