diff options
| -rw-r--r-- | Misc/python.man | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/Misc/python.man b/Misc/python.man index eb2d0e222de..fa88a2586dc 100644 --- a/Misc/python.man +++ b/Misc/python.man @@ -80,7 +80,7 @@ python \- an interpreted, interactive, object-oriented programming language ] .br [ -.B \--check-hash-based-pycs +.B \-\-check-hash-based-pycs .I default | .I always @@ -89,16 +89,16 @@ python \- an interpreted, interactive, object-oriented programming language ] .br [ -.B \--help +.B \-\-help ] [ -.B \--help-env +.B \-\-help\-env ] [ -.B \--help-xoptions +.B \-\-help\-xoptions ] [ -.B \--help-all +.B \-\-help\-all ] .br [ @@ -144,14 +144,14 @@ files on import. See also PYTHONDONTWRITEBYTECODE. .TP .B \-b Issue warnings about str(bytes_instance), str(bytearray_instance) -and comparing bytes/bytearray with str. (-bb: issue errors) +and comparing bytes/bytearray with str. (\-bb: issue errors) .TP .BI "\-c " command Specify the command to execute (see next section). This terminates the option list (following options are passed as arguments to the command). .TP -.BI "\-\-check-hash-based-pycs " mode +.BI "\-\-check\-hash\-based\-pycs " mode Configure how Python evaluates the up-to-dateness of hash-based .pyc files. .TP .B \-d @@ -185,7 +185,7 @@ raises an exception. .B \-I Run Python in isolated mode. This also implies \fB\-E\fP, \fB\-P\fP and \fB\-s\fP. In isolated mode sys.path contains neither the script's directory nor the user's -site-packages directory. All PYTHON* environment variables are ignored, too. +site\-packages directory. All PYTHON* environment variables are ignored, too. Further restrictions may be imposed to prevent the user from injecting malicious code. .TP @@ -203,7 +203,7 @@ __debug__; augment the filename for compiled (bytecode) files by adding .opt-1 before the .pyc extension. .TP .B \-OO -Do \fB-O\fP and also discard docstrings; change the filename for +Do \fB\-O\fP and also discard docstrings; change the filename for compiled (bytecode) files by adding .opt-2 before the .pyc extension. .TP .B \-P @@ -266,16 +266,16 @@ emitted by a process (even those that are otherwise ignored by default): The action names can be abbreviated as desired and the interpreter will resolve them to the appropriate action name. For example, -.B -Wi +.B \-Wi is the same as -.B -Wignore . +.B \-Wignore . The full form of argument is: .IB action:message:category:module:lineno Empty fields match all values; trailing empty fields may be omitted. For example -.B -W ignore::DeprecationWarning +.B \-W ignore::DeprecationWarning ignores all DeprecationWarning warnings. The @@ -304,10 +304,10 @@ field matches the line number, where zero matches all line numbers and is thus equivalent to an omitted line number. Multiple -.B -W +.B \-W options can be given; when a warning matches more than one option, the action for the last matching option is performed. Invalid -.B -W +.B \-W options are ignored (though, a warning message is printed about invalid options when the first warning is issued). @@ -321,15 +321,15 @@ a regular expression on the warning message. .BI "\-X " option Set implementation-specific option. The following options are available: - \fB-X cpu_count=\fIN\fR: override the return value of \fIos.cpu_count()\fR; - \fB-X cpu_count=default\fR cancels overriding; also \fBPYTHON_CPU_COUNT\fI + \fB\-X cpu_count=\fIN\fR: override the return value of \fIos.cpu_count()\fR; + \fB\-X cpu_count=default\fR cancels overriding; also \fBPYTHON_CPU_COUNT\fI - \fB-X dev\fR: enable CPython's "development mode", introducing additional + \fB\-X dev\fR: enable CPython's "development mode", introducing additional runtime checks which are too expensive to be enabled by default. It will not be more verbose than the default if the code is correct: new warnings are only emitted when an issue is detected. Effect of the developer mode: - * Add default warning filter, as \fB-W default\fR + * Add default warning filter, as \fB\-W default\fR * Install debug hooks on memory allocators: see the PyMem_SetupDebugHooks() C function * Enable the faulthandler module to dump the Python traceback on a @@ -338,59 +338,59 @@ Set implementation-specific option. The following options are available: * Set the dev_mode attribute of sys.flags to True * io.IOBase destructor logs close() exceptions - \fB-X importtime\fR: show how long each import takes. It shows module name, + \fB\-X importtime\fR: show how long each import takes. It shows module name, cumulative time (including nested imports) and self time (excluding nested imports). Note that its output may be broken in multi-threaded application. Typical usage is - \fBpython3 -X importtime -c 'import asyncio'\fR + \fBpython3 \-X importtime \-c 'import asyncio'\fR - \fB-X faulthandler\fR: enable faulthandler + \fB\-X faulthandler\fR: enable faulthandler - \fB-X frozen_modules=\fR[\fBon\fR|\fBoff\fR]: whether or not frozen modules + \fB\-X frozen_modules=\fR[\fBon\fR|\fBoff\fR]: whether or not frozen modules should be used. The default is "on" (or "off" if you are running a local build). - \fB-X gil=\fR[\fB0\fR|\fB1\fR]: enable (1) or disable (0) the GIL; also + \fB\-X gil=\fR[\fB0\fR|\fB1\fR]: enable (1) or disable (0) the GIL; also \fBPYTHON_GIL\fR - Only available in builds configured with \fB--disable-gil\fR. + Only available in builds configured with \fB\-\-disable\-gil\fR. - \fB-X int_max_str_digits=\fInumber\fR: limit the size of int<->str conversions. + \fB\-X int_max_str_digits=\fInumber\fR: limit the size of int<->str conversions. This helps avoid denial of service attacks when parsing untrusted data. The default is sys.int_info.default_max_str_digits. 0 disables. - \fB-X no_debug_ranges\fR: disable the inclusion of the tables mapping extra + \fB\-X no_debug_ranges\fR: disable the inclusion of the tables mapping extra location information (end line, start column offset and end column offset) to every instruction in code objects. This is useful when smaller code objects and pyc files are desired as well as suppressing the extra visual location indicators when the interpreter displays tracebacks. - \fB-X perf\fR: support the Linux "perf" profiler; also \fBPYTHONPERFSUPPORT=1\fR + \fB\-X perf\fR: support the Linux "perf" profiler; also \fBPYTHONPERFSUPPORT=1\fR - \fB-X perf_jit\fR: support the Linux "perf" profiler with DWARF support; + \fB\-X perf_jit\fR: support the Linux "perf" profiler with DWARF support; also \fBPYTHON_PERF_JIT_SUPPORT=1\fR - \fB-X presite=\fIMOD\fR: import this module before site; also \fBPYTHON_PRESITE\fR + \fB\-X presite=\fIMOD\fR: import this module before site; also \fBPYTHON_PRESITE\fR This only works on debug builds. - \fB-X pycache_prefix=\fIPATH\fR: enable writing .pyc files to a parallel + \fB\-X pycache_prefix=\fIPATH\fR: enable writing .pyc files to a parallel tree rooted at the given directory instead of to the code tree. - \fB-X showrefcount\fR: output the total reference count and number of used + \fB\-X showrefcount\fR: output the total reference count and number of used memory blocks when the program finishes or after each statement in the interactive interpreter. This only works on debug builds - \fB-X tracemalloc\fR: start tracing Python memory allocations using the + \fB\-X tracemalloc\fR: start tracing Python memory allocations using the tracemalloc module. By default, only the most recent frame is stored in a - traceback of a trace. Use -X tracemalloc=NFRAME to start tracing with a + traceback of a trace. Use \-X tracemalloc=NFRAME to start tracing with a traceback limit of NFRAME frames - \fB-X utf8\fR: enable UTF-8 mode for operating system interfaces, - overriding the default locale-aware mode. \fB-X utf8=0\fR explicitly + \fB\-X utf8\fR: enable UTF-8 mode for operating system interfaces, + overriding the default locale-aware mode. \fB\-X utf8=0\fR explicitly disables UTF-8 mode (even when it would otherwise activate automatically). See \fBPYTHONUTF8\fR for more details - \fB-X warn_default_encoding\fR: enable opt-in EncodingWarning for 'encoding=None' + \fB\-X warn_default_encoding\fR: enable opt-in EncodingWarning for 'encoding=None' .TP .B \-x @@ -430,7 +430,7 @@ is an empty string; if is used, .I sys.argv[0] contains the string -.I '-c'. +.I '\-c'. Note that options interpreted by the Python interpreter itself are not placed in .IR sys.argv . @@ -513,7 +513,7 @@ If this environment variable is set to a non-empty string, is called at startup: install a handler for SIGSEGV, SIGFPE, SIGABRT, SIGBUS and SIGILL signals to dump the Python traceback. .IP -This is equivalent to the \fB-X faulthandler\fP option. +This is equivalent to the \fB\-X faulthandler\fP option. .IP PYTHON_FROZEN_MODULES If this variable is set to \fBon\fR or \fBoff\fR, it determines whether or not frozen modules are ignored by the import machinery. A value of \fBon\fR means @@ -524,12 +524,12 @@ See also the \fB\-X frozen_modules\fR option. .IP PYTHON_GIL If this variable is set to 1, the global interpreter lock (GIL) will be forced on. Setting it to 0 forces the GIL off. Only available in builds configured -with \fB--disable-gil\fP. +with \fB\-\-disable\-gil\fP. .IP PYTHON_HISTORY This environment variable can be used to set the location of a history file (on Unix, it is \fI~/.python_history\fP by default). .IP -This is equivalent to the \fB-X gil\fR option. +This is equivalent to the \fB\-X gil\fR option. .IP PYTHONNODEBUGRANGES If this variable is set, it disables the inclusion of the tables mapping extra location information (end line, start column offset and end column @@ -576,7 +576,7 @@ when converting from a string and when converting an int back to a str. A value of 0 disables the limit. Conversions to or from bases 2, 4, 8, 16, and 32 are never limited. .IP -This is equivalent to the \fB-X int_max_str_digits=\fINUMBER\fR option. +This is equivalent to the \fB\-X int_max_str_digits=\fINUMBER\fR option. .IP PYTHONIOENCODING If this is set before running the interpreter, it overrides the encoding used for stdin/stdout/stderr, in the syntax @@ -686,7 +686,7 @@ If this is set to a non-empty string it is equivalent to specifying the \fB\-u\fP option. .IP PYTHONUSERBASE Defines the user base directory, which is used to compute the path of the user -.IR site-packages +.IR site\-packages directory and installation paths for .IR "python \-m pip install \-\-user" . .IP PYTHONUTF8 @@ -704,7 +704,7 @@ specifying the \fB\-W\fP option for each separate value. .SS Debug-mode variables Setting these variables only has an effect in a debug build of Python, that is, if Python was configured with the -\fB\--with-pydebug\fP build option. +\fB\-\-with\-pydebug\fP build option. .IP PYTHONDUMPREFS If this environment variable is set, Python will dump objects and reference counts still alive after shutting down the interpreter. @@ -718,7 +718,7 @@ early in the interpreter lifecycle, before the \fIsite\fR module is executed, and before the \fI__main__\fR module is created. This only works on debug builds. .IP -This is equivalent to the \fB-X presite=\fImodule\fR option. +This is equivalent to the \fB\-X presite=\fImodule\fR option. .SH AUTHOR The Python Software Foundation: https://www.python.org/psf/ .SH INTERNET RESOURCES |