python, hg: tow outside the environment.

they've served us well, and can ride off into the sunset.

1 files changed, 0 insertions, 432 deletions

diff --git a/sys/src/cmd/python/Modules/_sqlite/statement.c b/sys/src/cmd/python/Modules/_sqlite/statement.c
deleted file mode 100644
index 55923e785..000000000
--- a/sys/src/cmd/python/Modules/_sqlite/statement.c
+++ /dev/null
@@ -1,432 +0,0 @@
-/* statement.c - the statement type
- *
- * Copyright (C) 2005-2006 Gerhard Häring <gh@ghaering.de>
- *
- * This file is part of pysqlite.
- *
- * This software is provided 'as-is', without any express or implied
- * warranty.  In no event will the authors be held liable for any damages
- * arising from the use of this software.
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- *    claim that you wrote the original software. If you use this software
- *    in a product, an acknowledgment in the product documentation would be
- *    appreciated but is not required.
- * 2. Altered source versions must be plainly marked as such, and must not be
- *    misrepresented as being the original software.
- * 3. This notice may not be removed or altered from any source distribution.
- */
-
-#include "statement.h"
-#include "cursor.h"
-#include "connection.h"
-#include "microprotocols.h"
-#include "prepare_protocol.h"
-#include "sqlitecompat.h"
-
-/* prototypes */
-int check_remaining_sql(const char* tail);
-
-typedef enum {
-    LINECOMMENT_1,
-    IN_LINECOMMENT,
-    COMMENTSTART_1,
-    IN_COMMENT,
-    COMMENTEND_1,
-    NORMAL
-} parse_remaining_sql_state;
-
-int statement_create(Statement* self, Connection* connection, PyObject* sql)
-{
-    const char* tail;
-    int rc;
-    PyObject* sql_str;
-    char* sql_cstr;
-
-    self->st = NULL;
-    self->in_use = 0;
-
-    if (PyString_Check(sql)) {
-        sql_str = sql;
-        Py_INCREF(sql_str);
-    } else if (PyUnicode_Check(sql)) {
-        sql_str = PyUnicode_AsUTF8String(sql);
-        if (!sql_str) {
-            rc = PYSQLITE_SQL_WRONG_TYPE;
-            return rc;
-        }
-    } else {
-        rc = PYSQLITE_SQL_WRONG_TYPE;
-        return rc;
-    }
-
-    self->in_weakreflist = NULL;
-    self->sql = sql_str;
-
-    sql_cstr = PyString_AsString(sql_str);
-
-    rc = sqlite3_prepare(connection->db,
-                         sql_cstr,
-                         -1,
-                         &self->st,
-                         &tail);
-
-    self->db = connection->db;
-
-    if (rc == SQLITE_OK && check_remaining_sql(tail)) {
-        (void)sqlite3_finalize(self->st);
-        self->st = NULL;
-        rc = PYSQLITE_TOO_MUCH_SQL;
-    }
-
-    return rc;
-}
-
-int statement_bind_parameter(Statement* self, int pos, PyObject* parameter)
-{
-    int rc = SQLITE_OK;
-    long longval;
-#ifdef HAVE_LONG_LONG
-    PY_LONG_LONG longlongval;
-#endif
-    const char* buffer;
-    char* string;
-    Py_ssize_t buflen;
-    PyObject* stringval;
-
-    if (parameter == Py_None) {
-        rc = sqlite3_bind_null(self->st, pos);
-    } else if (PyInt_Check(parameter)) {
-        longval = PyInt_AsLong(parameter);
-        rc = sqlite3_bind_int64(self->st, pos, (sqlite_int64)longval);
-#ifdef HAVE_LONG_LONG
-    } else if (PyLong_Check(parameter)) {
-        longlongval = PyLong_AsLongLong(parameter);
-        /* in the overflow error case, longlongval is -1, and an exception is set */
-        rc = sqlite3_bind_int64(self->st, pos, (sqlite_int64)longlongval);
-#endif
-    } else if (PyFloat_Check(parameter)) {
-        rc = sqlite3_bind_double(self->st, pos, PyFloat_AsDouble(parameter));
-    } else if (PyBuffer_Check(parameter)) {
-        if (PyObject_AsCharBuffer(parameter, &buffer, &buflen) == 0) {
-            rc = sqlite3_bind_blob(self->st, pos, buffer, buflen, SQLITE_TRANSIENT);
-        } else {
-            PyErr_SetString(PyExc_ValueError, "could not convert BLOB to buffer");
-            rc = -1;
-        }
-    } else if PyString_Check(parameter) {
-        string = PyString_AsString(parameter);
-        rc = sqlite3_bind_text(self->st, pos, string, -1, SQLITE_TRANSIENT);
-    } else if PyUnicode_Check(parameter) {
-        stringval = PyUnicode_AsUTF8String(parameter);
-        string = PyString_AsString(stringval);
-        rc = sqlite3_bind_text(self->st, pos, string, -1, SQLITE_TRANSIENT);
-        Py_DECREF(stringval);
-    } else {
-        rc = -1;
-    }
-
-    return rc;
-}
-
-void statement_bind_parameters(Statement* self, PyObject* parameters)
-{
-    PyObject* current_param;
-    PyObject* adapted;
-    const char* binding_name;
-    int i;
-    int rc;
-    int num_params_needed;
-    int num_params;
-
-    Py_BEGIN_ALLOW_THREADS
-    num_params_needed = sqlite3_bind_parameter_count(self->st);
-    Py_END_ALLOW_THREADS
-
-    if (PyDict_Check(parameters)) {
-        /* parameters passed as dictionary */
-        for (i = 1; i <= num_params_needed; i++) {
-            Py_BEGIN_ALLOW_THREADS
-            binding_name = sqlite3_bind_parameter_name(self->st, i);
-            Py_END_ALLOW_THREADS
-            if (!binding_name) {
-                PyErr_Format(ProgrammingError, "Binding %d has no name, but you supplied a dictionary (which has only names).", i);
-                return;
-            }
-
-            binding_name++; /* skip first char (the colon) */
-            current_param = PyDict_GetItemString(parameters, binding_name);
-            if (!current_param) {
-                PyErr_Format(ProgrammingError, "You did not supply a value for binding %d.", i);
-                return;
-            }
-
-            Py_INCREF(current_param);
-            adapted = microprotocols_adapt(current_param, (PyObject*)&SQLitePrepareProtocolType, NULL);
-            if (adapted) {
-                Py_DECREF(current_param);
-            } else {
-                PyErr_Clear();
-                adapted = current_param;
-            }
-
-            rc = statement_bind_parameter(self, i, adapted);
-            Py_DECREF(adapted);
-
-            if (rc != SQLITE_OK) {
-                PyErr_Format(InterfaceError, "Error binding parameter :%s - probably unsupported type.", binding_name);
-                return;
-           }
-        }
-    } else {
-        /* parameters passed as sequence */
-        num_params = PySequence_Length(parameters);
-        if (num_params != num_params_needed) {
-            PyErr_Format(ProgrammingError, "Incorrect number of bindings supplied. The current statement uses %d, and there are %d supplied.",
-                         num_params_needed, num_params);
-            return;
-        }
-        for (i = 0; i < num_params; i++) {
-            current_param = PySequence_GetItem(parameters, i);
-            if (!current_param) {
-                return;
-            }
-            adapted = microprotocols_adapt(current_param, (PyObject*)&SQLitePrepareProtocolType, NULL);
-
-            if (adapted) {
-                Py_DECREF(current_param);
-            } else {
-                PyErr_Clear();
-                adapted = current_param;
-            }
-
-            rc = statement_bind_parameter(self, i + 1, adapted);
-            Py_DECREF(adapted);
-
-            if (rc != SQLITE_OK) {
-                PyErr_Format(InterfaceError, "Error binding parameter %d - probably unsupported type.", i);
-                return;
-            }
-        }
-    }
-}
-
-int statement_recompile(Statement* self, PyObject* params)
-{
-    const char* tail;
-    int rc;
-    char* sql_cstr;
-    sqlite3_stmt* new_st;
-
-    sql_cstr = PyString_AsString(self->sql);
-
-    rc = sqlite3_prepare(self->db,
-                         sql_cstr,
-                         -1,
-                         &new_st,
-                         &tail);
-
-    if (rc == SQLITE_OK) {
-        /* The efficient sqlite3_transfer_bindings is only available in SQLite
-         * version 3.2.2 or later. For older SQLite releases, that might not
-         * even define SQLITE_VERSION_NUMBER, we do it the manual way.
-         */
-        #ifdef SQLITE_VERSION_NUMBER
-        #if SQLITE_VERSION_NUMBER >= 3002002
-        (void)sqlite3_transfer_bindings(self->st, new_st);
-        #endif
-        #else
-        statement_bind_parameters(self, params);
-        #endif
-
-        (void)sqlite3_finalize(self->st);
-        self->st = new_st;
-    }
-
-    return rc;
-}
-
-int statement_finalize(Statement* self)
-{
-    int rc;
-
-    rc = SQLITE_OK;
-    if (self->st) {
-        Py_BEGIN_ALLOW_THREADS
-        rc = sqlite3_finalize(self->st);
-        Py_END_ALLOW_THREADS
-        self->st = NULL;
-    }
-
-    self->in_use = 0;
-
-    return rc;
-}
-
-int statement_reset(Statement* self)
-{
-    int rc;
-
-    rc = SQLITE_OK;
-
-    if (self->in_use && self->st) {
-        Py_BEGIN_ALLOW_THREADS
-        rc = sqlite3_reset(self->st);
-        Py_END_ALLOW_THREADS
-
-        if (rc == SQLITE_OK) {
-            self->in_use = 0;
-        }
-    }
-
-    return rc;
-}
-
-void statement_mark_dirty(Statement* self)
-{
-    self->in_use = 1;
-}
-
-void statement_dealloc(Statement* self)
-{
-    int rc;
-
-    if (self->st) {
-        Py_BEGIN_ALLOW_THREADS
-        rc = sqlite3_finalize(self->st);
-        Py_END_ALLOW_THREADS
-    }
-
-    self->st = NULL;
-
-    Py_XDECREF(self->sql);
-
-    if (self->in_weakreflist != NULL) {
-        PyObject_ClearWeakRefs((PyObject*)self);
-    }
-
-    self->ob_type->tp_free((PyObject*)self);
-}
-
-/*
- * Checks if there is anything left in an SQL string after SQLite compiled it.
- * This is used to check if somebody tried to execute more than one SQL command
- * with one execute()/executemany() command, which the DB-API and we don't
- * allow.
- *
- * Returns 1 if there is more left than should be. 0 if ok.
- */
-int check_remaining_sql(const char* tail)
-{
-    const char* pos = tail;
-
-    parse_remaining_sql_state state = NORMAL;
-
-    for (;;) {
-        switch (*pos) {
-            case 0:
-                return 0;
-            case '-':
-                if (state == NORMAL) {
-                    state  = LINECOMMENT_1;
-                } else if (state == LINECOMMENT_1) {
-                    state = IN_LINECOMMENT;
-                }
-                break;
-            case ' ':
-            case '\t':
-                break;
-            case '\n':
-            case 13:
-                if (state == IN_LINECOMMENT) {
-                    state = NORMAL;
-                }
-                break;
-            case '/':
-                if (state == NORMAL) {
-                    state = COMMENTSTART_1;
-                } else if (state == COMMENTEND_1) {
-                    state = NORMAL;
-                } else if (state == COMMENTSTART_1) {
-                    return 1;
-                }
-                break;
-            case '*':
-                if (state == NORMAL) {
-                    return 1;
-                } else if (state == LINECOMMENT_1) {
-                    return 1;
-                } else if (state == COMMENTSTART_1) {
-                    state = IN_COMMENT;
-                } else if (state == IN_COMMENT) {
-                    state = COMMENTEND_1;
-                }
-                break;
-            default:
-                if (state == COMMENTEND_1) {
-                    state = IN_COMMENT;
-                } else if (state == IN_LINECOMMENT) {
-                } else if (state == IN_COMMENT) {
-                } else {
-                    return 1;
-                }
-        }
-
-        pos++;
-    }
-
-    return 0;
-}
-
-PyTypeObject StatementType = {
-        PyObject_HEAD_INIT(NULL)
-        0,                                              /* ob_size */
-        MODULE_NAME ".Statement",                       /* tp_name */
-        sizeof(Statement),                              /* tp_basicsize */
-        0,                                              /* tp_itemsize */
-        (destructor)statement_dealloc,                  /* tp_dealloc */
-        0,                                              /* tp_print */
-        0,                                              /* tp_getattr */
-        0,                                              /* tp_setattr */
-        0,                                              /* tp_compare */
-        0,                                              /* tp_repr */
-        0,                                              /* tp_as_number */
-        0,                                              /* tp_as_sequence */
-        0,                                              /* tp_as_mapping */
-        0,                                              /* tp_hash */
-        0,                                              /* tp_call */
-        0,                                              /* tp_str */
-        0,                                              /* tp_getattro */
-        0,                                              /* tp_setattro */
-        0,                                              /* tp_as_buffer */
-        Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_WEAKREFS,  /* tp_flags */
-        0,                                              /* tp_doc */
-        0,                                              /* tp_traverse */
-        0,                                              /* tp_clear */
-        0,                                              /* tp_richcompare */
-        offsetof(Statement, in_weakreflist),            /* tp_weaklistoffset */
-        0,                                              /* tp_iter */
-        0,                                              /* tp_iternext */
-        0,                                              /* tp_methods */
-        0,                                              /* tp_members */
-        0,                                              /* tp_getset */
-        0,                                              /* tp_base */
-        0,                                              /* tp_dict */
-        0,                                              /* tp_descr_get */
-        0,                                              /* tp_descr_set */
-        0,                                              /* tp_dictoffset */
-        (initproc)0,                                    /* tp_init */
-        0,                                              /* tp_alloc */
-        0,                                              /* tp_new */
-        0                                               /* tp_free */
-};
-
-extern int statement_setup_types(void)
-{
-    StatementType.tp_new = PyType_GenericNew;
-    return PyType_Ready(&StatementType);
-}