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[utils] Fix bug in 0b9c08b47b
* Cache of `supports_terminal_sequences` must be reset after enabling VT mode * and move `windows_enable_vt_mode` to utils to avoid cyclic imports
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parent
b801cd7179
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@ -33,7 +33,6 @@
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compat_str,
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compat_urllib_error,
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compat_urllib_request,
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windows_enable_vt_mode,
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)
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from .cookies import load_cookies
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from .downloader import FFmpegFD, get_suitable_downloader, shorten_protocol_name
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@ -142,6 +141,7 @@
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url_basename,
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variadic,
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version_tuple,
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windows_enable_vt_mode,
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write_json_file,
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write_string,
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)
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@ -3605,7 +3605,7 @@ def print_debug_header(self):
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def get_encoding(stream):
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ret = str(getattr(stream, 'encoding', 'missing (%s)' % type(stream).__name__))
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if not supports_terminal_sequences(stream):
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from .compat import WINDOWS_VT_MODE # Must be imported locally
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from .utils import WINDOWS_VT_MODE # Must be imported locally
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ret += ' (No VT)' if WINDOWS_VT_MODE is False else ' (No ANSI)'
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return ret
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@ -1,6 +1,4 @@
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import contextlib
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import os
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import subprocess
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import sys
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import warnings
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import xml.etree.ElementTree as etree
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@ -74,17 +72,3 @@ def compat_expanduser(path):
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return userhome + path[i:]
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else:
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compat_expanduser = os.path.expanduser
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WINDOWS_VT_MODE = False if compat_os_name == 'nt' else None
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def windows_enable_vt_mode(): # TODO: Do this the proper way https://bugs.python.org/issue30075
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if compat_os_name != 'nt':
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return
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global WINDOWS_VT_MODE
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startupinfo = subprocess.STARTUPINFO()
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startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
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with contextlib.suppress(Exception):
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subprocess.Popen('', shell=True, startupinfo=startupinfo).wait()
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WINDOWS_VT_MODE = True
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@ -55,3 +55,10 @@ def compat_ctypes_WINFUNCTYPE(*args, **kwargs):
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compat_xpath = lambda xpath: xpath
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compat_zip = zip
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workaround_optparse_bug9161 = lambda: None
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def __getattr__(name):
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if name in ('WINDOWS_VT_MODE', 'windows_enable_vt_mode'):
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from .. import utils
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return getattr(utils, name)
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raise AttributeError(name)
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@ -5094,10 +5094,12 @@ def jwt_decode_hs256(jwt):
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return payload_data
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WINDOWS_VT_MODE = False if compat_os_name == 'nt' else None
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@functools.cache
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def supports_terminal_sequences(stream):
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if compat_os_name == 'nt':
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from .compat import WINDOWS_VT_MODE # Must be imported locally
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if not WINDOWS_VT_MODE or get_windows_version() < (10, 0, 10586):
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return False
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elif not os.getenv('TERM'):
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@ -5108,6 +5110,21 @@ def supports_terminal_sequences(stream):
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return False
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def windows_enable_vt_mode(): # TODO: Do this the proper way https://bugs.python.org/issue30075
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if compat_os_name != 'nt':
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return
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global WINDOWS_VT_MODE
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startupinfo = subprocess.STARTUPINFO()
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startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
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try:
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subprocess.Popen('', shell=True, startupinfo=startupinfo).wait()
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except Exception:
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return
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WINDOWS_VT_MODE = True
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supports_terminal_sequences.cache_clear()
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_terminal_sequences_re = re.compile('\033\\[[^m]+m')
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