Mercurial > hgrepos > Python2 > PyMuPDF

annotate src_classic/helper-fileobj.i @ 36:14b91574d44a v1.26.4+2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
+++++ v1.26.4+2
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 22 Sep 2025 11:43:48 +0200
parents 1d09e1dec1d9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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diff changeset
1 %{
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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2 //-------------------------------------
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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3 // fz_output for Python file objects
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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4 //-------------------------------------
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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5 static void
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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6 JM_bytesio_write(fz_context *ctx, void *opaque, const void *data, size_t len)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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7 { // bio.write(bytes object)
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8 PyObject *bio = opaque, *b, *name, *rc;
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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9 fz_try(ctx){
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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10 b = PyBytes_FromStringAndSize((const char *) data, (Py_ssize_t) len);
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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11 name = PyUnicode_FromString("write");
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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12 PyObject_CallMethodObjArgs(bio, name, b, NULL);
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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13 rc = PyErr_Occurred();
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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diff changeset
14 if (rc) {
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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15 RAISEPY(ctx, "could not write to Py file obj", rc);
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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16 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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17 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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18 fz_always(ctx) {
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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19 Py_XDECREF(b);
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20 Py_XDECREF(name);
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21 Py_XDECREF(rc);
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22 PyErr_Clear();
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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23 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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24 fz_catch(ctx) {
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25 fz_rethrow(ctx);
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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26 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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27 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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28
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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29 static void
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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30 JM_bytesio_truncate(fz_context *ctx, void *opaque)
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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31 { // bio.truncate(bio.tell()) !!!
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32 PyObject *bio = opaque, *trunc = NULL, *tell = NULL, *rctell= NULL, *rc = NULL;
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33 fz_try(ctx) {
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34 trunc = PyUnicode_FromString("truncate");
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35 tell = PyUnicode_FromString("tell");
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36 rctell = PyObject_CallMethodObjArgs(bio, tell, NULL);
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37 PyObject_CallMethodObjArgs(bio, trunc, rctell, NULL);
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38 rc = PyErr_Occurred();
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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39 if (rc) {
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40 RAISEPY(ctx, "could not truncate Py file obj", rc);
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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41 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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42 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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43 fz_always(ctx) {
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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44 Py_XDECREF(tell);
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45 Py_XDECREF(trunc);
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46 Py_XDECREF(rc);
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47 Py_XDECREF(rctell);
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48 PyErr_Clear();
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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49 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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50 fz_catch(ctx) {
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51 fz_rethrow(ctx);
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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52 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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53 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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54
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55 static int64_t
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56 JM_bytesio_tell(fz_context *ctx, void *opaque)
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57 { // returns bio.tell() -> int
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58 PyObject *bio = opaque, *rc = NULL, *name = NULL;
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59 int64_t pos = 0;
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60 fz_try(ctx) {
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61 name = PyUnicode_FromString("tell");
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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62 rc = PyObject_CallMethodObjArgs(bio, name, NULL);
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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63 if (!rc) {
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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64 RAISEPY(ctx, "could not tell Py file obj", PyErr_Occurred());
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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65 }
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66 pos = (int64_t) PyLong_AsUnsignedLongLong(rc);
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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67 }
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68 fz_always(ctx) {
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69 Py_XDECREF(name);
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70 Py_XDECREF(rc);
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71 PyErr_Clear();
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72 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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73 fz_catch(ctx) {
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74 fz_rethrow(ctx);
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75 }
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76 return pos;
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77 }
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78
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79
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80 static void
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81 JM_bytesio_seek(fz_context *ctx, void *opaque, int64_t off, int whence)
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82 { // bio.seek(off, whence=0)
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83 PyObject *bio = opaque, *rc = NULL, *name = NULL, *pos = NULL;
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84 fz_try(ctx) {
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85 name = PyUnicode_FromString("seek");
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86 pos = PyLong_FromUnsignedLongLong((unsigned long long) off);
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87 PyObject_CallMethodObjArgs(bio, name, pos, whence, NULL);
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88 rc = PyErr_Occurred();
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89 if (rc) {
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90 RAISEPY(ctx, "could not seek Py file obj", rc);
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91 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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92 }
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93 fz_always(ctx) {
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94 Py_XDECREF(rc);
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95 Py_XDECREF(name);
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96 Py_XDECREF(pos);
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97 PyErr_Clear();
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98 }
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99 fz_catch(ctx) {
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100 fz_rethrow(ctx);
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101 }
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102 }
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103
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104 fz_output *
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105 JM_new_output_fileptr(fz_context *ctx, PyObject *bio)
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106 {
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107 fz_output *out = fz_new_output(ctx, 0, bio, JM_bytesio_write, NULL, NULL);
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108 out->seek = JM_bytesio_seek;
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109 out->tell = JM_bytesio_tell;
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110 out->truncate = JM_bytesio_truncate;
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111 return out;
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112 }
1d09e1dec1d9 ADD: PyMuPDF v1.26.4: the original sdist.
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113 %}