commit 437d76c19a98dcc965fdf0e92356f54e5569a565
parent a1cab7cead8554913ba3d0362b3d6fb11c8c7f90
Author: Philipp Hagemeister <phihag@phihag.de>
Date: Sun, 10 Jul 2011 17:31:54 +0200
blip.tv support for python 2.5 with trivialjson
Diffstat:
| M | youtube-dl | | | 123 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------ |
1 file changed, 115 insertions(+), 8 deletions(-)
diff --git a/youtube-dl b/youtube-dl
@@ -7,10 +7,9 @@
# Author: Witold Baryluk
# Author: Paweł Paprota
# Author: Gergely Imreh
+# Author: Philipp Hagemeister <phihag@phihag.de>
# License: Public domain code
-
from __future__ import with_statement
-
import contextlib
import cookielib
import ctypes
@@ -36,11 +35,6 @@ import warnings
import zlib
try:
- import json
-except ImportError:
- warnings.warn('No JSON support (TODO: insert trivialjson here)')
-
-try:
import cStringIO as StringIO
except ImportError:
import StringIO
@@ -66,6 +60,119 @@ std_headers = {
simple_title_chars = string.ascii_letters.decode('ascii') + string.digits.decode('ascii')
+try:
+ import json
+except ImportError: # Python <2.5, use trivialjson (https://github.com/phihag/trivialjson):
+ import re
+ class json(object):
+ @staticmethod
+ def loads(s):
+ s = s.decode('UTF-8')
+ def raiseError(msg, i):
+ raise ValueError(msg + ' at position ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]))
+ def skipSpace(i, expectMore=True):
+ while i < len(s) and s[i] in ' \t\r\n':
+ i += 1
+ if expectMore:
+ if i >= len(s):
+ raiseError('Premature end', i)
+ return i
+ def decodeEscape(match):
+ esc = match.group(1)
+ _STATIC = {
+ '"': '"',
+ '\\': '\\',
+ '/': '/',
+ 'b': unichr(0x8),
+ 'f': unichr(0xc),
+ 'n': '\n',
+ 'r': '\r',
+ 't': '\t',
+ }
+ if esc in _STATIC:
+ return _STATIC[esc]
+ if esc[0] == 'u':
+ if len(esc) == 1+4:
+ return unichr(int(esc[1:5], 16))
+ if len(esc) == 5+6 and esc[5:7] == '\\u':
+ hi = int(esc[1:5], 16)
+ low = int(esc[7:11], 16)
+ return unichr((hi - 0xd800) * 0x400 + low - 0xdc00 + 0x10000)
+ raise ValueError('Unknown escape ' + str(esc))
+ def parseString(i):
+ i += 1
+ e = i
+ while True:
+ e = s.index('"', e)
+ bslashes = 0
+ while s[e-bslashes-1] == '\\':
+ bslashes += 1
+ if bslashes % 2 == 1:
+ e += 1
+ continue
+ break
+ rexp = re.compile(r'\\(u[dD][89aAbB][0-9a-fA-F]{2}\\u[0-9a-fA-F]{4}|u[0-9a-fA-F]{4}|.|$)')
+ stri = rexp.sub(decodeEscape, s[i:e])
+ return (e+1,stri)
+ def parseObj(i):
+ i += 1
+ res = {}
+ i = skipSpace(i)
+ if s[i] == '}': # Empty dictionary
+ return (i+1,res)
+ while True:
+ if s[i] != '"':
+ raiseError('Expected a string object key', i)
+ i,key = parseString(i)
+ i = skipSpace(i)
+ if i >= len(s) or s[i] != ':':
+ raiseError('Expected a colon', i)
+ i,val = parse(i+1)
+ res[key] = val
+ i = skipSpace(i)
+ if s[i] == '}':
+ return (i+1, res)
+ if s[i] != ',':
+ raiseError('Expected comma or closing curly brace', i)
+ i = skipSpace(i+1)
+ def parseArray(i):
+ res = []
+ i = skipSpace(i+1)
+ if s[i] == ']': # Empty array
+ return (i+1,res)
+ while True:
+ i,val = parse(i)
+ res.append(val)
+ i = skipSpace(i) # Raise exception if premature end
+ if s[i] == ']':
+ return (i+1, res)
+ if s[i] != ',':
+ raiseError('Expected a comma or closing bracket', i)
+ i = skipSpace(i+1)
+ def parseDiscrete(i):
+ for k,v in {'true': True, 'false': False, 'null': None}.items():
+ if s.startswith(k, i):
+ return (i+len(k), v)
+ raiseError('Not a boolean (or null)', i)
+ def parseNumber(i):
+ mobj = re.match('^(-?(0|[1-9][0-9]*)(\.[0-9]*)?([eE][+-]?[0-9]+)?)', s[i:])
+ if mobj is None:
+ raiseError('Not a number', i)
+ nums = mobj.group(1)
+ if '.' in nums or 'e' in nums or 'E' in nums:
+ return (i+len(nums), float(nums))
+ return (i+len(nums), int(nums))
+ CHARMAP = {'{': parseObj, '[': parseArray, '"': parseString, 't': parseDiscrete, 'f': parseDiscrete, 'n': parseDiscrete}
+ def parse(i):
+ i = skipSpace(i)
+ i,res = CHARMAP.get(s[i], parseNumber)(i)
+ i = skipSpace(i, False)
+ return (i,res)
+ i,res = parse(0)
+ if i < len(s):
+ raise ValueError('Extra data at end of input (index ' + str(i) + ' of ' + repr(s) + ': ' + repr(s[i:]) + ')')
+ return res
+
def preferredencoding():
"""Get preferred encoding.
@@ -2831,7 +2938,7 @@ if __name__ == '__main__':
# Parse command line
parser = optparse.OptionParser(
usage='Usage: %prog [options] url...',
- version='2011.03.29',
+ version='2011.07.09-phihag',
conflict_handler='resolve',
)
