diff options
Diffstat (limited to 'xml/be-xml-to-mbox')
| -rwxr-xr-x | xml/be-xml-to-mbox | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/xml/be-xml-to-mbox b/xml/be-xml-to-mbox new file mode 100755 index 0000000..7d07bac --- /dev/null +++ b/xml/be-xml-to-mbox @@ -0,0 +1,185 @@ +#!/usr/bin/env python +# Copyright (C) 2009 William Trevor King <wking@drexel.edu> +# +# This program 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 2 of the License, or +# (at your option) any later version. +# +# This program 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 this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +""" +Convert xml output of `be list --xml` into mbox format for browsing +with a mail reader. For example + $ be list --xml --status=all | be-xml-to-mbox | catmutt + +mbox is a flat-file format, consisting of a series of messages. +Messages begin with a a From_ line, followed by RFC 822 email, +followed by a blank line. +""" + +#from mailbox import mbox, Message # the mailbox people really want an on-disk copy +import email.utils +import types + +from libbe.encoding import get_encoding, set_IO_stream_encodings +from libbe.utility import str_to_time as rfc2822_to_gmtime_integer +from time import asctime, gmtime +from xml.sax import make_parser +from xml.sax.handler import ContentHandler +from xml.sax.saxutils import unescape + + +DEFAULT_DOMAIN = "invalid.com" +DEFAULT_EMAIL = "dummy@" + DEFAULT_DOMAIN +DEFAULT_ENCODING = get_encoding() +set_IO_stream_encodings(DEFAULT_ENCODING) + +def rfc2822_to_asctime(rfc2822_string): + """Convert an RFC 2822-fomatted string into a asctime string. + >>> rfc2822_to_asctime("Thu, 01 Jan 1970 00:00:00 +0000") + "Thu Jan 01 00:00:00 1970" + """ + if rfc2822_string == "": + return asctime(gmtime(0)) + return asctime(gmtime(rfc2822_to_gmtime_integer(rfc2822_string))) + +class LimitedAttrDict (dict): + """ + Dict with error checking, to avoid invalid bug/comment fields. + """ + _attrs = [] # override with list of valid attribute names + def __init__(self, **kwargs): + dict.__init__(self) + for key,value in kwargs.items(): + self[key] = value + def __setitem__(self, key, item): + self._validate_key(key) + dict.__setitem__(self, key, item) + def _validate_key(self, key): + if key in self._attrs: + return + elif type(key) not in types.StringTypes: + raise TypeError, "Invalid attribute type %s for '%s'" % (type(key), key) + else: + raise ValueError, "Invalid attribute name '%s'" % key + +class Bug (LimitedAttrDict): + _attrs = [u"uuid", + u"short-name", + u"severity", + u"status", + u"assigned", + u"target", + u"reporter", + u"creator", + u"created", + u"summary", + u"comments"] + def print_to_mbox(self): + name,addr = email.utils.parseaddr(self["creator"]) + print "From %s %s" % (addr, rfc2822_to_asctime(self["created"])) + print "Message-ID: <%s@%s>" % (self["uuid"], DEFAULT_DOMAIN) + print "Date: %s" % self["created"] + print "From: %s" % self["creator"] + print "Content-Type: %s; charset=%s" % ("text/plain", DEFAULT_ENCODING) + print "Content-Transfer-Encoding: 8bit" + print "Subject: %s: %s" % (self["short-name"], self["summary"]) + print "" + print self["summary"] + print "" + for comment in self["comments"]: + comment.print_to_mbox(self) + +class Comment (LimitedAttrDict): + _attrs = [u"uuid", + u"short-name", + u"in-reply-to", + u"from", + u"date", + u"content-type", + u"body"] + def print_to_mbox(self, bug): + name,addr = email.utils.parseaddr(self["from"]) + print "From %s %s" % (addr, rfc2822_to_asctime(self["date"])) + print "Message-ID: <%s@%s>" % (self["uuid"], DEFAULT_DOMAIN) + print "Date: %s" % self["date"] + print "From: %s" % self["from"] + print "Content-Type: %s; charset=%s" % (self["content-type"], DEFAULT_ENCODING) + print "Content-Transfer-Encoding: 8bit" + print "Subject: %s: %s" % (self["short-name"], bug["summary"]) + if "in-reply-to" not in self.keys(): + self["in-reply-to"] = bug["uuid"] + print "In-Reply-To: <%s@%s>" % (self["in-reply-to"], DEFAULT_DOMAIN) + print "" + print self["body"] + print "" + +class BE_list_handler (ContentHandler): + def __init__(self): + self.reset() + + def reset(self): + self.bug = None + self.comment = None + self.text_field = None + + def startElement(self, name, attributes): + if name == "bug": + assert self.bug == None, "Nested bugs?!" + assert self.comment == None + assert self.text_field == None + self.bug = Bug(comments=[]) + elif name == "comment": + assert self.bug != None, "<comment> not in <bug>?" + assert self.text_field == None, "<comment> in text field %s?" % self.text_field + self.comment = Comment() + elif self.bug != None and self.comment == None: + # parse bug text field + if name != "comment": + self.text_field = name + self.text_data = "" + elif self.bug != None and self.comment != None: + # parse comment text field + self.text_field = name + self.text_data = "" + + def endElement(self, name): + if name == "bug": + assert self.bug != None, "Invalid XML?" + self.bug.print_to_mbox() + self.bug = None + elif name == "comment": + assert self.bug != None, "<comment> not in <bug>?" + assert self.text_field == None, "<comment> in text field %s?" % self.text_field + assert self.comment != None, "Invalid XML?" + self.bug["comments"].append(self.comment) + # comments printed by bug.print_to_mbox() + self.comment = None + elif self.bug != None and self.comment == None: + # parse bug text field + self.bug[self.text_field] = unescape(self.text_data.strip()) + self.text_field = None + self.text_data = None + elif self.bug != None and self.comment != None: + # parse comment text field + self.comment[self.text_field] = unescape(self.text_data.strip()) + self.text_field = None + self.text_data = None + + def characters(self, data): + if self.text_field != None: + self.text_data += data + +if __name__ == "__main__": + import sys + + parser = make_parser() + parser.setContentHandler(BE_list_handler()) + parser.parse(sys.stdin) |