/[james]/sargasso/!Sargasso/py/task.py
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Revision 76 - (hide annotations) (download) (as text)
Sun May 15 12:37:54 2005 UTC (19 years, 1 month ago) by james
File MIME type: text/x-python
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Initial import of Sargasso 1.00.

1 james 76 #
2     # This file is part of Sargasso, http://zamez.org/sargasso
3     # Licensed under the GNU General Public License,
4     # http://www.opensource.org/licenses/gpl-license
5     # Copyright 2005 James Bursa <james@semichrome.net>
6     #
7    
8     import os
9     import urlparse
10     import wimp
11     import sargasso
12     import swi
13     import rufl
14    
15    
16     # styles for text: font family, style, size, text colour, background colour
17     style_feed_title = ('Homerton', rufl.regular, 200, 0x000000, 0xffaa99)
18     style_feed_title_new = ('Homerton', rufl.bold, 200, 0x000000, 0xffaa99)
19     style_feed_tagline = ('NewHall', rufl.regular, 200, 0x000000, None)
20     style_feed_error = ('NewHall', rufl.regular, 200, 0x0000a0, None)
21     style_feed_date = ('NewHall', rufl.slanted, 160, 0x0060ee, None)
22     style_feed_type = ('NewHall', rufl.slanted, 160, 0x666666, None)
23     style_entry_title = ('Homerton', rufl.regular, 200, 0x000000, 0xa0dddd)
24     style_entry_title_new = ('Homerton', rufl.bold, 200, 0x000000, 0xa0dddd)
25     style_entry_author = ('NewHall', rufl.slanted, 160, 0x666666, None)
26     style_entry_date = ('NewHall', rufl.slanted, 160, 0x0060ee, None)
27     style_entry_summary = ('NewHall', rufl.regular, 180, 0x000000, None)
28    
29    
30     feed_type = {
31     'rss090': 'RSS 0.90',
32     'rss091n': 'Netscape RSS 0.91',
33     'rss091u': 'Userland RSS 0.91',
34     'rss10': 'RSS 1.0',
35     'rss092': 'RSS 0.92',
36     'rss093': 'RSS 0.93',
37     'rss094': 'RSS 0.94',
38     'rss20': 'RSS 2.0',
39     'rss': 'RSS',
40     'atom01': 'Atom 0.1',
41     'atom02': 'Atom 0.2',
42     'atom03': 'Atom 0.3',
43     'atom': 'Atom',
44     'cdf': 'CDF',
45     'hotrss': 'Hot RSS',
46     '': 'Unknown',
47     }
48    
49    
50     default_feeds = (
51     'http://newsrss.bbc.co.uk/rss/newsonline_uk_edition/front_page/rss.xml',
52     'http://today.reuters.co.uk/rss/topNews/',
53     'http://news.ft.com/rss/home/uk',
54     'http://www.drobe.co.uk/rss.php',
55     'http://www.iconbar.com/cgi-bin/iconbar.rss',
56     'http://www.theregister.co.uk/feeds/latest.rdf',
57     'http://www.snackspot.org.uk/rss/rss.xml',
58     )
59    
60    
61     def init():
62     "Initialise program specific stuff"
63     global main_window, add_feed_box
64     wimp.hourglass_on()
65     iconbar_init()
66     main_window = MainWindow('main')
67     add_feed_box = AddFeedBox('add_feed')
68     wimp.poll_mask = 0
69     wimp.null_reason_handler = null_reason_handler
70     load_choices()
71     if sargasso.feeds == []:
72     for url in default_feeds:
73     sargasso.add_feed(url)
74     for feed in sargasso.feeds:
75     feed.last_status = feed.status
76     feed.window = wimp.window('main')
77     make_main_window()
78     main_window.open()
79     wimp.hourglass_off()
80    
81    
82     def quit():
83     "Tidy up before quitting"
84     pass
85    
86    
87     def iconbar_init():
88     "Setup iconbar icon"
89     global window_info, menu_iconbar
90     wimp.iconbar_icon('!sargasso', iconbar_click)
91     window_info = wimp.info_window()
92     menu_iconbar = wimp.menu('iconbar',
93     ('task', ('info', window_info), 'update', 'quit'))
94    
95    
96     def null_reason_handler():
97     sargasso.poll()
98     remake = False
99     for feed in sargasso.feeds:
100     if feed.last_status != feed.status:
101     remake = True
102     feed.last_status = feed.status
103     if feed.window.is_open:
104     make_feed_window(feed)
105     feed.window.refresh(0, 0, 900, 10000)
106     if remake:
107     make_main_window()
108     main_window.refresh(0, 0, 1000, 10000)
109    
110    
111     def iconbar_click(buttons, x):
112     "Handle click on iconbar"
113     if buttons == 2:
114     reopen = 1
115     while reopen:
116     selection, reopen = menu_iconbar.menu(x - 64, 96 + 44 * 3)
117     if selection is None:
118     pass
119     elif selection[0] == 0:
120     window_info.open_as_menu()
121     reopen = 0
122     elif selection[0] == 1:
123     for feed in sargasso.feeds:
124     feed.update()
125     elif selection[0] == 2:
126     wimp.quit()
127     elif buttons in (1, 4):
128     main_window.open_full_size(-1)
129    
130    
131     def make_main_window():
132     main_window.contents = []
133     y = 0
134     for feed in sargasso.feeds:
135     title = try_detail(feed.feed, 'title_detail')
136     if title == '':
137     title = feed.url
138     if len(feed.new_entries):
139     title_style = style_feed_title_new
140     else:
141     title_style = style_feed_title
142     title = MainWindowIcon(main_window, 0, y, 700,
143     title_style[0], title_style[1],
144     title_style[2], title,
145     title_style[3], title_style[4])
146     title.feed = feed
147     main_window.add_content(title)
148    
149     status = ''
150     if feed.status == sargasso.STATUS_DONE:
151     if len(feed.new_entries):
152     status = '%i items (%i new)' % (len(feed.entries),
153     len(feed.new_entries))
154     else:
155     status = '%i items' % (len(feed.entries))
156     elif feed.status == sargasso.STATUS_ERROR:
157     status = 'Failed'
158     elif feed.status in (sargasso.STATUS_IDLE, sargasso.STATUS_FETCHING):
159     status = 'Fetching'
160     status = MainWindowIcon(main_window, 700, y, 1000,
161     title_style[0], title_style[1],
162     title_style[2], status,
163     title_style[3], title_style[4])
164     status.feed = feed
165     main_window.add_content(status)
166    
167     status.pos[3] = title.pos[3]
168     y = title.y1
169    
170     if feed.status == sargasso.STATUS_ERROR:
171     summary = MainWindowIcon(main_window, 0, y, 1000,
172     style_feed_error[0], style_feed_error[1],
173     style_feed_error[2], feed.error,
174     style_feed_error[3], style_feed_error[4])
175     else:
176     summary = MainWindowIcon(main_window, 0, y, 1000,
177     style_feed_tagline[0], style_feed_tagline[1],
178     style_feed_tagline[2],
179     try_detail(feed.feed, 'tagline_detail'),
180     style_feed_tagline[3], style_feed_tagline[4])
181     summary.feed = feed
182     main_window.add_content(summary)
183    
184     y = summary.y1 + 10
185     main_window.set_extent(0, 0, 1000, y)
186     if main_window.is_open:
187     main_window.open_full_size()
188    
189    
190     class MainWindow(wimp.window):
191    
192     def click(self, icon, buttons, x, y, sx, sy):
193     self.sx = sx
194     self.sy = sy
195     if wimp.window.click(self, icon, buttons, x, y, sx, sy):
196     return True
197     if buttons == 2:
198     menu = wimp.menu('menu',
199     ('task', 'add_feed', '-remove_feed', 'update'))
200     reopen = 1
201     while reopen:
202     selection, reopen = menu.menu(sx - 64, sy)
203     if selection is None:
204     pass
205     elif selection[0] == 0:
206     add_feed_box.icon_text(0, 'http://')
207     add_feed_box.open_centred()
208     add_feed_box.put_caret(0)
209     elif selection[0] == 2:
210     for feed in sargasso.feeds:
211     feed.update()
212     return True
213    
214    
215     class MainWindowIcon(wimp.paragraph):
216    
217     def click(self, buttons, x, y):
218     feed = self.feed
219     if buttons == 2:
220     title = try_detail(feed.feed, 'title_detail')
221     if title == '':
222     title = feed.url
223     title = title.encode('latin1', 'replace')
224     if 30 < len(title):
225     title = title[:30] + '...'
226     else:
227     title = title
228     menu = wimp.menu('menu',
229     ('task', 'add_feed',
230     wimp.lookup('remove_feed_x') % title,
231     'update'))
232     reopen = 1
233     while reopen:
234     selection, reopen = menu.menu(self.window.sx - 64,
235     self.window.sy)
236     if selection is None:
237     pass
238     elif selection[0] == 0:
239     add_feed_box.icon_text(0, 'http://')
240     add_feed_box.open_centred()
241     add_feed_box.put_caret(0)
242     elif selection[0] == 1:
243     if feed.window:
244     feed.window.remove()
245     sargasso.remove_feed(feed.url)
246     make_main_window()
247     main_window.refresh(0, 0, 1000, 10000)
248     save_choices()
249     elif selection[0] == 2:
250     for feed in sargasso.feeds:
251     feed.update()
252     return True
253     if feed.status == sargasso.STATUS_DONE:
254     if feed.window.is_open:
255     feed.window.open_centred(-1)
256     else:
257     make_feed_window(feed)
258     feed.window.open_centred(-1)
259     if feed.new_entries:
260     feed.new_entries = []
261     make_main_window()
262     main_window.refresh(0, 0, 1000, 10000)
263     return True
264    
265    
266     def make_feed_window(feed):
267     w = feed.window
268     w.contents = []
269     w.y1 = 0
270     link = feed.feed.get('link', '')
271     title = try_detail(feed.feed, 'title_detail')
272     tagline = try_detail(feed.feed, 'tagline_detail')
273     modified = feed.feed.get('modified', '')
274     type = feed_type[feed.version]
275     add_para(w, style_feed_title, title, link)
276     add_para(w, style_feed_tagline, tagline, link)
277     add_para(w, style_feed_date, modified, link)
278     add_para(w, style_feed_type, type, link)
279     for entry in feed.entries:
280     link = entry.get('link', '')
281     entry_title = try_detail(entry, 'title_detail')
282     entry_author = entry.get('author', '')
283     entry_modified = entry.get('modified', '')
284     entry_summary = try_detail(entry, 'summary_detail')
285     if entry in feed.new_entries:
286     add_para(w, style_entry_title_new, entry_title, link)
287     else:
288     add_para(w, style_entry_title, entry_title, link)
289     add_para(w, style_entry_author, entry_author, link)
290     add_para(w, style_entry_date, entry_modified, link)
291     add_para(w, style_entry_summary, entry_summary, link)
292     if 'content' in entry:
293     for content in entry.content:
294     value = read_detail(content)
295     add_para(w, style_entry_summary, value, link)
296     w.set_extent(0, 0, 900, w.y1)
297     w.title(title[:98])
298    
299    
300     def add_para(w, style, text, url):
301     if text == '':
302     return
303     icon = FeedWindowIcon(w, 0, w.y1, 900, style[0], style[1],
304     style[2], text, style[3], style[4])
305     w.add_content(icon)
306     icon.url = url
307     w.y1 = icon.y1
308    
309    
310     class FeedWindowIcon(wimp.paragraph):
311    
312     def click(self, buttons, x, y):
313     if buttons == 2:
314     return False
315     swi.swi('URI_Dispatch', '0s0', self.url)
316     return True
317    
318    
319     def try_detail(feed_or_item, detail_name):
320     if detail_name not in feed_or_item:
321     return ''
322     return read_detail(feed_or_item[detail_name])
323    
324    
325     def read_detail(detail):
326     if detail['type'] == 'text/plain':
327     t = detail['value']
328     elif detail['type'] == 'text/html':
329     t = remove_html(detail['value'])
330     else:
331     t = ''
332     return ' '.join(t.split())
333    
334    
335     def remove_html(s):
336     return ''.join(map(lambda z: z[-1],
337     map(lambda z: z.split('>'),
338     s.split('<'))))
339    
340    
341     def load_choices():
342     try:
343     f = open('Choices:Sargasso.Feeds')
344     except IOError:
345     return
346     for line in f:
347     sargasso.add_feed(line[:-1])
348    
349    
350     def save_choices():
351     os.mkdir('<Choices$Write>.Sargasso')
352     try:
353     f = open('<Choices$Write>.Sargasso.Feeds', 'w')
354     except IOError:
355     return
356     for feed in sargasso.feeds:
357     f.write(feed.url + '\n')
358     f.close()
359    
360    
361     class AddFeedBox(wimp.window):
362    
363     def click(self, icon, buttons, x, y, sx, sy):
364     if icon == 2:
365     self.close()
366     return True
367     elif icon == 1:
368     url = self.icon_text(0)
369     scheme, host, path, params, query, fragment = urlparse.urlparse(url)
370     if scheme != 'http':
371     wimp.warning(wimp.lookup('http'))
372     return True
373     sargasso.add_feed(url)
374     sargasso.feeds[-1].last_status = sargasso.feeds[-1].status
375     sargasso.feeds[-1].window = wimp.window('main')
376     save_choices()
377     self.close()
378     return True
379     return False
380    
381     def key(self, icon, key):
382     if key == 0x1b:
383     self.close()
384     elif key == 0xd:
385     self.click(1, 0, 0, 0, 0, 0)
386     else:
387     wimp.window.key(self, icon, key)

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