gitinspector/changes.py

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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/>.
import extensions
import os
import re
import system
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import terminal
class FileDiff:
def __init__(self, string):
commit_line = string.split("|")
if commit_line.__len__() == 2:
self.name = commit_line[0].strip()
self.insertions = commit_line[1].count("+")
self.deletions = commit_line[1].count("-")
@staticmethod
def is_filediff_line(string):
string = string.split("|")
return string.__len__() == 2 and string[1].find("Bin") == -1 and ('+' in string[1] or '-' in string[1])
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@staticmethod
def get_extension(string):
string = string.split("|")[0].strip().strip("{}")
return os.path.splitext(string)[1][1:]
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@staticmethod
def is_valid_extension(string):
extension = FileDiff.get_extension(string)
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for i in extensions.get():
if extension == i:
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return True
return False
class Commit:
def __init__(self, string):
self.filediffs = []
commit_line = string.split("|")
if commit_line.__len__() == 4:
self.date = commit_line[0]
self.sha = commit_line[1]
self.author = re.sub("[^\w ]", "", commit_line[2].strip())
self.message = commit_line[3].strip()
def add_filediff(self, filediff):
self.filediffs.append(filediff)
def get_filediffs(self):
return self.filediffs
@staticmethod
def is_commit_line(string):
return string.split("|").__len__() == 4
class AuthorInfo:
insertions = 0
deletions = 0
commits = 0
class Changes:
def __init__(self, repo, hard):
self.commits = []
git_log_r = system.run(repo, "git log --pretty='%ad|%t|%aN|%s' --stat=100000 --no-merges -w " +
"{0} --date=short".format("-C -C -M" if hard else ""))
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commit = None
found_valid_extension = False
lines = git_log_r.readlines()
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for i in lines:
if Commit.is_commit_line(i) or i == lines[-1]:
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if found_valid_extension:
self.commits.append(commit)
found_valid_extension = False
commit = Commit(i)
if FileDiff.is_filediff_line(i):
extensions.add_located(FileDiff.get_extension(i))
if FileDiff.is_valid_extension(i):
found_valid_extension = True
filediff = FileDiff(i)
commit.add_filediff(filediff)
def get_commits(self):
return self.commits
@staticmethod
def __modify_authorinfo__(authors, key, commit):
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if authors.get(key, None) == None:
authors[key] = AuthorInfo()
authors[key].commits += 1
for j in commit.get_filediffs():
authors[key].insertions += j.insertions
authors[key].deletions += j.deletions
def get_authorinfo_list(self):
authors = {}
for i in self.commits:
Changes.__modify_authorinfo__(authors, i.author, i)
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return authors
def get_authordateinfo_list(self):
authors = {}
for i in self.commits:
Changes.__modify_authorinfo__(authors, (i.date, i.author), i)
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return authors
__changes__ = None
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def get(repo, hard):
global __changes__
if __changes__ == None:
__changes__ = Changes(repo, hard)
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return __changes__
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def output(repo, hard):
get(repo, hard)
authorinfo_list = get(repo, hard).get_authorinfo_list()
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total_changes = 0.0
for i in authorinfo_list:
total_changes += authorinfo_list.get(i).insertions
total_changes += authorinfo_list.get(i).deletions
if authorinfo_list:
print "The following historical commit information, by author, was found in the"
print "repository:\n"
terminal.printb("Author".ljust(21) + "Commits " + "Insertions " + "Deletions " + "% of changes")
for i in sorted(authorinfo_list):
authorinfo = authorinfo_list.get(i)
percentage = 0 if total_changes == 0 else (authorinfo.insertions + authorinfo.deletions) / total_changes * 100
print i.ljust(20)[0:20],
print str(authorinfo.commits).rjust(7),
print str(authorinfo.insertions).rjust(12),
print str(authorinfo.deletions).rjust(11),
print "{0:.2f}".format(percentage).rjust(14)
else:
print "No commited files with the specified extensions were found."