diff.py

linux下的一款播放器

#!/usr/bin/env python
# 
# ***** BEGIN LICENSE BLOCK *****
# Source last modified: $Id: diff.py,v 1.12 2004/08/10 16:39:53 hubbe Exp $
# 
# Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
# 
# The contents of this file, and the files included with this file,
# are subject to the current version of the RealNetworks Public
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# the file under the current version of the RealNetworks Community
# Source License (the "RCSL") available at
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# use your version of this file under the terms of any one of the
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# This file is part of the Helix DNA Technology. RealNetworks is the
# developer of the Original Code and owns the copyrights in the
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# ***** END LICENSE BLOCK *****
# 
"""Not part of the build system, but a really useful script for diffing
the code base. """

import os
import sys
import string
import getopt

import bif
import dependlist
import branchlist
import copy
import cvs

import types
import chaingang
import distributions
import shell
import module

import err
import time
import posixpath
import re
import datelib

def htmlquote(str):
    str=string.strip(str)
    str=string.replace(str,"&","&")
    str=string.replace(str,"<","&lt;")
    str=string.replace(str,">","&gt;")
    str=string.replace(str,"\n","<br>")
    return str

def dec_rev(rev):
    tmp=string.split(rev,".")
    tmp[-1]=str(int(tmp[-1])-1)
    return string.join(tmp, ".")

class File:
    def __init__(self, localname, rev, root, cvsfile, viewcvs_url):
        self.localname=localname
        self.rev=rev
        self.root=root
        self.cvsfile=cvsfile
        self.viewcvs_url=viewcvs_url
    

    def text(self):
        return '    %s: %s' % (self.localname, self.rev)

    def html(self):
        if self.viewcvs_url:
            return '<a href="%s">%s</a>&nbsp;<a href="%s?annotate=%s">%s</a>&nbsp;(<a href="%s.diff?r1=%s&r2=%s">diff</a>)' % (
                self.viewcvs_url,
                htmlquote(self.localname),
                self.viewcvs_url,
                self.rev,
                self.rev,
                self.viewcvs_url,
                dec_rev(self.rev),
                self.rev,
                )
            
        return "%s&nbsp;%s" % (htmlquote(self.localname), self.rev)

class Checkin:

    def __init__(self, author, date, comment):
        self.begin_date=date
        self.end_date=date
        self.files=[]
        self.comment=comment
        self.author=author

    def add(self, file):
        self.files.append(file)

    def __repr__(self):
        ret=[]
        ret.append("===================Checkin======================");
        ret.append("%s - %s, %s" % (
            time.ctime(self.begin_date),
            time.ctime(self.end_date),
            self.author))
            
        for (localname, rev, root, cvsfile) in self.files:
            ret.append('  %s: %s (%s <> %s))' % (localname, rev, root, cvsfile))

        ret.append(self.comment)

        return string.join(ret,"\n")

    def text(self):
        ret=[]
        ret.append("Checkin by %s, %s" % (self.author,
                                          time.ctime(self.begin_date)))
            
        for f in self.files:
            ret.append(f.text())

        ret.append("")

        ret.append(self.comment)

        ret.append("---------------------------------------------------")
        return string.join(ret,"\n")


    def html(self, blue):
        if blue:
            td="<td valign=top bgcolor='#ccccee'"
        else:
            td="<td valign=top bgcolor='#ffffff'"
        
        ret=[]
        ret.append("<tr align=top>")
        t=string.replace(datelib.asctime(self.begin_date),
                         " ","&nbsp;")
        ret.append("%s>%s</td>" % (td,t))
        ret.append("%s>%s</td>" % (td, htmlquote(self.author)))
        ret.append("%s>%s</td>" % (td, htmlquote(self.comment)))

        files=[]
        for f in self.files:
            files.append(f.html())

        ret.append("%s>%s</td>" % (td, string.join(files,"<br>")))

        return string.join(ret,"")
        

class Diff:
    def process_module(self, imodule):

        if imodule.type in ["cvs", "distribution"]:
            revisions=0
                
            tmpdir="diff_tmp_"+str(distributions.my_get_thread_ident())
            shell.rm(tmpdir)

            try:

                if imodule.type == "cvs":
                    imodule.checkout(
                        date = self.source_date,
                        tag = self.source_tag,
                        as = tmpdir)
                else:
                    cvs.Checkout(self.source_tag or imodule.cvs_tag,
                                 "distribution",
                                 imodule.cvs_root,
                                 tmpdir,
                                 self.source_date or imodule.cvs_date)

                tag = "-b"
                try:
                    tag=string.strip(open(os.path.join(tmpdir,"CVS","Tag"),"r").read())

                    ## Fixme: what if the sticky tag is a date??
                    
                    if tag and tag[0] == "T":
                        tag = "-r"+tag[1:]
                    else:
                        tag = "-b"
                            
                except IOError:
                    pass

                cmd='cvs log%s -N %s >cvs-log-temp-file' %( self.date_range,
                                                            tag )
                print "Running: %s (in %s + %s)" % (cmd, os.getcwd(), tmpdir)
                status, output = shell.run(cmd, dir = tmpdir)

                print output

                output=open(os.path.join(tmpdir,"cvs-log-temp-file"),"r").read()

                output=string.replace(output,"\r\n","\n")

                root="UNKNOWN"
                try:
                    root=open(os.path.join(tmpdir,"CVS","Root"),"r").read()
                    root=string.strip(root)
                except IOError:
                    pass

                base_repository="UNKNOWN"
                try:
                    base_repository=open(os.path.join(tmpdir,"CVS","Repository"),"r").read()
                    base_repository=string.strip(base_repository)
                except IOError:
                    pass

                
                viewcvs_base = cvs.GetViewCVSUrl(imodule.cvs_root,
                                                 imodule.cvs_path or
                                                 imodule.name)

                blocks=string.split(output,
                                    "=============================================================================")
                for file in blocks[:-2]:
                    data=string.split(file,"----------------------------\nrevision ")
                    wf=string.split(data[0],"Working file: ",1)[1]
                    wf=string.split(wf,"\n",1)[0]
                    local_name=os.path.join(imodule.name, wf)
                    print " - %s, %d revisions" % (wf, len(data)-1)

                    viewcvs_url=None
                    if viewcvs_base:
                        viewcvs_url=posixpath.join(viewcvs_base,wf)

                    cvs_file=os.path.join(base_repository, wf)
                    for revision in data[1:]:
                        revdata=string.split(revision,";",3)
                        author=string.split(revdata[1])[1]

                        ## Ignore build farm checkins
                        if author in [ "mserver", "drmbuild", "buildq", "codecbuild" ]:
                            continue

                        tmp=string.split(revdata[0])
                        rev=tmp[0]

                        t="%s %s" % (tmp[2],tmp[3])
                        t=time.strptime(t,"%Y/%m/%d %H:%M:%S")