svnwc.py 文件源码

def log(self, rev_start=None, rev_end=1, verbose=False):
        """ return a list of LogEntry instances for this path.
rev_start is the starting revision (defaulting to the first one).
rev_end is the last revision (defaulting to HEAD).
if verbose is True, then the LogEntry instances also know which files changed.
"""
        assert self.check()   # make it simpler for the pipe
        rev_start = rev_start is None and "HEAD" or rev_start
        rev_end = rev_end is None and "HEAD" or rev_end
        if rev_start == "HEAD" and rev_end == 1:
                rev_opt = ""
        else:
            rev_opt = "-r %s:%s" % (rev_start, rev_end)
        verbose_opt = verbose and "-v" or ""
        locale_env = fixlocale()
        # some blather on stderr
        auth_opt = self._makeauthoptions()
        #stdin, stdout, stderr  = os.popen3(locale_env +
        #                                   'svn log --xml %s %s %s "%s"' % (
        #                                    rev_opt, verbose_opt, auth_opt,
        #                                    self.strpath))
        cmd = locale_env + 'svn log --xml %s %s %s "%s"' % (
            rev_opt, verbose_opt, auth_opt, self.strpath)

        popen = subprocess.Popen(cmd,
                    stdout=subprocess.PIPE,
                    stderr=subprocess.PIPE,
                    shell=True,
        )
        stdout, stderr = popen.communicate()
        stdout = py.builtin._totext(stdout, sys.getdefaultencoding())
        minidom,ExpatError = importxml()
        try:
            tree = minidom.parseString(stdout)
        except ExpatError:
            raise ValueError('no such revision')
        result = []
        for logentry in filter(None, tree.firstChild.childNodes):
            if logentry.nodeType == logentry.ELEMENT_NODE:
                result.append(LogEntry(logentry))
        return result