gitinspector/timeline.py

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Python
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2012-05-04 11:40:30 +02:00
# coding: utf-8
#
# Copyright © 2012 Ejwa Software. All rights reserved.
#
# This file is part of gitinspector.
#
# gitinspector is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# gitinspector is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with gitinspector. If not, see <http://www.gnu.org/licenses/>.
from __future__ import print_function
from outputable import Outputable
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import datetime
import terminal
import textwrap
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class TimelineData:
def __init__(self, changes, useweeks):
authordateinfo_list = sorted(changes.get_authordateinfo_list().items())
self.entries = {}
self.total_changes_by_period = {}
self.useweeks = useweeks
for i in authordateinfo_list:
key = None
if useweeks:
yearweek = datetime.date(int(i[0][0][0:4]), int(i[0][0][5:7]), int(i[0][0][8:10])).isocalendar()
key = (i[0][1], str(yearweek[0]) + "W" + str(yearweek[1]))
else:
key = (i[0][1], i[0][0][0:7])
if self.entries.get(key, None) == None:
self.entries[key] = i[1]
else:
self.entries[key].insertions += i[1].insertions
self.entries[key].deletions += i[1].deletions
for period in self.get_periods():
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total_insertions = 0
total_deletions = 0
for author in self.get_authors():
entry = self.entries.get((author, period), None)
if entry != None:
total_insertions += entry.insertions
total_deletions += entry.deletions
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self.total_changes_by_period[period] = (total_insertions, total_deletions,
total_insertions + total_deletions)
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def get_periods(self):
return sorted(set([i[1] for i in self.entries]))
def get_authors(self):
return sorted(set([i[0] for i in self.entries]))
def get_author_signs_in_period(self, author, period, multiplier):
authorinfo = self.entries.get((author, period), None)
total = float(self.total_changes_by_period[period][2])
if authorinfo:
i = multiplier * (self.entries[(author, period)].insertions / total)
j = multiplier * (self.entries[(author, period)].deletions / total)
return (int(i), int(j))
else:
return (0, 0)
def get_multiplier(self, period, max_width):
multiplier = 0
while True:
for i in self.entries:
entry = self.entries.get(i)
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if period == i[1]:
changes_in_period = float(self.total_changes_by_period[i[1]][2])
if multiplier * (entry.insertions + entry.deletions) / changes_in_period > max_width:
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return multiplier
multiplier += 0.25
def is_author_in_period(self, period, author):
return self.entries.get((author, period), None) != None
__timeline_info_text__ = "The following history timeline has been gathered from the repository"
def __output_row__text__(timeline_data, periods, names):
print("\n" + terminal.__bold__ + "Author".ljust(20), end=" ")
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for period in periods:
print(period.rjust(10), end=" ")
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print(terminal.__normal__)
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for name in names:
print(name.ljust(20)[0:20], end=" ")
for period in periods:
multiplier = timeline_data.get_multiplier(period, 9)
signs = timeline_data.get_author_signs_in_period(name, period, multiplier)
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signs_str = (signs[1] * "-" + signs[0] * "+")
print (("." if timeline_data.is_author_in_period(period, name) and
len(signs_str) == 0 else signs_str).rjust(10), end=" ")
print("")
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class Timeline(Outputable):
def __init__(self, changes, useweeks):
self.changes = changes
self.useweeks = useweeks
Outputable.__init__(self)
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def output_text(self):
if self.changes.get_commits():
print("\n" + textwrap.fill(__timeline_info_text__ + ":", width=terminal.get_size()[0]))
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timeline_data = TimelineData(self.changes, self.useweeks)
periods = timeline_data.get_periods()
names = timeline_data.get_authors()
(width, _) = terminal.get_size()
max_periods_per_row = int((width - 21) / 11)
for i in range(0, len(periods), max_periods_per_row):
__output_row__text__(timeline_data, periods[i:i+max_periods_per_row], names)
def output_xml(self):
if self.changes.get_commits():
message_xml = "\t\t<message>" + __timeline_info_text__ + "</message>\n"
timeline_xml = ""
periods_xml = "\t\t<periods length=\"{0}\">\n".format("week" if self.useweeks else "month")
timeline_data = TimelineData(self.changes, self.useweeks)
periods = timeline_data.get_periods()
names = timeline_data.get_authors()
for period in periods:
name_xml = "\t\t\t\t<name>" + str(period) + "</name>\n"
authors_xml = ""
for name in names:
authors_xml += "\t\t\t\t<authors>\n"
multiplier = timeline_data.get_multiplier(period, 24)
signs = timeline_data.get_author_signs_in_period(name, period, multiplier)
signs_str = (signs[1] * "-" + signs[0] * "+")
if not len(signs_str) == 0:
authors_xml += "\t\t\t\t\t<author>\n\t\t\t\t\t\t<name>" + name + "</name>\n"
authors_xml += "\t\t\t\t\t\t<work>" + signs_str + "</work>\n\t\t\t\t\t</author>\n"
authors_xml += "\t\t\t\t</authors>\n"
timeline_xml += "\t\t\t<period>\n" + name_xml + authors_xml + "\t\t\t</period>\n"
print("\t<timeline>\n" + message_xml + periods_xml + timeline_xml + "\t\t</periods>\n\t</timeline>")