feat: indie status page MVP -- FastAPI + SQLite

- 8 DB models (services, incidents, monitors, subscribers, etc.)
- Full CRUD API for services, incidents, monitors
- Public status page with live data
- Incident detail page with timeline
- API key authentication
- Uptime monitoring scheduler
- 13 tests passing
- TECHNICAL_DESIGN.md with full spec

venv/lib/python3.11/site-packages/mypyc/lib-rt/pythonsupport.c

@@ -0,0 +1,209 @@
+// Collects code that was copied in from cpython, for a couple of different reasons:
+//  * We wanted to modify it to produce a more efficient version for our uses
+//  * We needed to call it and it was static :(
+//  * We wanted to call it and needed to backport it
+
+#include "pythonsupport.h"
+
+/////////////////////////////////////////
+// Adapted from bltinmodule.c in Python 3.7.0
+PyObject*
+update_bases(PyObject *bases)
+{
+    Py_ssize_t i, j;
+    PyObject *base, *meth, *new_base, *result, *new_bases = NULL;
+    PyObject *stack[1] = {bases};
+    assert(PyTuple_Check(bases));
+
+    Py_ssize_t nargs = PyTuple_GET_SIZE(bases);
+    for (i = 0; i < nargs; i++) {
+        base = PyTuple_GET_ITEM(bases, i);
+        if (PyType_Check(base)) {
+            if (new_bases) {
+                /* If we already have made a replacement, then we append every normal base,
+                   otherwise just skip it. */
+                if (PyList_Append(new_bases, base) < 0) {
+                    goto error;
+                }
+            }
+            continue;
+        }
+        if (PyObject_GetOptionalAttr(base, mypyc_interned_str.__mro_entries__, &meth) < 0) {
+            goto error;
+        }
+        if (!meth) {
+            if (new_bases) {
+                if (PyList_Append(new_bases, base) < 0) {
+                    goto error;
+                }
+            }
+            continue;
+        }
+        new_base = PyObject_Vectorcall(meth, stack, 1, NULL);
+        Py_DECREF(meth);
+        if (!new_base) {
+            goto error;
+        }
+        if (!PyTuple_Check(new_base)) {
+            PyErr_SetString(PyExc_TypeError,
+                            "__mro_entries__ must return a tuple");
+            Py_DECREF(new_base);
+            goto error;
+        }
+        if (!new_bases) {
+            /* If this is a first successful replacement, create new_bases list and
+               copy previously encountered bases. */
+            if (!(new_bases = PyList_New(i))) {
+                goto error;
+            }
+            for (j = 0; j < i; j++) {
+                base = PyTuple_GET_ITEM(bases, j);
+                PyList_SET_ITEM(new_bases, j, base);
+                Py_INCREF(base);
+            }
+        }
+        j = PyList_GET_SIZE(new_bases);
+        if (PyList_SetSlice(new_bases, j, j, new_base) < 0) {
+            goto error;
+        }
+        Py_DECREF(new_base);
+    }
+    if (!new_bases) {
+        return bases;
+    }
+    result = PyList_AsTuple(new_bases);
+    Py_DECREF(new_bases);
+    return result;
+
+error:
+    Py_XDECREF(new_bases);
+    return NULL;
+}
+
+// From Python 3.7's typeobject.c
+int
+init_subclass(PyTypeObject *type, PyObject *kwds)
+{
+    PyObject *super, *func, *result;
+    PyObject *args[2] = {(PyObject *)type, (PyObject *)type};
+
+    super = PyObject_Vectorcall((PyObject *)&PySuper_Type, args, 2, NULL);
+    if (super == NULL) {
+        return -1;
+    }
+
+    func = PyObject_GetAttr(super, mypyc_interned_str.__init_subclass__);
+    Py_DECREF(super);
+    if (func == NULL) {
+        return -1;
+    }
+
+    result = _PyObject_FastCallDict(func, NULL, 0, kwds);
+    Py_DECREF(func);
+    if (result == NULL) {
+        return -1;
+    }
+
+    Py_DECREF(result);
+    return 0;
+}
+
+#if CPY_3_12_FEATURES
+
+// Slow path of CPyLong_AsSsize_tAndOverflow (non-inlined)
+Py_ssize_t
+CPyLong_AsSsize_tAndOverflow_(PyObject *vv, int *overflow)
+{
+    PyLongObject *v = (PyLongObject *)vv;
+    size_t x, prev;
+    Py_ssize_t res;
+    Py_ssize_t i;
+    int sign;
+
+    *overflow = 0;
+
+    res = -1;
+    i = CPY_LONG_TAG(v);
+
+    sign = 1;
+    x = 0;
+    if (i & CPY_SIGN_NEGATIVE) {
+        sign = -1;
+    }
+    i >>= CPY_NON_SIZE_BITS;
+    while (--i >= 0) {
+        prev = x;
+        x = (x << PyLong_SHIFT) + CPY_LONG_DIGIT(v, i);
+        if ((x >> PyLong_SHIFT) != prev) {
+            *overflow = sign;
+            goto exit;
+        }
+    }
+    /* Haven't lost any bits, but casting to long requires extra
+     * care.
+     */
+    if (x <= (size_t)CPY_TAGGED_MAX) {
+        res = (Py_ssize_t)x * sign;
+    }
+    else if (sign < 0 && x == CPY_TAGGED_ABS_MIN) {
+        res = CPY_TAGGED_MIN;
+    }
+    else {
+        *overflow = sign;
+        /* res is already set to -1 */
+    }
+  exit:
+    return res;
+}
+
+#else
+
+// Slow path of CPyLong_AsSsize_tAndOverflow (non-inlined, Python 3.11 and earlier)
+Py_ssize_t
+CPyLong_AsSsize_tAndOverflow_(PyObject *vv, int *overflow)
+{
+    /* This version by Tim Peters */
+    PyLongObject *v = (PyLongObject *)vv;
+    size_t x, prev;
+    Py_ssize_t res;
+    Py_ssize_t i;
+    int sign;
+
+    *overflow = 0;
+
+    res = -1;
+    i = Py_SIZE(v);
+
+    sign = 1;
+    x = 0;
+    if (i < 0) {
+        sign = -1;
+        i = -(i);
+    }
+    while (--i >= 0) {
+        prev = x;
+        x = (x << PyLong_SHIFT) + CPY_LONG_DIGIT(v, i);
+        if ((x >> PyLong_SHIFT) != prev) {
+            *overflow = sign;
+            goto exit;
+        }
+    }
+    /* Haven't lost any bits, but casting to long requires extra
+     * care.
+     */
+    if (x <= (size_t)CPY_TAGGED_MAX) {
+        res = (Py_ssize_t)x * sign;
+    }
+    else if (sign < 0 && x == CPY_TAGGED_ABS_MIN) {
+        res = CPY_TAGGED_MIN;
+    }
+    else {
+        *overflow = sign;
+        /* res is already set to -1 */
+    }
+  exit:
+    return res;
+}
+
+
+#endif