add Cambridge Dictionary. fix #18

src/fastwq/service/dict/cambridge.py

@@ -0,0 +1,110 @@
+#-*- coding:utf-8 -*-
+from hashlib import sha1
+from ..base import WebService, export, register, with_styles, parse_html
+
+cambridge_download_mp3 = True
+
+@register([u'剑桥英英', u'Cambridge'])
+class Cambridge(WebService):
+
+    def __init__(self):
+        super(Cambridge, self).__init__()
+
+    def _get_content(self):
+        word = self.word.replace(' ', '_')
+        data = self.get_response(u"https://dictionary.cambridge.org/dictionary/english/{}".format(word))
+        soup = parse_html(data)
+        result = {
+            'pronunciation': {'AmE': '', 'BrE': '', 'AmEmp3': '', 'BrEmp3': ''},
+            'def': '',
+            'sams': '',
+        }
+
+        #页
+        element = soup.find('div', class_='entry-body__el clrd js-share-holder')
+        if element:
+            #音
+            header = element.find('div', class_='pos-header')
+            if header:
+                tags = header.find_all('span', class_='pron-info')
+                if tags:
+                    for tag in tags:
+                        reg = str(tag.find('span', class_='region').get_text()).decode('utf-8')
+                        pn = 'AmE' if reg=='us' else 'BrE'
+                        result['pronunciation'][pn] = str(tag.find('span', class_='pron').get_text()).decode('utf-8')
+                        snd = tag.find('span', class_='circle circle-btn sound audio_play_button')
+                        if snd:
+                            result['pronunciation'][pn+'mp3'] = u'https://dictionary.cambridge.org' + snd.get('data-src-mp3')
+            #义
+            body = element.find('div', class_='pos-body')
+            if body:
+                tags = body.find_all('div', class_='def-block pad-indent')
+                if tags:
+                    l = []
+                    for tag in tags:
+                        l.append(
+                            u'<li><span class="epp-xref">{0}</span>\
+                            <b class="def">{1}</b>\
+                            <div class="examp">{2}</div></li>'.format(
+                                str(tag.find('span', class_='def-info').get_text()).decode('utf-8'),
+                                str(tag.find('b', class_='def').get_text()).decode('utf-8'),
+                                str(tag.find('div', class_='examp emphasized').get_text()).decode('utf-8')
+                            )
+                        )
+                    result['def'] = u'<ul>' + u''.join(s for s in l) + u'</ul>'
+
+        return self.cache_this(result)
+
+    def _get_field(self, key, default=u''):
+        return self.cache_result(key) if self.cached(key) else self._get_content().get(key, default)
+    
+    @with_styles(need_wrap_css=True, cssfile='_cambridge.css')
+    def _css(self, val):
+        return val
+
+    @export('AME_PHON')
+    def fld_phonetic_us(self):
+        seg = self._get_field('pronunciation')
+        return seg.get('AmE', u'') if seg else u''
+
+    @export('BRE_PHON')
+    def fld_phonetic_uk(self):
+        seg = self._get_field('pronunciation')
+        return seg.get('BrE', u'') if seg else u''
+
+    def _fld_mp3(self, fld):
+        audio_url = self._get_field('pronunciation')[fld]
+        if cambridge_download_mp3 and audio_url:
+            filename = u'_cambridge_{}_.mp3'.format(self.word)
+            hex_digest = sha1(
+                self.word.encode('utf-8') if isinstance(self.word, unicode)
+                else self.word
+            ).hexdigest().lower()
+            assert len(hex_digest) == 40, "unexpected output from hash library"
+            filename = '.'.join([
+                '-'.join([
+                    self.unique.lower(
+                    ), hex_digest[:8], hex_digest[8:16],
+                    hex_digest[16:24], hex_digest[24:32], hex_digest[32:],
+                ]),
+                'mp3',
+            ])
+
+            if filename and self.net_download(filename, audio_url):
+                return self.get_anki_label(filename, 'audio')
+        return ''
+
+    @export('AME_PRON')
+    def fld_mp3_us(self):
+        return self._fld_mp3('AmEmp3')
+
+    @export('BRE_PRON')
+    def fld_mp3_uk(self):
+        return self._fld_mp3('BrEmp3')
+    
+    @export('DEF')
+    def fld_definition(self):
+        val = self._get_field('def')
+        if val == None or val == '':
+            return ''
+        return self._css(val)

src/fastwq/service/static/_cambridge.css

@@ -0,0 +1,24 @@
+.epp-xref {
+    margin-right: 3px;
+    padding: 2px 5px;
+    color: #fff;
+    font-weight: 700;
+    font-size: .8em;
+    min-width: 14px;
+    text-align: center;
+    background-color: #444;
+    border-radius: 8px;
+}
+
+b.def {
+    line-height: 1.3rem
+}
+
+.examp {
+    margin: 0 0 5px 0;
+    line-height: 1.5em;
+	font-weight: normal;
+    font-style: italic;
+    display: block;
+    margin: 0
+}