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
|
#! /usr/bin/env python
#-*- coding: utf-8 -*-
# pyAggr3g470r - A Web based news aggregator.
# Copyright (C) 2010-2015 Cédric Bonhomme - https://www.cedricbonhomme.org
#
# For more information : https://bitbucket.org/cedricbonhomme/pyaggr3g470r/
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
__author__ = "Cedric Bonhomme"
__version__ = "$Revision: 0.6 $"
__date__ = "$Date: 2011/10/24 $"
__revision__ = "$Date: 2014/04/12 $"
__copyright__ = "Copyright (c) Cedric Bonhomme"
__license__ = "AGPLv3"
#
# This file contains the export functions of pyAggr3g470r. Indeed
# it is possible to export the database of articles in different formats:
# - simple HTML webzine;
# - text file.
#
import os
import shutil
import time
import tarfile
from datetime import datetime
from flask import jsonify
import conf
from pyaggr3g470r import models
def HTML_HEADER(title="pyAggr3g470r", css="./style.css"):
return """<!DOCTYPE html>
<html lang="en-US">
<head>
<title>%s</title>
<meta charset="utf-8"/>
<link rel="stylesheet" href="%s" />
</head>
<body>""" % (title, css)
HTML_FOOTER = """<hr />
<p>This archive has been generated with
<a href="https://bitbucket.org/cedricbonhomme/pyaggr3g470r">pyAggr3g470r</a>.
A software under AGPLv3 license.
You are welcome to copy, modify or redistribute the source code according to the
<a href="https://www.gnu.org/licenses/agpl-3.0.txt">AGPLv3</a> license.</p>
</body>
</html>
"""
CSS = """body {
font:normal medium 'Gill Sans','Gill Sans MT',Verdana,sans-serif;
margin:1.20em auto;
width:80%;
line-height:1.75;
}
blockquote {
font-size:small;
line-height:2.153846;
margin:2.153846em 0;
padding:0;font-style:oblique;
border-left:1px dotted;
margin-left:2.153846em;
padding-left:2.153846em;
}
blockquote p{
margin:2.153846em 0;
}
p+br {
display:none;
}
h1 {
font-size:large;
}
h2,h3 {
font-size:medium;
}
hr {
border-style:dotted;
height:1px;
border-width: 1px 0 0 0;
margin:1.45em 0 1.4em;
padding:0;
}
a {
text-decoration:none;
color:#00008B;
}
#footer {
clear:both;
text-align:center;
font-size:small;
}
img {
border:0;
}
.horizontal,.simple li {
margin:0;
padding:0;
list-style:none;
display:inline
}
.simple li:before {
content:"+ ";
}
.simple > li:first-child:before {
content:"";
}
.author {
text-decoration:none;
display:block;
float:right;
margin-left:2em;
font-size:small;
}
.content {
margin:1.00em 1.00em;
}"""
def export_html(user):
"""
Export all articles of 'user' in Web pages.
"""
webzine_root = conf.WEBZINE_ROOT + "webzine/"
nb_articles = format(len(models.Article.query.filter(models.Article.user_id == user.id).all()), ",d")
index = HTML_HEADER("News archive")
index += "<h1>List of feeds</h1>\n"
index += """<p>%s articles.</p>\n<ul>\n""" % (nb_articles,)
for feed in user.feeds.order_by(models.Feed.title):
# creates a folder for each stream
feed_folder = webzine_root + str(feed.id)
try:
os.makedirs(feed_folder)
except OSError:
# directories already exists (not a problem)
pass
index += """ <li><a href="%s">%s</a></li>\n""" % (feed.id, feed.title)
posts = HTML_HEADER(feed.title, "../style.css")
posts += """<h1>Articles of the feed <a href="%s">%s</a></h1>\n""" % (feed.site_link, feed.title)
posts += """<p>%s articles.</p>\n""" % (format(len(feed.articles.all()), ",d"),)
for article in feed.articles:
post_file_name = os.path.normpath(feed_folder + "/" + str(article.id) + ".html")
feed_index = os.path.normpath(feed_folder + "/index.html")
posts += article.date.ctime() + " - " + """<a href="./%s.html">%s</a>""" % \
(article.id, article.title[:150]) + "<br />\n"
a_post = HTML_HEADER(article.title, "../style.css")
a_post += '<div style="width:60%; overflow:hidden; text-align:justify; margin:0 auto">\n'
a_post += """<h1><a href="%s">%s</a></h1>\n<br />""" % \
(article.link, article.title)
a_post += article.content
a_post += "</div>\n<hr />\n"
a_post += """<br />\n<a href="%s">Complete story</a>\n<br />\n""" % (article.link,)
a_post += HTML_FOOTER
with open(post_file_name, "w") as f:
f.write(a_post)
posts += HTML_FOOTER
if len(feed.articles.all()) != 0:
with open(feed_index, "w") as f:
f.write(posts)
index += "</ul>\n"
index += "<p>" + time.strftime("Generated on %d %b %Y at %H:%M.") + "</p>\n"
index += HTML_FOOTER
with open(webzine_root + "index.html", "w") as f:
f.write(index)
with open(webzine_root + "style.css", "w") as f:
f.write(CSS)
archive_file_name = datetime.now().strftime('%Y-%m-%d') + '.tar.gz'
with tarfile.open(conf.WEBZINE_ROOT + archive_file_name, "w:gz") as tar:
tar.add(webzine_root, arcname=os.path.basename(webzine_root))
shutil.rmtree(webzine_root)
with open(conf.WEBZINE_ROOT + archive_file_name, 'rb') as export_file:
return export_file.read(), archive_file_name
def export_json(user):
"""
Export all articles of 'user' in JSON.
"""
result = []
for feed in user.feeds:
result.append({
"title": feed.title,
"description": feed.description,
"link": feed.link,
"site_link": feed.site_link,
"enabled": feed.enabled,
"created_date": feed.created_date.strftime('%s'),
"articles": [ {
"title": article.title,
"link": article.link,
"content": article.content,
"readed": article.readed,
"like": article.like,
"date": article.date.strftime('%s'),
"retrieved_date": article.retrieved_date.strftime('%s')
}
for article in feed.articles
]
})
return jsonify(result=result)
|
