Note: Python is very sensitive to the indenting. Make sure the "class" line
and "EOF" do not have any indent.
+ *:pydo*
+:[range]pydo {body} Execute Python function "def _vim_pydo(line, linenr):
+ {body}" for each line in the [range], with the
+ function arguments being set to the text of each line
+ in turn, without a trailing <EOL>, and the current
+ line number. The function should return a string or
+ None. If a string is returned, it becomes the text of
+ the line in the current turn. The default for [range]
+ is the whole file: "1,$".
+ {not in Vi}
+
+Examples:
+>
+ :pydo return "%s\t%d" % (line[::-1], len(line))
+ :pydo if line: return "%4d: %s" % (linenr, line)
+<
*:pyfile* *:pyf*
:[range]pyf[ile] {file}
Execute the Python script in {file}. The whole
8. Python 3 *python3*
*:py3* *:python3*
-The |:py3| and |:python3| commands work similar to |:python|. A simple check
+The `:py3` and `:python3` commands work similar to `:python`. A simple check
if the `:py3` command is working: >
:py3 print("Hello")
< *:py3file*
-The |:py3file| command works similar to |:pyfile|.
-
+The `:py3file` command works similar to `:pyfile`.
*:py3do* *E863*
-:[range]py3do {body} Execute Python function "def _vim_pydo(line, linenr):
- {body}" for each line in the [range], with the
- function arguments being set to the text of each line
- in turn, without a trailing <EOL>, and the current
- line number. The function should return a string or
- None. If a string is returned, it becomes the text of
- the line in the current turn. The default for [range]
- is the whole file: "1,$".
- {not in Vi}
+The `:py3do` command works similar to `:pydo`.
-Examples:
->
- :py3do return "%s\t%d" % (line[::-1], len(line))
- :py3do if line: return "%4d: %s" % (linenr, line)
Vim can be built in four ways (:version output):
1. No Python support (-python, -python3)
# define PyModule_GetDict dll_PyModule_GetDict
# define PyRun_SimpleString dll_PyRun_SimpleString
# define PyRun_String dll_PyRun_String
+# define PyObject_GetAttrString dll_PyObject_GetAttrString
+# define PyObject_SetAttrString dll_PyObject_SetAttrString
+# define PyObject_CallFunctionObjArgs dll_PyObject_CallFunctionObjArgs
# define PyString_AsString dll_PyString_AsString
# define PyString_AsStringAndSize dll_PyString_AsStringAndSize
# define PyString_FromString dll_PyString_FromString
static PyObject*(*dll_PyModule_GetDict)(PyObject *);
static int(*dll_PyRun_SimpleString)(char *);
static PyObject *(*dll_PyRun_String)(char *, int, PyObject *, PyObject *);
+static PyObject* (*dll_PyObject_GetAttrString)(PyObject *, const char *);
+static PyObject* (*dll_PyObject_SetAttrString)(PyObject *, const char *, PyObject *);
+static PyObject* (*dll_PyObject_CallFunctionObjArgs)(PyObject *, ...);
static char*(*dll_PyString_AsString)(PyObject *);
static int(*dll_PyString_AsStringAndSize)(PyObject *, char **, int *);
static PyObject*(*dll_PyString_FromString)(const char *);
{"PyModule_GetDict", (PYTHON_PROC*)&dll_PyModule_GetDict},
{"PyRun_SimpleString", (PYTHON_PROC*)&dll_PyRun_SimpleString},
{"PyRun_String", (PYTHON_PROC*)&dll_PyRun_String},
+ {"PyObject_GetAttrString", (PYTHON_PROC*)&dll_PyObject_GetAttrString},
+ {"PyObject_SetAttrString", (PYTHON_PROC*)&dll_PyObject_SetAttrString},
+ {"PyObject_CallFunctionObjArgs", (PYTHON_PROC*)&dll_PyObject_CallFunctionObjArgs},
{"PyString_AsString", (PYTHON_PROC*)&dll_PyString_AsString},
{"PyString_AsStringAndSize", (PYTHON_PROC*)&dll_PyString_AsStringAndSize},
{"PyString_FromString", (PYTHON_PROC*)&dll_PyString_FromString},
DoPythonCommand(eap, buffer, NULL);
}
+ void
+ex_pydo(exarg_T *eap)
+{
+ linenr_T i;
+ const char *code_hdr = "def " DOPY_FUNC "(line, linenr):\n ";
+ const char *s = (const char *) eap->arg;
+ size_t len;
+ char *code;
+ int status;
+ PyObject *pyfunc, *pymain;
+ PyGILState_STATE pygilstate;
+
+ if (Python_Init())
+ return;
+
+ if (u_save(eap->line1 - 1, eap->line2 + 1) != OK)
+ {
+ EMSG(_("cannot save undo information"));
+ return;
+ }
+ len = strlen(code_hdr) + strlen(s);
+ code = malloc(len + 1);
+ STRCPY(code, code_hdr);
+ STRNCAT(code, s, len + 1);
+ pygilstate = PyGILState_Ensure();
+ status = PyRun_SimpleString(code);
+ vim_free(code);
+ if (status)
+ {
+ EMSG(_("failed to run the code"));
+ return;
+ }
+ status = 0; /* good */
+ pymain = PyImport_AddModule("__main__");
+ pyfunc = PyObject_GetAttrString(pymain, DOPY_FUNC);
+ PyGILState_Release(pygilstate);
+
+ for (i = eap->line1; i <= eap->line2; i++)
+ {
+ const char *line;
+ PyObject *pyline, *pylinenr, *pyret;
+
+ line = (char *)ml_get(i);
+ pygilstate = PyGILState_Ensure();
+ pyline = PyString_FromStringAndSize(line, strlen(line));
+ pylinenr = PyLong_FromLong(i);
+ pyret = PyObject_CallFunctionObjArgs(pyfunc, pyline, pylinenr, NULL);
+ Py_DECREF(pyline);
+ Py_DECREF(pylinenr);
+ if (!pyret)
+ {
+ PyErr_PrintEx(0);
+ PythonIO_Flush();
+ status = 1;
+ goto out;
+ }
+
+ if (pyret && pyret != Py_None)
+ {
+ if (!PyString_Check(pyret))
+ {
+ EMSG(_("E863: return value must be an instance of str"));
+ Py_XDECREF(pyret);
+ status = 1;
+ goto out;
+ }
+ ml_replace(i, (char_u *) PyString_AsString(pyret), 1);
+ changed();
+#ifdef SYNTAX_HL
+ syn_changed(i); /* recompute syntax hl. for this line */
+#endif
+ }
+ Py_XDECREF(pyret);
+ PythonIO_Flush();
+ PyGILState_Release(pygilstate);
+ }
+ pygilstate = PyGILState_Ensure();
+out:
+ Py_DECREF(pyfunc);
+ PyObject_SetAttrString(pymain, DOPY_FUNC, NULL);
+ PyGILState_Release(pygilstate);
+ if (status)
+ return;
+ check_cursor();
+ update_curbuf(NOT_VALID);
+}
+
/******************************************************
* 2. Python output stream: writes output via [e]msg().
*/
projects / vim / commitdiff