98 lines
4.1 KiB
Python
98 lines
4.1 KiB
Python
#! /usr/bin/env python
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# -*- coding: utf-8 -*-
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import os
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import jinja2
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import sys
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from email.header import Header
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from email.message import Message
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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from email.Utils import formatdate
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from markdown import markdown
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sys.path.append('/usr/scripts/')
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from gestion.email_tools import format_sender
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sys.path.pop()
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default_language = 'fr'
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template_path = '/usr/scripts/gestion/mail/template/'
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html_template = template_path + 'html'
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html_mutilang_template = template_path + 'html_multilang'
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text_mutilang_template = template_path + 'text_multilang'
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templateLoader = jinja2.FileSystemLoader( searchpath=["/", template_path] )
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templateEnv = jinja2.Environment( loader=templateLoader )
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# file extension to rendering function map
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markup = {
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'md' : markdown,
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}
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### For an example:
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### print generate('bienvenue', {'From':'respbats@crans.org', 'To':'admin@genua.fr', 'lang_info':'English version below'}).as_string()
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def submessage(playload, type, charset='utf-8'):
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"""Renvois un sous message à mettre dans un message multipart"""
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submsg=MIMEText('', type, charset)
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del(submsg['Content-Transfer-Encoding'])
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submsg['Content-Transfer-Encoding']='8bit'
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submsg.set_payload(playload)
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return submsg
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def get_lang(mail, part, lang, lang_fallback):
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for l in [lang, lang_fallback]:
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for ext in markup.keys():
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if os.path.isfile(template_path + mail + '/' + part + '/' + l + '.' + ext):
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return l, ext, template_path + mail + '/' + part + '/' + l + '.' + ext
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if os.path.isfile(template_path + mail + '/' + part + '/' + l):
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return l, None, template_path + mail + '/' + part + '/' + l
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raise ValueError("Language %s nor %s found" % (lang, lang_fallback))
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def body(mail, lang1, lang2, mk, params, charset):
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file1 = template_path + mail + '/body/' + lang1
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file2 = template_path + mail + '/body/' + lang2
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if mk:
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file1 = file1 + '.' + mk
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file2 = file2 + '.' + mk
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if lang1 == lang2 or not os.path.isfile(file2): # No alt language
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txt = templateEnv.get_template(file1).render(params)
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ret = [ submessage(txt.encode(charset), 'plain', charset) ]
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if mk: # compute the html version
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html = templateEnv.get_template(html_template).render({'body': markup[mk](txt)})
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ret.append(submessage(html.encode(charset), 'html', charset))
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else:
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txt1 = templateEnv.get_template(file1).render(params)
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txt2 = templateEnv.get_template(file2).render(params)
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params_txt=dict(params)
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params_txt.update({'body1': txt1, 'body2':txt2})
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txt = templateEnv.get_template(text_mutilang_template).render(params_txt)
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ret=[ submessage(txt.encode(charset), 'plain', charset) ]
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if mk: # compute the html version
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params_html=dict(params)
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params_html.update({'lang1':lang1, 'lang2':lang2, 'body1': markup[mk](txt1), 'body2': markup[mk](txt2)})
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html = templateEnv.get_template(html_mutilang_template).render(params_html)
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ret.append(submessage(html.encode(charset), 'html', charset))
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return ret
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def generate(mail, params, lang=default_language, lang_fallback=default_language, lang_alt='en', charset='utf-8'):
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"""Génère un message multipart"""
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msg = MIMEMultipart('alternative')
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if os.path.isdir(template_path + mail):
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for filename in [dir for dir in os.listdir(template_path + mail) if os.path.isdir(template_path + mail + '/' + dir)]:
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lang_tmp, mk, file = get_lang(mail, filename, lang, lang_fallback)
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if filename == 'body':
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for part in body(mail, lang_tmp, lang_alt, mk, params, charset):
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msg.attach(part)
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else:
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txt = templateEnv.get_template(file).render(params)
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if filename in ['From', 'To', 'Cc', 'Bcc']:
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msg[filename] = format_sender(txt, charset)
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else:
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msg[filename]=Header(txt.encode(charset), charset)
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msg['Date']=formatdate(localtime=True)
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return msg
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