Source code for pdftools_sdk.pdf.metadata_settings
from __future__ import annotations
import io
from typing import List, Iterator, Tuple, Optional, Any, TYPE_CHECKING, Callable
from ctypes import *
from datetime import datetime
from numbers import Number
from pdftools_sdk.internal import _lib
from pdftools_sdk.internal.utils import _string_to_utf16, _utf16_to_string
from pdftools_sdk.internal.streams import _StreamDescriptor, _NativeStream
from pdftools_sdk.internal.native_base import _NativeBase
from pdftools_sdk.internal.native_object import _NativeObject
import pdftools_sdk.internal
if TYPE_CHECKING:
from pdftools_sdk.sys.date import _Date
else:
_Date = "pdftools_sdk.sys.date._Date"
[docs]
class MetadataSettings(_NativeObject):
"""
It allows you to set and update individual metadata properties.
Any metadata properties that have been explicitly set are included in the output document.
"""
[docs]
def __init__(self):
"""
"""
_lib.PdfToolsPdf_MetadataSettings_New.argtypes = []
_lib.PdfToolsPdf_MetadataSettings_New.restype = c_void_p
ret_val = _lib.PdfToolsPdf_MetadataSettings_New()
if ret_val is None:
_NativeBase._throw_last_error(False)
super()._initialize(ret_val)
@property
def title(self) -> Optional[str]:
"""
The title of the document or resource.
This property corresponds to the "dc:title" entry
in the XMP metadata and to the "Title" entry in
the document information dictionary.
Returns:
Optional[str]
Raises:
StateError:
If the metadata settings have already been closed
"""
_lib.PdfToolsPdf_MetadataSettings_GetTitleW.argtypes = [c_void_p, POINTER(c_wchar), c_size_t]
_lib.PdfToolsPdf_MetadataSettings_GetTitleW.restype = c_size_t
ret_val_size = _lib.PdfToolsPdf_MetadataSettings_GetTitleW(self._handle, None, 0)
if ret_val_size == 0:
_NativeBase._throw_last_error()
return None
ret_val = create_unicode_buffer(ret_val_size)
_lib.PdfToolsPdf_MetadataSettings_GetTitleW(self._handle, ret_val, c_size_t(ret_val_size))
return _utf16_to_string(ret_val, ret_val_size)
@title.setter
def title(self, val: Optional[str]) -> None:
"""
The title of the document or resource.
This property corresponds to the "dc:title" entry
in the XMP metadata and to the "Title" entry in
the document information dictionary.
Args:
val (Optional[str]):
property value
Raises:
StateError:
If the metadata settings have already been closed
"""
if val is not None and not isinstance(val, str):
raise TypeError(f"Expected type {str.__name__} or None, but got {type(val).__name__}.")
_lib.PdfToolsPdf_MetadataSettings_SetTitleW.argtypes = [c_void_p, c_wchar_p]
_lib.PdfToolsPdf_MetadataSettings_SetTitleW.restype = c_bool
if not _lib.PdfToolsPdf_MetadataSettings_SetTitleW(self._handle, _string_to_utf16(val)):
_NativeBase._throw_last_error(False)
@property
def author(self) -> Optional[str]:
"""
The name of the person who created the document or resource.
This property corresponds to the "dc:creator" entry
in the XMP metadata and to the "Author" entry in
the document information dictionary.
Returns:
Optional[str]
Raises:
StateError:
If the metadata settings have already been closed
"""
_lib.PdfToolsPdf_MetadataSettings_GetAuthorW.argtypes = [c_void_p, POINTER(c_wchar), c_size_t]
_lib.PdfToolsPdf_MetadataSettings_GetAuthorW.restype = c_size_t
ret_val_size = _lib.PdfToolsPdf_MetadataSettings_GetAuthorW(self._handle, None, 0)
if ret_val_size == 0:
_NativeBase._throw_last_error()
return None
ret_val = create_unicode_buffer(ret_val_size)
_lib.PdfToolsPdf_MetadataSettings_GetAuthorW(self._handle, ret_val, c_size_t(ret_val_size))
return _utf16_to_string(ret_val, ret_val_size)
@author.setter
def author(self, val: Optional[str]) -> None:
"""
The name of the person who created the document or resource.
This property corresponds to the "dc:creator" entry
in the XMP metadata and to the "Author" entry in
the document information dictionary.
Args:
val (Optional[str]):
property value
Raises:
StateError:
If the metadata settings have already been closed
"""
if val is not None and not isinstance(val, str):
raise TypeError(f"Expected type {str.__name__} or None, but got {type(val).__name__}.")
_lib.PdfToolsPdf_MetadataSettings_SetAuthorW.argtypes = [c_void_p, c_wchar_p]
_lib.PdfToolsPdf_MetadataSettings_SetAuthorW.restype = c_bool
if not _lib.PdfToolsPdf_MetadataSettings_SetAuthorW(self._handle, _string_to_utf16(val)):
_NativeBase._throw_last_error(False)
@property
def subject(self) -> Optional[str]:
"""
The subject of the document or resource.
This property corresponds to the "dc:description" entry
in the XMP metadata and to the "Subject" entry in
the document information dictionary.
Returns:
Optional[str]
Raises:
StateError:
If the metadata settings have already been closed
"""
_lib.PdfToolsPdf_MetadataSettings_GetSubjectW.argtypes = [c_void_p, POINTER(c_wchar), c_size_t]
_lib.PdfToolsPdf_MetadataSettings_GetSubjectW.restype = c_size_t
ret_val_size = _lib.PdfToolsPdf_MetadataSettings_GetSubjectW(self._handle, None, 0)
if ret_val_size == 0:
_NativeBase._throw_last_error()
return None
ret_val = create_unicode_buffer(ret_val_size)
_lib.PdfToolsPdf_MetadataSettings_GetSubjectW(self._handle, ret_val, c_size_t(ret_val_size))
return _utf16_to_string(ret_val, ret_val_size)
@subject.setter
def subject(self, val: Optional[str]) -> None:
"""
The subject of the document or resource.
This property corresponds to the "dc:description" entry
in the XMP metadata and to the "Subject" entry in
the document information dictionary.
Args:
val (Optional[str]):
property value
Raises:
StateError:
If the metadata settings have already been closed
"""
if val is not None and not isinstance(val, str):
raise TypeError(f"Expected type {str.__name__} or None, but got {type(val).__name__}.")
_lib.PdfToolsPdf_MetadataSettings_SetSubjectW.argtypes = [c_void_p, c_wchar_p]
_lib.PdfToolsPdf_MetadataSettings_SetSubjectW.restype = c_bool
if not _lib.PdfToolsPdf_MetadataSettings_SetSubjectW(self._handle, _string_to_utf16(val)):
_NativeBase._throw_last_error(False)
@property
def keywords(self) -> Optional[str]:
"""
Keywords associated with the document or resource.
Keywords can be separated by:
- carriage return / line feed
- comma
- semicolon
- tab
- double space
This property corresponds to the "pdf:Keywords" entry
in the XMP metadata and to the "Keywords" entry in
the document information dictionary.
Returns:
Optional[str]
Raises:
StateError:
If the metadata settings have already been closed
"""
_lib.PdfToolsPdf_MetadataSettings_GetKeywordsW.argtypes = [c_void_p, POINTER(c_wchar), c_size_t]
_lib.PdfToolsPdf_MetadataSettings_GetKeywordsW.restype = c_size_t
ret_val_size = _lib.PdfToolsPdf_MetadataSettings_GetKeywordsW(self._handle, None, 0)
if ret_val_size == 0:
_NativeBase._throw_last_error()
return None
ret_val = create_unicode_buffer(ret_val_size)
_lib.PdfToolsPdf_MetadataSettings_GetKeywordsW(self._handle, ret_val, c_size_t(ret_val_size))
return _utf16_to_string(ret_val, ret_val_size)
@keywords.setter
def keywords(self, val: Optional[str]) -> None:
"""
Keywords associated with the document or resource.
Keywords can be separated by:
- carriage return / line feed
- comma
- semicolon
- tab
- double space
This property corresponds to the "pdf:Keywords" entry
in the XMP metadata and to the "Keywords" entry in
the document information dictionary.
Args:
val (Optional[str]):
property value
Raises:
StateError:
If the metadata settings have already been closed
"""
if val is not None and not isinstance(val, str):
raise TypeError(f"Expected type {str.__name__} or None, but got {type(val).__name__}.")
_lib.PdfToolsPdf_MetadataSettings_SetKeywordsW.argtypes = [c_void_p, c_wchar_p]
_lib.PdfToolsPdf_MetadataSettings_SetKeywordsW.restype = c_bool
if not _lib.PdfToolsPdf_MetadataSettings_SetKeywordsW(self._handle, _string_to_utf16(val)):
_NativeBase._throw_last_error(False)
@property
def creator(self) -> Optional[str]:
"""
The original application that created the document.
The name of the first known tool used to create the document or resource.
This property corresponds to the "xmp:CreatorTool" entry
in the XMP metadata and to the "Creator" entry in
the document information dictionary.
Returns:
Optional[str]
Raises:
StateError:
If the metadata settings have already been closed
"""
_lib.PdfToolsPdf_MetadataSettings_GetCreatorW.argtypes = [c_void_p, POINTER(c_wchar), c_size_t]
_lib.PdfToolsPdf_MetadataSettings_GetCreatorW.restype = c_size_t
ret_val_size = _lib.PdfToolsPdf_MetadataSettings_GetCreatorW(self._handle, None, 0)
if ret_val_size == 0:
_NativeBase._throw_last_error()
return None
ret_val = create_unicode_buffer(ret_val_size)
_lib.PdfToolsPdf_MetadataSettings_GetCreatorW(self._handle, ret_val, c_size_t(ret_val_size))
return _utf16_to_string(ret_val, ret_val_size)
@creator.setter
def creator(self, val: Optional[str]) -> None:
"""
The original application that created the document.
The name of the first known tool used to create the document or resource.
This property corresponds to the "xmp:CreatorTool" entry
in the XMP metadata and to the "Creator" entry in
the document information dictionary.
Args:
val (Optional[str]):
property value
Raises:
StateError:
If the metadata settings have already been closed
"""
if val is not None and not isinstance(val, str):
raise TypeError(f"Expected type {str.__name__} or None, but got {type(val).__name__}.")
_lib.PdfToolsPdf_MetadataSettings_SetCreatorW.argtypes = [c_void_p, c_wchar_p]
_lib.PdfToolsPdf_MetadataSettings_SetCreatorW.restype = c_bool
if not _lib.PdfToolsPdf_MetadataSettings_SetCreatorW(self._handle, _string_to_utf16(val)):
_NativeBase._throw_last_error(False)
@property
def producer(self) -> Optional[str]:
"""
The application that created the PDF
If the document has been converted to PDF from another format,
the name of the PDF processor that converted the document to PDF.
This property corresponds to the "pdf:Producer" entry
in the XMP metadata and to the "Producer" entry in
the document information dictionary.
Returns:
Optional[str]
Raises:
StateError:
If the metadata settings have already been closed
"""
_lib.PdfToolsPdf_MetadataSettings_GetProducerW.argtypes = [c_void_p, POINTER(c_wchar), c_size_t]
_lib.PdfToolsPdf_MetadataSettings_GetProducerW.restype = c_size_t
ret_val_size = _lib.PdfToolsPdf_MetadataSettings_GetProducerW(self._handle, None, 0)
if ret_val_size == 0:
_NativeBase._throw_last_error()
return None
ret_val = create_unicode_buffer(ret_val_size)
_lib.PdfToolsPdf_MetadataSettings_GetProducerW(self._handle, ret_val, c_size_t(ret_val_size))
return _utf16_to_string(ret_val, ret_val_size)
@producer.setter
def producer(self, val: Optional[str]) -> None:
"""
The application that created the PDF
If the document has been converted to PDF from another format,
the name of the PDF processor that converted the document to PDF.
This property corresponds to the "pdf:Producer" entry
in the XMP metadata and to the "Producer" entry in
the document information dictionary.
Args:
val (Optional[str]):
property value
Raises:
StateError:
If the metadata settings have already been closed
"""
if val is not None and not isinstance(val, str):
raise TypeError(f"Expected type {str.__name__} or None, but got {type(val).__name__}.")
_lib.PdfToolsPdf_MetadataSettings_SetProducerW.argtypes = [c_void_p, c_wchar_p]
_lib.PdfToolsPdf_MetadataSettings_SetProducerW.restype = c_bool
if not _lib.PdfToolsPdf_MetadataSettings_SetProducerW(self._handle, _string_to_utf16(val)):
_NativeBase._throw_last_error(False)
@property
def creation_date(self) -> Optional[datetime]:
"""
The date and time the document or resource was originally created.
This property corresponds to the "xmp:CreateDate" entry
in the XMP metadata and to the "CreationDate" entry in
the document information dictionary.
Returns:
Optional[datetime]
Raises:
StateError:
If the metadata settings have already been closed
"""
from pdftools_sdk.sys.date import _Date
_lib.PdfToolsPdf_MetadataSettings_GetCreationDate.argtypes = [c_void_p, POINTER(_Date)]
_lib.PdfToolsPdf_MetadataSettings_GetCreationDate.restype = c_bool
ret_val = _Date()
if not _lib.PdfToolsPdf_MetadataSettings_GetCreationDate(self._handle, byref(ret_val)):
_NativeBase._throw_last_error()
return None
return ret_val._to_datetime()
@creation_date.setter
def creation_date(self, val: Optional[datetime]) -> None:
"""
The date and time the document or resource was originally created.
This property corresponds to the "xmp:CreateDate" entry
in the XMP metadata and to the "CreationDate" entry in
the document information dictionary.
Args:
val (Optional[datetime]):
property value
Raises:
StateError:
If the metadata settings have already been closed
ValueError:
The date is invalid.
"""
from pdftools_sdk.sys.date import _Date
if val is not None and not isinstance(val, datetime):
raise TypeError(f"Expected type {datetime.__name__} or None, but got {type(val).__name__}.")
_lib.PdfToolsPdf_MetadataSettings_SetCreationDate.argtypes = [c_void_p, POINTER(_Date)]
_lib.PdfToolsPdf_MetadataSettings_SetCreationDate.restype = c_bool
if not _lib.PdfToolsPdf_MetadataSettings_SetCreationDate(self._handle, _Date._from_datetime(val)):
_NativeBase._throw_last_error(False)
@property
def modification_date(self) -> Optional[datetime]:
"""
The date and time the document or resource was most recently modified.
This property corresponds to the "xmp:ModifyDate" entry
in the XMP metadata and to the "ModDate" entry in
the document information dictionary.
Returns:
Optional[datetime]
Raises:
StateError:
If the metadata settings have already been closed
"""
from pdftools_sdk.sys.date import _Date
_lib.PdfToolsPdf_MetadataSettings_GetModificationDate.argtypes = [c_void_p, POINTER(_Date)]
_lib.PdfToolsPdf_MetadataSettings_GetModificationDate.restype = c_bool
ret_val = _Date()
if not _lib.PdfToolsPdf_MetadataSettings_GetModificationDate(self._handle, byref(ret_val)):
_NativeBase._throw_last_error()
return None
return ret_val._to_datetime()
@modification_date.setter
def modification_date(self, val: Optional[datetime]) -> None:
"""
The date and time the document or resource was most recently modified.
This property corresponds to the "xmp:ModifyDate" entry
in the XMP metadata and to the "ModDate" entry in
the document information dictionary.
Args:
val (Optional[datetime]):
property value
Raises:
StateError:
If the metadata settings have already been closed
ValueError:
The date is invalid.
"""
from pdftools_sdk.sys.date import _Date
if val is not None and not isinstance(val, datetime):
raise TypeError(f"Expected type {datetime.__name__} or None, but got {type(val).__name__}.")
_lib.PdfToolsPdf_MetadataSettings_SetModificationDate.argtypes = [c_void_p, POINTER(_Date)]
_lib.PdfToolsPdf_MetadataSettings_SetModificationDate.restype = c_bool
if not _lib.PdfToolsPdf_MetadataSettings_SetModificationDate(self._handle, _Date._from_datetime(val)):
_NativeBase._throw_last_error(False)
@staticmethod
def _create_dynamic_type(handle):
return MetadataSettings._from_handle(handle)
@classmethod
def _from_handle(cls, handle):
"""
Internal factory method for constructing an instance using an internal handle.
This method creates an instance of the class by bypassing the public constructor.
"""
instance = MetadataSettings.__new__(cls) # Bypass __init__
instance._initialize(handle)
return instance
def _initialize(self, handle):
super()._initialize(handle)