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author	Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>	2019-08-21 11:38:04 (GMT)
committer	GitHub <noreply@github.com>	2019-08-21 11:38:04 (GMT)
commit	c777dec6f47ce649f3dea88d308e36e45538fdac (patch)
tree	885548398860d478e747dd1f587a54774713e2f6 /Python/dup2.c
parent	44f2c096804e8e3adc09400a59ef9c9ae843f339 (diff)
download	cpython-c777dec6f47ce649f3dea88d308e36e45538fdac.zip cpython-c777dec6f47ce649f3dea88d308e36e45538fdac.tar.gz cpython-c777dec6f47ce649f3dea88d308e36e45538fdac.tar.bz2

bpo-37823: Fix open() link in telnetlib doc (GH-15281)

Fixed wrong link to Telnet.open() method in telnetlib documentation. (cherry picked from commit e0b6117e2723327d6741d0aa599408514add5b30) Co-authored-by: Michael Anckaert <michael.anckaert@sinax.be>

Diffstat (limited to 'Python/dup2.c')

0 files changed, 0 insertions, 0 deletions

/*********************************************************** Copyright 1991 by Stichting Mathematisch Centrum, Amsterdam, The Netherlands. All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the names of Stichting Mathematisch Centrum or CWI not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ******************************************************************/ /* Python interpreter main program */ #include "allobjects.h" #include "grammar.h" #include "node.h" #include "parsetok.h" #include "graminit.h" #include "errcode.h" #include "sysmodule.h" #include "compile.h" #include "ceval.h" #include "pythonrun.h" #include "import.h" extern char *getpythonpath(); extern grammar gram; /* From graminit.c */ #ifdef DEBUG int debugging; /* Needed by parser.c */ #endif main(argc, argv) int argc; char **argv; { char *filename = NULL; FILE *fp = stdin; initargs(&argc, &argv); if (argc > 1 && strcmp(argv[1], "-") != 0) filename = argv[1]; if (filename != NULL) { if ((fp = fopen(filename, "r")) == NULL) { fprintf(stderr, "python: can't open file '%s'\n", filename); exit(2); } } initall(); setpythonpath(getpythonpath()); setpythonargv(argc-1, argv+1); goaway(run(fp, filename == NULL ? "<stdin>" : filename)); /*NOTREACHED*/ } /* Initialize all */ void initall() { static int inited; if (inited) return; inited = 1; initimport(); /* Modules 'builtin' and 'sys' are initialized here, they are needed by random bits of the interpreter. All other modules are optional and should be initialized by the initcalls() of a specific configuration. */ initbuiltin(); /* Also initializes builtin exceptions */ initsys(); initcalls(); /* Configuration-dependent initializations */ initintr(); /* For intrcheck() */ } /* Parse input from a file and execute it */ int run(fp, filename) FILE *fp; char *filename; { if (filename == NULL) filename = "???"; if (isatty(fileno(fp))) return run_tty_loop(fp, filename); else return run_script(fp, filename); } int run_tty_loop(fp, filename) FILE *fp; char *filename; { object *v; int ret; v = sysget("ps1"); if (v == NULL) { sysset("ps1", v = newstringobject(">>> ")); XDECREF(v); } v = sysget("ps2"); if (v == NULL) { sysset("ps2", v = newstringobject("... ")); XDECREF(v); } for (;;) { ret = run_tty_1(fp, filename); #ifdef REF_DEBUG fprintf(stderr, "[%ld refs]\n", ref_total); #endif if (ret == E_EOF) return 0; /* if (ret == E_NOMEM) return -1; */ } } int run_tty_1(fp, filename) FILE *fp; char *filename; { object *m, *d, *v, *w; node *n; char *ps1, *ps2; int err; v = sysget("ps1"); w = sysget("ps2"); if (v != NULL && is_stringobject(v)) { INCREF(v); ps1 = getstringvalue(v); } else { v = NULL; ps1 = ""; } if (w != NULL && is_stringobject(w)) { INCREF(w); ps2 = getstringvalue(w); } else { w = NULL; ps2 = ""; } err = parsefile(fp, filename, &gram, single_input, ps1, ps2, &n); XDECREF(v); XDECREF(w); if (err == E_EOF) return E_EOF; if (err != E_DONE) { err_input(err); print_error(); return err; } m = add_module("__main__"); if (m == NULL) return -1; d = getmoduledict(m); v = run_node(n, filename, d, d); flushline(); if (v == NULL) { print_error(); return -1; } DECREF(v); return 0; } int run_script(fp, filename) FILE *fp; char *filename; { object *m, *d, *v; m = add_module("__main__"); if (m == NULL) return -1; d = getmoduledict(m); v = run_file(fp, filename, file_input, d, d); flushline(); if (v == NULL) { print_error(); return -1; } DECREF(v); return 0; } void print_error() { object *exception, *v; err_get(&exception, &v); fprintf(stderr, "Unhandled exception: "); printobject(exception, stderr, PRINT_RAW); if (v != NULL && v != None) { fprintf(stderr, ": "); printobject(v, stderr, PRINT_RAW); } fprintf(stderr, "\n"); XDECREF(exception); XDECREF(v); printtraceback(stderr); } object * run_string(str, start, globals, locals) char *str; int start; /*dict*/object *globals, *locals; { node *n; int err; err = parse_string(str, start, &n); return run_err_node(err, n, "<string>", globals, locals); } object * run_file(fp, filename, start, globals, locals) FILE *fp; char *filename; int start; /*dict*/object *globals, *locals; { node *n; int err; err = parse_file(fp, filename, start, &n); return run_err_node(err, n, filename, globals, locals); } object * run_err_node(err, n, filename, globals, locals) int err; node *n; char *filename; /*dict*/object *globals, *locals; { if (err != E_DONE) { err_input(err); return NULL; } return run_node(n, filename, globals, locals); } object * run_node(n, filename, globals, locals) node *n; char *filename; /*dict*/object *globals, *locals; { if (globals == NULL) { globals = getglobals(); if (locals == NULL) locals = getlocals(); } else { if (locals == NULL) locals = globals; } return eval_node(n, filename, globals, locals); } object * eval_node(n, filename, globals, locals) node *n; char *filename; object *globals; object *locals; { codeobject *co; object *v; co = compile(n, filename); freetree(n); if (co == NULL) return NULL; v = eval_code(co, globals, locals, (object *)NULL); DECREF(co); return v; } /* Simplified interface to parsefile */ int parse_file(fp, filename, start, n_ret) FILE *fp; char *filename; int start; node **n_ret; { return parsefile(fp, filename, &gram, start, (char *)0, (char *)0, n_ret); } /* Simplified interface to parsestring */ int parse_string(str, start, n_ret) char *str; int start; node **n_ret; { int err = parsestring(str, &gram, start, n_ret); /* Don't confuse early end of string with early end of input */ if (err == E_EOF) err = E_SYNTAX; return err; } /* Print fatal error message and abort */ void fatal(msg) char *msg; { fprintf(stderr, "Fatal error: %s\n", msg); abort(); } /* Clean up and exit */ void goaway(sts) int sts; { flushline(); /* XXX Call doneimport() before donecalls(), since donecalls() calls wdone(), and doneimport() may close windows */ doneimport(); donecalls(); err_clear(); #ifdef REF_DEBUG fprintf(stderr, "[%ld refs]\n", ref_total); #endif #ifdef THINK_C_3_0 if (sts == 0) Click_On(0); #endif #ifdef TRACE_REFS if (askyesno("Print left references?")) { #ifdef THINK_C_3_0 Click_On(1); #endif printrefs(stderr); } #endif /* TRACE_REFS */ exit(sts); /*NOTREACHED*/ } static finaloutput() { #ifdef TRACE_REFS if (!askyesno("Print left references?")) return; #ifdef THINK_C_3_0 Click_On(1); #endif printrefs(stderr); #endif /* TRACE_REFS */ } /* Ask a yes/no question */ static int askyesno(prompt) char *prompt; { char buf[256]; printf("%s [ny] ", prompt); if (fgets(buf, sizeof buf, stdin) == NULL) return 0; return buf[0] == 'y' || buf[0] == 'Y'; } #ifdef THINK_C_3_0 /* Check for file descriptor connected to interactive device. Pretend that stdin is always interactive, other files never. */ int isatty(fd) int fd; { return fd == fileno(stdin); } #endif /* XXX WISH LIST - possible new types: - iterator (for range, keys, ...) - improve interpreter error handling, e.g., true tracebacks - save precompiled modules on file? - fork threads, locking - allow syntax extensions */ /* "Floccinaucinihilipilification" */


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