gitstats

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