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RF: try finding tkinter in Python rather than C

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Use imported module to find tkinter.  Should find tkinter module for all
available versions of PyPy that have tkinter compiled, as well as
CPython.
This commit is contained in:
Matthew Brett 2016-05-29 00:29:01 -07:00
parent 6968c0c712
commit 4bc75e4088
2 changed files with 30 additions and 15 deletions
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20
PIL/_tkinter_finder.py Normal file
View File

@ -0,0 +1,20 @@
""" Find compiled module linking to Tcl / Tk libraries
"""
import sys
if sys.version_info[0] > 2:
from tkinter import _tkinter as tk
else:
from Tkinter import tkinter as tk
if hasattr(sys, 'pypy_find_executable'):
# Tested with packages at https://bitbucket.org/pypy/pypy/downloads.
# PyPies 1.6, 2.0 do not have tkinter built in. PyPy3-2.3.1 gives an
# OSError trying to import tkinter. Otherwise:
try: # PyPy 5.1, 4.0.0, 2.6.1, 2.6.0
TKINTER_LIB = tk.tklib_cffi.__file__
except AttributeError:
# PyPy3 2.4, 2.1-beta1; PyPy 2.5.1, 2.5.0, 2.4.0, 2.3, 2.2, 2.1
TKINTER_LIB = tk.tkffi.verifier.modulefilename
else:
TKINTER_LIB = tk.__file__

25
Tk/tkImaging.c
View File

@ -223,13 +223,7 @@ TkImaging_Init(Tcl_Interp* interp)
* Functions to fill global Tcl / Tk function pointers by dynamic loading * Functions to fill global Tcl / Tk function pointers by dynamic loading
*/ */
#if PY_VERSION_HEX >= 0x03000000 #define TKINTER_FINDER "PIL._tkinter_finder"
#define TKINTER_PKG "tkinter"
#define TKINTER_MOD "_tkinter"
#else
#define TKINTER_PKG "Tkinter"
#define TKINTER_MOD "tkinter"
#endif
#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) #if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
@ -245,6 +239,12 @@ TkImaging_Init(Tcl_Interp* interp)
#include <psapi.h> #include <psapi.h>
/* Must be linked with 'psapi' library */ /* Must be linked with 'psapi' library */
#if PY_VERSION_HEX >= 0x03000000
#define TKINTER_PKG "tkinter"
#else
#define TKINTER_PKG "Tkinter"
#endif
FARPROC _dfunc(HMODULE lib_handle, const char *func_name) FARPROC _dfunc(HMODULE lib_handle, const char *func_name)
{ {
/* /*
@ -438,17 +438,13 @@ int load_tkinter_funcs(void)
int ret = -1; int ret = -1;
void *tkinter_lib; void *tkinter_lib;
char *tkinter_libname; char *tkinter_libname;
PyObject *pModule = NULL, *pSubmodule = NULL, *pString = NULL; PyObject *pModule = NULL, *pString = NULL;
pModule = PyImport_ImportModule(TKINTER_PKG); pModule = PyImport_ImportModule(TKINTER_FINDER);
if (pModule == NULL) { if (pModule == NULL) {
goto exit; goto exit;
} }
pSubmodule = PyObject_GetAttrString(pModule, TKINTER_MOD); pString = PyObject_GetAttrString(pModule, "TKINTER_LIB");
if (pSubmodule == NULL) {
goto exit;
}
pString = PyObject_GetAttrString(pSubmodule, "__file__");
if (pString == NULL) { if (pString == NULL) {
goto exit; goto exit;
} }
@ -467,7 +463,6 @@ int load_tkinter_funcs(void)
dlclose(tkinter_lib); dlclose(tkinter_lib);
exit: exit:
Py_XDECREF(pModule); Py_XDECREF(pModule);
Py_XDECREF(pSubmodule);
Py_XDECREF(pString); Py_XDECREF(pString);
return ret; return ret;
} }