first commit

myenv/lib/python3.10/site-packages/evdev/genecodes_c.py

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+"""
+Generate a Python extension module with the constants defined in linux/input.h.
+"""
+
+import getopt
+import os
+import re
+import sys
+
+# -----------------------------------------------------------------------------
+# The default header file locations to try.
+headers = [
+    "/usr/include/linux/input.h",
+    "/usr/include/linux/input-event-codes.h",
+    "/usr/include/linux/uinput.h",
+]
+
+opts, args = getopt.getopt(sys.argv[1:], "", ["ecodes", "stubs", "reproducible"])
+if not opts:
+    print("usage: genecodes.py [--ecodes|--stubs] [--reproducible] <headers>")
+    exit(2)
+
+if args:
+    headers = args
+
+reproducible = ("--reproducible", "") in opts
+
+
+# -----------------------------------------------------------------------------
+macro_regex = r"#define\s+((?:KEY|ABS|REL|SW|MSC|LED|BTN|REP|SND|ID|EV|BUS|SYN|FF|UI_FF|INPUT_PROP)_\w+)"
+macro_regex = re.compile(macro_regex)
+
+if reproducible:
+    uname = "hidden for reproducibility"
+else:
+    # Uname without hostname.
+    uname = list(os.uname())
+    uname = " ".join((uname[0], *uname[2:]))
+
+
+# -----------------------------------------------------------------------------
+template_ecodes = r"""
+#include <Python.h>
+#ifdef __FreeBSD__
+#include <dev/evdev/input.h>
+#include <dev/evdev/uinput.h>
+#else
+#include <linux/input.h>
+#include <linux/uinput.h>
+#endif
+
+/* Automatically generated by evdev.genecodes */
+/* Generated on   %s */
+/* Generated from %s */
+
+#define MODULE_NAME "_ecodes"
+#define MODULE_HELP "linux/input.h macros"
+
+static PyMethodDef MethodTable[] = {
+    { NULL, NULL, 0, NULL}
+};
+
+static struct PyModuleDef moduledef = {
+    PyModuleDef_HEAD_INIT,
+    MODULE_NAME,
+    MODULE_HELP,
+    -1,          /* m_size */
+    MethodTable, /* m_methods */
+    NULL,        /* m_reload */
+    NULL,        /* m_traverse */
+    NULL,        /* m_clear */
+    NULL,        /* m_free */
+};
+
+PyMODINIT_FUNC
+PyInit__ecodes(void)
+{
+    PyObject* m = PyModule_Create(&moduledef);
+    if (m == NULL) return NULL;
+
+%s
+
+    return m;
+}
+"""
+
+
+template_stubs = r"""
+# Automatically generated by evdev.genecodes
+# Generated on %s
+# Generated from %s
+
+# pylint: skip-file
+
+ecodes: dict[str, int]
+keys: dict[int, str|list[str]]
+bytype: dict[int, dict[int, str|list[str]]]
+
+KEY: dict[int, str|list[str]]
+ABS: dict[int, str|list[str]]
+REL: dict[int, str|list[str]]
+SW:  dict[int, str|list[str]]
+MSC: dict[int, str|list[str]]
+LED: dict[int, str|list[str]]
+BTN: dict[int, str|list[str]]
+REP: dict[int, str|list[str]]
+SND: dict[int, str|list[str]]
+ID:  dict[int, str|list[str]]
+EV:  dict[int, str|list[str]]
+BUS: dict[int, str|list[str]]
+SYN: dict[int, str|list[str]]
+FF_STATUS:     dict[int, str|list[str]]
+FF_INPUT_PROP: dict[int, str|list[str]]
+
+%s
+"""
+
+
+def parse_headers(headers=headers):
+    for header in headers:
+        try:
+            fh = open(header)
+        except (IOError, OSError):
+            continue
+
+        for line in fh:
+            macro = macro_regex.search(line)
+            if macro:
+                yield macro.group(1)
+
+
+all_macros = list(parse_headers())
+if not all_macros:
+    print("no input macros found in: %s" % " ".join(headers), file=sys.stderr)
+    sys.exit(1)
+
+# pylint: disable=possibly-used-before-assignment, used-before-assignment
+if ("--ecodes", "") in opts:
+    body = ("    PyModule_AddIntMacro(m, %s);" % macro for macro in all_macros)
+    template = template_ecodes
+elif ("--stubs", "") in opts:
+    body = ("%s: int" % macro for macro in all_macros)
+    template = template_stubs
+
+body = os.linesep.join(body)
+text = template % (uname, headers if not reproducible else ["hidden for reproducibility"], body)
+print(text.strip())