mirror of
https://source.netsyms.com/Mirrors/youtube-dl
synced 2024-11-03 03:40:20 +00:00
moved trivialjson to a separate file
This commit is contained in:
Filippo Valsorda - Campagna
parent
c6306eb798
commit
e179aadfdf
@ -17,6 +17,11 @@ try:
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except ImportError:
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import StringIO
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try:
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import json
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except ImportError: # Python <2.6, use trivialjson (https://github.com/phihag/trivialjson):
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import trivialjson as json
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std_headers = {
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'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:5.0.1) Gecko/20100101 Firefox/5.0.1',
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'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
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@ -260,116 +265,3 @@ class YoutubeDLHandler(urllib2.HTTPHandler):
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resp = self.addinfourl_wrapper(gz, old_resp.headers, old_resp.url, old_resp.code)
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resp.msg = old_resp.msg
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return resp
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try:
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import json
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except ImportError: # Python <2.6, use trivialjson (https://github.com/phihag/trivialjson):
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import re
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class json(object):
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@staticmethod
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def loads(s):
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s = s.decode('UTF-8')
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def raiseError(msg, i):
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raise ValueError(msg + ' at position ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]))
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def skipSpace(i, expectMore=True):
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while i < len(s) and s[i] in ' \t\r\n':
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i += 1
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if expectMore:
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if i >= len(s):
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raiseError('Premature end', i)
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return i
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def decodeEscape(match):
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esc = match.group(1)
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_STATIC = {
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'"': '"',
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'\\': '\\',
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'/': '/',
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'b': unichr(0x8),
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'f': unichr(0xc),
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'n': '\n',
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'r': '\r',
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't': '\t',
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}
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if esc in _STATIC:
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return _STATIC[esc]
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if esc[0] == 'u':
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if len(esc) == 1+4:
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return unichr(int(esc[1:5], 16))
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if len(esc) == 5+6 and esc[5:7] == '\\u':
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hi = int(esc[1:5], 16)
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low = int(esc[7:11], 16)
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return unichr((hi - 0xd800) * 0x400 + low - 0xdc00 + 0x10000)
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raise ValueError('Unknown escape ' + str(esc))
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def parseString(i):
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i += 1
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e = i
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while True:
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e = s.index('"', e)
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bslashes = 0
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while s[e-bslashes-1] == '\\':
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bslashes += 1
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if bslashes % 2 == 1:
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e += 1
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continue
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break
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rexp = re.compile(r'\\(u[dD][89aAbB][0-9a-fA-F]{2}\\u[0-9a-fA-F]{4}|u[0-9a-fA-F]{4}|.|$)')
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stri = rexp.sub(decodeEscape, s[i:e])
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return (e+1,stri)
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def parseObj(i):
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i += 1
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res = {}
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i = skipSpace(i)
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if s[i] == '}': # Empty dictionary
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return (i+1,res)
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while True:
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if s[i] != '"':
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raiseError('Expected a string object key', i)
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i,key = parseString(i)
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i = skipSpace(i)
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if i >= len(s) or s[i] != ':':
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raiseError('Expected a colon', i)
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i,val = parse(i+1)
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res[key] = val
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i = skipSpace(i)
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if s[i] == '}':
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return (i+1, res)
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if s[i] != ',':
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raiseError('Expected comma or closing curly brace', i)
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i = skipSpace(i+1)
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def parseArray(i):
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res = []
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i = skipSpace(i+1)
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if s[i] == ']': # Empty array
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return (i+1,res)
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while True:
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i,val = parse(i)
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res.append(val)
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i = skipSpace(i) # Raise exception if premature end
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if s[i] == ']':
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return (i+1, res)
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if s[i] != ',':
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raiseError('Expected a comma or closing bracket', i)
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i = skipSpace(i+1)
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def parseDiscrete(i):
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for k,v in {'true': True, 'false': False, 'null': None}.items():
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if s.startswith(k, i):
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return (i+len(k), v)
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raiseError('Not a boolean (or null)', i)
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def parseNumber(i):
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mobj = re.match('^(-?(0|[1-9][0-9]*)(\.[0-9]*)?([eE][+-]?[0-9]+)?)', s[i:])
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if mobj is None:
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raiseError('Not a number', i)
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nums = mobj.group(1)
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if '.' in nums or 'e' in nums or 'E' in nums:
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return (i+len(nums), float(nums))
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return (i+len(nums), int(nums))
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CHARMAP = {'{': parseObj, '[': parseArray, '"': parseString, 't': parseDiscrete, 'f': parseDiscrete, 'n': parseDiscrete}
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def parse(i):
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i = skipSpace(i)
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i,res = CHARMAP.get(s[i], parseNumber)(i)
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i = skipSpace(i, False)
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return (i,res)
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i,res = parse(0)
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if i < len(s):
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raise ValueError('Extra data at end of input (index ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]) + ')')
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return res
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109
youtube_dl/trivialjson.py
Normal file
109
youtube_dl/trivialjson.py
Normal file
@ -0,0 +1,109 @@
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"""trivialjson (https://github.com/phihag/trivialjson)"""
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import re
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def loads(s):
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s = s.decode('UTF-8')
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def raiseError(msg, i):
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raise ValueError(msg + ' at position ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]))
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def skipSpace(i, expectMore=True):
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while i < len(s) and s[i] in ' \t\r\n':
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i += 1
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if expectMore:
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if i >= len(s):
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raiseError('Premature end', i)
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return i
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def decodeEscape(match):
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esc = match.group(1)
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_STATIC = {
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'"': '"',
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'\\': '\\',
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'/': '/',
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'b': unichr(0x8),
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'f': unichr(0xc),
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'n': '\n',
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'r': '\r',
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't': '\t',
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}
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if esc in _STATIC:
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return _STATIC[esc]
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if esc[0] == 'u':
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if len(esc) == 1+4:
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return unichr(int(esc[1:5], 16))
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if len(esc) == 5+6 and esc[5:7] == '\\u':
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hi = int(esc[1:5], 16)
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low = int(esc[7:11], 16)
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return unichr((hi - 0xd800) * 0x400 + low - 0xdc00 + 0x10000)
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raise ValueError('Unknown escape ' + str(esc))
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def parseString(i):
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i += 1
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e = i
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while True:
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e = s.index('"', e)
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bslashes = 0
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while s[e-bslashes-1] == '\\':
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bslashes += 1
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if bslashes % 2 == 1:
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e += 1
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continue
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break
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rexp = re.compile(r'\\(u[dD][89aAbB][0-9a-fA-F]{2}\\u[0-9a-fA-F]{4}|u[0-9a-fA-F]{4}|.|$)')
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stri = rexp.sub(decodeEscape, s[i:e])
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return (e+1,stri)
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def parseObj(i):
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i += 1
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res = {}
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i = skipSpace(i)
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if s[i] == '}': # Empty dictionary
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return (i+1,res)
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while True:
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if s[i] != '"':
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raiseError('Expected a string object key', i)
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i,key = parseString(i)
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i = skipSpace(i)
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if i >= len(s) or s[i] != ':':
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raiseError('Expected a colon', i)
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i,val = parse(i+1)
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res[key] = val
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i = skipSpace(i)
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if s[i] == '}':
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return (i+1, res)
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if s[i] != ',':
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raiseError('Expected comma or closing curly brace', i)
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i = skipSpace(i+1)
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def parseArray(i):
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res = []
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i = skipSpace(i+1)
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if s[i] == ']': # Empty array
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return (i+1,res)
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while True:
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i,val = parse(i)
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res.append(val)
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i = skipSpace(i) # Raise exception if premature end
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if s[i] == ']':
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return (i+1, res)
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if s[i] != ',':
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raiseError('Expected a comma or closing bracket', i)
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i = skipSpace(i+1)
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def parseDiscrete(i):
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for k,v in {'true': True, 'false': False, 'null': None}.items():
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if s.startswith(k, i):
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return (i+len(k), v)
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raiseError('Not a boolean (or null)', i)
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def parseNumber(i):
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mobj = re.match('^(-?(0|[1-9][0-9]*)(\.[0-9]*)?([eE][+-]?[0-9]+)?)', s[i:])
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if mobj is None:
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raiseError('Not a number', i)
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nums = mobj.group(1)
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if '.' in nums or 'e' in nums or 'E' in nums:
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return (i+len(nums), float(nums))
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return (i+len(nums), int(nums))
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CHARMAP = {'{': parseObj, '[': parseArray, '"': parseString, 't': parseDiscrete, 'f': parseDiscrete, 'n': parseDiscrete}
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def parse(i):
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i = skipSpace(i)
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i,res = CHARMAP.get(s[i], parseNumber)(i)
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i = skipSpace(i, False)
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return (i,res)
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i,res = parse(0)
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if i < len(s):
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raise ValueError('Extra data at end of input (index ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]) + ')')
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return res
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