1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
|
"""
This file is part of alot.
Alot 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 3 of the License, or (at your
option) any later version.
Notmuch 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 notmuch. If not, see <http://www.gnu.org/licenses/>.
Copyright (C) 2011 Patrick Totzke <patricktotzke@gmail.com>
"""
import email
import urwid
import tempfile
import os
import re
from datetime import datetime
from settings import config
from settings import get_mime_handler
from helper import shorten
from helper import pretty_datetime
from helper import cmd_output
class ThreadlineWidget(urwid.AttrMap):
#TODO: receive a thread here. needs change in calling walker
def __init__(self, tid, dbman):
self.dbman = dbman
self.thread = dbman.get_thread(tid)
self.rebuild()
urwid.AttrMap.__init__(self, self.columns,
'threadline', 'threadline_focus')
def rebuild(self):
cols = []
datestring = pretty_datetime(self.thread.get_newest_date()).rjust(10)
self.date_w = urwid.AttrMap(urwid.Text(datestring), 'threadline_date')
cols.append(('fixed', len(datestring), self.date_w))
mailcountstring = "(%d)" % self.thread.get_total_messages()
self.mailcount_w = urwid.AttrMap(urwid.Text(mailcountstring),
'threadline_mailcount')
cols.append(('fixed', len(mailcountstring), self.mailcount_w))
tagsstring = " ".join(self.thread.get_tags())
self.tags_w = urwid.AttrMap(urwid.Text(tagsstring), 'threadline_tags')
if tagsstring:
cols.append(('fixed', len(tagsstring), self.tags_w))
authors = self.thread.get_authors() or '(None)'
maxlength = config.getint('general', 'authors_maxlength')
authorsstring = shorten(authors, maxlength)
self.authors_w = urwid.AttrMap(urwid.Text(authorsstring),
'threadline_authors')
cols.append(('fixed', len(authorsstring), self.authors_w))
subjectstring = self.thread.get_subject()
self.subject_w = urwid.AttrMap(urwid.Text(subjectstring, wrap='clip'),
'threadline_subject')
if subjectstring:
cols.append(self.subject_w)
self.columns = urwid.Columns(cols, dividechars=1)
self.original_widget = self.columns
def render(self, size, focus=False):
if focus:
self.date_w.set_attr_map({None: 'threadline_date_focus'})
self.mailcount_w.set_attr_map({None:
'threadline_mailcount_focus'})
self.tags_w.set_attr_map({None: 'threadline_tags_focus'})
self.authors_w.set_attr_map({None: 'threadline_authors_focus'})
self.subject_w.set_attr_map({None: 'threadline_subject_focus'})
else:
self.date_w.set_attr_map({None: 'threadline_date'})
self.mailcount_w.set_attr_map({None: 'threadline_mailcount'})
self.tags_w.set_attr_map({None: 'threadline_tags'})
self.authors_w.set_attr_map({None: 'threadline_authors'})
self.subject_w.set_attr_map({None: 'threadline_subject'})
return urwid.AttrMap.render(self, size, focus)
def selectable(self):
return True
def keypress(self, size, key):
return key
def get_thread(self):
return self.thread
class BufferlineWidget(urwid.Text):
def __init__(self, buffer):
self.buffer = buffer
line = '[' + buffer.typename + '] ' + str(buffer)
urwid.Text.__init__(self, line, wrap='clip')
def selectable(self):
return True
def keypress(self, size, key):
return key
def get_buffer(self):
return self.buffer
class TagWidget(urwid.Text):
def __init__(self, tag):
self.tag = tag
urwid.Text.__init__(self, tag, wrap='clip')
def selectable(self):
return True
def keypress(self, size, key):
return key
def get_tag(self):
return self.tag
class PromptWidget(urwid.AttrMap):
def __init__(self, prefix, text='', completer=None):
self.completer = completer
leftpart = urwid.Text(prefix, align='left')
self.editpart = urwid.Edit(edit_text=text)
self.start_completion_pos = len(text)
self.completion_results = None
both = urwid.Columns(
[
('fixed', len(prefix) + 1, leftpart),
('weight', 1, self.editpart),
])
urwid.AttrMap.__init__(self, both, 'prompt', 'prompt')
def set_input(self, txt):
return self.editpart.set_edit_text(txt)
def get_input(self):
return self.editpart.get_edit_text()
def keypress(self, size, key):
if key in ['tab', 'shift tab']:
if self.completer:
pos = self.start_completion_pos
original = self.editpart.edit_text[:pos]
if not self.completion_results: # not in completion mode
self.completion_results = [''] + \
self.completer.complete(original)
self.focus_in_clist = 1
else:
if key == 'tab':
self.focus_in_clist += 1
else:
self.focus_in_clist -= 1
if len(self.completion_results) > 1:
suffix = self.completion_results[self.focus_in_clist %
len(self.completion_results)]
self.editpart.set_edit_text(original + suffix)
self.editpart.edit_pos += len(suffix)
else:
self.editpart.set_edit_text(original + ' ')
self.editpart.edit_pos += 1
self.start_completion_pos = self.editpart.edit_pos
self.completion_results = None
else:
result = self.editpart.keypress(size, key)
self.start_completion_pos = self.editpart.edit_pos
self.completion_results = None
return result
class MessageWidget(urwid.WidgetWrap):
"""flow widget that displays a single message"""
def __init__(self, message, even=False, unfold_body=False,
unfold_header=False, depth=0, bars_at=[]):
"""
:param message: the message to display
:type message: alot.db.Message
:param even: use messagesummary_even theme for summary
:type even: boolean
:param unfold_body: initially show message body
:type unfold_body: boolean
:param unfold_header: initially show message headers
:type unfold_header: boolean
:param depth: number of characters to shift content to the right
:type depth: int
:param bars_at: list of positions smaller than depth where horizontal
ars are used instead of spaces.
:type bars_at: list(int)
"""
self.message = message
self.depth = depth
self.bars_at = bars_at
self.even = even
# build the summary line, header and body will be created on demand
self.sumline = self._build_sum_line()
self.headerw = None
self.bodyw = None
self.displayed_list = [self.sumline]
if unfold_header:
self.displayed_list.append(self.get_header_widget())
if unfold_body:
self.displayed_list.append(self.get_body_widget())
#build pile and call super constructor
self.pile = urwid.Pile(self.displayed_list)
urwid.WidgetWrap.__init__(self, self.pile)
# in case the message is yet unread, remove this tag
if 'unread' in message.get_tags():
message.remove_tags(['unread'])
def rebuild(self):
self.pile = urwid.Pile(self.displayed_list)
self._w = self.pile
def _build_sum_line(self):
"""creates/returns the widget that displays the summary line."""
self.sumw = MessageSummaryWidget(self.message)
if self.even:
attr = 'messagesummary_even'
else:
attr = 'messagesummary_odd'
cols = []
bc = list() # box_columns
if self.depth > 1:
bc.append(0)
cols.append(self._get_spacer(self.bars_at[1:-1]))
if self.depth > 0:
if self.bars_at[-1]:
arrowhead = u'\u251c\u25b6'
else:
arrowhead = u'\u2514\u25b6'
cols.append(('fixed', 2, urwid.Text(arrowhead)))
cols.append(self.sumw)
line = urwid.AttrMap(urwid.Columns(cols, box_columns=bc),
attr, 'messagesummary_focus')
return line
def _get_header_widget(self):
"""creates/returns the widget that displays the mail header"""
if not self.headerw:
displayed = config.getstringlist('general', 'displayed_headers')
cols = [MessageHeaderWidget(self.message.get_email(), displayed)]
bc = list()
if self.depth:
cols.insert(0, self._get_spacer(self.bars_at[1:]))
bc.append(0)
self.headerw = urwid.Columns(cols, box_columns=bc)
return self.headerw
def _get_body_widget(self):
"""creates/returns the widget that displays the mail body"""
if not self.bodyw:
cols = [MessageBodyWidget(self.message.get_email())]
bc = list()
if self.depth:
cols.insert(0, self._get_spacer(self.bars_at[1:]))
bc.append(0)
self.bodyw = urwid.Columns(cols, box_columns=bc)
return self.bodyw
def _get_spacer(self, bars_at):
prefixchars = []
length = len(bars_at)
for b in bars_at:
if b:
c = u'\u2502'
else:
c = ' '
prefixchars.append(('fixed', 1, urwid.SolidFill(c)))
spacer = urwid.Columns(prefixchars, box_columns=range(length))
return ('fixed', length, spacer)
def toggle_header(self):
"""toggles if message headers are shown"""
hw = self._get_header_widget()
if hw in self.displayed_list:
self.displayed_list.remove(hw)
else:
self.displayed_list.insert(1, hw)
self.rebuild()
def toggle_body(self):
"""toggles if message body is shown"""
bw = self._get_body_widget()
if bw in self.displayed_list:
self.displayed_list.remove(bw)
else:
self.displayed_list.append(bw)
self.sumw.toggle_folded()
self.rebuild()
def selectable(self):
return True
def keypress(self, size, key):
if key == 'h':
self.toggle_header()
elif key == 'enter':
self.toggle_header()
self.toggle_body()
else:
return self.pile.keypress(size, key)
def get_message(self):
"""get contained message
returns: alot.db.Message"""
return self.message
def get_email(self):
"""get contained email
returns: email.Message"""
return self.message.get_email()
class MessageSummaryWidget(urwid.WidgetWrap):
"""a one line summary of a message"""
def __init__(self, message, folded=True):
"""
:param message: the message to summarize
:type message: alot.db.Message
"""
self.message = message
self.folded = folded
urwid.WidgetWrap.__init__(self, urwid.Text(str(self)))
def __str__(self):
prefix = "- "
if self.folded:
prefix = '+ '
aname, aaddress = self.message.get_author()
return "%s%s (%s)" % (prefix, aname,
pretty_datetime(self.message.datetime))
def toggle_folded(self):
self.folded = not self.folded
self._w = urwid.Text(str(self))
def selectable(self):
return True
def keypress(self, size, key):
return key
class MessageHeaderWidget(urwid.AttrMap):
"""displays a "key:value\n" list of email headers"""
def __init__(self, eml, displayed_headers=None):
"""
:param eml: the email
:type eml: email.Message
:param displayed_headers: a whitelist of header fields to display
:type state: list(str)
"""
self.eml = eml
headerlines = []
max_key_len = 1
if not displayed_headers:
displayed_headers = eml.keys()
for key in displayed_headers:
if key in eml:
if len(key) > max_key_len:
max_key_len = len(key)
for key in displayed_headers:
#todo: parse from,cc,bcc seperately into name-addr-widgets
if key in eml:
value = reduce(lambda x, y: x + y[0],
email.header.decode_header(eml[key]), '')
#sanitize it a bit:
value = value.replace('\t', '')
value = value.replace('\r', '')
keyw = ('fixed', max_key_len + 1,
urwid.Text(('message_header_key', key)))
valuew = urwid.Text(('message_header_value', value))
line = urwid.Columns([keyw, valuew])
headerlines.append(line)
urwid.AttrMap.__init__(self, urwid.Pile(headerlines), 'message_header')
def selectable(self):
return True
def keypress(self, size, key):
return key
class MessageBodyWidget(urwid.AttrMap):
"""displays printable parts of an email"""
def __init__(self, eml):
"""
:param eml: the email
:type eml: email.Message
"""
self.eml = eml
bodytxt = ''
for part in self.eml.walk():
ctype = part.get_content_type()
raw_payload = part.get_payload(None, True)
if ctype == 'text/plain':
bodytxt += raw_payload
elif ctype == 'text/html':
#get mime handler
handler = get_mime_handler(ctype, key='view',
interactive=False)
#open tempfile. Not all handlers accept stuff from stdin
tmpfile = tempfile.NamedTemporaryFile(delete=False,
suffix='.html')
#write payload to tmpfile
tmpfile.write(raw_payload)
#create and call external command
cmd = handler % tmpfile.name
rendered_payload = cmd_output(cmd)
#remove tempfile
tmpfile.close()
os.unlink(tmpfile.name)
if rendered_payload:
bodytxt += rendered_payload.strip()
else:
bodytxt += raw_payload
urwid.AttrMap.__init__(self, urwid.Text(bodytxt), 'message_body')
def selectable(self):
return True
def keypress(self, size, key):
return key
|