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@@ -1,98 +1,94 b'' | |||
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1 | 1 | """Tornado handlers for the live notebook view. |
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2 | 2 | |
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3 | 3 | Authors: |
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4 | 4 | |
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5 | 5 | * Brian Granger |
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6 | 6 | """ |
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7 | 7 | |
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8 | 8 | #----------------------------------------------------------------------------- |
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9 | 9 | # Copyright (C) 2011 The IPython Development Team |
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10 | 10 | # |
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11 | 11 | # Distributed under the terms of the BSD License. The full license is in |
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12 | 12 | # the file COPYING, distributed as part of this software. |
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13 | 13 | #----------------------------------------------------------------------------- |
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14 | 14 | |
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15 | 15 | #----------------------------------------------------------------------------- |
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16 | 16 | # Imports |
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17 | 17 | #----------------------------------------------------------------------------- |
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18 | 18 | |
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19 | 19 | import os |
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20 | 20 | from tornado import web |
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21 | 21 | HTTPError = web.HTTPError |
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22 | 22 | |
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23 | 23 | from ..base.handlers import IPythonHandler |
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24 | 24 | from ..utils import url_path_join |
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25 | from urllib import quote | |
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26 | 25 | |
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27 | 26 | #----------------------------------------------------------------------------- |
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28 | 27 | # Handlers |
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29 | 28 | #----------------------------------------------------------------------------- |
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30 | 29 | |
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31 | 30 | |
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32 | 31 | class NewPathHandler(IPythonHandler): |
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33 | 32 | |
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34 | 33 | @web.authenticated |
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35 | 34 | def get(self, notebook_path): |
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36 | 35 | notebook_name = self.notebook_manager.new_notebook(notebook_path) |
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37 | 36 | self.redirect(url_path_join(self.base_project_url,"notebooks", notebook_path, notebook_name)) |
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38 | 37 | |
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39 | 38 | |
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40 | 39 | class NewHandler(IPythonHandler): |
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41 | 40 | |
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42 | 41 | @web.authenticated |
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43 | 42 | def get(self): |
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44 | 43 | notebook_name = self.notebook_manager.new_notebook() |
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45 | 44 | self.redirect(url_path_join(self.base_project_url, "notebooks", notebook_name)) |
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46 | 45 | |
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47 | 46 | |
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48 | 47 | class NamedNotebookHandler(IPythonHandler): |
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49 | 48 | |
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50 | 49 | @web.authenticated |
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51 | 50 | def get(self, notebook_path): |
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52 | 51 | nbm = self.notebook_manager |
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53 | 52 | name, path = nbm.named_notebook_path(notebook_path) |
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54 | if name != None: | |
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55 | name = quote(name) | |
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56 | self.log.info(name) | |
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57 | 53 | if path == None: |
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58 | 54 | project = self.project + '/' + name |
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59 | 55 | else: |
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60 | 56 | project = self.project + '/' + path +'/'+ name |
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61 | 57 | #if not nbm.notebook_exists(notebook_path): |
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62 | 58 | # raise web.HTTPError(404, u'Notebook does not exist: %s' % notebook_path) |
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63 | 59 | self.write(self.render_template('notebook.html', |
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64 | 60 | project=project, |
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65 | 61 | notebook_path=path, |
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66 | 62 | notebook_name=name, |
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67 | 63 | kill_kernel=False, |
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68 | 64 | mathjax_url=self.mathjax_url, |
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69 | 65 | ) |
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70 | 66 | ) |
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71 | 67 | |
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72 | 68 | |
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73 | 69 | class NotebookCopyHandler(IPythonHandler): |
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74 | 70 | |
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75 | 71 | @web.authenticated |
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76 | 72 | def get(self, notebook_path=None): |
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77 | 73 | nbm = self.notebook_manager |
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78 | 74 | name, path = nbm.named_notebook_path(notebook_path) |
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79 | 75 | notebook_name = self.notebook_manager.copy_notebook(name, path) |
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80 | 76 | if path==None: |
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81 | 77 | self.redirect(url_path_join(self.base_project_url, "notebooks", notebook_name)) |
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82 | 78 | else: |
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83 | 79 | self.redirect(url_path_join(self.base_project_url, "notebooks", path, notebook_name)) |
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84 | 80 | |
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85 | 81 | |
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86 | 82 | #----------------------------------------------------------------------------- |
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87 | 83 | # URL to handler mappings |
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88 | 84 | #----------------------------------------------------------------------------- |
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89 | 85 | |
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90 | 86 | |
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91 | 87 | _notebook_path_regex = r"(?P<notebook_path>.+)" |
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92 | 88 | |
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93 | 89 | default_handlers = [ |
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94 | 90 | (r"/notebooks/%s/new" % _notebook_path_regex, NewPathHandler), |
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95 | 91 | (r"/notebooks/new", NewHandler), |
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96 | 92 | (r"/notebooks/%s/copy" % _notebook_path_regex, NotebookCopyHandler), |
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97 | 93 | (r"/notebooks/%s" % _notebook_path_regex, NamedNotebookHandler) |
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98 | 94 | ] |
@@ -1,199 +1,199 b'' | |||
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1 | 1 | """Tornado handlers for the notebooks web service. |
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2 | 2 | |
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3 | 3 | Authors: |
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4 | 4 | |
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5 | 5 | * Brian Granger |
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6 | 6 | """ |
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7 | 7 | |
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8 | 8 | #----------------------------------------------------------------------------- |
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9 | 9 | # Copyright (C) 2008-2011 The IPython Development Team |
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10 | 10 | # |
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11 | 11 | # Distributed under the terms of the BSD License. The full license is in |
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12 | 12 | # the file COPYING, distributed as part of this software. |
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13 | 13 | #----------------------------------------------------------------------------- |
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14 | 14 | |
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15 | 15 | #----------------------------------------------------------------------------- |
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16 | 16 | # Imports |
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17 | 17 | #----------------------------------------------------------------------------- |
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18 | 18 | |
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19 | 19 | from tornado import web |
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20 | 20 | import ast |
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21 | 21 | |
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22 | 22 | from zmq.utils import jsonapi |
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23 | 23 | |
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24 | 24 | from IPython.utils.jsonutil import date_default |
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25 | 25 | |
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26 | 26 | from ...base.handlers import IPythonHandler |
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27 | 27 | |
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28 | 28 | #----------------------------------------------------------------------------- |
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29 | 29 | # Notebook web service handlers |
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30 | 30 | #----------------------------------------------------------------------------- |
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31 | 31 | |
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32 | 32 | |
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33 | 33 | class NotebookRootHandler(IPythonHandler): |
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34 | 34 | |
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35 | 35 | @web.authenticated |
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36 | 36 | def get(self): |
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37 | 37 | nbm = self.notebook_manager |
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38 | 38 | km = self.kernel_manager |
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39 | 39 | notebooks = nbm.list_notebooks("") |
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40 | 40 | self.finish(jsonapi.dumps(notebooks)) |
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41 | 41 | |
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42 | 42 | @web.authenticated |
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43 | 43 | def post(self): |
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44 | 44 | nbm = self.notebook_manager |
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45 | 45 | notebook_name = nbm.new_notebook() |
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46 | 46 | model = nbm.notebook_model(notebook_name) |
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47 | 47 | self.set_header('Location', '{0}api/notebooks/{1}'.format(self.base_project_url, notebook_name)) |
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48 | 48 | self.finish(jsonapi.dumps(model)) |
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49 | 49 | |
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50 | 50 | |
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51 | 51 | class NotebookRootRedirect(IPythonHandler): |
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52 | 52 | |
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53 | 53 | @authenticate_unless_readonly |
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54 | 54 | def get(self): |
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55 | 55 | self.redirect("/api/notebooks") |
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56 | 56 | |
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57 | 57 | |
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58 | 58 | class NotebookHandler(IPythonHandler): |
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59 | 59 | |
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60 | 60 | SUPPORTED_METHODS = ('GET', 'PUT', 'PATCH', 'DELETE') |
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61 | 61 | |
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62 | 62 | @web.authenticated |
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63 | 63 | def get(self, notebook_path): |
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64 | 64 | nbm = self.notebook_manager |
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65 | 65 | name, path = nbm.named_notebook_path(notebook_path) |
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66 | 66 | |
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67 | 67 | if name == None: |
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68 | 68 | notebooks = nbm.list_notebooks(path) |
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69 | 69 | self.finish(jsonapi.dumps(notebooks)) |
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70 | 70 | else: |
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71 | 71 | format = self.get_argument('format', default='json') |
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72 | 72 | model = nbm.notebook_model(name,path) |
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73 |
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73 | last_mod, representation, name = nbm.get_notebook(name, path, format) | |
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74 | 74 | |
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75 | 75 | if format == u'json': |
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76 | 76 | self.set_header('Content-Type', 'application/json') |
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77 | 77 | self.set_header('Content-Disposition','attachment; filename="%s.ipynb"' % name) |
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78 | 78 | elif format == u'py': |
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79 | 79 | self.set_header('Content-Type', 'application/x-python') |
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80 | 80 | self.set_header('Content-Disposition','attachment; filename="%s.py"' % name) |
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81 | 81 | #self.set_header('Last-Modified', last_mod) |
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82 | 82 | self.finish(jsonapi.dumps(model)) |
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83 | 83 | |
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84 | 84 | @web.authenticated |
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85 | 85 | def patch(self, notebook_path): |
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86 | 86 | nbm = self.notebook_manager |
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87 | 87 | notebook_name, notebook_path = nbm.named_notebook_path(notebook_path) |
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88 | 88 | data = jsonapi.loads(self.request.body) |
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89 | 89 | model = nbm.change_notebook(data, notebook_name, notebook_path) |
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90 | 90 | self.finish(jsonapi.dumps(model)) |
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91 | 91 | |
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92 | 92 | @web.authenticated |
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93 | 93 | def put(self, notebook_path): |
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94 | 94 | nbm = self.notebook_manager |
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95 | 95 | notebook_name, notebook_path = nbm.named_notebook_path(notebook_path) |
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96 | 96 | if notebook_name == None: |
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97 | 97 | body = self.request.body.strip() |
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98 | 98 | format = self.get_argument('format', default='json') |
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99 | 99 | name = self.get_argument('name', default=None) |
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100 | 100 | if body: |
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101 | 101 | notebook_name = nbm.save_new_notebook(body, notebook_path=notebook_path, name=name, format=format) |
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102 | 102 | else: |
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103 | 103 | notebook_name = nbm.new_notebook(notebook_path=notebook_path) |
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104 | 104 | if notebook_path==None: |
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105 | 105 | self.set_header('Location', nbm.notebook_dir + '/'+ notebook_name) |
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106 | 106 | else: |
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107 | 107 | self.set_header('Location', nbm.notebook_dir + '/'+ notebook_path + '/' + notebook_name) |
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108 | 108 | model = nbm.notebook_model(notebook_name, notebook_path) |
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109 | 109 | self.finish(jsonapi.dumps(model)) |
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110 | 110 | else: |
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111 | 111 | format = self.get_argument('format', default='json') |
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112 | 112 | name = self.get_argument('name', default=None) |
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113 | 113 | nbm.save_notebook(self.request.body, notebook_path=notebook_path, name=name, format=format) |
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114 | 114 | model = nbm.notebook_model(notebook_name, notebook_path) |
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115 | 115 | self.set_status(204) |
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116 | 116 | self.finish(jsonapi.dumps(model)) |
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117 | 117 | |
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118 | 118 | @web.authenticated |
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119 | 119 | def delete(self, notebook_path): |
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120 | 120 | nbm = self.notebook_manager |
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121 | 121 | name, path = nbm.named_notebook_path(notebook_path) |
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122 | 122 | nbm.delete_notebook(name, path) |
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123 | 123 | self.set_status(204) |
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124 | 124 | self.finish() |
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125 | 125 | |
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126 | 126 | |
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127 | 127 | class NotebookCheckpointsHandler(IPythonHandler): |
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128 | 128 | |
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129 | 129 | SUPPORTED_METHODS = ('GET', 'POST') |
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130 | 130 | |
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131 | 131 | @web.authenticated |
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132 | 132 | def get(self, notebook_path): |
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133 | 133 | """get lists checkpoints for a notebook""" |
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134 | 134 | nbm = self.notebook_manager |
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135 | 135 | name, path = nbm.named_notebook_path(notebook_path) |
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136 | 136 | checkpoints = nbm.list_checkpoints(name, path) |
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137 | 137 | data = jsonapi.dumps(checkpoints, default=date_default) |
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138 | 138 | self.finish(data) |
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139 | 139 | |
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140 | 140 | @web.authenticated |
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141 | 141 | def post(self, notebook_path): |
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142 | 142 | """post creates a new checkpoint""" |
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143 | 143 | nbm = self.notebook_manager |
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144 | 144 | name, path = nbm.named_notebook_path(notebook_path) |
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145 | 145 | checkpoint = nbm.create_checkpoint(name, path) |
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146 | 146 | data = jsonapi.dumps(checkpoint, default=date_default) |
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147 | 147 | if path == None: |
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148 | 148 | self.set_header('Location', '{0}notebooks/{1}/checkpoints/{2}'.format( |
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149 | 149 | self.base_project_url, name, checkpoint['checkpoint_id'] |
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150 | 150 | )) |
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151 | 151 | else: |
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152 | 152 | self.set_header('Location', '{0}notebooks/{1}/{2}/checkpoints/{3}'.format( |
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153 | 153 | self.base_project_url, path, name, checkpoint['checkpoint_id'] |
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154 | 154 | )) |
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155 | 155 | self.finish(data) |
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156 | 156 | |
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157 | 157 | |
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158 | 158 | class ModifyNotebookCheckpointsHandler(IPythonHandler): |
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159 | 159 | |
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160 | 160 | SUPPORTED_METHODS = ('POST', 'DELETE') |
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161 | 161 | |
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162 | 162 | @web.authenticated |
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163 | 163 | def post(self, notebook_path, checkpoint_id): |
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164 | 164 | """post restores a notebook from a checkpoint""" |
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165 | 165 | nbm = self.notebook_manager |
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166 | 166 | name, path = nbm.named_notebook_path(notebook_path) |
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167 | 167 | nbm.restore_checkpoint(name, checkpoint_id, path) |
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168 | 168 | self.set_status(204) |
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169 | 169 | self.finish() |
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170 | 170 | |
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171 | 171 | @web.authenticated |
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172 | 172 | def delete(self, notebook_path, checkpoint_id): |
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173 | 173 | """delete clears a checkpoint for a given notebook""" |
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174 | 174 | nbm = self.notebook_manager |
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175 | 175 | name, path = nbm.named_notebook_path(notebook_path) |
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176 | 176 | nbm.delete_checkpoint(name, checkpoint_id, path) |
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177 | 177 | self.set_status(204) |
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178 | 178 | self.finish() |
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179 | 179 | |
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180 | 180 | #----------------------------------------------------------------------------- |
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181 | 181 | # URL to handler mappings |
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182 | 182 | #----------------------------------------------------------------------------- |
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183 | 183 | |
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184 | 184 | |
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185 | 185 | _notebook_path_regex = r"(?P<notebook_path>.+)" |
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186 | 186 | _checkpoint_id_regex = r"(?P<checkpoint_id>[\w-]+)" |
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187 | 187 | |
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188 | 188 | default_handlers = [ |
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189 | 189 | (r"api/notebooks/%s/checkpoints" % _notebook_path_regex, NotebookCheckpointsHandler), |
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190 | 190 | (r"api/notebooks/%s/checkpoints/%s" % (_notebook_path_regex, _checkpoint_id_regex), |
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191 | 191 | ModifyNotebookCheckpointsHandler), |
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192 | 192 | (r"api/notebooks/%s" % _notebook_path_regex, NotebookHandler), |
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193 | 193 | (r"api/notebooks/", NotebookRootRedirect), |
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194 | 194 | (r"api/notebooks", NotebookRootHandler), |
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195 | 195 | ] |
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196 | 196 | |
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197 | 197 | |
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198 | 198 | |
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199 | 199 |
@@ -1,240 +1,241 b'' | |||
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1 | 1 | """A base class notebook manager. |
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2 | 2 | |
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3 | 3 | Authors: |
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4 | 4 | |
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5 | 5 | * Brian Granger |
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6 | 6 | """ |
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7 | 7 | |
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8 | 8 | #----------------------------------------------------------------------------- |
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9 | 9 | # Copyright (C) 2011 The IPython Development Team |
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10 | 10 | # |
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11 | 11 | # Distributed under the terms of the BSD License. The full license is in |
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12 | 12 | # the file COPYING, distributed as part of this software. |
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13 | 13 | #----------------------------------------------------------------------------- |
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14 | 14 | |
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15 | 15 | #----------------------------------------------------------------------------- |
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16 | 16 | # Imports |
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17 | 17 | #----------------------------------------------------------------------------- |
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18 | 18 | |
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19 | 19 | import os |
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20 | 20 | import uuid |
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21 | 21 | |
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22 | 22 | from tornado import web |
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23 | 23 | |
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24 | 24 | from IPython.config.configurable import LoggingConfigurable |
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25 | 25 | from IPython.nbformat import current |
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26 | 26 | from IPython.utils.traitlets import List, Dict, Unicode, TraitError |
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27 | 27 | |
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28 | 28 | #----------------------------------------------------------------------------- |
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29 | 29 | # Classes |
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30 | 30 | #----------------------------------------------------------------------------- |
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31 | 31 | |
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32 | 32 | class NotebookManager(LoggingConfigurable): |
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33 | 33 | |
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34 | 34 | # Todo: |
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35 | 35 | # The notebook_dir attribute is used to mean a couple of different things: |
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36 | 36 | # 1. Where the notebooks are stored if FileNotebookManager is used. |
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37 | 37 | # 2. The cwd of the kernel for a project. |
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38 | 38 | # Right now we use this attribute in a number of different places and |
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39 | 39 | # we are going to have to disentangle all of this. |
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40 | 40 | notebook_dir = Unicode(os.getcwdu(), config=True, help=""" |
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41 | 41 | The directory to use for notebooks. |
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42 | 42 | """) |
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43 | 43 | |
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44 | 44 | def named_notebook_path(self, notebook_path): |
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45 | 45 | |
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46 | 46 | l = len(notebook_path) |
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47 | 47 | names = notebook_path.split('/') |
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48 | 48 | if len(names) > 1: |
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49 | 49 | name = names[len(names)-1] |
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50 | 50 | if name[(len(name)-6):(len(name))] == ".ipynb": |
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51 | 51 | name = name |
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52 | 52 | path = notebook_path[0:l-len(name)-1]+'/' |
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53 | 53 | else: |
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54 | 54 | name = None |
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55 | 55 | path = notebook_path+'/' |
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56 | 56 | else: |
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57 | 57 | name = names[0] |
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58 | 58 | if name[(len(name)-6):(len(name))] == ".ipynb": |
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59 | 59 | name = name |
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60 | 60 | path = None |
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61 | 61 | else: |
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62 | 62 | name = None |
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63 | 63 | path = notebook_path+'/' |
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64 | 64 | return name, path |
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65 | 65 | |
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66 | 66 | def _notebook_dir_changed(self, new): |
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67 | 67 | """do a bit of validation of the notebook dir""" |
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68 | 68 | if not os.path.isabs(new): |
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69 | 69 | # If we receive a non-absolute path, make it absolute. |
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70 | 70 | abs_new = os.path.abspath(new) |
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71 | 71 | #self.notebook_dir = os.path.dirname(abs_new) |
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72 | 72 | return |
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73 | 73 | if os.path.exists(new) and not os.path.isdir(new): |
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74 | 74 | raise TraitError("notebook dir %r is not a directory" % new) |
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75 | 75 | if not os.path.exists(new): |
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76 | 76 | self.log.info("Creating notebook dir %s", new) |
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77 | 77 | try: |
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78 | 78 | os.mkdir(new) |
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79 | 79 | except: |
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80 | 80 | raise TraitError("Couldn't create notebook dir %r" % new) |
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81 | 81 | |
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82 | 82 | allowed_formats = List([u'json',u'py']) |
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83 | 83 | |
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84 | 84 | |
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85 | 85 | def load_notebook_names(self, path): |
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86 | 86 | """Load the notebook names into memory. |
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87 | 87 | |
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88 | 88 | This should be called once immediately after the notebook manager |
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89 | 89 | is created to load the existing notebooks into the mapping in |
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90 | 90 | memory. |
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91 | 91 | """ |
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92 | 92 | self.list_notebooks(path) |
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93 | 93 | |
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94 | 94 | def list_notebooks(self): |
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95 | 95 | """List all notebooks. |
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96 | 96 | |
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97 | 97 | This returns a list of dicts, each of the form:: |
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98 | 98 | |
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99 | 99 | dict(notebook_id=notebook,name=name) |
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100 | 100 | |
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101 | 101 | This list of dicts should be sorted by name:: |
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102 | 102 | |
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103 | 103 | data = sorted(data, key=lambda item: item['name']) |
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104 | 104 | """ |
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105 | 105 | raise NotImplementedError('must be implemented in a subclass') |
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106 | 106 | |
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107 | 107 | |
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108 | 108 | def notebook_exists(self, notebook_name): |
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109 | 109 | """Does a notebook exist?""" |
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110 | 110 | return notebook_name in self.mapping |
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111 | 111 | |
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112 | 112 | def notebook_model(self, notebook_name, notebook_path=None): |
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113 | 113 | """ Creates the standard notebook model """ |
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114 | 114 | last_modified, content = self.read_notebook_object(notebook_name, notebook_path) |
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115 | 115 | model = {"notebook_name": notebook_name, |
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116 | 116 | "notebook_path": notebook_path, |
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117 | 117 | "content": content} |
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118 | 118 | return model |
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119 | 119 | |
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120 |
def get_notebook(self, |
|
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120 | def get_notebook(self, notebook_name, notebook_path=None, format=u'json'): | |
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121 | 121 | """Get the representation of a notebook in format by notebook_name.""" |
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122 | 122 | format = unicode(format) |
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123 | 123 | if format not in self.allowed_formats: |
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124 | 124 | raise web.HTTPError(415, u'Invalid notebook format: %s' % format) |
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125 | 125 | kwargs = {} |
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126 | last_mod, nb = self.read_notebook_object(notebook_name, notebook_path) | |
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126 | 127 | if format == 'json': |
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127 | 128 | # don't split lines for sending over the wire, because it |
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128 | 129 | # should match the Python in-memory format. |
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129 | 130 | kwargs['split_lines'] = False |
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130 |
representation = current.writes(b |
|
|
131 |
name = |
|
|
132 | return representation, name | |
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131 | representation = current.writes(nb, format, **kwargs) | |
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132 | name = nb.metadata.get('name', 'notebook') | |
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133 | return last_mod, representation, name | |
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133 | 134 | |
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134 | 135 | def read_notebook_object(self, notebook_name, notebook_path): |
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135 | 136 | """Get the object representation of a notebook by notebook_id.""" |
|
136 | 137 | raise NotImplementedError('must be implemented in a subclass') |
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137 | 138 | |
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138 | 139 | def save_new_notebook(self, data, notebook_path = None, name=None, format=u'json'): |
|
139 | 140 | """Save a new notebook and return its notebook_id. |
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140 | 141 | |
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141 | 142 | If a name is passed in, it overrides any values in the notebook data |
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142 | 143 | and the value in the data is updated to use that value. |
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143 | 144 | """ |
|
144 | 145 | if format not in self.allowed_formats: |
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145 | 146 | raise web.HTTPError(415, u'Invalid notebook format: %s' % format) |
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146 | 147 | |
|
147 | 148 | try: |
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148 | 149 | nb = current.reads(data.decode('utf-8'), format) |
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149 | 150 | except: |
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150 | 151 | raise web.HTTPError(400, u'Invalid JSON data') |
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151 | 152 | |
|
152 | 153 | if name is None: |
|
153 | 154 | try: |
|
154 | 155 | name = nb.metadata.name |
|
155 | 156 | except AttributeError: |
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156 | 157 | raise web.HTTPError(400, u'Missing notebook name') |
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157 | 158 | nb.metadata.name = name |
|
158 | 159 | |
|
159 | 160 | notebook_name = self.write_notebook_object(nb, notebook_path=notebook_path) |
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160 | 161 | return notebook_name |
|
161 | 162 | |
|
162 | 163 | def save_notebook(self, data, notebook_path=None, name=None, new_name=None, format=u'json'): |
|
163 | 164 | """Save an existing notebook by notebook_name.""" |
|
164 | 165 | if format not in self.allowed_formats: |
|
165 | 166 | raise web.HTTPError(415, u'Invalid notebook format: %s' % format) |
|
166 | 167 | |
|
167 | 168 | try: |
|
168 | 169 | nb = current.reads(data.decode('utf-8'), format) |
|
169 | 170 | except: |
|
170 | 171 | raise web.HTTPError(400, u'Invalid JSON data') |
|
171 | 172 | |
|
172 | 173 | if name is not None: |
|
173 | 174 | nb.metadata.name = name |
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174 | 175 | self.write_notebook_object(nb, name, notebook_path, new_name) |
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175 | 176 | |
|
176 | 177 | def write_notebook_object(self, nb, notebook_name=None, notebook_path=None, new_name=None): |
|
177 | 178 | """Write a notebook object and return its notebook_name. |
|
178 | 179 | |
|
179 | 180 | If notebook_name is None, this method should create a new notebook_name. |
|
180 | 181 | If notebook_name is not None, this method should check to make sure it |
|
181 | 182 | exists and is valid. |
|
182 | 183 | """ |
|
183 | 184 | raise NotImplementedError('must be implemented in a subclass') |
|
184 | 185 | |
|
185 | 186 | def delete_notebook(self, notebook_name, notebook_path): |
|
186 | 187 | """Delete notebook by notebook_id.""" |
|
187 | 188 | raise NotImplementedError('must be implemented in a subclass') |
|
188 | 189 | |
|
189 | 190 | def increment_filename(self, name): |
|
190 | 191 | """Increment a filename to make it unique. |
|
191 | 192 | |
|
192 | 193 | This exists for notebook stores that must have unique names. When a notebook |
|
193 | 194 | is created or copied this method constructs a unique filename, typically |
|
194 | 195 | by appending an integer to the name. |
|
195 | 196 | """ |
|
196 | 197 | return name |
|
197 | 198 | |
|
198 | 199 | def new_notebook(self, notebook_path=None): |
|
199 | 200 | """Create a new notebook and return its notebook_id.""" |
|
200 | 201 | name = self.increment_filename('Untitled', notebook_path) |
|
201 | 202 | metadata = current.new_metadata(name=name) |
|
202 | 203 | nb = current.new_notebook(metadata=metadata) |
|
203 | 204 | notebook_name = self.write_notebook_object(nb, notebook_path=notebook_path) |
|
204 | 205 | return notebook_name |
|
205 | 206 | |
|
206 | 207 | def copy_notebook(self, name, path): |
|
207 | 208 | """Copy an existing notebook and return its notebook_id.""" |
|
208 | 209 | last_mod, nb = self.read_notebook_object(name, path) |
|
209 | 210 | name = nb.metadata.name + '-Copy' |
|
210 | 211 | name = self.increment_filename(name, path) |
|
211 | 212 | nb.metadata.name = name |
|
212 | 213 | notebook_name = self.write_notebook_object(nb, notebook_path = path) |
|
213 | 214 | return notebook_name |
|
214 | 215 | |
|
215 | 216 | # Checkpoint-related |
|
216 | 217 | |
|
217 | 218 | def create_checkpoint(self, notebook_name, notebook_path=None): |
|
218 | 219 | """Create a checkpoint of the current state of a notebook |
|
219 | 220 | |
|
220 | 221 | Returns a checkpoint_id for the new checkpoint. |
|
221 | 222 | """ |
|
222 | 223 | raise NotImplementedError("must be implemented in a subclass") |
|
223 | 224 | |
|
224 | 225 | def list_checkpoints(self, notebook_name, notebook_path=None): |
|
225 | 226 | """Return a list of checkpoints for a given notebook""" |
|
226 | 227 | return [] |
|
227 | 228 | |
|
228 | 229 | def restore_checkpoint(self, notebook_name, checkpoint_id, notebook_path=None): |
|
229 | 230 | """Restore a notebook from one of its checkpoints""" |
|
230 | 231 | raise NotImplementedError("must be implemented in a subclass") |
|
231 | 232 | |
|
232 | 233 | def delete_checkpoint(self, notebook_name, checkpoint_id, notebook_path=None): |
|
233 | 234 | """delete a checkpoint for a notebook""" |
|
234 | 235 | raise NotImplementedError("must be implemented in a subclass") |
|
235 | 236 | |
|
236 | 237 | def log_info(self): |
|
237 | 238 | self.log.info(self.info_string()) |
|
238 | 239 | |
|
239 | 240 | def info_string(self): |
|
240 | 241 | return "Serving notebooks" |
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