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MrDraw/docs/api/fileops.rst
Gina Häußge cd973adedf Improved slicing and file management 
- File management is prepared to support folders (UI still lacking support)
- STL files are now first class citizens
  - can be managed via the file list (and filtered from it)
  - can be sliced on demand
- Slicing now happens via plugins
- Added Cura plugin
  - uses CuraEngine directly instead of full Cura installation
  - Cura profile importer for importing profiles from regular Cura installs via settings dialog
  - TODO: UI for editing profiles
- API for slicing and slicing profile management
2014-10-06 17:34:07 +02:00

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.. _sec-api-fileops:
***************
File operations
***************
.. contents::
.. _sec-api-fileops-retrieveall:
Retrieve all files
==================
.. http:get:: /api/files
Retrieve information regarding all files currently available and regarding the disk space still available
locally in the system.
Returns a :ref:`Retrieve response <sec-api-fileops-datamodel-retrieveresponse>`.
**Example**:
.. sourcecode:: http
GET /api/files HTTP/1.1
Host: example.com
X-Api-Key: abcdef...
.. sourcecode:: http
HTTP/1.1 200 OK
Content-Type: application/json
{
"files": [
{
"name": "whistle_v2.gcode",
"size": 1468987,
"date": 1378847754,
"origin": "local",
"refs": {
"resource": "http://example.com/api/files/local/whistle_v2.gcode",
"download": "http://example.com/downloads/files/local/whistle_v2.gcode"
},
"gcodeAnalysis": {
"estimatedPrintTime": 1188,
"filament": {
"length": 810,
"volume": 5.36
}
},
"print": {
"failure": 4,
"success": 23,
"last": {
"date": 1387144346,
"success": true
}
}
},
{
"name": "whistle_.gco",
"origin": "sdcard",
"refs": {
"resource": "http://example.com/api/files/sdcard/whistle_.gco"
}
}
],
"free": "3.2GB"
}
:statuscode 200: No error
.. _sec-api-fileops-retrievelocation:
Retrieve files from specific location
=====================================
.. http:get:: /api/files/(string:location)
Retrieve information regarding the files currently available on the selected `location` and -- if targeting
the ``local`` location -- regarding the disk space still available locally in the system.
Returns a :ref:`Retrieve response <sec-api-fileops-datamodel-retrieveresponse>`.
**Example**:
.. sourcecode:: http
GET /api/files/local HTTP/1.1
Host: example.com
X-Api-Key: abcdef...
.. sourcecode:: http
HTTP/1.1 200 OK
Content-Type: application/json
{
"files": [
{
"name": "whistle_v2.gcode",
"size": 1468987,
"date": 1378847754,
"origin": "local",
"refs": {
"resource": "http://example.com/api/files/local/whistle_v2.gcode",
"download": "http://example.com/downloads/files/local/whistle_v2.gcode"
},
"gcodeAnalysis": {
"estimatedPrintTime": 1188,
"filament": {
"length": 810,
"volume": 5.36
}
},
"print": {
"failure": 4,
"success": 23,
"last": {
"date": 1387144346,
"success": true
}
}
}
],
"free": "3.2GB"
}
:param location: The origin location from which to retrieve the files. Currently only ``local`` and ``sdcard`` are
supported, with ``local`` referring to files stored in OctoPrint's ``uploads`` folder and ``sdcard``
referring to files stored on the printer's SD card (if available).
:statuscode 200: No error
:statuscode 404: If `location` is neither ``local`` nor ``sdcard``
.. _sec-api-fileops-uploadfile:
Upload file
===========
.. http:post:: /api/files/(string:location)
Upload a file to the selected `location`.
Other than most of the other requests on OctoPrint's API which are expected as JSON, this request is expected as
``Content-Type: multipart/form-data`` due to the included file upload.
Returns a :http:statuscode:`201` response with a ``Location`` header set to the management URL of the uploaded
file and an :ref:`Upload Response <sec-api-fileops-datamodel-uploadresponse>` as the body upon successful completion.
**Example**
.. sourcecode:: http
POST /api/files/sdcard HTTP/1.1
Host: example.com
X-Api-Key: abcdef...
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryDeC2E3iWbTv1PwMC
------WebKitFormBoundaryDeC2E3iWbTv1PwMC
Content-Disposition: form-data; name="file"; filename="whistle_v2.gcode"
Content-Type: application/octet-stream
;Generated with Cura_SteamEngine 13.11.2
M109 T0 S220.000000
T0
;Sliced at: Wed 11-12-2013 16:53:12
;Basic settings: Layer height: 0.2 Walls: 0.8 Fill: 20
;Print time: #P_TIME#
;Filament used: #F_AMNT#m #F_WGHT#g
;Filament cost: #F_COST#
;M190 S70 ;Uncomment to add your own bed temperature line
;M109 S220 ;Uncomment to add your own temperature line
G21 ;metric values
G90 ;absolute positioning
...
------WebKitFormBoundaryDeC2E3iWbTv1PwMC
Content-Disposition: form-data; name="select"
true
------WebKitFormBoundaryDeC2E3iWbTv1PwMC
Content-Disposition: form-data; name="print"
true
------WebKitFormBoundaryDeC2E3iWbTv1PwMC--
.. sourcecode:: http
HTTP/1.1 200 OK
Content-Type: application/json
Location: http://example.com/api/files/sdcard/whistle_.gcode
{
"files": {
"local": {
"name": "whistle_v2.gcode",
"origin": "local",
"refs": {
"resource": "http://example.com/api/files/local/whistle_v2.gcode",
"download": "http://example.com/downloads/files/local/whistle_v2.gcode"
}
},
"sdcard": {
"name": "whistle_.gco",
"origin": "sdcard",
"refs": {
"resource": "http://example.com/api/files/sdcard/whistle_.gco"
}
}
},
"done": true
}
:param location: The target location to which to upload the file. Currently only ``local`` and ``sdcard`` are supported
here, with ``local`` referring to OctoPrint's ``uploads`` folder and ``sdcard`` referring to
the printer's SD card. If an upload targets the SD card, it will also be stored locally first.
:form file: The file to upload, including a valid ``filename``.
:form select: Whether to select the file directly after upload (``true``) or not (``false``). Optional, defaults
to ``false``.
:form print: Whether to start printing the file directly after upload (``true``) or not (``false``). If set, `select`
is implicitely ``true`` as well. Optional, defaults to ``false``.
:statuscode 201: No error
:statuscode 400: If no `file` is included in the request, or the request is otherwise invalid.
:statuscode 404: If `location` is neither ``local`` nor ``sdcard`` or trying to upload to SD card and SD card support
is disabled
:statuscode 409: If the upload of the file would override the file that is currently being printed or if an upload
to SD card was requested and the printer is either not operational or currently busy with a print job.
:statuscode 415: If the file is neither a ``gcode`` nor an ``stl`` file (or it is an ``stl`` file but slicing support
is disabled)
:statuscode 500: If the upload failed internally
.. _sec-api-fileops-retrievefileinfo:
Retrieve a specific file's information
======================================
.. http:get:: /api/files/(string:location)/(path:filename)
Retrieves the selected file's information.
If the file is unknown, a :http:statuscode:`404` is returned.
On success, a :http:statuscode:`200` is returned, with a :ref:`file information item <sec-api-datamodel-files-file>`
as the response body.
**Example**
.. sourcecode:: http
GET /api/files/local/whistle_v2.gcode HTTP/1.1
Host: example.com
X-Api-Key: abcdef...
.. sourcecode:: http
HTTP/1.1 200 OK
Content-Type: application/json
{
"name": "whistle_v2.gcode",
"size": 1468987,
"date": 1378847754,
"origin": "local",
"refs": {
"resource": "http://example.com/api/files/local/whistle_v2.gcode",
"download": "http://example.com/downloads/files/local/whistle_v2.gcode"
},
"gcodeAnalysis": {
"estimatedPrintTime": 1188,
"filament": {
"length": 810,
"volume": 5.36
}
},
"print": {
"failure": 4,
"success": 23,
"last": {
"date": 1387144346,
"success": true
}
}
}
:param location: The location of the file for which to retrieve the information, either ``local`` or ``sdcard``.
:param filename: The filename of the file for which to retrieve the information
:statuscode 200: No error
:statuscode 404: If `target` is neither ``local`` nor ``sdcard``, ``sdcard`` but SD card support is disabled or the
requested file was not found
.. _sec-api-fileops-filecommand:
Issue a file command
====================
.. http:post:: /api/files/(string:target)/(path:filename)
Issue a file command to an existing file. Currently supported commands are:
select
Selects a file for printing. Additional parameters are:
* ``print``: Optional, if set to ``true`` the file will start printing directly after selection. If the printer
is not operational when this parameter is present and set to ``true``, the request will fail with a response
of ``409 Conflict``.
slice
Slices an STL file into GCODE. Note that this is an asynchronous operation that will take place in the background
after the response has been sent back to the client. Additional parameters are:
* ``slicer``: The slicing engine to use, defaults to ``cura`` if not set, which is also the only supported slicer right now.
* ``gcode``: Name of the GCODE file to generated, in the same location as the STL file. Defaults to the STL file name
with extension ``.gco`` if not set.
* ``profile``: Name of the slicing profile to use, if not set the default slicing profile of the slicer will be used.
* ``profile.*``: Override parameters, the ``profile.`` prefix will be stripped and the matching profile key will
be overridden with the supplied value. Use this if you want to specify things that change often like a different
temperature, filament diameter or infill percentage. Profile keys are slicer specific.
Upon success, a status code of :http:statuscode:`204` and an empty body is returned, unless specified otherwise.
**Example Select Request**
.. sourcecode:: http
POST /api/files/local/whistle_v2.gcode HTTP/1.1
Host: example.com
Content-Type: application/json
X-Api-Key: abcdef...
{
"command": "select",
"print": true
}
.. sourcecode:: http
HTTP/1.1 204 No Content
**Example Slice Request**
.. sourcecode:: http
POST /api/files/local/some_model.stl HTTP/1.1
Host: example.com
Content-Type: application/json
X-Api-Key: abcdef...
{
"command": "slice",
"slicer": "cura",
"gcode": "some_model.first_try.gcode",
"profile": "high_quality",
"profile.infill": 75,
"profile.fill_density": 15
}
.. sourcecode:: http
HTTP/1.1 202 Accepted
Content-Type: application/json
{
"origin": "local",
"name": "some_model.first_try.gcode",
"refs": {
"download": "http://example.com/downloads/files/local/some_model.first_try.gcode",
"resource": "http://example.com/api/files/local/some_model.first_try.gcode"
}
}
:param target: The target location on which to delete the file, either ``local`` (for OctoPrint's ``uploads``
folder) or ``sdcard`` for the printer's SD card (if available)
:param filename: The filename of the file for which to issue the command
:json string command: The command to issue for the file, currently only ``select`` is supported
:json boolean print: ``select`` command: Optional, whether to start printing the file directly after selection,
defaults to ``false``.
:statuscode 200: No error
:statuscode 202: No error for a ``slice`` command.
:statuscode 400: If the `command` is unknown or the request is otherwise invalid
:statuscode 415: If a ``slice`` command was issued against something other than an STL file.
:statuscode 404: If `target` is neither ``local`` nor ``sdcard`` or the requested file was not found
:statuscode 409: If a selected file is supposed to start printing directly but the printer is not operational.
.. _sec-api-fileops-delete:
Delete file
===========
.. http:delete:: /api/files/(string:target)/(path:filename)
Delete the selected `filename` on the selected `target`.
If the file to be deleted is currently being printed, a :http:statuscode:`409` will be returned.
Returns a :http:statuscode:`204` after successful deletion.
**Example Request**
.. sourcecode:: http
DELETE /api/files/local/whistle_v2.gcode HTTP/1.1
Host: example.com
X-Api-Key: abcdef...
:param target: The target location on which to delete the file, either ``local`` (for OctoPrint's ``uploads``
folder) or ``sdcard`` for the printer's SD card (if available)
:param filename: The filename of the file to delete
:statuscode 204: No error
:statuscode 404: If `target` is neither ``local`` nor ``sdcard`` or the requested file was not found
:statuscode 409: If the file to be deleted is currently being printed
.. _sec-api-fileops-datamodel:
Datamodel
=========
.. _sec-api-fileops-datamodel-retrieveresponse:
Retrieve response
-----------------
.. list-table::
:widths: 15 5 10 30
:header-rows: 1
* - Name
- Multiplicity
- Type
- Description
* - ``files``
- 0..*
- Array of :ref:`File information items <sec-api-datamodel-files-file>`
- The list of requested files. Might be an empty list if no files are available
* - ``free``
- 0..1
- String
- The amount of disk space in bytes available in the local disk space (refers to OctoPrint's ``uploads`` folder). Only
returned if file list was requested for origin ``local`` or all origins.
.. _sec-api-fileops-datamodel-uploadresponse:
Upload response
---------------
.. list-table::
:widths: 15 5 10 30
:header-rows: 1
* - Name
- Multiplicity
- Type
- Description
* - ``files``
- 1
- Object
- Abridged information regarding the file that was just uploaded. If only uploaded to ``local`` this will only
contain the ``local`` property. If uploaded to SD card, this will contain both ``local`` and ``sdcard`` properties.
* - ``files.local``
- 1
- :ref:`sec-api-datamodel-files-file`
- The information regarding the file that was just uploaded to the local storage (only the fields ``name``,
``origin`` and ``refs`` will be set).
* - ``files.sdcard``
- 0..1
- :ref:`sec-api-datamodel-files-file`
- The information regarding the file that was just uploaded to the printer's SD card (only the fields ``name``,
``origin`` and ``refs`` will be set).
* - ``done``
- 1
- Boolean
- Whether the file processing after upload has already finished (``true``) or not, e.g. due to first needing
to perform a slicing step (``false``). Clients may use this information to direct progress displays related to
the upload.
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