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" |tac').split('\n')
 263                 files = 0; inserted = 0; deleted = 0; total_lines = 0
 264                 for line in lines:
 265                         if len(line) == 0:
 266                                 continue
 267
 268                         # <stamp> <author>
 269                         if line.find('files changed,') == -1:
 270                                 pos = line.find(' ')
 271                                 if pos != -1:
 272                                         (stamp, author) = (int(line[:pos]), line[pos+1:])
 273                                         self.changes_by_date[stamp] = { 'files': files, 'ins': inserted, 'del': deleted, 'lines': total_lines }
 274                                 else:
 275                                         print 'Warning: unexpected line "%s"' % line
 276                         else:
 277                                 numbers = re.findall('\d+', line)
 278                                 if len(numbers) == 3:
 279                                         (files, inserted, deleted) = map(lambda el : int(el), numbers)
 280                                         total_lines += inserted
 281                                         total_lines -= deleted
 282                                 else:
 283                                         print 'Warning: failed to handle line "%s"' % line
 284                                         (files, inserted, deleted) = (0, 0, 0)
 285                                 #self.changes_by_date[stamp] = { 'files': files, 'ins': inserted, 'del': deleted }
 286                 self.total_lines = total_lines
 287
 288         def getActivityByDayOfWeek(self):
 289                 return self.activity_by_day_of_week
 290
 291         def getActivityByHourOfDay(self):
 292                 return self.activity_by_hour_of_day
 293
 294         def getAuthorInfo(self, author):
 295                 a = self.authors[author]
 296
 297                 commits = a['commits']
 298                 commits_frac = (100 * float(commits)) / self.getTotalCommits()
 299                 date_first = datetime.datetime.fromtimestamp(a['first_commit_stamp'])
 300                 date_last = datetime.datetime.fromtimestamp(a['last_commit_stamp'])
 301                 delta = date_last - date_first
 302
 303                 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 }
 304                 return res
 305
 306         def getAuthors(self):
 307                 return self.authors.keys()
 308
 309         def getFirstCommitDate(self):
 310                 return datetime.datetime.fromtimestamp(self.first_commit_stamp)
 311
 312         def getLastCommitDate(self):
 313                 return datetime.datetime.fromtimestamp(self.last_commit_stamp)
 314
 315         def getTags(self):
 316                 lines = getoutput('git-show-ref --tags |cut -d/ -f3')
 317                 return lines.split('\n')
 318
 319         def getTagDate(self, tag):
 320                 return self.revToDate('tags/' + tag)
 321
 322         def getTotalAuthors(self):
 323                 return self.total_authors
 324
 325         def getTotalCommits(self):
 326                 return self.total_commits
 327
 328         def getTotalFiles(self):
 329                 return self.total_files
 330
 331         def getTotalLOC(self):
 332                 return self.total_lines
 333
 334         def revToDate(self, rev):
 335                 stamp = int(getoutput('git-log --pretty=format:%%at "%s" -n 1' % rev))
 336                 return datetime.datetime.fromtimestamp(stamp).strftime('%Y-%m-%d')
 337
 338 class ReportCreator:
 339         """Creates the actual report based on given data."""
 340         def __init__(self):
 341                 pass
 342
 343         def create(self, data, path):
 344                 self.data = data
 345                 self.path = path
 346
 347 def html_linkify(text):
 348         return text.lower().replace(' ', '_')
 349
 350 def html_header(level, text):
 351         name = html_linkify(text)
 352         return '\n<h%d><a href="#%s" name="%s">%s</a></h%d>\n\n' % (level, name, name, text, level)
 353
 354 class HTMLReportCreator(ReportCreator):
 355         def create(self, data, path):
 356                 ReportCreator.create(self, data, path)
 357                 self.title = data.projectname
 358
 359                 # TODO copy the CSS if it does not exist
 360                 if not os.path.exists(path + '/gitstats.css'):
 361                         shutil.copyfile('gitstats.css', path + '/gitstats.css')
 362                         pass
 363
 364                 f = open(path + "/index.html", 'w')
 365                 format = '%Y-%m-%d %H:%m:%S'
 366                 self.printHeader(f)
 367
 368                 f.write('<h1>GitStats - %s</h1>' % data.projectname)
 369
 370                 self.printNav(f)
 371
 372                 f.write('<dl>');
 373                 f.write('<dt>Project name</dt><dd>%s</dd>' % (data.projectname))
 374                 f.write('<dt>Generated</dt><dd>%s (in %d seconds)</dd>' % (datetime.datetime.now().strftime(format), time.time() - data.getStampCreated()));
 375                 f.write('<dt>Report Period</dt><dd>%s to %s</dd>' % (data.getFirstCommitDate().strftime(format), data.getLastCommitDate().strftime(format)))
 376                 f.write('<dt>Total Files</dt><dd>%s</dd>' % data.getTotalFiles())
 377                 f.write('<dt>Total Lines of Code</dt><dd>%s</dd>' % data.getTotalLOC())
 378                 f.write('<dt>Total Commits</dt><dd>%s</dd>' % data.getTotalCommits())
 379                 f.write('<dt>Authors</dt><dd>%s</dd>' % data.getTotalAuthors())
 380                 f.write('</dl>');
 381
 382                 f.write('</body>\n</html>');
 383                 f.close()
 384
 385                 ###
 386                 # Activity
 387                 f = open(path + '/activity.html', 'w')
 388                 self.printHeader(f)
 389                 f.write('<h1>Activity</h1>')
 390                 self.printNav(f)
 391
 392                 #f.write('<h2>Last 30 days</h2>')
 393
 394                 #f.write('<h2>Last 12 months</h2>')
 395
 396                 # Hour of Day
 397                 f.write(html_header(2, 'Hour of Day'))
 398                 hour_of_day = data.getActivityByHourOfDay()
 399                 f.write('<table><tr><th>Hour</th>')
 400                 for i in range(1, 25):
 401                         f.write('<th>%d</th>' % i)
 402                 f.write('</tr>\n<tr><th>Commits</th>')
 403                 fp = open(path + '/hour_of_day.dat', 'w')
 404                 for i in range(0, 24):
 405                         if i in hour_of_day:
 406                                 f.write('<td>%d</td>' % hour_of_day[i])
 407                                 fp.write('%d %d\n' % (i, hour_of_day[i]))
 408                         else:
 409                                 f.write('<td>0</td>')
 410                                 fp.write('%d 0\n' % i)
 411                 fp.close()
 412                 f.write('</tr>\n<tr><th>%</th>')
 413                 totalcommits = data.getTotalCommits()
 414                 for i in range(0, 24):
 415                         if i in hour_of_day:
 416                                 f.write('<td>%.2f</td>' % ((100.0 * hour_of_day[i]) / totalcommits))
 417                         else:
 418                                 f.write('<td>0.00</td>')
 419                 f.write('</tr></table>')
 420                 f.write('<img src="hour_of_day.png" alt="Hour of Day" />')
 421                 fg = open(path + '/hour_of_day.dat', 'w')
 422                 for i in range(0, 24):
 423                         if i in hour_of_day:
 424                                 fg.write('%d %d\n' % (i + 1, hour_of_day[i]))
 425                         else:
 426                                 fg.write('%d 0\n' % (i + 1))
 427                 fg.close()
 428
 429                 # Day of Week
 430                 f.write(html_header(2, 'Day of Week'))
 431                 day_of_week = data.getActivityByDayOfWeek()
 432                 f.write('<div class="vtable"><table>')
 433                 f.write('<tr><th>Day</th><th>Total (%)</th></tr>')
 434                 fp = open(path + '/day_of_week.dat', 'w')
 435                 for d in range(0, 7):
 436                         commits = 0
 437                         if d in day_of_week:
 438                                 commits = day_of_week[d]
 439                         fp.write('%d %d\n' % (d + 1, commits))
 440                         f.write('<tr>')
 441                         f.write('<th>%d</th>' % (d + 1))
 442                         if d in day_of_week:
 443                                 f.write('<td>%d (%.2f%%)</td>' % (day_of_week[d], (100.0 * day_of_week[d]) / totalcommits))
 444                         else:
 445                                 f.write('<td>0</td>')
 446                         f.write('</tr>')
 447                 f.write('</table></div>')
 448                 f.write('<img src="day_of_week.png" alt="Day of Week" />')
 449                 fp.close()
 450
 451                 # Hour of Week
 452                 f.write(html_header(2, 'Hour of Week'))
 453                 f.write('<table>')
 454
 455                 f.write('<tr><th>Weekday</th>')
 456                 for hour in range(0, 24):
 457                         f.write('<th>%d</th>' % (hour + 1))
 458                 f.write('</tr>')
 459
 460                 for weekday in range(0, 7):
 461                         f.write('<tr><th>%d</th>' % (weekday + 1))
 462                         for hour in range(0, 24):
 463                                 try:
 464                                         commits = data.activity_by_hour_of_week[weekday][hour]
 465                                 except KeyError:
 466                                         commits = 0
 467                                 if commits != 0:
 468                                         f.write('<td>%d</td>' % commits)
 469                                 else:
 470                                         f.write('<td></td>')
 471                         f.write('</tr>')
 472
 473                 f.write('</table>')
 474
 475                 # Month of Year
 476                 f.write(html_header(2, 'Month of Year'))
 477                 f.write('<div class="vtable"><table>')
 478                 f.write('<tr><th>Month</th><th>Commits (%)</th></tr>')
 479                 fp = open (path + '/month_of_year.dat', 'w')
 480                 for mm in range(1, 13):
 481                         commits = 0
 482                         if mm in data.activity_by_month_of_year:
 483                                 commits = data.activity_by_month_of_year[mm]
 484                         f.write('<tr><td>%d</td><td>%d (%.2f %%)</td></tr>' % (mm, commits, (100.0 * commits) / data.getTotalCommits()))
 485                         fp.write('%d %d\n' % (mm, commits))
 486                 fp.close()
 487                 f.write('</table></div>')
 488                 f.write('<img src="month_of_year.png" alt="Month of Year" />')
 489
 490                 # Commits by year/month
 491                 f.write(html_header(2, 'Commits by year/month'))
 492                 f.write('<div class="vtable"><table><tr><th>Month</th><th>Commits</th></tr>')
 493                 for yymm in reversed(sorted(data.commits_by_month.keys())):
 494                         f.write('<tr><td>%s</td><td>%d</td></tr>' % (yymm, data.commits_by_month[yymm]))
 495                 f.write('</table></div>')
 496                 f.write('<img src="commits_by_year_month.png" alt="Commits by year/month" />')
 497                 fg = open(path + '/commits_by_year_month.dat', 'w')
 498                 for yymm in sorted(data.commits_by_month.keys()):
 499                         fg.write('%s %s\n' % (yymm, data.commits_by_month[yymm]))
 500                 fg.close()
 501
 502                 # Commits by year
 503                 f.write(html_header(2, 'Commits by Year'))
 504                 f.write('<div class="vtable"><table><tr><th>Year</th><th>Commits (% of all)</th></tr>')
 505                 for yy in reversed(sorted(data.commits_by_year.keys())):
 506                         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()))
 507                 f.write('</table></div>')
 508                 f.write('<img src="commits_by_year.png" alt="Commits by Year" />')
 509                 fg = open(path + '/commits_by_year.dat', 'w')
 510                 for yy in sorted(data.commits_by_year.keys()):
 511                         fg.write('%d %d\n' % (yy, data.commits_by_year[yy]))
 512                 fg.close()
 513
 514                 f.write('</body></html>')
 515                 f.close()
 516
 517                 ###
 518                 # Authors
 519                 f = open(path + '/authors.html', 'w')
 520                 self.printHeader(f)
 521
 522                 f.write('<h1>Authors</h1>')
 523                 self.printNav(f)
 524
 525                 # Authors :: List of authors
 526                 f.write(html_header(2, 'List of Authors'))
 527
 528                 f.write('<table class="authors">')
 529                 f.write('<tr><th>Author</th><th>Commits (%)</th><th>First commit</th><th>Last commit</th><th>Age</th></tr>')
 530                 for author in sorted(data.getAuthors()):
 531                         info = data.getAuthorInfo(author)
 532                         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']))
 533                 f.write('</table>')
 534
 535                 # Authors :: Author of Month
 536                 f.write(html_header(2, 'Author of Month'))
 537                 f.write('<table>')
 538                 f.write('<tr><th>Month</th><th>Author</th><th>Commits (%)</th></tr>')
 539                 for yymm in reversed(sorted(data.author_of_month.keys())):
 540                         authordict = data.author_of_month[yymm]
 541                         authors = getkeyssortedbyvalues(authordict)
 542                         authors.reverse()
 543                         commits = data.author_of_month[yymm][authors[0]]
 544                         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]))
 545
 546                 f.write('</table>')
 547
 548                 f.write(html_header(2, 'Author of Year'))
 549                 f.write('<table><tr><th>Year</th><th>Author</th><th>Commits (%)</th></tr>')
 550                 for yy in reversed(sorted(data.author_of_year.keys())):
 551                         authordict = data.author_of_year[yy]
 552                         authors = getkeyssortedbyvalues(authordict)
 553                         authors.reverse()
 554                         commits = data.author_of_year[yy][authors[0]]
 555                         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]))
 556                 f.write('</table>')
 557
 558                 f.write('</body></html>')
 559                 f.close()
 560
 561                 ###
 562                 # Files
 563                 f = open(path + '/files.html', 'w')
 564                 self.printHeader(f)
 565                 f.write('<h1>Files</h1>')
 566                 self.printNav(f)
 567
 568                 f.write('<dl>\n')
 569                 f.write('<dt>Total files</dt><dd>%d</dd>' % data.getTotalFiles())
 570                 f.write('<dt>Total lines</dt><dd>%d</dd>' % data.getTotalLOC())
 571                 f.write('<dt>Average file size</dt><dd>%.2f bytes</dd>' % ((100.0 * data.getTotalLOC()) / data.getTotalFiles()))
 572                 f.write('</dl>\n')
 573
 574                 # Files :: File count by date
 575                 f.write(html_header(2, 'File count by date'))
 576
 577                 fg = open(path + '/files_by_date.dat', 'w')
 578                 for stamp in sorted(data.files_by_stamp.keys()):
 579                         fg.write('%s %d\n' % (datetime.datetime.fromtimestamp(stamp).strftime('%Y-%m-%d'), data.files_by_stamp[stamp]))
 580                 fg.close()
 581
 582                 f.write('<img src="files_by_date.png" alt="Files by Date" />')
 583
 584                 #f.write('<h2>Average file size by date</h2>')
 585
 586                 # Files :: Extensions
 587                 f.write(html_header(2, 'Extensions'))
 588                 f.write('<table><tr><th>Extension</th><th>Files (%)</th><th>Lines (%)</th><th>Lines/file</th></tr>')
 589                 for ext in sorted(data.extensions.keys()):
 590                         files = data.extensions[ext]['files']
 591                         lines = data.extensions[ext]['lines']
 592                         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))
 593                 f.write('</table>')
 594
 595                 f.write('</body></html>')
 596                 f.close()
 597
 598                 ###
 599                 # Lines
 600                 f = open(path + '/lines.html', 'w')
 601                 self.printHeader(f)
 602                 f.write('<h1>Lines</h1>')
 603                 self.printNav(f)
 604
 605                 f.write('<dl>\n')
 606                 f.write('<dt>Total lines</dt><dd>%d</dd>' % data.getTotalLOC())
 607                 f.write('</dl>\n')
 608
 609                 f.write(html_header(2, 'Lines of Code'))
 610                 f.write('<img src="lines_of_code.png" />')
 611
 612                 fg = open(path + '/lines_of_code.dat', 'w')
 613                 for stamp in sorted(data.changes_by_date.keys()):
 614                         fg.write('%d %d\n' % (stamp, data.changes_by_date[stamp]['lines']))
 615                 fg.close()
 616
 617                 f.write('</body></html>')
 618                 f.close()
 619
 620                 ###
 621                 # tags.html
 622                 f = open(path + '/tags.html', 'w')
 623                 self.printHeader(f)
 624                 f.write('<h1>Tags</h1>')
 625                 self.printNav(f)
 626
 627                 f.write('<dl>')
 628                 f.write('<dt>Total tags</dt><dd>%d</dd>' % len(data.tags))
 629                 if len(data.tags) > 0:
 630                         f.write('<dt>Average commits per tag</dt><dd>%.2f</dd>' % (data.getTotalCommits() / len(data.tags)))
 631                 f.write('</dl>')
 632
 633                 f.write('<table>')
 634                 f.write('<tr><th>Name</th><th>Date</th></tr>')
 635                 # sort the tags by date desc
 636                 tags_sorted_by_date_desc = map(lambda el : el[1], reversed(sorted(map(lambda el : (el[1]['date'], el[0]), data.tags.items()))))
 637                 for tag in tags_sorted_by_date_desc:
 638                         f.write('<tr><td>%s</td><td>%s</td></tr>' % (tag, data.tags[tag]['date']))
 639                 f.write('</table>')
 640
 641                 f.write('</body></html>')
 642                 f.close()
 643
 644                 self.createGraphs(path)
 645         pass
 646
 647         def createGraphs(self, path):
 648                 print 'Generating graphs...'
 649
 650                 # hour of day
 651                 f = open(path + '/hour_of_day.plot', 'w')
 652                 f.write(GNUPLOT_COMMON)
 653                 f.write(
 654 """
 655 set output 'hour_of_day.png'
 656 unset key
 657 set xrange [0.5:24.5]
 658 set xtics 4
 659 set ylabel "Commits"
 660 plot 'hour_of_day.dat' using 1:2:(0.5) w boxes fs solid
 661 """)
 662                 f.close()
 663
 664                 # day of week
 665                 f = open(path + '/day_of_week.plot', 'w')
 666                 f.write(GNUPLOT_COMMON)
 667                 f.write(
 668 """
 669 set output 'day_of_week.png'
 670 unset key
 671 set xrange [0.5:7.5]
 672 set xtics 1
 673 set ylabel "Commits"
 674 plot 'day_of_week.dat' using 1:2:(0.5) w boxes fs solid
 675 """)
 676                 f.close()
 677
 678                 # Month of Year
 679                 f = open(path + '/month_of_year.plot', 'w')
 680                 f.write(GNUPLOT_COMMON)
 681                 f.write(
 682 """
 683 set output 'month_of_year.png'
 684 unset key
 685 set xrange [0.5:12.5]
 686 set xtics 1
 687 set ylabel "Commits"
 688 plot 'month_of_year.dat' using 1:2:(0.5) w boxes fs solid
 689 """)
 690                 f.close()
 691
 692                 # commits_by_year_month
 693                 f = open(path + '/commits_by_year_month.plot', 'w')
 694                 f.write(GNUPLOT_COMMON)
 695                 f.write(
 696 """
 697 set output 'commits_by_year_month.png'
 698 unset key
 699 set xdata time
 700 set timefmt "%Y-%m"
 701 set format x "%Y-%m"
 702 set xtics rotate by 90 15768000
 703 set bmargin 5
 704 set ylabel "Commits"
 705 plot 'commits_by_year_month.dat' using 1:2:(0.5) w boxes fs solid
 706 """)
 707                 f.close()
 708
 709                 # commits_by_year
 710                 f = open(path + '/commits_by_year.plot', 'w')
 711                 f.write(GNUPLOT_COMMON)
 712                 f.write(
 713 """
 714 set output 'commits_by_year.png'
 715 unset key
 716 set xtics 1
 717 set ylabel "Commits"
 718 plot 'commits_by_year.dat' using 1:2:(0.5) w boxes fs solid
 719 """)
 720                 f.close()
 721
 722                 # Files by date
 723                 f = open(path + '/files_by_date.plot', 'w')
 724                 f.write(GNUPLOT_COMMON)
 725                 f.write(
 726 """
 727 set output 'files_by_date.png'
 728 unset key
 729 set xdata time
 730 set timefmt "%Y-%m-%d"
 731 set format x "%Y-%m-%d"
 732 set ylabel "Files"
 733 set xtics rotate by 90
 734 set bmargin 6
 735 plot 'files_by_date.dat' using 1:2 smooth csplines
 736 """)
 737                 f.close()
 738
 739                 # Lines of Code
 740                 f = open(path + '/lines_of_code.plot', 'w')
 741                 f.write(GNUPLOT_COMMON)
 742                 f.write(
 743 """
 744 set output 'lines_of_code.png'
 745 unset key
 746 set xdata time
 747 set timefmt "%s"
 748 set format x "%Y-%m-%d"
 749 set ylabel "Lines"
 750 set xtics rotate by 90
 751 set bmargin 6
 752 plot 'lines_of_code.dat' using 1:2 w lines
 753 """)
 754                 f.close()
 755
 756                 os.chdir(path)
 757                 files = glob.glob(path + '/*.plot')
 758                 for f in files:
 759                         out = getoutput('gnuplot %s' % f)
 760                         if len(out) > 0:
 761                                 print out
 762
 763         def printHeader(self, f, title = ''):
 764                 f.write(
 765 """<?xml version="1.0" encoding="UTF-8"?>
 766 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 767 <html xmlns="http://www.w3.org/1999/xhtml">
 768 <head>
 769         <title>GitStats - %s</title>
 770         <link rel="stylesheet" href="gitstats.css" type="text/css" />
 771         <meta name="generator" content="GitStats" />
 772 </head>
 773 <body>
 774 """ % self.title)
 775
 776         def printNav(self, f):
 777                 f.write("""
 778 <div class="nav">
 779 <ul>
 780 <li><a href="index.html">General</a></li>
 781 <li><a href="activity.html">Activity</a></li>
 782 <li><a href="authors.html">Authors</a></li>
 783 <li><a href="files.html">Files</a></li>
 784 <li><a href="lines.html">Lines</a></li>
 785 <li><a href="tags.html">Tags</a></li>
 786 </ul>
 787 </div>
 788 """)
 789
 790
 791 usage = """
 792 Usage: gitstats [options] <gitpath> <outputpath>
 793
 794 Options:
 795 """
 796
 797 if len(sys.argv) <  3:
 798         print usage
 799         sys.exit(0)
 800
 801 gitpath = sys.argv[1]
 802 outputpath = os.path.abspath(sys.argv[2])
 803 rundir = os.getcwd()
 804
 805 try:
 806         os.makedirs(outputpath)
 807 except OSError:
 808         pass
 809 if not os.path.isdir(outputpath):
 810         print 'FATAL: Output path is not a directory or does not exist'
 811         sys.exit(1)
 812
 813 print 'Git path: %s' % gitpath
 814 print 'Output path: %s' % outputpath
 815
 816 os.chdir(gitpath)
 817
 818 print 'Collecting data...'
 819 data = GitDataCollector()
 820 data.collect(gitpath)
 821
 822 os.chdir(rundir)
 823
 824 print 'Generating report...'
 825 report = HTMLReportCreator()
 826 report.create(data, outputpath)
 827
 828 time_end = time.time()
 829 exectime_internal = time_end - time_start
 830 print 'Execution time %.5f secs, %.5f secs (%.2f %%) in external commands)' % (exectime_internal, exectime_external, (100.0 * exectime_external) / exectime_internal)