338 lines
9.6 KiB
Python
Executable file
338 lines
9.6 KiB
Python
Executable file
#!/usr/bin/env python3
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"""
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Meh mail client
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"""
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# TODO Features
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# TODO (only then) Refactor
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import notmuch
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import logging
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import coloredlogs
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import colorama
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import datetime
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import os
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import progressbar
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import time
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import argparse
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import configparser
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import base64
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import shutil
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import argparse
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import xdg.BaseDirectory
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import sys
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import subprocess
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ACCOUNTS = dict()
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ALIASES = set()
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def generate_aliases():
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for name in config.sections():
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if not name.islower():
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continue
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section = config[name]
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ALIASES.add(section["from"])
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if "alternatives" in section:
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for alt in section["alternatives"].split(";"):
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ALIASES.add(alt)
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ACCOUNTS[name] = section
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def get_location(msg):
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path = msg.get_filename()
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path = os.path.dirname(path)
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base = db.get_path()
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assert path.startswith(base)
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path = path[len(base):]
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pathSplit = path.split('/')
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mailbox = pathSplit[1]
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assert mailbox in ACCOUNTS
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state = pathSplit[-1]
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folder = tuple(pathSplit[2:-1])
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assert state in {'cur', 'tmp', 'new'}
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return (mailbox, folder, state)
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MAILBOX_COLORS = dict()
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def get_mailbox_color(mailbox):
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if mailbox not in MAILBOX_COLORS:
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colorStr = config[mailbox]["color"]
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colorStr = colorStr[1:] if colorStr[0] == '#' else colorStr
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R = int(colorStr[0:2], 16)
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G = int(colorStr[2:4], 16)
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B = int(colorStr[4:6], 16)
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MAILBOX_COLORS[mailbox] = '\x1b[38;2;{};{};{}m'.format(R, G, B)
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return MAILBOX_COLORS[mailbox]
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def format_date(date):
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now = datetime.datetime.now()
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midnight = datetime.datetime(year=now.year, month=now.month, day=now.day)
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if date > midnight:
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return date.strftime('%H:%M:%S')
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else:
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return date.strftime('%d/%m/%y')
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def threadIdToB64(tid):
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assert len(tid) == 16
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tidInt = int(tid, 16)
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tidBytes = tidInt.to_bytes(8, 'big')
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tidB64 = base64.b64encode(tidBytes)
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assert len(tidB64) == 12
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return tidB64.decode()
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WIDTH_FIXED = 30
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WIDTH_RATIO_DEST_SUBJECT = 0.3
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destWidth = None
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subjectWidth = None
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def compute_line_format():
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columns, rows = shutil.get_terminal_size((80, 20))
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remain = columns - WIDTH_FIXED - 1
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global destWidth, subjectWidth
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destWidth = int(remain * WIDTH_RATIO_DEST_SUBJECT)
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subjectWidth = remain - destWidth
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def clip_text(size, text):
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l = len(text)
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if l == size:
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return text
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elif l > size:
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return text[:size-1] + '…'
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elif l < size:
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return text + " " * (size - l)
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def print_msg(msg):
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if not destWidth:
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compute_line_format()
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line = ""
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tags = set(msg.get_tags())
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mailbox, folder, state = get_location(msg)
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line += get_mailbox_color(mailbox)
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# ID
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line += threadIdToB64(msg.get_thread_id())
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# line += str(int(msg.get_thread_id(), 16))
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# Date
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line += " "
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date = datetime.datetime.fromtimestamp(msg.get_date())
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line += format_date(date)
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# Icons
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line += " "
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def tags2col1(tag1, tag2, both, first, second, none):
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nonlocal line
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if tag1 in tags:
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if tag2 in tags:
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line += both
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else:
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line += first
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else:
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if tag2 in tags:
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line += second
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else:
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line += none
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tags2col1('spam', 'draft', '?', 'S', 'D', ' ')
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tags2col1('attachment', 'encrypted', 'E', 'A', 'E', ' ')
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tags2col1('unread', 'flagged', '!', 'U', 'F', ' ')
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tags2col1('sent', 'replied', '?', '↑', '↪', ' ')
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if 'sent' in tags:
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dest = msg.get_header("to")
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else:
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dest = msg.get_header("from")
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line += " "
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line += clip_text(destWidth, dest)
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# Subject
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line += " "
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subject = msg.get_header("subject")
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line += clip_text(subjectWidth, subject)
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line += colorama.Style.RESET_ALL
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print(line)
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def retag_msg(msg):
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msg.freeze()
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mailbox, folder, state = get_location(msg)
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# Search-friendly folder name
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slugFolderList = list()
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for f, fold in [(f, folder[f]) for f in range(len(folder))]:
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if f == 0 and len(folder) > 1 and fold == "INBOX":
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continue
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slugFolderList.append(fold.upper())
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slugFolder = tuple(slugFolderList)
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tags = set(msg.get_tags())
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def tag_if(tag, condition):
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if condition and tag not in tags:
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msg.add_tag(tag)
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elif not condition and tag in tags:
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msg.remove_tag(tag)
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expeditor = extract_email(msg.get_header('from'))
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tag_if('inbox', slugFolder[0] == 'INBOX')
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tag_if('spam', slugFolder[0] == 'JUNK' or slugFolder[0] == 'SPAM')
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tag_if('deleted', slugFolder[0] == 'TRASH')
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tag_if('draft', slugFolder[0] == 'DRAFTS')
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tag_if('sent', expeditor in ALIASES)
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# TODO remove unprocessed
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# Save
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msg.thaw()
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msg.tags_to_maildir_flags()
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def extract_email(field):
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try:
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sta = field.index('<')
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sto = field.index('>')
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return field[sta+1:sto]
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except ValueError:
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return field
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def applyMsgs(queryStr, action, *args, showProgress=False, **kwargs):
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log.info("Querying {}".format(queryStr))
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query = notmuch.Query(db, queryStr)
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query.set_sort(notmuch.Query.SORT.OLDEST_FIRST)
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elements = query.search_messages()
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if showProgress:
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nbMsgs = query.count_messages()
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iterator = progressbar.progressbar(elements, max_value=nbMsgs)
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else:
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iterator = elements
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log.info("Executing {}".format(action))
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for msg in iterator:
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action(msg, *args, **kwargs)
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# applyMsgs('*', print_msg)
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# applyMsgs('tag:inbox', print_msg)
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# applyMsgs('tag:spam', print_msg)
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# applyMsgs('tag:unread', print_msg)
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# applyMsgs('tag:unprocessed', print_msg)
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# applyMsgs('from:geoffrey@frogeye.fr', print_msg)
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# applyMsgs('tag:unprocessed', retag_msg, useProgressbar=True)
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# applyMsgs('*', retag_msg, useProgressbar=True)
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if __name__ == "__main__":
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# Main arguments
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parser = argparse.ArgumentParser(description="Meh mail client")
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selectedVerbosityLevels = ["DEBUG", "INFO", "WARNING", "ERROR", "FATAL"]
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parser.add_argument('-v', '--verbosity', choices=selectedVerbosityLevels, default='WARNING', help="Verbosity of log messages")
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# parser.add_argument('-n', '--dry-run', action='store_true', help="Don't do anything") # DEBUG
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defaultConfigFile = os.path.join(xdg.BaseDirectory.xdg_config_home, 'mel', 'accounts.conf')
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parser.add_argument('-c', '--config', default=defaultConfigFile, help="Accounts config file")
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parser.set_defaults(dbmode=notmuch.Database.MODE.READ_ONLY)
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parser.set_defaults(showProgress=False)
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parser.set_defaults(useThreads=False)
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parser.set_defaults(actionBefore=None)
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parser.set_defaults(actionAfter=None)
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parser.set_defaults(action=None)
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subparsers = parser.add_subparsers(help="Action to execute", required=True)
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## List messages
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# inbox (default)
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def func_inbox(args):
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queryStr = 'tag:unread' if args.only_unread else 'tag:inbox'
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applyMsgs(queryStr, print_msg)
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parserInbox = subparsers.add_parser("inbox", help="Show unread, unsorted and flagged messages")
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parserInbox.add_argument('-u', '--only-unread', action='store_true', help="Show unread messages only")
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# TODO Make this more relevant
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parserInbox.set_defaults(func=func_inbox)
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# list folder [--recurse]
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## List actions
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# delete msg...
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# spam msg...
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# flag msg...
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# ↑un* equivalents
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# move dest msg...
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## Read message
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# read msg [--html] [--plain] [--browser]
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# attach msg [id] [--save] (list if no id, xdg-open else)
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## Redaction
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# new account
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# reply msg [--all]
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## Folder management
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# mkdir folder
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# rmdir folder (prevent if folder isn't empty (mail/subfolder))
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# (yeah that should do)
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## Meta
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# setup (interactive thing maybe)
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# fetch (mbsync, notmuch new, retag, notify; called by greater gods)
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def func_fetch(args):
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# Fetch mails
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log.info("Fetching mails")
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mbsyncConfigPath = os.path.expanduser("~/.mbsyncrc") # TODO Better
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cmd = ["mbsync", "--config", mbsyncConfigPath, "--all"]
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subprocess.run(cmd)
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# Index new mails
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log.info("Indexing mails")
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log.error("TODO Can't `notmuch new` when database is already open!")
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notmuchConfigPath = os.path.expanduser("~/.notmuchrc") # TODO Better
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cmd = ["notmuch", "--config", notmuchConfigPath, "new"]
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log.debug(" ".join(cmd))
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subprocess.run(cmd)
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# Tag new mails
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applyMsgs('tag:unprocessed', retag_msg, showProgress=True)
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# Notify
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log.info("Notifying new mails")
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# TODO Maybe before retag, notify unprocessed && unread
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parserFetch = subparsers.add_parser("fetch", help="Fetch mail, tag them, and run notifications")
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parserFetch.set_defaults(dbmode=notmuch.Database.MODE.READ_WRITE)
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parserFetch.set_defaults(func=func_fetch)
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## Debug
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# process (all or unprocessed)
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args = parser.parse_args()
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print(args)
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# Installing logs
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colorama.init()
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coloredlogs.install(level=args.verbosity, fmt='%(levelname)s %(message)s')
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log = logging.getLogger()
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log.info("Loading config {}".format(args.config))
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if not os.path.isfile(args.config):
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log.fatal("Config file not found: {}".format(args.config))
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sys.exit(1)
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# TODO Create it, maybe?
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config = configparser.ConfigParser()
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config.read(args.config)
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generate_aliases()
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if args.dbmode is not None:
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log.info("Loading database")
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dbPath = os.path.realpath(os.path.expanduser(config["GENERAL"]["storage"]))
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db = notmuch.Database(mode=args.dbmode, path=dbPath)
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if args.func:
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log.info("Executing function {}".format(args.func))
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args.func(args)
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