author | Matt Harbison <matt_harbison@yahoo.com> |
Thu, 11 Jul 2024 20:54:06 -0400 | |
changeset 51685 | 0eb515c7bec8 |
parent 51607 | a4b3b8dee0a8 |
child 51863 | f4733654f144 |
permissions | -rw-r--r-- |
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scmutil: narrow ImportError handling in termwidth()
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1 |
import array |
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import errno |
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import fcntl |
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import os |
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import sys |
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import typing |
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|
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from typing import ( |
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9 |
List, |
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10 |
Tuple, |
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11 |
) |
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|
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from . import ( |
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encoding, |
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pycompat, |
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util, |
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) |
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if typing.TYPE_CHECKING: |
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from . import ui as uimod |
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21 |
|
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# BSD 'more' escapes ANSI color sequences by default. This can be disabled by |
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# $MORE variable, but there's no compatible option with Linux 'more'. Given |
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# OS X is widely used and most modern Unix systems would have 'less', setting |
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# 'less' as the default seems reasonable. |
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fallbackpager = b'less' |
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def _rcfiles(path: bytes) -> List[bytes]: |
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rcs = [os.path.join(path, b'hgrc')] |
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rcdir = os.path.join(path, b'hgrc.d') |
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try: |
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rcs.extend( |
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[ |
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os.path.join(rcdir, f) |
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for f, kind in sorted(util.listdir(rcdir)) |
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if f.endswith(b".rc") |
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38 |
] |
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39 |
) |
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except OSError: |
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pass |
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return rcs |
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|
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|
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def systemrcpath() -> List[bytes]: |
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path = [] |
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if pycompat.sysplatform == b'plan9': |
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root = b'lib/mercurial' |
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else: |
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root = b'etc/mercurial' |
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# old mod_python does not set sys.argv |
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if len(getattr(sys, 'argv', [])) > 0: |
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p = os.path.dirname(os.path.dirname(pycompat.sysargv[0])) |
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if p != b'/': |
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path.extend(_rcfiles(os.path.join(p, root))) |
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path.extend(_rcfiles(b'/' + root)) |
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return path |
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|
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def userrcpath() -> List[bytes]: |
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if pycompat.sysplatform == b'plan9': |
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return [encoding.environ[b'home'] + b'/lib/hgrc'] |
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else: |
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confighome = encoding.environ.get(b'XDG_CONFIG_HOME') |
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if confighome is None or not os.path.isabs(confighome): |
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confighome = os.path.expanduser(b'~/.config') |
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|
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return [ |
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os.path.expanduser(b'~/.hgrc'), |
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os.path.join(confighome, b'hg', b'hgrc'), |
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71 |
] |
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72 |
|
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73 |
|
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74 |
def termsize(ui: "uimod.ui") -> Tuple[int, int]: |
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75 |
try: |
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76 |
import termios |
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77 |
|
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TIOCGWINSZ = termios.TIOCGWINSZ # unavailable on IRIX (issue3449) |
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79 |
except (AttributeError, ImportError): |
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80 |
return 80, 24 |
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81 |
|
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82 |
for dev in (ui.ferr, ui.fout, ui.fin): |
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83 |
try: |
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84 |
try: |
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85 |
fd = dev.fileno() |
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86 |
except AttributeError: |
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87 |
continue |
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88 |
if not os.isatty(fd): |
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89 |
continue |
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arri = fcntl.ioctl(fd, TIOCGWINSZ, b'\0' * 8) |
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height, width = array.array('h', arri)[:2] |
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if width > 0 and height > 0: |
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93 |
return width, height |
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94 |
except ValueError: |
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95 |
pass |
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96 |
except IOError as e: |
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97 |
if e.errno == errno.EINVAL: |
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98 |
pass |
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99 |
else: |
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100 |
raise |
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101 |
return 80, 24 |