diff options
author | Tithen-Firion <Tithen-Firion@users.noreply.github.com> | 2017-05-04 11:00:06 +0200 |
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committer | GitHub <noreply@github.com> | 2017-05-04 11:00:06 +0200 |
commit | c89267d31ad99eb5b1a87cd354de5280a2a087b1 (patch) | |
tree | 8bb3b01cd088d0646089344bddd3d4ff272c0065 /youtube_dl/utils.py | |
parent | 7552f96352f35cd877e52fd0770b77ba1856fc62 (diff) | |
parent | 0c265486016b06342fb257966474ce591667aaff (diff) |
Merge branch 'master' into openload-phantomjs-method
Diffstat (limited to 'youtube_dl/utils.py')
-rw-r--r-- | youtube_dl/utils.py | 210 |
1 files changed, 189 insertions, 21 deletions
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)), + } |