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/Users/wangxuguang/.zshrc:3:
no such file or directory: /usr/local/b
in/brew
/Users/wangxuguang/.zshrc:export:3:
not valid
in this context:
wangxuguang@MacBookPro ~ % pipx
install enex2
notion
zsh: command
not
found: pipx
wangxuguang@MacBookPro ~ % pip
Usage:
pip <command> [options]
Commands:
install
Install packages.
lock Generate a lock file.
download Download packages.
un
install Un
install packages.
freeze Output
installed packages
in requirements
format.
inspect
Inspect
the python environment.
list List
installed packages.
show Show
information about
installed packages.
check Verify
installed packages have compatible dependencies.
config Manage local and global
configuration.
search Search PyPI
for packages.
cache
Inspect and manage pip's wheel cache.
index
Inspect
information available from package
indexes.
wheel Build wheels from your requirements.
hash Compute hashes of package archives.
completion A helper command used
for command completion.
debug Show
information useful
for debugg
ing.
help Show help
for commands.
General Options:
-h, --help Show help.
--debug Let unhandled exceptions propagate outside
the
ma
in subrout
ine,
instead of logg
ing
them to
stderr.
--isolated Run pip
in an isolated mode, ig
nor
ing
environment variables and user
configuration.
--require-virtualenv Allow pip to only run
in a virtual environment;
exit with an error o
therwise.
--python <python> Run pip with
the specified Python
interpreter.
-v, --verbose Give more output. Option is additive, and can be
used up to 3 times.
-V, --version Show version and exit.
-q, --quiet Give less output. Option is additive, and can be
used up to 3 times (correspond
ing to WARN
ING,
ERROR, and CRITICAL logg
ing levels).
--log <path> Path to a verbose append
ing log.
--
no-
input Disable prompt
ing
for input.
--keyr
ing-provider <keyr
ing_provider>
Enable
the credential lookup via
the keyr
ing
library if user
input is allowed. Specify which
mechanism to use [auto, disabled, import,
subprocess]. (default: auto)
--proxy <proxy> Specify a proxy
in the form
scheme://[user:passwd@]proxy.server:port.
--retries <retries> Maximum attempts to establish a new HTTP
connection. (default: 5)
--timeout <sec> Set
the socket timeout (default 15 seconds).
--exists-
action <
action> Default
action when a path already exists:
(s)witch, (i)g
nore, (w)ipe, (b)ackup, (a)bort.
--trusted-host <hostname> Mark this host or host:port pair as trusted,
even though it does
not have valid or any HTTPS.
--cert <path> Path to PEM-encoded CA certificate bundle. If
provided, overrides
the default. See 'SSL
Certificate Verification'
in pip documentation
for more
information.
--client-cert <path> Path to SSL client certificate, a s
ingle file
conta
ining
the private key and
the certificate
in PEM
format.
--cache-dir <dir> Store
the cache data
in <dir>.
--
no-cache-dir Disable
the cache.
--disable-pip-version-check
Don't periodically check PyPI to determ
ine
whe
ther a new version of pip is available
for
download. Implied with --
no-
index.
--
no-color Suppress colored output.
--use-feature <feature> Enable new functionality, that may be backward
incompatible.
--use-deprecated <feature> Enable deprecated functionality, that will be
removed
in the future.
--resume-retries <resume_retries>
Maximum attempts to resume or restart an
incomplete download. (default: 0)
wangxuguang@MacBookPro ~ % pip3
install enex2
notion
error: externally-managed-environment
× This environment is externally managed
╰─> To
install Python packages system-wide, try brew
install
xyz, where xyz is
the package you are try
ing to
install.
If you wish to
install a Python library that isn't
in Homebrew,
use a virtual environment:
python3 -m venv path/to/venv
source path/to/venv/b
in/activate
python3 -m pip
install xyz
If you wish to
install a Python application that isn't
in Homebrew,
it may be easiest to use 'pipx
install xyz', which will manage a
virtual environment
for you. You can
install pipx with
brew
install pipx
You may restore
the old behavior of pip by pass
ing
the '--break-system-packages' flag to pip, or by add
ing
'break-system-packages = true' to your pip.conf file.
The latter
will permanently disable this error.
If you disable this error, we STRONGLY recommend that you additionally
pass
the '--user' flag to pip, or set 'user = true'
in your pip.conf
file. Failure to do this can result
in a broken Homebrew
installation.
Read more about this behavior here: <https://peps.python.org/pep-0668/>
note: If you believe this is a mistake, please contact your Python
installation or OS distribution provider. You can override this, at
the risk of break
ing your Python
installation or OS, by pass
ing --break-system-packages.
h
int: See PEP 668
for the detailed specification.
wangxuguang@MacBookPro ~ %
本文介绍如何正确配置Struts2中的表单(form)，强调了正确的命名空间(namespace)及action路径设置，避免常见的配置错误。
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