--HG--

branch : pmacs2

mode/mp3.py

@@ -0,0 +1,113 @@
+import commands, dirutil, grp, mailbox, method, mode, os.path, pwd, re, sys
+import buffer, default, window
+from mode.mutt import MuttGrammar
+from lex import Grammar, PatternRule, RegionRule, PatternGroupRule
+from point import Point
+from buffer import Buffer
+from method import Method, Argument, arg
+
+try:
+    import eyeD3
+    has_eyed3 = True
+except ImportError:
+    has_eyed3 = False
+
+def _str_info(s):
+    if s:
+        return str(s)
+    else:
+        return ''
+def _num_pair_info(t):
+    if t[0] and t[1]:
+        return '%s/%s' % t
+    elif t[0]:
+        return str(t[0])
+    elif t[1]:
+        return '/%s' % t[1]
+    else:
+        return ''
+class Mp3Buffer(Buffer):
+    btype = 'mp3'
+    def __init__(self, path):
+        Buffer.__init__(self)
+        self.path = os.path.realpath(path)
+        self.base = os.path.basename(self.path)
+        self.tag = eyeD3.Tag()
+        self.tag.link(self.path)
+    def changed(self): return False
+    def readonly(self): return True
+    def path_exists(self): raise Exception
+    def _make_path(self, name): raise Exception
+    def save(self, force=False): raise Exception, "can't save an mbox"
+    def save_as(self, path): raise Exception, "can't save an mbox"
+    def name(self): return 'mp3:%s' % (self.base)
+    def open(self):
+        self.lines = self._get_lines()
+    def reload(self):
+        lines = self._get_lines()
+        self.set_lines(lines, force=True)
+    def _get_lines(self):
+        lines = [
+            '# INFO',
+            'Size: 666KB',
+            '# ID3',
+            'Artist: ' + _str_info(self.tag.getArtist()),
+            'Album: ' + _str_info(self.tag.getAlbum()),
+            'BPM: ' + _str_info(self.tag.getBPM()),
+            #'CDID: ' + str(self.tag.getCDID()), #xyz
+            'Comment: ' + _str_info(self.tag.getComment()),
+            'DiscNum: ' + _num_pair_info(self.tag.getDiscNum()),
+            'Genre: ' + _str_info(self.tag.getGenre()),
+            'Publisher: ' + _str_info(self.tag.getPublisher()),
+            'Title: ' + _str_info(self.tag.getTitle()),
+            'TrackNum: ' + _num_pair_info(self.tag.getTrackNum()),
+            #'Version: ' + _str_info(self.tag.getVersion()),
+            'Year: ' + _str_info(self.tag.getYear()),
+            '',
+        ]
+        return lines
+
+class TagGrammar(Grammar):
+    rules = [
+        PatternRule(r'data', r'[^\\\n]+'),
+        PatternRule(r'escaped', r'\\x[0-9a-fA-F]{2}'),
+    ]
+class Mp3Grammar(Grammar):
+    rules = [
+        PatternRule(r'comment', r'#.*\n$'),
+        PatternRule(r'mp3_label', r'^[^:]+(?=: )'),
+        RegionRule(r'mp3_tag', r': ', TagGrammar, r'\n$'),
+    ]
+
+class Mp3Refresh(Method):
+    def _execute(self, w, **vargs):
+        w.buffer.reload()
+
+class Mp3OpenPath(Method):
+    args = [arg('mp3', dt="path", p="Open MP3: ", dv=default.path_dirname,
+                ld=True, h="mp3 to open")]
+    def _execute(self, w, **vargs):
+        b = Mp3Buffer(vargs['mp3'])
+        b.open()
+        window.Window(b, w.application, height=0, width=0, mode_name='mp3')
+        w.application.add_buffer(b)
+        w.application.switch_buffer(b)
+
+class Mp3(mode.Fundamental):
+    modename = 'Mp3'
+    grammar  = Mp3Grammar
+    actions  = [Mp3Refresh, Mp3OpenPath]
+    colors   = {
+        'mp3_label':       ('blue', 'default', 'bold'),
+        'mp3_tag.start':   ('default', 'default', 'bold'),
+        'mp3_tag.data':    ('green', 'default', 'bold'),
+        'mp3_tag.escaped': ('magenta', 'default', 'bold'),
+    }
+    def __init__(self, w):
+        mode.Fundamental.__init__(self, w)
+        self.add_bindings('mp3-refresh', ('C-c r',))
+
+if has_eyed3:
+    install = Mp3.install
+else:
+    install = lambda *args: None