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Added age value to the blame output (Fixes issue 10).

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This completes the "code stability" functionality.

While code stability is a percentage (zero and up) that reflects the
stability of the authors code, the age value is a pseudo-value describing
the average age of all the authors rows. The older the code, the higher
the value.

Code stability can sometimes be above 100%, depending on the way git
calculates insertions and blamed rows.
This commit is contained in:
Adam Waldenberg 2014-01-27 03:11:15 +01:00
parent 98e3f45d65
commit 16154cd0ba
2 changed files with 31 additions and 5 deletions
gitinspector
blame.pychanges.py

29
gitinspector/blame.py
View file

@ -24,6 +24,7 @@ from outputable import Outputable
from changes import FileDiff
import comment
import changes
import datetime
import filtering
import format
import gravatar
@ -40,6 +41,7 @@ NUM_THREADS = multiprocessing.cpu_count()
class BlameEntry:
rows = 0
skew = 0 # Used when calculating average code age (time-adjusted stability value).
comments = 0
__thread_lock__ = threading.BoundedSemaphore(NUM_THREADS)
@ -71,6 +73,7 @@ class BlameThread(threading.Thread):
email = Blame.get_author_email(j)
author = self.changes.get_latest_author_by_email(email)
__blame_lock__.acquire() # Global lock used to protect calls from here...
if not filtering.set_filtered(author, "author") and not filtering.set_filtered(email, "email"):
@ -80,6 +83,13 @@ class BlameThread(threading.Thread):
self.blames[(author, self.filename)].comments += comments
self.blames[(author, self.filename)].rows += 1
time = Blame.get_time(j)
time = datetime.date(int(time[0:4]), int(time[5:7]), int(time[8:10]))
if (time - self.changes.first_commit_date).days > 0:
self.blames[(author, self.filename)].skew += (float((self.changes.last_commit_date - time).days) /
(time - self.changes.first_commit_date).days)
__blame_lock__.release() # ...to here.
git_blame_r.close()
@ -138,6 +148,11 @@ class Blame:
content = re.search(" \d+\)(.*)", string)
return content.group(1).lstrip()
@staticmethod
def get_time(string):
time = re.search(" \(.*?(\d\d\d\d-\d\d-\d\d)", string)
return time.group(1).strip()
def get_summed_blames(self):
summed_blames = {}
for i in self.blames.items():
@ -145,6 +160,7 @@ class Blame:
summed_blames[i[0][0]] = BlameEntry()
summed_blames[i[0][0]].rows += i[1].rows
summed_blames[i[0][0]].skew += i[1].skew
summed_blames[i[0][0]].comments += i[1].comments
return summed_blames
@ -174,8 +190,8 @@ class BlameOutput(Outputable):
def output_html(self):
blame_xml = "<div><div class=\"box\">"
blame_xml += "<p>" + _(BLAME_INFO_TEXT) + ".</p><div><table id=\"blame\" class=\"git\">"
blame_xml += "<thead><tr> <th>{0}</th> <th>{1}</th> <th>{2}</th> <th>{3}</th> </tr></thead>".format(_("Author"),
_("Rows"), _("Stability"), _("% in comments"))
blame_xml += "<thead><tr> <th>{0}</th> <th>{1}</th> <th>{2}</th> <th>{3}</th> <th>{4}</th> </tr></thead>".format(
_("Author"), _("Rows"), _("Stability"), _("Age"), _("% in comments"))
blame_xml += "<tbody>"
chart_data = ""
blames = sorted(__blame__.get_summed_blames().items())
@ -197,6 +213,7 @@ class BlameOutput(Outputable):
blame_xml += "<td>" + str(entry[1].rows) + "</td>"
blame_xml += "<td>" + ("{0:.1f}".format(100.0 * entry[1].rows /
self.changes.get_authorinfo_list()[entry[0]].insertions) + "</td>")
blame_xml += "<td>" + "{0:.2f}".format(float(entry[1].skew) / entry[1].rows) + "</td>"
blame_xml += "<td>" + "{0:.2f}".format(100.0 * entry[1].comments / entry[1].rows) + "</td>"
blame_xml += "<td style=\"display: none\">" + work_percentage + "</td>"
blame_xml += "</tr>"
@ -205,7 +222,7 @@ class BlameOutput(Outputable):
if blames[-1] != entry:
chart_data += ", "
blame_xml += "<tfoot><tr> <td colspan=\"4\">&nbsp;</td> </tr></tfoot></tbody></table>"
blame_xml += "<tfoot><tr> <td colspan=\"5\">&nbsp;</td> </tr></tfoot></tbody></table>"
blame_xml += "<div class=\"chart\" id=\"blame_chart\"></div></div>"
blame_xml += "<script type=\"text/javascript\">"
blame_xml += " $.plot($(\"#blame_chart\"), [{0}], {{".format(chart_data)
@ -231,12 +248,13 @@ class BlameOutput(Outputable):
terminal.clear_row()
print(textwrap.fill(_(BLAME_INFO_TEXT) + ":", width=terminal.get_size()[0]) + "\n")
terminal.printb(_("Author").ljust(21) + _("Rows").rjust(10) + _("Stability").rjust(15) + _("% in comments").rjust(20))
terminal.printb(_("Author").ljust(21) + _("Rows").rjust(10) + _("Stability").rjust(15) + _("Age").rjust(13) + _("% in comments").rjust(20))
for i in sorted(__blame__.get_summed_blames().items()):
print(i[0].ljust(20)[0:20], end=" ")
print(str(i[1].rows).rjust(10), end=" ")
print("{0:.1f}".format(100.0 * i[1].rows / self.changes.get_authorinfo_list()[i[0]].insertions).rjust(14), end=" ")
print("{0:.2f}".format(float(i[1].skew) / i[1].rows).rjust(12), end=" ")
print("{0:.2f}".format(100.0 * i[1].comments / i[1].rows).rjust(19))
def output_xml(self):
@ -251,9 +269,10 @@ class BlameOutput(Outputable):
rows_xml = "\t\t\t\t<rows>" + str(i[1].rows) + "</rows>\n"
stability_xml = ("\t\t\t\t<stability>" + "{0:.1f}".format(100.0 * i[1].rows /
self.changes.get_authorinfo_list()[i[0]].insertions) + "</stability>\n")
age_xml = ("\t\t\t\t<age>" + "{0:.2f}".format(float(i[1].skew) / i[1].rows) + "</age>\n")
percentage_in_comments_xml = ("\t\t\t\t<percentage-in-comments>" + "{0:.2f}".format(100.0 * i[1].comments / i[1].rows) +
"</percentage-in-comments>\n")
blame_xml += ("\t\t\t<author>\n" + name_xml + gravatar_xml + rows_xml + stability_xml +
blame_xml += ("\t\t\t<author>\n" + name_xml + gravatar_xml + rows_xml + stability_xml + age_xml +
percentage_in_comments_xml + "\t\t\t</author>\n")
print("\t<blame>\n" + message_xml + "\t\t<authors>\n" + blame_xml + "\t\t</authors>\n\t</blame>")

7
gitinspector/changes.py
View file

@ -21,6 +21,7 @@ from __future__ import print_function
from __future__ import unicode_literals
from localization import N_
from outputable import Outputable
import datetime
import extensions
import filtering
import format
@ -142,6 +143,12 @@ class Changes:
if interval.has_interval() and len(self.commits) > 0:
interval.set_ref(self.commits[0].sha)
if len(self.commits) > 0:
self.first_commit_date = datetime.date(int(self.commits[-1].date[0:4]), int(self.commits[-1].date[5:7]),
int(self.commits[-1].date[8:10]))
self.last_commit_date = datetime.date(int(self.commits[0].date[0:4]), int(self.commits[0].date[5:7]),
int(self.commits[0].date[8:10]))
def get_commits(self):
return self.commits