import struct
import subprocess
import sys
+import tempfile
import traceback
import xml.etree.ElementTree
import zlib
compat_subprocess_get_DEVNULL = lambda: open(os.path.devnull, 'w')
try:
- from urllib.parse import parse_qs as compat_parse_qs
-except ImportError: # Python 2
- # HACK: The following is the correct parse_qs implementation from cpython 3's stdlib.
- # Python 2's version is apparently totally broken
- def _unquote(string, encoding='utf-8', errors='replace'):
+ from urllib.parse import unquote as compat_urllib_parse_unquote
+except ImportError:
+ def compat_urllib_parse_unquote(string, encoding='utf-8', errors='replace'):
if string == '':
return string
res = string.split('%')
string += pct_sequence.decode(encoding, errors)
return string
+
+try:
+ from urllib.parse import parse_qs as compat_parse_qs
+except ImportError: # Python 2
+ # HACK: The following is the correct parse_qs implementation from cpython 3's stdlib.
+ # Python 2's version is apparently totally broken
+
def _parse_qsl(qs, keep_blank_values=False, strict_parsing=False,
encoding='utf-8', errors='replace'):
qs, _coerce_result = qs, unicode
continue
if len(nv[1]) or keep_blank_values:
name = nv[0].replace('+', ' ')
- name = _unquote(name, encoding=encoding, errors=errors)
+ name = compat_urllib_parse_unquote(
+ name, encoding=encoding, errors=errors)
name = _coerce_result(name)
value = nv[1].replace('+', ' ')
- value = _unquote(value, encoding=encoding, errors=errors)
+ value = compat_urllib_parse_unquote(
+ value, encoding=encoding, errors=errors)
value = _coerce_result(value)
r.append((name, value))
return r
assert type(s) == type(u'')
print(s)
-# In Python 2.x, json.dump expects a bytestream.
-# In Python 3.x, it writes to a character stream
-if sys.version_info < (3,0):
- def write_json_file(obj, fn):
- with open(fn, 'wb') as f:
- json.dump(obj, f)
-else:
- def write_json_file(obj, fn):
- with open(fn, 'w', encoding='utf-8') as f:
- json.dump(obj, f)
-if sys.version_info >= (2,7):
+def write_json_file(obj, fn):
+ """ Encode obj as JSON and write it to fn, atomically """
+
+ args = {
+ 'suffix': '.tmp',
+ 'prefix': os.path.basename(fn) + '.',
+ 'dir': os.path.dirname(fn),
+ 'delete': False,
+ }
+
+ # In Python 2.x, json.dump expects a bytestream.
+ # In Python 3.x, it writes to a character stream
+ if sys.version_info < (3, 0):
+ args['mode'] = 'wb'
+ else:
+ args.update({
+ 'mode': 'w',
+ 'encoding': 'utf-8',
+ })
+
+ tf = tempfile.NamedTemporaryFile(**args)
+
+ try:
+ with tf:
+ json.dump(obj, tf)
+ os.rename(tf.name, fn)
+ except:
+ try:
+ os.remove(tf.name)
+ except OSError:
+ pass
+ raise
+
+
+if sys.version_info >= (2, 7):
def find_xpath_attr(node, xpath, key, val):
""" Find the xpath xpath[@key=val] """
- assert re.match(r'^[a-zA-Z]+$', key)
- assert re.match(r'^[a-zA-Z0-9@\s:._]*$', val)
+ assert re.match(r'^[a-zA-Z-]+$', key)
+ assert re.match(r'^[a-zA-Z0-9@\s:._-]*$', val)
expr = xpath + u"[@%s='%s']" % (key, val)
return node.find(expr)
else:
'%b %dnd %Y %I:%M%p',
'%b %dth %Y %I:%M%p',
'%Y-%m-%d',
+ '%Y/%m/%d',
'%d.%m.%Y',
'%d/%m/%Y',
'%Y/%m/%d %H:%M:%S',
return upload_date
def determine_ext(url, default_ext=u'unknown_video'):
+ if url is None:
+ return default_ext
guess = url.partition(u'?')[0].rpartition(u'.')[2]
if re.match(r'^[A-Za-z0-9]+$', guess):
return guess
return u'%.2f%s' % (converted, suffix)
-def str_to_int(int_str):
- if int_str is None:
- return None
- int_str = re.sub(r'[,\.]', u'', int_str)
- return int(int_str)
-
-
def get_term_width():
columns = os.environ.get('COLUMNS', None)
if columns:
return "HEAD"
-def int_or_none(v, scale=1, default=None, get_attr=None):
+def int_or_none(v, scale=1, default=None, get_attr=None, invscale=1):
if get_attr:
if v is not None:
v = getattr(v, get_attr, None)
- return default if v is None else (int(v) // scale)
+ if v == '':
+ v = None
+ return default if v is None else (int(v) * invscale // scale)
-def float_or_none(v, scale=1, default=None):
- return default if v is None else (float(v) / scale)
+def str_or_none(v, default=None):
+ return default if v is None else compat_str(v)
+
+
+def str_to_int(int_str):
+ if int_str is None:
+ return None
+ int_str = re.sub(r'[,\.]', u'', int_str)
+ return int(int_str)
+
+
+def float_or_none(v, scale=1, invscale=1, default=None):
+ return default if v is None else (float(v) * invscale / scale)
def parse_duration(s):
return re.sub(r'(?s)^[a-zA-Z0-9_]+\s*\(\s*(.*)\);?\s*?\s*$', r'\1', code)
+def js_to_json(code):
+ def fix_kv(m):
+ key = m.group(2)
+ if key.startswith("'"):
+ assert key.endswith("'")
+ assert '"' not in key
+ key = '"%s"' % key[1:-1]
+ elif not key.startswith('"'):
+ key = '"%s"' % key
+
+ value = m.group(4)
+ if value.startswith("'"):
+ assert value.endswith("'")
+ assert '"' not in value
+ value = '"%s"' % value[1:-1]
+
+ return m.group(1) + key + m.group(3) + value
+
+ res = re.sub(r'''(?x)
+ ([{,]\s*)
+ ("[^"]*"|\'[^\']*\'|[a-z0-9A-Z]+)
+ (:\s*)
+ ([0-9.]+|true|false|"[^"]*"|\'[^\']*\'|\[|\{)
+ ''', fix_kv, code)
+ res = re.sub(r',(\s*\])', lambda m: m.group(1), res)
+ return res
+
+
def qualities(quality_ids):
""" Get a numeric quality value out of a list of possible values """
def q(qid):
projects / youtube-dl / blobdiff