...
| Code Block |
|---|
{
"@context": "http://clowder.ncsa.illinois.edu/contexts/extractors.jsonld",
"name": "ncsa.wordcount",
"version": "2.0",
"description": "WordCount extractor. Counts the number of characters, words and lines in the text file that was uploaded.",
"author": "Rob Kooper <kooper@illinois.edu>",
"contributors": [],
"contexts": [
{
"lines": "http://clowder.ncsa.illinois.edu/metadata/ncsa.wordcount#lines",
"words": "http://clowder.ncsa.illinois.edu/metadata/ncsa.wordcount#words",
"characters": "http://clowder.ncsa.illinois.edu/metadata/ncsa.wordcount#characters"
}
],
"repository": [
{
"repType": "git",
"repUrl": "https://opensource.ncsa.illinois.edu/stash/scm/cats/pyclowder.git"
}
],
"process": {
"file": [
"text/*",
"application/json"
]
},
"external_services": [],
"dependencies": [],
"labels": [],
"bibtex": []
}
|
...
contexts
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process
When and the unit of processing for an extractor. In the example above, the word count extractor is processed on a single file. Below is an example of starting an extractor when a file is added to a dataset:
| Code Block |
|---|
"process": {
"dataset": [
"file.added"
]
}, |
...
dependencies
a list of packages the extractor depends upon
| Code Block |
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"dependencies": [ "imagemagick", "ufraw-batch" ], |
...
parameters
Allows parameters to be passed to extractor upon submission.
...
| Code Block |
|---|
"parameters":{
"schema": {
"fields": {
"type": "string",
"title": "Naming Fields",
"default": "None"
}
},
"form": [
{
"key": "fields",
"notitle":false
}
]
}, |
The following shows up as such above code translates as the following within Clowder:
A more complicated example:
...