6a23461b42
* [fix] send email with no letterhead if print letterhead is unchecked on print priview * [fix] if not on print preview page, pull with_letterhead from print settings * remove redundant if condition * minor
563 lines
20 KiB
Python
Executable file
563 lines
20 KiB
Python
Executable file
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# MIT License. See license.txt
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from __future__ import unicode_literals
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from six.moves import range
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import frappe
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from six.moves import html_parser as HTMLParser
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import smtplib, quopri, json
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from frappe import msgprint, throw, _
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from frappe.email.smtp import SMTPServer, get_outgoing_email_account
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from frappe.email.email_body import get_email, get_formatted_html, add_attachment
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from frappe.utils.verified_command import get_signed_params, verify_request
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from html2text import html2text
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from frappe.utils import get_url, nowdate, encode, now_datetime, add_days, split_emails, cstr, cint
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from frappe.utils.file_manager import get_file
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from rq.timeouts import JobTimeoutException
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from frappe.utils.scheduler import log
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from six import text_type, string_types
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class EmailLimitCrossedError(frappe.ValidationError): pass
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def send(recipients=None, sender=None, subject=None, message=None, text_content=None, reference_doctype=None,
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reference_name=None, unsubscribe_method=None, unsubscribe_params=None, unsubscribe_message=None,
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attachments=None, reply_to=None, cc=[], bcc=[], message_id=None, in_reply_to=None, send_after=None,
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expose_recipients=None, send_priority=1, communication=None, now=False, read_receipt=None,
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queue_separately=False, is_notification=False, add_unsubscribe_link=1, inline_images=None,
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header=None, print_letterhead=False):
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"""Add email to sending queue (Email Queue)
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:param recipients: List of recipients.
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:param sender: Email sender.
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:param subject: Email subject.
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:param message: Email message.
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:param text_content: Text version of email message.
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:param reference_doctype: Reference DocType of caller document.
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:param reference_name: Reference name of caller document.
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:param send_priority: Priority for Email Queue, default 1.
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:param unsubscribe_method: URL method for unsubscribe. Default is `/api/method/frappe.email.queue.unsubscribe`.
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:param unsubscribe_params: additional params for unsubscribed links. default are name, doctype, email
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:param attachments: Attachments to be sent.
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:param reply_to: Reply to be captured here (default inbox)
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:param in_reply_to: Used to send the Message-Id of a received email back as In-Reply-To.
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:param send_after: Send this email after the given datetime. If value is in integer, then `send_after` will be the automatically set to no of days from current date.
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:param communication: Communication link to be set in Email Queue record
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:param now: Send immediately (don't send in the background)
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:param queue_separately: Queue each email separately
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:param is_notification: Marks email as notification so will not trigger notifications from system
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:param add_unsubscribe_link: Send unsubscribe link in the footer of the Email, default 1.
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:param inline_images: List of inline images as {"filename", "filecontent"}. All src properties will be replaced with random Content-Id
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:param header: Append header in email (boolean)
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"""
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if not unsubscribe_method:
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unsubscribe_method = "/api/method/frappe.email.queue.unsubscribe"
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if not recipients and not cc:
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return
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if isinstance(recipients, string_types):
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recipients = split_emails(recipients)
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if isinstance(cc, string_types):
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cc = split_emails(cc)
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if isinstance(bcc, string_types):
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bcc = split_emails(bcc)
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if isinstance(send_after, int):
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send_after = add_days(nowdate(), send_after)
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email_account = get_outgoing_email_account(True, append_to=reference_doctype, sender=sender)
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if not sender or sender == "Administrator":
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sender = email_account.default_sender
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check_email_limit(recipients)
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if not text_content:
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try:
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text_content = html2text(message)
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except HTMLParser.HTMLParseError:
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text_content = "See html attachment"
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if reference_doctype and reference_name:
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unsubscribed = [d.email for d in frappe.db.get_all("Email Unsubscribe", "email",
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{"reference_doctype": reference_doctype, "reference_name": reference_name})]
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unsubscribed += [d.email for d in frappe.db.get_all("Email Unsubscribe", "email",
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{"global_unsubscribe": 1})]
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else:
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unsubscribed = []
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recipients = [r for r in list(set(recipients)) if r and r not in unsubscribed]
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email_text_context = text_content
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should_append_unsubscribe = (add_unsubscribe_link
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and reference_doctype
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and (unsubscribe_message or reference_doctype=="Newsletter")
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and add_unsubscribe_link==1)
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unsubscribe_link = None
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if should_append_unsubscribe:
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unsubscribe_link = get_unsubscribe_message(unsubscribe_message, expose_recipients)
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email_text_context += unsubscribe_link.text
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email_content = get_formatted_html(subject, message,
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email_account=email_account, header=header,
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unsubscribe_link=unsubscribe_link)
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# add to queue
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add(recipients, sender, subject,
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formatted=email_content,
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text_content=email_text_context,
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reference_doctype=reference_doctype,
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reference_name=reference_name,
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attachments=attachments,
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reply_to=reply_to,
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cc=cc,
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bcc=bcc,
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message_id=message_id,
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in_reply_to=in_reply_to,
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send_after=send_after,
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send_priority=send_priority,
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email_account=email_account,
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communication=communication,
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add_unsubscribe_link=add_unsubscribe_link,
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unsubscribe_method=unsubscribe_method,
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unsubscribe_params=unsubscribe_params,
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expose_recipients=expose_recipients,
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read_receipt=read_receipt,
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queue_separately=queue_separately,
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is_notification = is_notification,
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inline_images = inline_images,
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header=header,
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now=now,
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print_letterhead=print_letterhead)
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def add(recipients, sender, subject, **kwargs):
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"""Add to Email Queue"""
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if kwargs.get('queue_separately') or len(recipients) > 20:
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email_queue = None
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for r in recipients:
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if not email_queue:
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email_queue = get_email_queue([r], sender, subject, **kwargs)
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if kwargs.get('now'):
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email_queue(email_queue.name, now=True)
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else:
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duplicate = email_queue.get_duplicate([r])
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duplicate.insert(ignore_permissions=True)
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if kwargs.get('now'):
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send_one(duplicate.name, now=True)
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frappe.db.commit()
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else:
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email_queue = get_email_queue(recipients, sender, subject, **kwargs)
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if kwargs.get('now'):
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send_one(email_queue.name, now=True)
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def get_email_queue(recipients, sender, subject, **kwargs):
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'''Make Email Queue object'''
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e = frappe.new_doc('Email Queue')
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e.priority = kwargs.get('send_priority')
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attachments = kwargs.get('attachments')
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if attachments:
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# store attachments with fid or print format details, to be attached on-demand later
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_attachments = []
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for att in attachments:
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if att.get('fid'):
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_attachments.append(att)
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elif att.get("print_format_attachment") == 1:
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att['lang'] = frappe.local.lang
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att['print_letterhead'] = kwargs.get('print_letterhead')
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_attachments.append(att)
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e.attachments = json.dumps(_attachments)
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try:
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mail = get_email(recipients,
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sender=sender,
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subject=subject,
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formatted=kwargs.get('formatted'),
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text_content=kwargs.get('text_content'),
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attachments=kwargs.get('attachments'),
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reply_to=kwargs.get('reply_to'),
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cc=kwargs.get('cc'),
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bcc=kwargs.get('bcc'),
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email_account=kwargs.get('email_account'),
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expose_recipients=kwargs.get('expose_recipients'),
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inline_images=kwargs.get('inline_images'),
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header=kwargs.get('header'))
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mail.set_message_id(kwargs.get('message_id'),kwargs.get('is_notification'))
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if kwargs.get('read_receipt'):
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mail.msg_root["Disposition-Notification-To"] = sender
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if kwargs.get('in_reply_to'):
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mail.set_in_reply_to(kwargs.get('in_reply_to'))
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e.message_id = mail.msg_root["Message-Id"].strip(" <>")
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e.message = cstr(mail.as_string())
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e.sender = mail.sender
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except frappe.InvalidEmailAddressError:
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# bad Email Address - don't add to queue
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frappe.log_error('Invalid Email ID Sender: {0}, Recipients: {1}'.format(mail.sender,
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', '.join(mail.recipients)), 'Email Not Sent')
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e.set_recipients(recipients + kwargs.get('cc', []) + kwargs.get('bcc', []))
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e.reference_doctype = kwargs.get('reference_doctype')
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e.reference_name = kwargs.get('reference_name')
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e.add_unsubscribe_link = kwargs.get("add_unsubscribe_link")
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e.unsubscribe_method = kwargs.get('unsubscribe_method')
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e.unsubscribe_params = kwargs.get('unsubscribe_params')
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e.expose_recipients = kwargs.get('expose_recipients')
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e.communication = kwargs.get('communication')
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e.send_after = kwargs.get('send_after')
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e.show_as_cc = ",".join(kwargs.get('cc', []))
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e.show_as_bcc = ",".join(kwargs.get('bcc', []))
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e.insert(ignore_permissions=True)
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return e
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def check_email_limit(recipients):
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# if using settings from site_config.json, check email limit
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# No limit for own email settings
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smtp_server = SMTPServer()
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if (smtp_server.email_account
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and getattr(smtp_server.email_account, "from_site_config", False)
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or frappe.flags.in_test):
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monthly_email_limit = frappe.conf.get('limits', {}).get('emails')
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daily_email_limit = cint(frappe.conf.get('limits', {}).get('daily_emails'))
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if frappe.flags.in_test:
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monthly_email_limit = 500
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daily_email_limit = 50
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if daily_email_limit:
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# get count of sent mails in last 24 hours
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today = get_emails_sent_today()
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if (today + len(recipients)) > daily_email_limit:
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throw(_("Cannot send this email. You have crossed the sending limit of {0} emails for this day.").format(daily_email_limit),
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EmailLimitCrossedError)
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if not monthly_email_limit:
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return
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# get count of mails sent this month
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this_month = get_emails_sent_this_month()
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if (this_month + len(recipients)) > monthly_email_limit:
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throw(_("Cannot send this email. You have crossed the sending limit of {0} emails for this month.").format(monthly_email_limit),
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EmailLimitCrossedError)
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def get_emails_sent_this_month():
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return frappe.db.sql("""select count(name) from `tabEmail Queue` where
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status='Sent' and MONTH(creation)=MONTH(CURDATE())""")[0][0]
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def get_emails_sent_today():
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return frappe.db.sql("""select count(name) from `tabEmail Queue` where
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status='Sent' and creation>DATE_SUB(NOW(), INTERVAL 24 HOUR)""")[0][0]
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def get_unsubscribe_message(unsubscribe_message, expose_recipients):
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if unsubscribe_message:
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unsubscribe_html = '''<a href="<!--unsubscribe url-->"
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target="_blank">{0}</a>'''.format(unsubscribe_message)
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else:
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unsubscribe_link = '''<a href="<!--unsubscribe url-->"
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target="_blank">{0}</a>'''.format(_('Unsubscribe'))
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unsubscribe_html = _("{0} to stop receiving emails of this type").format(unsubscribe_link)
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html = """<div class="email-unsubscribe">
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<!--cc message-->
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<div>
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{0}
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</div>
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</div>""".format(unsubscribe_html)
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if expose_recipients == "footer":
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text = "\n<!--cc message-->"
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else:
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text = ""
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text += "\n\n{unsubscribe_message}: <!--unsubscribe url-->\n".format(unsubscribe_message=unsubscribe_message)
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return frappe._dict({
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"html": html,
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"text": text
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})
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def get_unsubcribed_url(reference_doctype, reference_name, email, unsubscribe_method, unsubscribe_params):
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params = {"email": email.encode("utf-8"),
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"doctype": reference_doctype.encode("utf-8"),
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"name": reference_name.encode("utf-8")}
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if unsubscribe_params:
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params.update(unsubscribe_params)
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query_string = get_signed_params(params)
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# for test
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frappe.local.flags.signed_query_string = query_string
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return get_url(unsubscribe_method + "?" + get_signed_params(params))
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@frappe.whitelist(allow_guest=True)
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def unsubscribe(doctype, name, email):
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# unsubsribe from comments and communications
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if not verify_request():
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return
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try:
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frappe.get_doc({
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"doctype": "Email Unsubscribe",
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"email": email,
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"reference_doctype": doctype,
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"reference_name": name
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}).insert(ignore_permissions=True)
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except frappe.DuplicateEntryError:
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frappe.db.rollback()
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else:
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frappe.db.commit()
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return_unsubscribed_page(email, doctype, name)
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def return_unsubscribed_page(email, doctype, name):
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frappe.respond_as_web_page(_("Unsubscribed"),
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_("{0} has left the conversation in {1} {2}").format(email, _(doctype), name),
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indicator_color='green')
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def flush(from_test=False):
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"""flush email queue, every time: called from scheduler"""
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# additional check
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cache = frappe.cache()
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check_email_limit([])
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auto_commit = not from_test
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if frappe.are_emails_muted():
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msgprint(_("Emails are muted"))
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from_test = True
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smtpserver = SMTPServer()
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make_cache_queue()
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for i in range(cache.llen('cache_email_queue')):
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email = cache.lpop('cache_email_queue')
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if cint(frappe.defaults.get_defaults().get("hold_queue"))==1:
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break
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if email:
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send_one(email, smtpserver, auto_commit, from_test=from_test)
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# NOTE: removing commit here because we pass auto_commit
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# finally:
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# frappe.db.commit()
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def make_cache_queue():
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'''cache values in queue before sendign'''
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cache = frappe.cache()
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emails = frappe.db.sql('''select
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name
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from
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`tabEmail Queue`
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where
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(status='Not Sent' or status='Partially Sent') and
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(send_after is null or send_after < %(now)s)
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order
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by priority desc, creation asc
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limit 500''', { 'now': now_datetime() })
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# reset value
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cache.delete_value('cache_email_queue')
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for e in emails:
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cache.rpush('cache_email_queue', e[0])
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def send_one(email, smtpserver=None, auto_commit=True, now=False, from_test=False):
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'''Send Email Queue with given smtpserver'''
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email = frappe.db.sql('''select
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name, status, communication, message, sender, reference_doctype,
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reference_name, unsubscribe_param, unsubscribe_method, expose_recipients,
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show_as_cc, add_unsubscribe_link, attachments
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from
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`tabEmail Queue`
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where
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name=%s
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for update''', email, as_dict=True)[0]
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recipients_list = frappe.db.sql('''select name, recipient, status from
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`tabEmail Queue Recipient` where parent=%s''',email.name,as_dict=1)
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if frappe.are_emails_muted():
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frappe.msgprint(_("Emails are muted"))
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return
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if cint(frappe.defaults.get_defaults().get("hold_queue"))==1 :
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return
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if email.status not in ('Not Sent','Partially Sent') :
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# rollback to release lock and return
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frappe.db.rollback()
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return
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frappe.db.sql("""update `tabEmail Queue` set status='Sending', modified=%s where name=%s""",
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(now_datetime(), email.name), auto_commit=auto_commit)
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if email.communication:
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frappe.get_doc('Communication', email.communication).set_delivery_status(commit=auto_commit)
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try:
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if not frappe.flags.in_test:
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if not smtpserver: smtpserver = SMTPServer()
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smtpserver.setup_email_account(email.reference_doctype, sender=email.sender)
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for recipient in recipients_list:
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if recipient.status != "Not Sent":
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continue
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message = prepare_message(email, recipient.recipient, recipients_list)
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if not frappe.flags.in_test:
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smtpserver.sess.sendmail(email.sender, recipient.recipient, encode(message))
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recipient.status = "Sent"
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frappe.db.sql("""update `tabEmail Queue Recipient` set status='Sent', modified=%s where name=%s""",
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(now_datetime(), recipient.name), auto_commit=auto_commit)
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#if all are sent set status
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if any("Sent" == s.status for s in recipients_list):
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frappe.db.sql("""update `tabEmail Queue` set status='Sent', modified=%s where name=%s""",
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(now_datetime(), email.name), auto_commit=auto_commit)
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else:
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frappe.db.sql("""update `tabEmail Queue` set status='Error', error=%s
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where name=%s""", ("No recipients to send to", email.name), auto_commit=auto_commit)
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if frappe.flags.in_test:
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frappe.flags.sent_mail = message
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return
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if email.communication:
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frappe.get_doc('Communication', email.communication).set_delivery_status(commit=auto_commit)
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except (smtplib.SMTPServerDisconnected,
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smtplib.SMTPConnectError,
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smtplib.SMTPHeloError,
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smtplib.SMTPAuthenticationError,
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JobTimeoutException):
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# bad connection/timeout, retry later
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if any("Sent" == s.status for s in recipients_list):
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frappe.db.sql("""update `tabEmail Queue` set status='Partially Sent', modified=%s where name=%s""",
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(now_datetime(), email.name), auto_commit=auto_commit)
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else:
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frappe.db.sql("""update `tabEmail Queue` set status='Not Sent', modified=%s where name=%s""",
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(now_datetime(), email.name), auto_commit=auto_commit)
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if email.communication:
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|
frappe.get_doc('Communication', email.communication).set_delivery_status(commit=auto_commit)
|
|
|
|
# no need to attempt further
|
|
return
|
|
|
|
except Exception as e:
|
|
frappe.db.rollback()
|
|
|
|
if any("Sent" == s.status for s in recipients_list):
|
|
frappe.db.sql("""update `tabEmail Queue` set status='Partially Errored', error=%s where name=%s""",
|
|
(text_type(e), email.name), auto_commit=auto_commit)
|
|
else:
|
|
frappe.db.sql("""update `tabEmail Queue` set status='Error', error=%s
|
|
where name=%s""", (text_type(e), email.name), auto_commit=auto_commit)
|
|
|
|
if email.communication:
|
|
frappe.get_doc('Communication', email.communication).set_delivery_status(commit=auto_commit)
|
|
|
|
if now:
|
|
print(frappe.get_traceback())
|
|
raise e
|
|
|
|
else:
|
|
# log to Error Log
|
|
log('frappe.email.queue.flush', text_type(e))
|
|
|
|
def prepare_message(email, recipient, recipients_list):
|
|
message = email.message
|
|
if not message:
|
|
return ""
|
|
|
|
if email.add_unsubscribe_link and email.reference_doctype: # is missing the check for unsubscribe message but will not add as there will be no unsubscribe url
|
|
unsubscribe_url = get_unsubcribed_url(email.reference_doctype, email.reference_name, recipient,
|
|
email.unsubscribe_method, email.unsubscribe_params)
|
|
message = message.replace("<!--unsubscribe url-->", quopri.encodestring(unsubscribe_url.encode()).decode())
|
|
|
|
if email.expose_recipients == "header":
|
|
pass
|
|
else:
|
|
if email.expose_recipients == "footer":
|
|
if isinstance(email.show_as_cc, string_types):
|
|
email.show_as_cc = email.show_as_cc.split(",")
|
|
email_sent_to = [r.recipient for r in recipients_list]
|
|
email_sent_cc = ", ".join([e for e in email_sent_to if e in email.show_as_cc])
|
|
email_sent_to = ", ".join([e for e in email_sent_to if e not in email.show_as_cc])
|
|
|
|
if email_sent_cc:
|
|
email_sent_message = _("This email was sent to {0} and copied to {1}").format(email_sent_to,email_sent_cc)
|
|
else:
|
|
email_sent_message = _("This email was sent to {0}").format(email_sent_to)
|
|
message = message.replace("<!--cc message-->", quopri.encodestring(email_sent_message.encode()).decode())
|
|
|
|
message = message.replace("<!--recipient-->", recipient)
|
|
|
|
message = (message and message.encode('utf8')) or ''
|
|
if not email.attachments:
|
|
return message
|
|
|
|
# On-demand attachments
|
|
from email.parser import Parser
|
|
|
|
msg_obj = Parser().parsestr(message)
|
|
attachments = json.loads(email.attachments)
|
|
|
|
for attachment in attachments:
|
|
if attachment.get('fcontent'): continue
|
|
|
|
fid = attachment.get("fid")
|
|
if fid:
|
|
fname, fcontent = get_file(fid)
|
|
attachment.update({
|
|
'fname': fname,
|
|
'fcontent': fcontent,
|
|
'parent': msg_obj
|
|
})
|
|
attachment.pop("fid", None)
|
|
add_attachment(**attachment)
|
|
|
|
elif attachment.get("print_format_attachment") == 1:
|
|
attachment.pop("print_format_attachment", None)
|
|
print_format_file = frappe.attach_print(**attachment)
|
|
print_format_file.update({"parent": msg_obj})
|
|
add_attachment(**print_format_file)
|
|
|
|
return msg_obj.as_string()
|
|
|
|
def clear_outbox():
|
|
"""Remove low priority older than 31 days in Outbox and expire mails not sent for 7 days.
|
|
Called daily via scheduler.
|
|
Note: Used separate query to avoid deadlock
|
|
"""
|
|
|
|
email_queues = frappe.db.sql_list("""select name from `tabEmail Queue`
|
|
where priority=0 and datediff(now(), modified) > 31""")
|
|
|
|
if email_queues:
|
|
frappe.db.sql("""delete from `tabEmail Queue` where name in (%s)"""
|
|
% ','.join(['%s']*len(email_queues)), tuple(email_queues))
|
|
|
|
frappe.db.sql("""delete from `tabEmail Queue Recipient` where parent in (%s)"""
|
|
% ','.join(['%s']*len(email_queues)), tuple(email_queues))
|
|
|
|
frappe.db.sql("""
|
|
update `tabEmail Queue`
|
|
set status='Expired'
|
|
where datediff(curdate(), modified) > 7 and status='Not Sent' and (send_after is null or send_after < %(now)s)""", { 'now': now_datetime() })
|