1 #include "blob.h"
5 #include "clinic/blob.c.h"
10 class _sqlite3.Blob "pysqlite_Blob *" "clinic_state()->BlobType"
17     if (self->blob) {  in close_blob()
18         sqlite3_blob *blob = self->blob;  in close_blob()  local
19         self->blob = NULL;  in close_blob()
22         sqlite3_blob_close(blob);  in close_blob()
58 // Return 1 if the blob object is usable, 0 if not.
66     if (self->blob == NULL) {  in check_blob()
69                         "Cannot operate on a closed blob.");  in check_blob()
77 _sqlite3.Blob.close as blob_close
79 Close the blob.
100         PyObject *blob = PyWeakref_GetObject(weakref);  in pysqlite_close_all_blobs()  local
101         if (!Py_IsNone(blob)) {  in pysqlite_close_all_blobs()
102             close_blob((pysqlite_Blob *)blob);  in pysqlite_close_all_blobs()
112     // SQLite pre 3.8.8 does not set this blob error on the connection  in blob_seterror()
115                         "Cannot operate on an expired blob handle");  in blob_seterror()
128     rc = sqlite3_blob_read(self->blob, (void *)&buf, 1, (int)offset);  in read_single()
141     assert(length <= sqlite3_blob_bytes(self->blob));  in read_multiple()
142     assert(offset < sqlite3_blob_bytes(self->blob));  in read_multiple()
152     rc = sqlite3_blob_read(self->blob, raw_buffer, (int)length, (int)offset);  in read_multiple()
165 _sqlite3.Blob.read as blob_read
173 If the end of the blob is reached, the data up to end of file will be returned.
174 When length is not specified, or is negative, Blob.read() will read until the
175 end of the blob.
186     /* Make sure we never read past "EOB". Also read the rest of the blob if a  in blob_read_impl()
188     int blob_len = sqlite3_blob_bytes(self->blob);  in blob_read_impl()
211     Py_ssize_t blob_len = sqlite3_blob_bytes(self->blob);  in inner_write()
214         PyErr_SetString(PyExc_ValueError, "data longer than blob length");  in inner_write()
221     rc = sqlite3_blob_write(self->blob, buf, (int)len, (int)offset);  in inner_write()
233 _sqlite3.Blob.write as blob_write
240 This function cannot change the blob length.  Writing beyond the end of the
241 blob will result in an exception being raised.
262 _sqlite3.Blob.seek as blob_seek
270 The origin argument defaults to os.SEEK_SET (absolute blob positioning).
272 and os.SEEK_END (seek relative to the blob's end).
283     int blob_len = sqlite3_blob_bytes(self->blob);  in blob_seek_impl()
307         PyErr_SetString(PyExc_ValueError, "offset out of blob range");  in blob_seek_impl()
321 _sqlite3.Blob.tell as blob_tell
323 Return the current access position for the blob.
338 _sqlite3.Blob.__enter__ as blob_enter
340 Blob context manager enter.
355 _sqlite3.Blob.__exit__ as blob_exit
362 Blob context manager exit.
383     return sqlite3_blob_bytes(self->blob);  in blob_length()
393     int blob_len = sqlite3_blob_bytes(self->blob);  in get_subscript_index()
398         PyErr_SetString(PyExc_IndexError, "Blob index out of range");  in get_subscript_index()
421     int len = sqlite3_blob_bytes(self->blob);  in get_slice_info()
437     PyObject *blob = read_multiple(self, stop - start, start);  in subscript_slice()  local
438     if (blob == NULL) {  in subscript_slice()
443         char *blob_buf = PyBytes_AS_STRING(blob);  in subscript_slice()
448         Py_DECREF(blob);  in subscript_slice()
467     PyErr_SetString(PyExc_TypeError, "Blob indices must be integers");  in blob_subscript()
476                         "Blob doesn't support item deletion");  in ass_subscript_index()
509                         "Blob doesn't support slice deletion");  in ass_subscript_slice()
530                         "Blob slice assignment is wrong size");  in ass_subscript_slice()
564     PyErr_SetString(PyExc_TypeError, "Blob indices must be integers");  in blob_ass_subscript()
600     .name = MODULE_NAME ".Blob",