This release is a pre-release and may not be stable for production use.
ovos-date-parser
ovos-date-parser is a comprehensive library for multilingual date and time parsing, extraction, and formatting,
designed to handle a range of human-readable date, time, and duration expressions.
Features
- Date and Time Extraction: Extract specific dates and times from natural language phrases in various languages.
- Duration Parsing: Parse phrases that indicate a span of time, such as "two hours and fifteen minutes."
- Friendly Time Formatting: Format time for human-friendly output, supporting both 12-hour and 24-hour formats.
- Relative Time Descriptions: Generate relative descriptions (e.g., "tomorrow," "in three days") for given dates.
- Multilingual Support: Includes extraction and formatting methods for multiple languages, such as English, Spanish, French, German, and more.
Installation
pip install ovos-date-parser
Languages Supported
ovos-date-parser supports a wide array of languages, each with its own set of methods for handling natural language
time expressions.
- โ - supported
- โ - not supported
- ๐ง - imperfect placeholder, usually a language agnostic implementation or external library
Parse
| Language | extract_duration |
extract_datetime |
|---|---|---|
| az | โ | โ |
| ca | โ | โ |
| cs | โ | โ |
| da | โ | โ |
| de | โ | โ |
| en | โ | โ |
| es | โ | โ |
| gl | โ | ๐ง |
| eu | โ | โ |
| fa | โ | โ |
| fr | โ | โ |
| hu | โ | ๐ง |
| it | โ | โ |
| nl | โ | โ |
| oc | โ | โ |
| pl | โ | โ |
| pt | โ | โ |
| ro | โ | โ |
| ru | โ | โ |
| sv | โ | โ |
| uk | โ | โ |
๐ก If a language is not implemented for
extract_datetimethen dateparser will be used as a fallback
Format
| Language | nice_datenice_date_timenice_day nice_weekday nice_month nice_year get_date_strings |
nice_time |
nice_relative_time |
nice_duration |
|---|---|---|---|---|
| az | โ | โ | ๐ง | โ |
| ca | โ | โ | ๐ง | โ |
| cs | โ | โ | ๐ง | โ |
| da | โ | โ | ๐ง | โ |
| de | โ | โ | ๐ง | โ |
| en | โ | โ | ๐ง | โ |
| es | โ | โ | ๐ง | โ |
| gl | โ | โ | ๐ง | โ |
| eu | โ | โ | โ | โ |
| fa | โ | โ | ๐ง | โ |
| fr | โ | โ | ๐ง | โ |
| hu | โ | โ | ๐ง | โ |
| it | โ | โ | ๐ง | โ |
| nl | โ | โ | ๐ง | โ |
| oc | โ | โ | ๐ง | โ |
| pl | โ | โ | ๐ง | โ |
| pt | โ | โ | ๐ง | โ |
| ro | โ | โ | ๐ง | โ |
| ru | โ | โ | ๐ง | โ |
| sv | โ | โ | ๐ง | โ |
| sl | โ | โ | ๐ง | โ |
| uk | โ | โ | ๐ง | โ |
Usage
Date and Time Extraction
Extract specific dates and times from a phrase. This function identifies date-related terms in natural language and returns both the datetime object and any remaining text.
from ovos_date_parser import extract_datetime
result = extract_datetime("Meet me next Friday at 3pm", lang="en")
print(result) # (datetime object, "at 3pm")
Duration Extraction
Identify duration phrases in text and convert them into a timedelta object. This can parse common human-friendly
duration expressions like "30 minutes" or "two and a half hours."
from ovos_date_parser import extract_duration
duration, remainder = extract_duration("It will take about 2 hours and 30 minutes", lang="en")
print(duration) # timedelta object
print(remainder) # "about"
Formatting Time
Generate a natural-sounding time format suitable for voice or display in different languages, allowing customization for speech or written text.
from ovos_date_parser import nice_time
from datetime import datetime
dt = datetime.now()
formatted_time = nice_time(dt, lang="en", speech=True, use_24hour=False)
print(formatted_time) # "three o'clock"
Relative Time Descriptions
Create relative phrases for describing dates and times in relation to the current moment or a reference datetime.
from ovos_date_parser import nice_relative_time
from datetime import datetime, timedelta
relative_time = nice_relative_time(datetime.now() + timedelta(days=1), datetime.now(), lang="en")
print(relative_time) # "tomorrow"
Documentation
- API reference โ every public function and its parameters
- Language notes โ per-language behaviour and known gaps
- Adding a language โ implementation guide
- examples/ โ runnable example scripts
Related Projects
- ovos-number-parser - for handling numbers
- ovos-lang-parser - for handling languages
- ovos-color-parser - for handling colors
License
This project is licensed under the Apache 2.0 License
1 maintainer
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