Encoding of "=" by quopri.py module

[c888f3aa-61bc-429d-8b80-542a2a612892]

BPO	215907

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GitHub fields: ```python assignee = None closed_at = created_at = labels = ['library'] title = 'Encoding of "=" by quopri.py module' updated_at = user = 'https://bugs.python.org/gillou' ``` bugs.python.org fields: ```python activity = actor = 'jhylton' assignee = 'jhylton' closed = True closed_date = None closer = None components = ['Library (Lib)'] creation = creator = 'gillou' dependencies = [] files = [] hgrepos = [] issue_num = 215907 keywords = [] message_count = 2.0 messages = ['1785', '1786'] nosy_count = 2.0 nosy_names = ['jhylton', 'gillou'] pr_nums = [] priority = 'normal' resolution = 'fixed' stage = None status = 'closed' superseder = None type = None url = 'https://bugs.python.org/issue215907' versions = [] ```

[c888f3aa-61bc-429d-8b80-542a2a612892]

While making an automated mail sending engine, I used the quopri.encode(...) for my multipart mails. quopri.encode(...) converts "=" into "==" while the mail clients expect "=3D". Thus I got some problems reading such mails with Outlook Express 5 , Netscape Messenger (Linux) and StarOffice Mail (Linux). Especially when the HTML part of the mail contains hyperkinks \...\</a> that crash Outlook express. The others make a 404 HTTP error. I run Python 1.5.2, but this bug/feature remains perhaps with Python 1.6 and Python 2.0bx cause I didn't notice any change log to the quopri module. I found a workaround (fix ?) by changing the "quote" function of "quopri.py" to this: ==== quopri.py \==== ... def quote(c): ## if c == ESCAPE: ## return ESCAPE * 2 ## else: i = ord(c) return ESCAPE + HEX[i/16] + HEX[i%16] ... ==== end quopri.py \==== Now, the 3 above mentioned mail clients read correctly the raw text and html parts of my mails - including hyperlinks. Is it a bug, a feature, or did I misuse "quopri" ?

fixed in revision 1.7 of quopri