Variable
Classes for ODF document variables and fields.
This module provides classes for various types of document fields that can be automatically updated, such as dates, times, page numbers, and document metadata (e.g., author, title). It also includes classes for declaring and managing custom variables (‘text:variable-set’, ‘text:variable-get’).
Classes:
| Name | Description |
|---|---|
VarChapter |
A chapter field, “text:chapter”. |
VarCreationDate |
A creation date field, “text:creation-date”. |
VarCreationTime |
A creation time field, “text:creation-time”. |
VarDate |
A date field, “text:date”. |
VarDescription |
A description field, “text:description”. |
VarFileName |
A file name field, “text:file-name”. |
VarGet |
A variable getter, “text:variable-get”. |
VarInitialCreator |
An initial creator field, “text:initial-creator”. |
VarKeywords |
A keywords field, “text:keywords”. |
VarPageCount |
A page count field, “text:page-count”. |
VarPageNumber |
A page number field, “text:page-number”. |
VarSet |
A variable setter, “text:variable-set”. |
VarSubject |
A subject field, “text:subject”. |
VarTime |
A time field, “text:time”. |
VarTitle |
A title field, “text:title”. |
VarChapter
Bases: Element
A chapter field, “text:chapter”.
Displays information about the current chapter, such as its name or number.
Attributes:
| Name | Type | Description |
|---|---|---|
display |
str
|
The format for displaying the chapter information (e.g., ‘name’, ‘number’, ‘number-and-name’). |
outline_level |
str
|
The heading level to consider for the chapter information. |
Methods:
| Name | Description |
|---|---|
__init__ |
Initialize the VarChapter element. |
Source code in odfdo/variable.py
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DISPLAY_VALUE_CHOICE
class-attribute
instance-attribute
DISPLAY_VALUE_CHOICE: ClassVar = {
"number",
"name",
"number-and-name",
"plain-number",
"plain-number-and-name",
}
_properties
class-attribute
instance-attribute
_properties = (
PropDef("display", "text:display"),
PropDef("outline_level", "text:outline-level"),
)
_tag
class-attribute
instance-attribute
_tag = 'text:chapter'
display
instance-attribute
display = display
outline_level
instance-attribute
outline_level = outline_level
__init__
__init__(
display: str | None = "name",
outline_level: str | None = None,
**kwargs: Any,
) -> None
Initialize the VarChapter element.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
display
|
str | None
|
The format for the chapter information. Can be ‘name’ (default), ‘number’, ‘number-and-name’, etc. |
'name'
|
outline_level
|
str | None
|
The heading outline level to use for chapter context. |
None
|
kwargs
|
Any
|
Arbitrary keyword arguments for the Element base class. |
{}
|
Source code in odfdo/variable.py
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VarCreationDate
Bases: Element
A creation date field, “text:creation-date”.
Displays the date the document was created, based on metadata.
Attributes:
| Name | Type | Description |
|---|---|---|
fixed |
bool
|
If True, the field is not updated automatically. |
data_style |
str
|
The style for formatting the date. |
Methods:
| Name | Description |
|---|---|
__init__ |
Initialize the VarCreationDate element. |
Source code in odfdo/variable.py
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_properties
class-attribute
instance-attribute
_properties = (
PropDef("fixed", "text:fixed"),
PropDef("data_style", "style:data-style-name"),
)
_tag
class-attribute
instance-attribute
_tag = 'text:creation-date'
data_style
instance-attribute
data_style = data_style
fixed
instance-attribute
fixed = True
__init__
__init__(
fixed: bool = False,
data_style: str | None = None,
**kwargs: Any,
) -> None
Initialize the VarCreationDate element.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
fixed
|
bool
|
If True, the field is not updated automatically. |
False
|
data_style
|
str | None
|
The style name for formatting. |
None
|
kwargs
|
Any
|
Arbitrary keyword arguments for the Element base class. |
{}
|
Source code in odfdo/variable.py
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VarCreationTime
Bases: Element
A creation time field, “text:creation-time”.
Displays the time the document was created, based on metadata.
Attributes:
| Name | Type | Description |
|---|---|---|
fixed |
bool
|
If True, the field is not updated automatically. |
data_style |
str
|
The style for formatting the time. |
Methods:
| Name | Description |
|---|---|
__init__ |
Initialize the VarCreationTime element. |
Source code in odfdo/variable.py
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_properties
class-attribute
instance-attribute
_properties = (
PropDef("fixed", "text:fixed"),
PropDef("data_style", "style:data-style-name"),
)
_tag
class-attribute
instance-attribute
_tag = 'text:creation-time'
data_style
instance-attribute
data_style = data_style
fixed
instance-attribute
fixed = True
__init__
__init__(
fixed: bool = False,
data_style: str | None = None,
**kwargs: Any,
) -> None
Initialize the VarCreationTime element.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
fixed
|
bool
|
If True, the field is not updated automatically. |
False
|
data_style
|
str | None
|
The style name for formatting. |
None
|
kwargs
|
Any
|
Arbitrary keyword arguments for the Element base class. |
{}
|
Source code in odfdo/variable.py
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VarDate
Bases: Element
A date field, “text:date”.
Displays a date, which can be fixed or automatically updated.
Attributes:
| Name | Type | Description |
|---|---|---|
date |
str
|
The date value in ISO 8601 format. |
fixed |
bool
|
If True, the date is not updated automatically. |
data_style |
str
|
The style for formatting the date. |
date_adjust |
str
|
A duration to add to or subtract from the date. |
Methods:
| Name | Description |
|---|---|
__init__ |
Initialize the VarDate element. |
Source code in odfdo/variable.py
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_properties
class-attribute
instance-attribute
_properties = (
PropDef("date", "text:date-value"),
PropDef("fixed", "text:fixed"),
PropDef("data_style", "style:data-style-name"),
PropDef("date_adjust", "text:date-adjust"),
)
_tag
class-attribute
instance-attribute
_tag = 'text:date'
data_style
instance-attribute
data_style = data_style
date
instance-attribute
date = DateTime.encode(date)
date_adjust
instance-attribute
date_adjust = Duration.encode(date_adjust)
fixed
instance-attribute
fixed = True
text
instance-attribute
text = text
__init__
__init__(
date: datetime | None = None,
fixed: bool = False,
data_style: str | None = None,
text: str | None = None,
date_adjust: timedelta | None = None,
**kwargs: Any,
) -> None
Initialize the VarDate element.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
date
|
datetime | None
|
The date value. If not provided, the field may be updated automatically by a consumer. |
None
|
fixed
|
bool
|
If True, the date is not updated automatically. |
False
|
data_style
|
str | None
|
The style name for formatting. |
None
|
text
|
str | None
|
The textual representation of the date.
If not provided, it is generated from |
None
|
date_adjust
|
timedelta | None
|
A timedelta to adjust the date value. |
None
|
kwargs
|
Any
|
Arbitrary keyword arguments for the Element base class. |
{}
|
Source code in odfdo/variable.py
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VarDescription
Bases: VarInitialCreator
A description field, “text:description”.
Displays the document’s description (or comments) from its metadata.
Source code in odfdo/variable.py
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_tag
class-attribute
instance-attribute
_tag = 'text:description'
VarFileName
Bases: Element
A file name field, “text:file-name”.
Displays the file name of the document, with different formatting options.
Attributes:
| Name | Type | Description |
|---|---|---|
display |
str
|
The format for the file name (‘full’, ‘path’, ‘name’, ‘name-and-extension’). |
fixed |
bool
|
If True, the file name is not updated automatically. |
Methods:
| Name | Description |
|---|---|
__init__ |
Initialize the VarFileName element. |
Source code in odfdo/variable.py
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DISPLAY_VALUE_CHOICE
class-attribute
instance-attribute
DISPLAY_VALUE_CHOICE: ClassVar = {
"full",
"path",
"name",
"name-and-extension",
}
_properties
class-attribute
instance-attribute
_properties = (
PropDef("display", "text:display"),
PropDef("fixed", "text:fixed"),
)
_tag
class-attribute
instance-attribute
_tag = 'text:file-name'
display
instance-attribute
display = display
fixed
instance-attribute
fixed = True
__init__
__init__(
display: str | None = "full",
fixed: bool = False,
**kwargs: Any,
) -> None
Initialize the VarFileName element.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
display
|
str | None
|
The format for the file name. Can be ‘full’ (default), ‘path’, ‘name’, or ‘name-and-extension’. |
'full'
|
fixed
|
bool
|
If True, the field is not updated automatically. |
False
|
kwargs
|
Any
|
Arbitrary keyword arguments for the Element base class. |
{}
|
Source code in odfdo/variable.py
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VarGet
Bases: ElementTyped
A variable getter, “text:variable-get”.
This element displays the current value of a variable at its position in the document.
Attributes:
| Name | Type | Description |
|---|---|---|
name |
str
|
The name of the variable to display. |
style |
str
|
The data style for formatting the value. |
Methods:
| Name | Description |
|---|---|
__init__ |
Initialize the VarGet element. |
Source code in odfdo/variable.py
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_properties
class-attribute
instance-attribute
_properties = (
PropDef("name", "text:name"),
PropDef("style", "style:data-style-name"),
)
_tag
class-attribute
instance-attribute
_tag = 'text:variable-get'
name
instance-attribute
name = name
style
instance-attribute
style = style
text
instance-attribute
text = text
__init__
__init__(
name: str | None = None,
value: Any = None,
value_type: str | None = None,
text: str | None = None,
style: str | None = None,
**kwargs: Any,
) -> None
Initialize the VarGet element.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
name
|
str | None
|
The name of the variable to get. |
None
|
value
|
Any
|
An initial value to display. |
None
|
value_type
|
str | None
|
The ODF value type. |
None
|
text
|
str | None
|
The textual representation to display. |
None
|
style
|
str | None
|
The data style name for formatting. |
None
|
kwargs
|
Any
|
Arbitrary keyword arguments for the Element base class. |
{}
|
Source code in odfdo/variable.py
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VarInitialCreator
Bases: Element
An initial creator field, “text:initial-creator”.
Displays the name of the person who initially created the document, based on the document’s metadata.
Attributes:
| Name | Type | Description |
|---|---|---|
fixed |
bool
|
If True, the field is not updated automatically. |
Methods:
| Name | Description |
|---|---|
__init__ |
Initialize the VarInitialCreator element. |
Source code in odfdo/variable.py
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_properties
class-attribute
instance-attribute
_properties = (PropDef('fixed', 'text:fixed'),)
_tag
class-attribute
instance-attribute
_tag = 'text:initial-creator'
fixed
instance-attribute
fixed = True
__init__
__init__(fixed: bool = False, **kwargs: Any) -> None
Initialize the VarInitialCreator element.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
fixed
|
bool
|
If True, the field is not updated automatically. |
False
|
kwargs
|
Any
|
Arbitrary keyword arguments for the Element base class. |
{}
|
Source code in odfdo/variable.py
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VarKeywords
Bases: VarInitialCreator
A keywords field, “text:keywords”.
Displays the document’s keywords from its metadata.
Source code in odfdo/variable.py
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_tag
class-attribute
instance-attribute
_tag = 'text:keywords'
VarPageCount
Bases: Element
A page count field, “text:page-count”.
Displays the total number of pages in the document.
Source code in odfdo/variable.py
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_tag
class-attribute
instance-attribute
_tag = 'text:page-count'
VarPageNumber
Bases: Element
A page number field, “text:page-number”.
Displays the page number, which can be the current, previous, or next page number, with an optional adjustment.
Attributes:
| Name | Type | Description |
|---|---|---|
select_page |
str
|
Which page number to display (‘current’, ‘previous’, ‘next’). |
page_adjust |
str
|
A numerical value to add to or subtract from the page number. |
Methods:
| Name | Description |
|---|---|
__init__ |
Initialize the VarPageNumber element. |
Source code in odfdo/variable.py
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_properties
class-attribute
instance-attribute
_properties = (
PropDef("select_page", "text:select-page"),
PropDef("page_adjust", "text:page-adjust"),
)
_tag
class-attribute
instance-attribute
_tag = 'text:page-number'
page_adjust
instance-attribute
page_adjust = page_adjust
select_page
instance-attribute
select_page = select_page
__init__
__init__(
select_page: str | None = None,
page_adjust: str | None = None,
**kwargs: Any,
) -> None
Initialize the VarPageNumber element.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
select_page
|
str | None
|
The page to select: ‘current’ (the default), ‘previous’, or ‘next’. |
None
|
page_adjust
|
str | None
|
A numerical value to add to or subtract from the selected page number. |
None
|
kwargs
|
Any
|
Arbitrary keyword arguments for the Element base class. |
{}
|
Source code in odfdo/variable.py
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VarSet
Bases: ElementTyped
A variable setter, “text:variable-set”.
This element sets the value of a declared variable. It can optionally display the value at its position in the text.
Attributes:
| Name | Type | Description |
|---|---|---|
name |
str
|
The name of the variable to set. |
style |
str
|
The data style for formatting the displayed value. |
display |
str
|
Controls whether the value is displayed (‘none’ or omitted). |
Methods:
| Name | Description |
|---|---|
__init__ |
Initialize the VarSet element. |
set_value |
Set the value of the variable. |
Source code in odfdo/variable.py
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_properties
class-attribute
instance-attribute
_properties = (
PropDef("name", "text:name"),
PropDef("style", "style:data-style-name"),
PropDef("display", "text:display"),
)
_tag
class-attribute
instance-attribute
_tag = 'text:variable-set'
display
instance-attribute
display = 'none'
name
instance-attribute
name = name
style
instance-attribute
style = style
text
instance-attribute
text = text
__init__
__init__(
name: str | None = None,
value: Any = None,
value_type: str | None = None,
display: str | bool = False,
text: str | None = None,
style: str | None = None,
**kwargs: Any,
) -> None
Initialize the VarSet element.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
name
|
str | None
|
The name of the variable to set. |
None
|
value
|
Any
|
The value to assign to the variable. |
None
|
value_type
|
str | None
|
The ODF value type. |
None
|
display
|
str | bool
|
If False or ‘none’, the value is not displayed. Otherwise, it is. Defaults to False. |
False
|
text
|
str | None
|
The textual representation of the value. |
None
|
style
|
str | None
|
The data style name for formatting. |
None
|
kwargs
|
Any
|
Arbitrary keyword arguments for the Element base class. |
{}
|
Source code in odfdo/variable.py
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set_value
set_value(value: Any) -> None
Set the value of the variable.
This method updates the value and value type, preserving other attributes like name, style, and display setting.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
value
|
Any
|
The new value for the variable. |
required |
Source code in odfdo/variable.py
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VarSubject
Bases: VarInitialCreator
A subject field, “text:subject”.
Displays the document’s subject from its metadata.
Source code in odfdo/variable.py
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_tag
class-attribute
instance-attribute
_tag = 'text:subject'
VarTime
Bases: Element
A time field, “text:time”.
Displays a time, which can be fixed or automatically updated.
Attributes:
| Name | Type | Description |
|---|---|---|
time |
str
|
The time value in ISO 8601 format. |
fixed |
bool
|
If True, the time is not updated automatically. |
data_style |
str
|
The style for formatting the time. |
time_adjust |
str
|
A duration to add to or subtract from the time. |
Methods:
| Name | Description |
|---|---|
__init__ |
Initialize the VarTime element. |
Source code in odfdo/variable.py
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_properties
class-attribute
instance-attribute
_properties = (
PropDef("time", "text:time-value"),
PropDef("fixed", "text:fixed"),
PropDef("data_style", "style:data-style-name"),
PropDef("time_adjust", "text:time-adjust"),
)
_tag
class-attribute
instance-attribute
_tag = 'text:time'
data_style
instance-attribute
data_style = data_style
fixed
instance-attribute
fixed = True
text
instance-attribute
text = text
time
instance-attribute
time = DateTime.encode(time)
time_adjust
instance-attribute
time_adjust = Duration.encode(time_adjust)
__init__
__init__(
time: datetime | time | None = None,
fixed: bool = False,
data_style: str | None = None,
text: str | None = None,
time_adjust: timedelta | None = None,
**kwargs: Any,
) -> None
Initialize the VarTime element.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
time
|
datetime | time | None
|
The time value. Defaults to the current time. |
None
|
fixed
|
bool
|
If True, the time is not updated automatically. |
False
|
data_style
|
str | None
|
The style name for formatting. |
None
|
text
|
str | None
|
The textual representation of the time.
If not provided, it is generated from |
None
|
time_adjust
|
timedelta | None
|
A timedelta to adjust the time value. |
None
|
kwargs
|
Any
|
Arbitrary keyword arguments for the Element base class. |
{}
|
Source code in odfdo/variable.py
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VarTitle
Bases: VarInitialCreator
A title field, “text:title”.
Displays the document’s title from its metadata.
Source code in odfdo/variable.py
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_tag
class-attribute
instance-attribute
_tag = 'text:title'