X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=youtube-dl;a=blobdiff_plain;f=youtube_dl%2Futils.py;h=c67f95ac96901bdbd83d7c290fb98ecf3fb4e944;hp=84aaac6643a2a9df59bfbeee941ad33faf53eec8;hb=c89267d31ad99eb5b1a87cd354de5280a2a087b1;hpb=7552f96352f35cd877e52fd0770b77ba1856fc62

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 84aaac664..c67f95ac9 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -11,6 +11,7 @@ import contextlib
 import ctypes
 import datetime
 import email.utils
+import email.header
 import errno
 import functools
 import gzip
@@ -421,8 +422,8 @@ def clean_html(html):
 
     # Newline vs <br />
     html = html.replace('\n', ' ')
-    html = re.sub(r'\s*<\s*br\s*/?\s*>\s*', '\n', html)
-    html = re.sub(r'<\s*/\s*p\s*>\s*<\s*p[^>]*>', '\n', html)
+    html = re.sub(r'(?u)\s*<\s*br\s*/?\s*>\s*', '\n', html)
+    html = re.sub(r'(?u)<\s*/\s*p\s*>\s*<\s*p[^>]*>', '\n', html)
     # Strip html tags
     html = re.sub('<.*?>', '', html)
     # Replace html entities
@@ -1194,6 +1195,11 @@ def unified_timestamp(date_str, day_first=True):
     # Remove AM/PM + timezone
     date_str = re.sub(r'(?i)\s*(?:AM|PM)(?:\s+[A-Z]+)?', '', date_str)
 
+    # Remove unrecognized timezones from ISO 8601 alike timestamps
+    m = re.search(r'\d{1,2}:\d{1,2}(?:\.\d+)?(?P<tz>\s*[A-Z]+)$', date_str)
+    if m:
+        date_str = date_str[:-len(m.group('tz'))]
+
     for expression in date_formats(day_first):
         try:
             dt = datetime.datetime.strptime(date_str, expression) - timezone + datetime.timedelta(hours=pm_delta)
@@ -2092,6 +2098,58 @@ def update_Request(req, url=None, data=None, headers={}, query={}):
     return new_req
 
 
+def try_multipart_encode(data, boundary):
+    content_type = 'multipart/form-data; boundary=%s' % boundary
+
+    out = b''
+    for k, v in data.items():
+        out += b'--' + boundary.encode('ascii') + b'\r\n'
+        if isinstance(k, compat_str):
+            k = k.encode('utf-8')
+        if isinstance(v, compat_str):
+            v = v.encode('utf-8')
+        # RFC 2047 requires non-ASCII field names to be encoded, while RFC 7578
+        # suggests sending UTF-8 directly. Firefox sends UTF-8, too
+        content = b'Content-Disposition: form-data; name="%s"\r\n\r\n' % k + v + b'\r\n'
+        if boundary.encode('ascii') in content:
+            raise ValueError('Boundary overlaps with data')
+        out += content
+
+    out += b'--' + boundary.encode('ascii') + b'--\r\n'
+
+    return out, content_type
+
+
+def multipart_encode(data, boundary=None):
+    '''
+    Encode a dict to RFC 7578-compliant form-data
+
+    data:
+        A dict where keys and values can be either Unicode or bytes-like
+        objects.
+    boundary:
+        If specified a Unicode object, it's used as the boundary. Otherwise
+        a random boundary is generated.
+
+    Reference: https://tools.ietf.org/html/rfc7578
+    '''
+    has_specified_boundary = boundary is not None
+
+    while True:
+        if boundary is None:
+            boundary = '---------------' + str(random.randrange(0x0fffffff, 0xffffffff))
+
+        try:
+            out, content_type = try_multipart_encode(data, boundary)
+            break
+        except ValueError:
+            if has_specified_boundary:
+                raise
+            boundary = None
+
+    return out, content_type
+
+
 def dict_get(d, key_or_keys, default=None, skip_false_values=True):
     if isinstance(key_or_keys, (list, tuple)):
         for key in key_or_keys:
@@ -2103,13 +2161,16 @@ def dict_get(d, key_or_keys, default=None, skip_false_values=True):
 
 
 def try_get(src, getter, expected_type=None):
-    try:
-        v = getter(src)
-    except (AttributeError, KeyError, TypeError, IndexError):
-        pass
-    else:
-        if expected_type is None or isinstance(v, expected_type):
-            return v
+    if not isinstance(getter, (list, tuple)):
+        getter = [getter]
+    for get in getter:
+        try:
+            v = get(src)
+        except (AttributeError, KeyError, TypeError, IndexError):
+            pass
+        else:
+            if expected_type is None or isinstance(v, expected_type):
+                return v
 
 
 def encode_compat_str(string, encoding=preferredencoding(), errors='strict'):
@@ -2270,10 +2331,8 @@ def mimetype2ext(mt):
     return {
         '3gpp': '3gp',
         'smptett+xml': 'tt',
-        'srt': 'srt',
         'ttaf+xml': 'dfxp',
         'ttml+xml': 'ttml',
-        'vtt': 'vtt',
         'x-flv': 'flv',
         'x-mp4-fragmented': 'mp4',
         'x-ms-wmv': 'wmv',
@@ -2281,11 +2340,11 @@ def mimetype2ext(mt):
         'x-mpegurl': 'm3u8',
         'vnd.apple.mpegurl': 'm3u8',
         'dash+xml': 'mpd',
-        'f4m': 'f4m',
         'f4m+xml': 'f4m',
         'hds+xml': 'f4m',
         'vnd.ms-sstr+xml': 'ism',
         'quicktime': 'mov',
+        'mp2t': 'ts',
     }.get(res, res)
 
 
@@ -2508,27 +2567,97 @@ def srt_subtitles_timecode(seconds):
 
 
 def dfxp2srt(dfxp_data):
+    LEGACY_NAMESPACES = (
+        ('http://www.w3.org/ns/ttml', [
+            'http://www.w3.org/2004/11/ttaf1',
+            'http://www.w3.org/2006/04/ttaf1',
+            'http://www.w3.org/2006/10/ttaf1',
+        ]),
+        ('http://www.w3.org/ns/ttml#styling', [
+            'http://www.w3.org/ns/ttml#style',
+        ]),
+    )
+
+    SUPPORTED_STYLING = [
+        'color',
+        'fontFamily',
+        'fontSize',
+        'fontStyle',
+        'fontWeight',
+        'textDecoration'
+    ]
+
     _x = functools.partial(xpath_with_ns, ns_map={
         'ttml': 'http://www.w3.org/ns/ttml',
-        'ttaf1': 'http://www.w3.org/2006/10/ttaf1',
-        'ttaf1_0604': 'http://www.w3.org/2006/04/ttaf1',
+        'tts': 'http://www.w3.org/ns/ttml#styling',
     })
 
+    styles = {}
+    default_style = {}
+
     class TTMLPElementParser(object):
-        out = ''
+        _out = ''
+        _unclosed_elements = []
+        _applied_styles = []
 
         def start(self, tag, attrib):
-            if tag in (_x('ttml:br'), _x('ttaf1:br'), 'br'):
-                self.out += '\n'
+            if tag in (_x('ttml:br'), 'br'):
+                self._out += '\n'
+            else:
+                unclosed_elements = []
+                style = {}
+                element_style_id = attrib.get('style')
+                if default_style:
+                    style.update(default_style)
+                if element_style_id:
+                    style.update(styles.get(element_style_id, {}))
+                for prop in SUPPORTED_STYLING:
+                    prop_val = attrib.get(_x('tts:' + prop))
+                    if prop_val:
+                        style[prop] = prop_val
+                if style:
+                    font = ''
+                    for k, v in sorted(style.items()):
+                        if self._applied_styles and self._applied_styles[-1].get(k) == v:
+                            continue
+                        if k == 'color':
+                            font += ' color="%s"' % v
+                        elif k == 'fontSize':
+                            font += ' size="%s"' % v
+                        elif k == 'fontFamily':
+                            font += ' face="%s"' % v
+                        elif k == 'fontWeight' and v == 'bold':
+                            self._out += '<b>'
+                            unclosed_elements.append('b')
+                        elif k == 'fontStyle' and v == 'italic':
+                            self._out += '<i>'
+                            unclosed_elements.append('i')
+                        elif k == 'textDecoration' and v == 'underline':
+                            self._out += '<u>'
+                            unclosed_elements.append('u')
+                    if font:
+                        self._out += '<font' + font + '>'
+                        unclosed_elements.append('font')
+                    applied_style = {}
+                    if self._applied_styles:
+                        applied_style.update(self._applied_styles[-1])
+                    applied_style.update(style)
+                    self._applied_styles.append(applied_style)
+                self._unclosed_elements.append(unclosed_elements)
 
         def end(self, tag):
-            pass
+            if tag not in (_x('ttml:br'), 'br'):
+                unclosed_elements = self._unclosed_elements.pop()
+                for element in reversed(unclosed_elements):
+                    self._out += '</%s>' % element
+                if unclosed_elements and self._applied_styles:
+                    self._applied_styles.pop()
 
         def data(self, data):
-            self.out += data
+            self._out += data
 
         def close(self):
-            return self.out.strip()
+            return self._out.strip()
 
     def parse_node(node):
         target = TTMLPElementParser()
@@ -2536,13 +2665,45 @@ def dfxp2srt(dfxp_data):
         parser.feed(xml.etree.ElementTree.tostring(node))
         return parser.close()
 
+    for k, v in LEGACY_NAMESPACES:
+        for ns in v:
+            dfxp_data = dfxp_data.replace(ns, k)
+
     dfxp = compat_etree_fromstring(dfxp_data.encode('utf-8'))
     out = []
-    paras = dfxp.findall(_x('.//ttml:p')) or dfxp.findall(_x('.//ttaf1:p')) or dfxp.findall(_x('.//ttaf1_0604:p')) or dfxp.findall('.//p')
+    paras = dfxp.findall(_x('.//ttml:p')) or dfxp.findall('.//p')
 
     if not paras:
         raise ValueError('Invalid dfxp/TTML subtitle')
 
+    repeat = False
+    while True:
+        for style in dfxp.findall(_x('.//ttml:style')):
+            style_id = style.get('id')
+            parent_style_id = style.get('style')
+            if parent_style_id:
+                if parent_style_id not in styles:
+                    repeat = True
+                    continue
+                styles[style_id] = styles[parent_style_id].copy()
+            for prop in SUPPORTED_STYLING:
+                prop_val = style.get(_x('tts:' + prop))
+                if prop_val:
+                    styles.setdefault(style_id, {})[prop] = prop_val
+        if repeat:
+            repeat = False
+        else:
+            break
+
+    for p in ('body', 'div'):
+        ele = xpath_element(dfxp, [_x('.//ttml:' + p), './/' + p])
+        if ele is None:
+            continue
+        style = styles.get(ele.get('style'))
+        if not style:
+            continue
+        default_style.update(style)
+
     for para, index in zip(paras, itertools.count(1)):
         begin_time = parse_dfxp_time_expr(para.attrib.get('begin'))
         end_time = parse_dfxp_time_expr(para.attrib.get('end'))
@@ -3862,3 +4023,10 @@ class PhantomJSwrapper(object):
 
         return (html, encodeArgument(out))
 
+
+def random_birthday(year_field, month_field, day_field):
+    return {
+        year_field: str(random.randint(1950, 1995)),
+        month_field: str(random.randint(1, 12)),
+        day_field: str(random.randint(1, 31)),
+    }