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#-*- coding: utf-8 -*-
# pysqlite2/dbapi.py: pysqlite DB-API module
#
# Copyright (C) 2007-2008 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.
#
# Note: This software has been modified for use in PyPy.
import sys, os
from cffi import FFI as _FFI
_ffi = _FFI()
_ffi.cdef("""
#define SQLITE_OK ...
#define SQLITE_ERROR ...
#define SQLITE_INTERNAL ...
#define SQLITE_PERM ...
#define SQLITE_ABORT ...
#define SQLITE_BUSY ...
#define SQLITE_LOCKED ...
#define SQLITE_NOMEM ...
#define SQLITE_READONLY ...
#define SQLITE_INTERRUPT ...
#define SQLITE_IOERR ...
#define SQLITE_CORRUPT ...
#define SQLITE_NOTFOUND ...
#define SQLITE_FULL ...
#define SQLITE_CANTOPEN ...
#define SQLITE_PROTOCOL ...
#define SQLITE_EMPTY ...
#define SQLITE_SCHEMA ...
#define SQLITE_TOOBIG ...
#define SQLITE_CONSTRAINT ...
#define SQLITE_MISMATCH ...
#define SQLITE_MISUSE ...
#define SQLITE_NOLFS ...
#define SQLITE_AUTH ...
#define SQLITE_FORMAT ...
#define SQLITE_RANGE ...
#define SQLITE_NOTADB ...
#define SQLITE_ROW ...
#define SQLITE_DONE ...
#define SQLITE_INTEGER ...
#define SQLITE_FLOAT ...
#define SQLITE_BLOB ...
#define SQLITE_NULL ...
#define SQLITE_TEXT ...
#define SQLITE3_TEXT ...
static void *const SQLITE_TRANSIENT;
#define SQLITE_UTF8 ...
#define SQLITE_DENY ...
#define SQLITE_IGNORE ...
#define SQLITE_CREATE_INDEX ...
#define SQLITE_CREATE_TABLE ...
#define SQLITE_CREATE_TEMP_INDEX ...
#define SQLITE_CREATE_TEMP_TABLE ...
#define SQLITE_CREATE_TEMP_TRIGGER ...
#define SQLITE_CREATE_TEMP_VIEW ...
#define SQLITE_CREATE_TRIGGER ...
#define SQLITE_CREATE_VIEW ...
#define SQLITE_DELETE ...
#define SQLITE_DROP_INDEX ...
#define SQLITE_DROP_TABLE ...
#define SQLITE_DROP_TEMP_INDEX ...
#define SQLITE_DROP_TEMP_TABLE ...
#define SQLITE_DROP_TEMP_TRIGGER ...
#define SQLITE_DROP_TEMP_VIEW ...
#define SQLITE_DROP_TRIGGER ...
#define SQLITE_DROP_VIEW ...
#define SQLITE_INSERT ...
#define SQLITE_PRAGMA ...
#define SQLITE_READ ...
#define SQLITE_SELECT ...
#define SQLITE_TRANSACTION ...
#define SQLITE_UPDATE ...
#define SQLITE_ATTACH ...
#define SQLITE_DETACH ...
#define SQLITE_ALTER_TABLE ...
#define SQLITE_REINDEX ...
#define SQLITE_ANALYZE ...
#define SQLITE_CREATE_VTABLE ...
#define SQLITE_DROP_VTABLE ...
#define SQLITE_FUNCTION ...
const char *sqlite3_libversion(void);
typedef ... sqlite3;
typedef ... sqlite3_stmt;
typedef ... sqlite3_context;
typedef ... sqlite3_value;
typedef int64_t sqlite3_int64;
typedef uint64_t sqlite3_uint64;
int sqlite3_open(
const char *filename, /* Database filename (UTF-8) */
sqlite3 **ppDb /* OUT: SQLite db handle */
);
int sqlite3_close(sqlite3 *);
int sqlite3_busy_timeout(sqlite3*, int ms);
int sqlite3_prepare_v2(
sqlite3 *db, /* Database handle */
const char *zSql, /* SQL statement, UTF-8 encoded */
int nByte, /* Maximum length of zSql in bytes. */
sqlite3_stmt **ppStmt, /* OUT: Statement handle */
const char **pzTail /* OUT: Pointer to unused portion of zSql */
);
int sqlite3_finalize(sqlite3_stmt *pStmt);
int sqlite3_data_count(sqlite3_stmt *pStmt);
int sqlite3_column_count(sqlite3_stmt *pStmt);
const char *sqlite3_column_name(sqlite3_stmt*, int N);
int sqlite3_get_autocommit(sqlite3*);
int sqlite3_reset(sqlite3_stmt *pStmt);
int sqlite3_step(sqlite3_stmt*);
int sqlite3_errcode(sqlite3 *db);
const char *sqlite3_errmsg(sqlite3*);
int sqlite3_changes(sqlite3*);
int sqlite3_bind_blob(sqlite3_stmt*, int, const void*, int n, void(*)(void*));
int sqlite3_bind_double(sqlite3_stmt*, int, double);
int sqlite3_bind_int(sqlite3_stmt*, int, int);
int sqlite3_bind_int64(sqlite3_stmt*, int, sqlite3_int64);
int sqlite3_bind_null(sqlite3_stmt*, int);
int sqlite3_bind_text(sqlite3_stmt*, int, const char*, int n, void(*)(void*));
int sqlite3_bind_text16(sqlite3_stmt*, int, const void*, int, void(*)(void*));
int sqlite3_bind_value(sqlite3_stmt*, int, const sqlite3_value*);
int sqlite3_bind_zeroblob(sqlite3_stmt*, int, int n);
const void *sqlite3_column_blob(sqlite3_stmt*, int iCol);
int sqlite3_column_bytes(sqlite3_stmt*, int iCol);
double sqlite3_column_double(sqlite3_stmt*, int iCol);
int sqlite3_column_int(sqlite3_stmt*, int iCol);
sqlite3_int64 sqlite3_column_int64(sqlite3_stmt*, int iCol);
const unsigned char *sqlite3_column_text(sqlite3_stmt*, int iCol);
const void *sqlite3_column_text16(sqlite3_stmt*, int iCol);
int sqlite3_column_type(sqlite3_stmt*, int iCol);
const char *sqlite3_column_decltype(sqlite3_stmt*,int);
void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*);
int sqlite3_create_collation(
sqlite3*,
const char *zName,
int eTextRep,
void*,
int(*xCompare)(void*,int,const void*,int,const void*)
);
int sqlite3_set_authorizer(
sqlite3*,
int (*xAuth)(void*,int,const char*,const char*,const char*,const char*),
void *pUserData
);
int sqlite3_create_function(
sqlite3 *db,
const char *zFunctionName,
int nArg,
int eTextRep,
void *pApp,
void (*xFunc)(sqlite3_context*,int,sqlite3_value**),
void (*xStep)(sqlite3_context*,int,sqlite3_value**),
void (*xFinal)(sqlite3_context*)
);
void *sqlite3_aggregate_context(sqlite3_context*, int nBytes);
sqlite3_int64 sqlite3_last_insert_rowid(sqlite3*);
int sqlite3_bind_parameter_count(sqlite3_stmt*);
const char *sqlite3_bind_parameter_name(sqlite3_stmt*, int);
int sqlite3_total_changes(sqlite3*);
int sqlite3_prepare(
sqlite3 *db, /* Database handle */
const char *zSql, /* SQL statement, UTF-8 encoded */
int nByte, /* Maximum length of zSql in bytes. */
sqlite3_stmt **ppStmt, /* OUT: Statement handle */
const char **pzTail /* OUT: Pointer to unused portion of zSql */
);
void sqlite3_result_blob(sqlite3_context*, const void*, int, void(*)(void*));
void sqlite3_result_double(sqlite3_context*, double);
void sqlite3_result_error(sqlite3_context*, const char*, int);
void sqlite3_result_error16(sqlite3_context*, const void*, int);
void sqlite3_result_error_toobig(sqlite3_context*);
void sqlite3_result_error_nomem(sqlite3_context*);
void sqlite3_result_error_code(sqlite3_context*, int);
void sqlite3_result_int(sqlite3_context*, int);
void sqlite3_result_int64(sqlite3_context*, sqlite3_int64);
void sqlite3_result_null(sqlite3_context*);
void sqlite3_result_text(sqlite3_context*, const char*, int, void(*)(void*));
void sqlite3_result_text16(sqlite3_context*, const void*, int, void(*)(void*));
void sqlite3_result_text16le(sqlite3_context*,const void*, int,void(*)(void*));
void sqlite3_result_text16be(sqlite3_context*,const void*, int,void(*)(void*));
void sqlite3_result_value(sqlite3_context*, sqlite3_value*);
void sqlite3_result_zeroblob(sqlite3_context*, int n);
const void *sqlite3_value_blob(sqlite3_value*);
int sqlite3_value_bytes(sqlite3_value*);
int sqlite3_value_bytes16(sqlite3_value*);
double sqlite3_value_double(sqlite3_value*);
int sqlite3_value_int(sqlite3_value*);
sqlite3_int64 sqlite3_value_int64(sqlite3_value*);
const unsigned char *sqlite3_value_text(sqlite3_value*);
const void *sqlite3_value_text16(sqlite3_value*);
const void *sqlite3_value_text16le(sqlite3_value*);
const void *sqlite3_value_text16be(sqlite3_value*);
int sqlite3_value_type(sqlite3_value*);
int sqlite3_value_numeric_type(sqlite3_value*);
""")
def _has_load_extension():
"""Only available since 3.3.6"""
unverified_ffi = _FFI()
unverified_ffi.cdef("""
typedef ... sqlite3;
int sqlite3_enable_load_extension(sqlite3 *db, int onoff);
""")
libname = 'sqlite3'
if sys.platform == 'win32':
import os
_libname = os.path.join(os.path.dirname(sys.executable), libname)
if os.path.exists(_libname + '.dll'):
libname = _libname
unverified_lib = unverified_ffi.dlopen(libname)
return hasattr(unverified_lib, 'sqlite3_enable_load_extension')
if _has_load_extension():
_ffi.cdef("int sqlite3_enable_load_extension(sqlite3 *db, int onoff);")
libraries=['sqlite3']
if sys.platform.startswith('freebsd'):
_localbase = os.environ.get('LOCALBASE', '/usr/local')
extra_args = dict(
libraries=libraries,
include_dirs=[os.path.join(_localbase, 'include')],
library_dirs=[os.path.join(_localbase, 'lib')]
)
else:
extra_args = dict(
libraries=libraries,
)
_ffi.set_source("_sqlite3_cffi", "#include <sqlite3.h>", **extra_args)
if __name__ == "__main__":
_ffi.compile()
if sys.platform == 'win32':
# copy dlls from externals to the pwd
# maybe we should link to libraries instead of the dlls
# to avoid this mess
import os, glob, shutil
path_parts = os.environ['PATH'].split(';')
candidates = [x for x in path_parts if 'externals' in x]
def copy_from_path(dll):
for c in candidates:
files = glob.glob(os.path.join(c, dll + '*.dll'))
if files:
for fname in files:
print('copying', fname)
shutil.copy(fname, '.')
if candidates:
for lib in libraries:
copy_from_path(lib)
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