Skip to content
Navigation Menu
{{ message }}
forked from plotly/plotly.py
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathdatatypes.py
More file actions
451 lines (373 loc) · 12.8 KB
/
Copy pathdatatypes.py
File metadata and controls
451 lines (373 loc) · 12.8 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
import os.path as opath
import textwrap
from io import StringIO
from codegen.utils import (PlotlyNode,
format_and_write_source_py)
def get_typing_type(plotly_type, array_ok=False):
"""
Get Python type corresponding to a valType string from the plotly schema
Parameters
----------
plotly_type : str
a plotly datatype string
array_ok : bool
Whether lists/arrays are permitted
Returns
-------
str
Python type string
"""
if plotly_type == 'data_array':
pytype = 'numpy.ndarray'
elif plotly_type == 'info_array':
pytype = 'list'
elif plotly_type == 'colorlist':
pytype = 'list'
elif plotly_type in ('string', 'color', 'colorscale', 'subplotid'):
pytype = 'str'
elif plotly_type in ('enumerated', 'flaglist', 'any'):
pytype = 'Any'
elif plotly_type in ('number', 'angle'):
pytype = 'int|float'
elif plotly_type == 'integer':
pytype = 'int'
elif plotly_type == 'boolean':
pytype = 'bool'
else:
raise ValueError('Unknown plotly type: %s' % plotly_type)
if array_ok:
return f'{pytype}|numpy.ndarray'
else:
return pytype
def build_datatype_py(node):
"""
Build datatype (graph_objs) class source code string for a datatype
PlotlyNode
Parameters
----------
node : PlotlyNode
The datatype node (node.is_datatype must evaluate to true) for which
to build the datatype class
Returns
-------
str
String containing source code for the datatype class definition
"""
# Validate inputs
# ---------------
assert node.is_compound
# Extract node properties
# -----------------------
undercase = node.name_undercase
datatype_class = node.name_datatype_class
literal_nodes = [n for n in node.child_literals if
n.plotly_name in ['type']]
# Initialze source code buffer
# ----------------------------
buffer = StringIO()
# Imports
# -------
buffer.write(
f'from plotly.basedatatypes import {node.name_base_datatype}\n')
buffer.write(
f'import copy\n')
# Write class definition
# ----------------------
buffer.write(f"""
class {datatype_class}({node.name_base_datatype}):\n""")
# ### Property definitions ###
child_datatype_nodes = node.child_datatypes
subtype_nodes = child_datatype_nodes
for subtype_node in subtype_nodes:
if subtype_node.is_array_element:
prop_type = (f"tuple[plotly.graph_objs{node.dotpath_str}." +
f"{subtype_node.name_datatype_class}]")
elif subtype_node.is_compound:
prop_type = (f"plotly.graph_objs{node.dotpath_str}." +
f"{subtype_node.name_datatype_class}")
else:
prop_type = get_typing_type(
subtype_node.datatype, subtype_node.is_array_ok)
# #### Get property description ####
raw_description = subtype_node.description
property_description = '\n'.join(
textwrap.wrap(raw_description,
initial_indent=' ' * 8,
subsequent_indent=' ' * 8,
width=79 - 8))
# # #### Get validator description ####
validator = subtype_node.get_validator_instance()
if validator:
validator_description = reindent_validator_description(
validator, 4)
# #### Combine to form property docstring ####
if property_description.strip():
property_docstring = f"""{property_description}
{validator_description}"""
else:
property_docstring = f" {validator_description}"
else:
property_docstring = property_description
# #### Write get property ####
buffer.write(f"""\
# {subtype_node.name_property}
# {'-' * len(subtype_node.name_property)}
@property
def {subtype_node.name_property}(self):
\"\"\"
{property_docstring}
Returns
-------
{prop_type}
\"\"\"
return self['{subtype_node.name_property}']""")
# #### Write set property ####
buffer.write(f"""
@{subtype_node.name_property}.setter
def {subtype_node.name_property}(self, val):
self['{subtype_node.name_property}'] = val\n""")
# ### Literals ###
for literal_node in literal_nodes:
buffer.write(f"""\
# {literal_node.name_property}
# {'-' * len(literal_node.name_property)}
@property
def {literal_node.name_property}(self):
return self._props['{literal_node.name_property}']\n""")
# ### Private properties descriptions ###
buffer.write(f"""
# property parent name
# --------------------
@property
def _parent_path_str(self):
return '{node.parent_path_str}'
# Self properties description
# ---------------------------
@property
def _prop_descriptions(self):
return \"\"\"\\""")
buffer.write(node.get_constructor_params_docstring(indent=8))
buffer.write(f"""
\"\"\"""")
# ### Constructor ###
buffer.write(f"""
def __init__(self""")
add_constructor_params(buffer,
subtype_nodes,
prepend_extras=['arg'])
# ### Constructor Docstring ###
header = f'Construct a new {datatype_class} object'
class_name = (f'plotly.graph_objs'
f'{node.parent_dotpath_str}.'
f'{node.name_datatype_class}')
extras = [(f'arg',
f'dict of properties compatible with this constructor '
f'or an instance of {class_name}')]
add_docstring(buffer, node, header=header, prepend_extras=extras)
buffer.write(f"""
super({datatype_class}, self).__init__('{node.name_property}')
# Validate arg
# ------------
if arg is None:
arg = {{}}
elif isinstance(arg, self.__class__):
arg = arg.to_plotly_json()
elif isinstance(arg, dict):
arg = copy.copy(arg)
else:
raise ValueError(\"\"\"\\
The first argument to the {class_name}
constructor must be a dict or
an instance of {class_name}\"\"\")
# Import validators
# -----------------
from plotly.validators{node.parent_dotpath_str} import (
{undercase} as v_{undercase})
# Initialize validators
# ---------------------""")
for subtype_node in subtype_nodes:
sub_name = subtype_node.name_property
sub_validator = subtype_node.name_validator_class
buffer.write(f"""
self._validators['{sub_name}'] = v_{undercase}.{sub_validator}()""")
buffer.write(f"""
# Populate data dict with properties
# ----------------------------------""")
for subtype_node in subtype_nodes:
name_prop = subtype_node.name_property
buffer.write(f"""
_v = arg.pop('{name_prop}', None)
self.{name_prop} = {name_prop} if {name_prop} is not None else _v""")
# ### Literals ###
if literal_nodes:
buffer.write(f"""
# Read-only literals
# ------------------
from _plotly_utils.basevalidators import LiteralValidator""")
for literal_node in literal_nodes:
lit_name = literal_node.name_property
lit_parent = literal_node.parent_path_str
lit_val = repr(literal_node.node_data)
buffer.write(f"""
self._props['{lit_name}'] = {lit_val}
self._validators['{lit_name}'] =\
LiteralValidator(plotly_name='{lit_name}',\
parent_name='{lit_parent}', val={lit_val})""")
buffer.write(f"""
# Process unknown kwargs
# ----------------------
self._process_kwargs(**dict(arg, **kwargs))
""")
# Return source string
# --------------------
return buffer.getvalue()
def reindent_validator_description(validator, extra_indent):
"""
Return validator description with modified indenting. The string that is
returned has no leading indent, and the subsequent lines are indented by 4
spaces (the default for validator descriptions) plus `extra_indent` spaces
Parameters
----------
validator : BaseValidator
Validator from which to extract the description
extra_indent : int
Number of spaces of indent to add to subsequent lines (those after
the first line). Validators description start with in indent of 4
spaces
Returns
-------
str
Validator description string
"""
# Remove leading indent and add extra spaces to subsequent indent
return ('\n' + ' ' * extra_indent).join(
validator.description().strip().split('\n'))
def add_constructor_params(buffer,
subtype_nodes,
prepend_extras=(),
append_extras=()):
"""
Write datatype constructor params to a buffer
Parameters
----------
buffer : StringIO
Buffer to write to
subtype_nodes : list of PlotlyNode
List of datatype nodes to be written as constructor params
prepend_extras : list[str]
List of extra parameters to include at the beginning of the params
append_extras : list[str]
List of extra parameters to include at the end of the params
Returns
-------
None
"""
for extra in prepend_extras:
buffer.write(f""",
{extra}=None""")
for i, subtype_node in enumerate(subtype_nodes):
buffer.write(f""",
{subtype_node.name_property}=None""")
for extra in append_extras:
buffer.write(f""",
{extra}=None""")
buffer.write(""",
**kwargs""")
buffer.write(f"""
):""")
def add_docstring(buffer, node, header, prepend_extras=(), append_extras=()):
"""
Write docstring for a compound datatype node
Parameters
----------
buffer : StringIO
Buffer to write to
node : PlotlyNode
Compound datatype plotly node for which to write docstring
header :
Top-level header for docstring that will preceded the input node's
own description. Header should be < 71 characters long
prepend_extras :
List or tuple of propery name / description pairs that should be
included at the beginning of the docstring
append_extras :
List or tuple of propery name / description pairs that should be
included at the end of the docstring
Returns
-------
"""
# Validate inputs
# ---------------
assert node.is_compound
# Build wrapped description
# -------------------------
node_description = node.description
if node_description:
description_lines = textwrap.wrap(
node_description,
width=79-8,
initial_indent=' ' * 8,
subsequent_indent=' ' * 8)
node_description = '\n'.join(description_lines) + '\n\n'
# Write header and description
# ----------------------------
buffer.write(f"""
\"\"\"
{header}
{node_description} Parameters
----------""")
# Write parameter descriptions
# ----------------------------
# Write any prepend extras
for p, v in prepend_extras:
v_wrapped = '\n'.join(textwrap.wrap(
v,
width=79 - 12,
initial_indent=' ' * 12,
subsequent_indent=' ' * 12))
buffer.write(f"""
{p}
{v_wrapped}""")
# Write core docstring
buffer.write(node.get_constructor_params_docstring(
indent=8))
# Write any append extras
for p, v in append_extras:
v_wrapped = '\n'.join(textwrap.wrap(
v,
width=79-12,
initial_indent=' ' * 12,
subsequent_indent=' ' * 12))
buffer.write(f"""
{p}
{v_wrapped}""")
# Write return block and close docstring
# --------------------------------------
buffer.write(f"""
Returns
-------
{node.name_datatype_class}
\"\"\"""")
def write_datatype_py(outdir, node):
"""
Build datatype (graph_objs) class source code and write to a file
Parameters
----------
outdir :
Root outdir in which the graph_objs package should reside
node :
The datatype node (node.is_datatype must evaluate to true) for which
to build the datatype class
Returns
-------
None
"""
# Generate source code
# --------------------
datatype_source = build_datatype_py(node)
# Write file
# ----------
filepath = opath.join(outdir, 'graph_objs',
*node.parent_path_parts,
'_' + node.name_undercase + '.py')
format_and_write_source_py(datatype_source, filepath)
You can’t perform that action at this time.