Helpers
ListLookup
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
create_new
Creates a list lookup based on list labels in a specified language and returning list node names. Works for all lists in a project.json
Parameters:
Name | Type | Description | Default |
---|---|---|---|
project_json_path
|
str | Path
|
path to a JSON project file (a.k.a. ontology) |
required |
language_of_label
|
str
|
label language used for the list |
required |
default_ontology
|
str
|
ontology prefix which is defined as default in the XML file |
required |
Returns:
Type | Description |
---|---|
ListLookup
|
|
Examples:
list_lookup = xmllib.ListLookup.create_new(
project_json_path="project.json",
language_of_label="en",
default_ontology="default-onto",
)
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
get_node_via_list_name
Returns the list node name based on a label.
The language of the label was specified when creating the ListLookup
.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
list_name
|
str
|
name of the list |
required |
node_label
|
str
|
label of the node |
required |
Returns:
Type | Description |
---|---|
str
|
node name |
Examples:
node_name = list_lookup.get_node_via_list_name(
list_name="list1",
node_label="Label 1" # or: "label 1" (capitalisation is not relevant)
)
# node_name == "node1"
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
get_list_name_and_node_via_property
Returns the list name and the node name based on a property that is used with the list and the label of a node.
The language of the label was specified when creating the ListLookup
.
The list name needs to be referenced in the XML file.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
prop_name
|
str
|
name of the list |
required |
node_label
|
str
|
label of the node |
required |
Returns:
Type | Description |
---|---|
tuple[str, str]
|
list name and node name |
Examples:
list_name, node_name = list_lookup.get_list_name_and_node_via_property(
prop_name=":hasList", # or: "default-onto:hasList"
node_label="label 1"
)
# list_name == "list1"
# node_name == "node1"
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
get_list_name_via_property
Returns the list name as specified in the ontology for a property. The list name needs to be referenced in the XML file.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
prop_name
|
str
|
name of the property |
required |
Returns:
Type | Description |
---|---|
str
|
Name of the list |
Examples:
list_name = list_lookup.get_list_name_via_property(
prop_name=":hasList", # or: "default-onto:hasList"
)
# list_name == "list1"
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
create_footnote_string
Takes the text for a footnote, and returns a string with the correct formatting.
You can use this if you want to add the footnote to a string.
Currently, the newline replacement options are restricted to LINEBREAK
and NONE
.
The reserved characters <
, >
and &
will be escaped temporarily,
but they will be correctly displayed in DSP-APP.
Attention
- The text in the footnote may be richtext, i.e. contain XML tags.
- Not all tags supported in ordinary richtext are currently implemented.
- The allowed tags are:
<br>
(break line)<strong>
(bold)<em>
(italic)<u>
(underline)<strike>
(strike through)<a href="URI">
(link to a URI)<a class="salsah-link" href="Knora IRI">
(link to a resource)
Parameters:
Name | Type | Description | Default |
---|---|---|---|
footnote_text
|
str
|
Text for the footnote |
required |
newline_replacement_option
|
NewlineReplacement
|
options to replace newlines |
LINEBREAK
|
Returns:
Type | Description |
---|---|
str
|
The footnote as a string |
Examples:
result = xmllib.create_footnote_string("Text")
# result == '<footnote content="Text"/>'
result = xmllib.create_footnote_string("Text\nSecond Line")
# result == '<footnote content="Text<br/>Second Line"/>'
result = xmllib.create_footnote_string("Already escaped <>")
# already escaped characters will not be escaped again
# result == '<footnote content="Already escaped <>"/>'
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
create_footnote_element
Takes the text for a footnote, and returns an etree.Element
.
You can use this if you are working with lxml
.
Currently, the newline replacement options are restricted to LINEBREAK
and NONE
.
Attention
- The text in the footnote may be richtext, i.e. contain XML tags.
- Not all tags supported in ordinary richtext are currently implemented.
- The allowed tags are:
<br>
(break line)<strong>
(bold)<em>
(italic)<u>
(underline)<strike>
(strike through)<a href="URI">
(link to a URI)<a class="salsah-link" href="Knora IRI">
(link to a resource)
Parameters:
Name | Type | Description | Default |
---|---|---|---|
footnote_text
|
str
|
Text for the footnote |
required |
newline_replacement_option
|
NewlineReplacement
|
options to replace newlines |
LINEBREAK
|
Returns:
Type | Description |
---|---|
_Element
|
The footnote as a string |
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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create_standoff_link_to_resource
Creates a standoff link to a resource.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
resource_id
|
str
|
ID of the resource that is linked |
required |
displayed_text
|
str
|
text to display for the embedded link |
required |
Returns:
Type | Description |
---|---|
str
|
A standoff link in string form. |
Examples:
result = xmllib.create_standoff_link_to_resource("resource_id", "Text")
# result == '<a class="salsah-link" href="IRI:resource_id:IRI">Text</a>'
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
create_standoff_link_to_uri
Creates a standoff link to a URI.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
uri
|
str
|
the target URI that should be linked to |
required |
displayed_text
|
str
|
text to display for the embedded link |
required |
Returns:
Type | Description |
---|---|
str
|
A standoff link in string form. |
Examples:
result = xmllib.create_standoff_link_to_uri("https://www.dasch.swiss/", "This is DaSCH")
# result == '<a href="https://www.dasch.swiss/">This is DaSCH</a>'
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
get_list_nodes_from_string_via_list_name
Takes a string containing list labels, the separator by which they can be split, a property name and the list lookup. Resolves the labels and returns the list name to be referenced in the XML file and a list of node names. If the string is empty, it returns an empty list.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
string_with_list_labels
|
str
|
the string containing the labels |
required |
label_separator
|
str
|
separator in the string that contains the labels |
required |
list_name
|
str
|
name of the list |
required |
list_lookup
|
ListLookup
|
|
required |
Returns:
Type | Description |
---|---|
list[str]
|
The name of the list and a list of node names. |
Examples:
string_with_list_labels = "Label 1; Label 2"
nodes = xmllib.get_list_nodes_from_string_via_list_name(
string_with_list_labels=string_with_list_labels,
label_separator=";",
list_name="list1",
list_lookup=list_lookup,
)
# nodes == ["node1", "node2"]
string_with_list_labels = ""
nodes = xmllib.get_list_nodes_from_string_via_list_name(
string_with_list_labels=string_with_list_labels,
label_separator=";",
list_name="list1",
list_lookup=list_lookup,
)
# nodes == []
string_with_list_labels = pd.NA
nodes = xmllib.get_list_nodes_from_string_via_list_name(
string_with_list_labels=string_with_list_labels,
label_separator=";",
list_name="list1",
list_lookup=list_lookup,
)
# nodes == []
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
get_list_nodes_from_string_via_property
Takes a string containing list labels, the separator by which they can be split, a property name and the list lookup. Resolves the labels and returns the list name to be referenced in the XML file and a list of node names. If the string is empty, it returns an empty list.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
string_with_list_labels
|
str
|
the string containing the labels |
required |
label_separator
|
str
|
separator in the string that contains the labels |
required |
property_name
|
str
|
name of the property |
required |
list_lookup
|
ListLookup
|
|
required |
Returns:
Type | Description |
---|---|
tuple[str, list[str]]
|
The name of the list and a list of node names. |
Examples:
string_with_list_labels = "Label 1; Label 2"
list_name, nodes = xmllib.get_list_nodes_from_string_via_property(
string_with_list_labels=string_with_list_labels,
label_separator=";",
property_name=":hasList",
list_lookup=list_lookup,
)
# list_name == "list1"
# nodes == ["node1", "node2"]
string_with_list_labels = ""
list_name, nodes = xmllib.get_list_nodes_from_string_via_property(
string_with_list_labels=string_with_list_labels,
label_separator=";",
property_name=":hasList",
list_lookup=list_lookup,
)
# list_name == ""
# nodes == []
string_with_list_labels = pd.NA
list_name, nodes = xmllib.get_list_nodes_from_string_via_property(
string_with_list_labels=string_with_list_labels,
label_separator=";",
property_name=":hasList",
list_lookup=list_lookup,
)
# list_name == ""
# nodes == []
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
escape_reserved_xml_characters
From richtext strings (encoding="xml"), escape the reserved characters <
, >
and &
,
but only if they are not part of a standard standoff tag or escape sequence.
See the documentation for the standard standoff tags allowed by DSP-API, which will not be escaped.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
text
|
str
|
the richtext string to be escaped |
required |
Returns:
Type | Description |
---|---|
str
|
The escaped richtext string |
Examples:
result = xmllib.escape_reserved_xml_characters("Text <unknownTag>")
# result == "Text <unknownTag>"
result = xmllib.escape_reserved_xml_characters("Text <br/> text after")
# result == "Text <br/> text after"
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
reformat_date
Reformats a date string into the DSP format.
- If the input cannot be reformatted according to the configuration, or if the result is not a valid DSP date, a warning is emitted and the original input is returned.
- If the input is empty, a warning is emitted and an empty string is returned.
- If the input is already a correctly formatted DSP-date, the original input is returned.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
date
|
str | int
|
date string to be reformatted |
required |
date_precision_separator
|
str | None
|
the separation between the day, month and year |
required |
date_range_separator
|
str | None
|
the separation between two dates |
required |
date_format
|
DateFormat
|
the format of the date, see |
required |
calendar
|
Calendar
|
the calendar of the date, see |
GREGORIAN
|
era
|
Era | None
|
the era of the date, see |
CE
|
resource_id
|
str | None
|
the ID of the associated resource, this is to improve the error message |
None
|
Returns:
Type | Description |
---|---|
str
|
A reformatted date or the original input if the reformatted result is not a valid DSP date |
Examples:
# default configuration, starting with the day
result = xmllib.reformat_date(
date="1.11.2000",
date_precision_separator=".",
date_range_separator=None,
date_format=xmllib.DateFormat.DD_MM_YYY
)
# result == "GREGORIAN:CE:2000-11-1:CE:2000-11-1"
# default configuration, but starting with the year
result = xmllib.reformat_date(
date="2000.11.1",
date_precision_separator=".",
date_range_separator=None,
date_format=xmllib.DateFormat.YYYY_MM_DD,
)
# result == "GREGORIAN:CE:2000-11-1:CE:2000-11-1"
# with a date range
result = xmllib.reformat_date(
date="1.11.2000-2001",
date_precision_separator=".",
date_range_separator="-",
date_format=xmllib.DateFormat.DD_MM_YYYY,
)
# result == "GREGORIAN:CE:2000-11-1:CE:2001"
# islamic calendar, where eras are not allowed
result = xmllib.reformat_date(
date="1.11.2000",
date_precision_separator=".",
date_range_separator=None,
date_format=xmllib.DateFormat.DD_MM_YYY,
calendar=xmllib.Calendar.ISLAMIC,
era=None
)
# result == "ISLAMIC:2000-11-1:2000-11-1"
# with a different era
result = xmllib.reformat_date(
date="1.11.2000",
date_precision_separator=".",
date_range_separator="-",
date_format=xmllib.DateFormat.DD_MM_YYYY,
era=xmllib.Era.AD
)
# result == "GREGORIAN:AD:2000-11-1:AD:2000-11-1"
# reformatted date, no precision in the date string is required
result = xmllib.reformat_date(
date="2000",
date_precision_separator=".",
date_range_separator="-",
date_format=xmllib.DateFormat.DD_MM_YYYY,
)
# result == "GREGORIAN:CE:2000:CE:2000"
# already correctly formatted date
result = xmllib.reformat_date(
date="GREGORIAN:CE:2000:CE:2000",
date_precision_separator=".",
date_range_separator="-",
date_format=xmllib.DateFormat.DD_MM_YYYY,
)
# result == "GREGORIAN:CE:2000:CE:2000"
# invalid input: a warning is emitted and the original input is returned
result = xmllib.reformat_date(
date="not-a-date",
date_precision_separator=".",
date_range_separator="-",
date_format=xmllib.DateFormat.DD_MM_YYYY,
)
# WARNING is emitted
# result == "not-a-date"
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
find_dates_in_string
Checks if a string contains date values (single dates, or date ranges), and return all found dates as set of DSP-formatted strings. Returns an empty set if no date was found. See XML documentation for details.
Notes
- If no era or calendar is given, dates are interpreted in the Common Era and the Gregorian calendar.
- Standalone numbers from 000-2999, in 3/4-digit form, are interpreted as years CE.
- If a number (with any number of digits) is followed by CE, C.E., AD, A.D., it is interpreted as years CE.
- If a number (with any number of digits) is followed by BCE, BC, B.C., B.C.E., av. J.-C., it is interpreted as years BCE.
- Dates written with slashes are always interpreted in a European manner: 5/11/2021 is the 5th of November.
- In the European notation, 2-digit years are expanded to 4 digits, with the current year as watershed:
- 30.4.24 -> 30.04.2024
- 30.4.50 -> 30.04.1950
Currently supported date formats
- 0476-09-04 -> GREGORIAN:CE:0476-09-04:CE:0476-09-04
- 0476_09_04 -> GREGORIAN:CE:0476-09-04:CE:0476-09-04
- 30.4.2021 -> GREGORIAN:CE:2021-04-30:CE:2021-04-30
- 30.4.21 -> GREGORIAN:CE:2021-04-30:CE:2021-04-30
- 5/11/2021 -> GREGORIAN:CE:2021-11-05:CE:2021-11-05
- Jan 26, 1993 -> GREGORIAN:CE:1993-01-26:CE:1993-01-26
- 26 Jan 1993 -> GREGORIAN:CE:1993-01-26:CE:1993-01-26
- 26 January 1993 -> GREGORIAN:CE:1993-01-26:CE:1993-01-26
-
- Jan. 1993 -> GREGORIAN:CE:1993-01-26:CE:1993-01-26
-
- Januar 1993 -> GREGORIAN:CE:1993-01-26:CE:1993-01-26
- 28.2.-1.12.1515 -> GREGORIAN:CE:1515-02-28:CE:1515-12-01
- 25.-26.2.0800 -> GREGORIAN:CE:0800-02-25:CE:0800-02-26
- 1.9.2022-3.1.2024 -> GREGORIAN:CE:2022-09-01:CE:2024-01-03
- 1848 -> GREGORIAN:CE:1848:CE:1848
- 1849/1850 -> GREGORIAN:CE:1849:CE:1850
- 1849/50 -> GREGORIAN:CE:1849:CE:1850
- 1845-50 -> GREGORIAN:CE:1845:CE:1850
- 840-50 -> GREGORIAN:CE:840:CE:850
- 840-1 -> GREGORIAN:CE:840:CE:841
- 9 BC / 9 B.C. / 9 B.C.E. / 9 BCE -> GREGORIAN:BC:9:BC:9
- 20 BCE - 50 CE -> GREGORIAN:BC:20:CE:50
- 1000-900 av. J.-C. -> GREGORIAN:BC:1000:BC:900
- 45 av. J.-C. -> GREGORIAN:BC:45:BC:45
Parameters:
Name | Type | Description | Default |
---|---|---|---|
string
|
str
|
string to check |
required |
Returns:
Type | Description |
---|---|
set[str]
|
(possibly empty) set of DSP-formatted date strings |
Examples:
result = xmllib.find_dates_in_string("1849/1850")
# result == {"GREGORIAN:CE:1849:CE:1850"}
result = xmllib.find_dates_in_string("not a valid date")
# result == {}
result = xmllib.find_dates_in_string("first date: 2024. Second: 2025.")
# result == {"GREGORIAN:CE:2024:CE:2024", "GREGORIAN:CE:2025:CE:2025"}
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
make_xsd_compatible_id
An xsd:ID may not contain all types of special characters,
and it must start with a letter or underscore.
Replace illegal characters with _
, and prepend a leading _
if necessary.
The string must contain at least one Unicode letter (matching the regex \p{L}
),
_
, !
, ?
, or number, but must not be None
, <NA>
, N/A
, or -
.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
input_value
|
str | float | int
|
input value |
required |
Returns:
Type | Description |
---|---|
str
|
An xsd ID compatible string based on the input value |
Examples:
result = xmllib.make_xsd_compatible_id("0_Universität_Basel")
# result == "_0_Universit_t_Basel"
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
make_xsd_compatible_id_with_uuid
An xsd:ID may not contain all types of special characters,
and it must start with a letter or underscore.
Replace illegal characters with _
, and prepend a leading _
if necessary.
Additionally, add a UUID at the end.
The UUID will be different each time the function is called.
The string must contain at least one Unicode letter (matching the regex \p{L}
),
_
, !
, ?
, or number, but must not be None
, <NA>
, N/A
, or -
.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
input_value
|
str | float | int
|
input value |
required |
Returns:
Type | Description |
---|---|
str
|
an xsd ID based on the input value, with a UUID attached. |
Examples:
result = xmllib.make_xsd_compatible_id_with_uuid("Universität_Basel")
# result == "Universit_t_Basel_88f5cd0b-f333-4174-9030-65900b17773d"
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
create_list_from_string
Creates a list from a string. Trailing and leading whitespaces are removed from the list items.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
string
|
str
|
input string |
required |
separator
|
str
|
The character that separates the different values in the string. For example, a comma or newline. |
required |
Returns:
Type | Description |
---|---|
list[str]
|
The list that results from splitting the input string. If the original string is empty or consists only of whitespace characters, the resulting list will be empty. |
Examples:
result = xmllib.create_non_empty_list_from_string(" One/ Two\n/", "/")
# result == ["One", "Two"]
result = xmllib.create_list_from_string(" \n ", "\n")
# result == []
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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create_non_empty_list_from_string
Creates a list from a string. Trailing and leading whitespaces are removed from the list items.
If the resulting list is empty it will raise an InputError
.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
string
|
str
|
input string |
required |
separator
|
str
|
The character that separates the different values in the string. For example, a comma or newline. |
required |
resource_id
|
str | None
|
If the ID of the resource is provided, a better error message can be composed |
None
|
prop_name
|
str | None
|
If the name of the property is provided, a better error message can be composed |
None
|
Returns:
Type | Description |
---|---|
list[str]
|
The list that results from splitting the input string. |
Examples:
result = xmllib.create_non_empty_list_from_string("One\nTwo ", "\n")
# result == ["One", "Two"]
result = xmllib.create_non_empty_list_from_string(" \n/ ", "/")
# raises InputError
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|
clean_whitespaces_from_string
Remove redundant whitespaces (space, \n
, \t
, etc.) and replace them with a single space.
If the resulting string is empty, a warning will be printed.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
string
|
str
|
input string |
required |
Returns:
Type | Description |
---|---|
str
|
The cleaned string. |
Examples:
result = xmllib.clean_whitespaces_from_string("\t Text\nafter newline")
# result == "Text after newline"
result = xmllib.clean_whitespaces_from_string(" \n\t ")
# result == ""
# warns that the string is now empty
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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find_license_in_string
Checks if a string contains a license, and returns it. Returns None if no license was found. The case (upper case/lower case) is ignored.
Look out: Your string should contain no more than 1 license. If it contains more, there is no guarantee which one will be returned.
See recommended licenses for details.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
string
|
str
|
string to check |
required |
Returns:
Type | Description |
---|---|
License | None
|
|
Examples:
result = xmllib.find_license_in_string("CC BY")
# result == LicenseRecommended.CC.BY
result = xmllib.find_license_in_string("Creative Commons Developing Nations 2.0 Generic Deed")
# result == None
Currently supported license formats
- "AI" -> LicenseRecommended.DSP.AI_GENERATED
- "KI" -> LicenseRecommended.DSP.AI_GENERATED
- "IA" -> LicenseRecommended.DSP.AI_GENERATED
- "public domain" -> LicenseRecommended.DSP.PUBLIC_DOMAIN
- "gemeinfrei" -> LicenseRecommended.DSP.PUBLIC_DOMAIN
- "frei von Urheberrechten" -> LicenseRecommended.DSP.PUBLIC_DOMAIN
- "urheberrechtsbefreit" -> LicenseRecommended.DSP.PUBLIC_DOMAIN
- "libre de droits" -> LicenseRecommended.DSP.PUBLIC_DOMAIN
- "domaine public" -> LicenseRecommended.DSP.PUBLIC_DOMAIN
- "unknown" -> LicenseRecommended.DSP.UNKNOWN
- "unbekannt" -> LicenseRecommended.DSP.UNKNOWN
- "inconnu" -> LicenseRecommended.DSP.UNKNOWN
- "CC BY" -> LicenseRecommended.CC.BY
- "Creative Commons BY 4.0" -> LicenseRecommended.CC.BY
- "CC 0 1.0" -> LicenseOther.Public.CC_0_1_0
- "CC PDM 1.0" -> LicenseOther.Public.CC_PDM_1_0
- "BORIS Standard License" -> LicenseOther.Various.BORIS_STANDARD
- "LICENCE OUVERTE 2.0" -> LicenseOther.Various.FRANCE_OUVERTE
Source code in dsp/dsp-tools/src/dsp_tools/xmllib/helpers.py
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|