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"""
plotly
======
A module that contains the plotly class, a liaison between the user
and ploty's servers.
1. get DEFAULT_PLOT_OPTIONS for options
2. update plot_options with .plotly/ dir
3. update plot_options with _plot_options
4. update plot_options with kwargs!
"""
from __future__ import absolute_import
import sys
import json
import warnings
import copy
import os
import six
import base64
import requests
if sys.version[:1] == '2':
from urlparse import urlparse
else:
from urllib.parse import urlparse
from plotly.plotly import chunked_requests
from plotly import utils
from plotly import tools
from plotly import exceptions
from plotly import version
__all__ = None
_DEFAULT_PLOT_OPTIONS = dict(
filename="plot from API",
fileopt="new",
world_readable=True,
auto_open=True,
validate=True)
_credentials = dict()
_plot_options = dict()
_config = dict()
### test file permissions and make sure nothing is corrupted ###
tools.ensure_local_plotly_files()
### _credentials stuff ###
def sign_in(username, api_key, **kwargs):
"""Set module-scoped _credentials for session. Optionally, set config info.
"""
_credentials['username'], _credentials['api_key'] = username, api_key
# TODO: verify these _credentials with plotly
_config['plotly_domain'] = kwargs.get('plotly_domain')
_config['plotly_streaming_domain'] = kwargs.get('plotly_streaming_domain')
_config['plotly_api_domain'] = kwargs.get('plotly_api_domain')
_config['plotly_ssl_verification'] = kwargs.get('plotly_ssl_verification')
# TODO: verify format of config options
### plot options stuff ###
def update_plot_options(**kwargs):
""" Update the module-level _plot_options
"""
_plot_options.update(kwargs)
def get_plot_options():
""" Returns a copy of the user supplied plot options.
Use `update_plot_options()` to change.
"""
return copy.copy(_plot_options)
def get_credentials():
"""Returns the credentials that will be sent to plotly."""
credentials = tools.get_credentials_file()
for credentials_key in credentials:
if _credentials.get(credentials_key):
credentials[credentials_key] = _credentials[credentials_key]
return credentials
### plot stuff ###
def iplot(figure_or_data, **plot_options):
"""Create a unique url for this plot in Plotly and open in IPython.
plot_options keyword agruments:
filename (string) -- the name that will be associated with this figure
fileopt ('new' | 'overwrite' | 'extend' | 'append') -- 'new' creates a
'new': create a new, unique url for this plot
'overwrite': overwrite the file associated with `filename` with this
'extend': add additional numbers (data) to existing traces
'append': add additional traces to existing data lists
world_readable (default=True) -- make this figure private/public
"""
if 'auto_open' not in plot_options:
plot_options['auto_open'] = False
res = plot(figure_or_data, **plot_options)
urlsplit = res.split('/')
username, plot_id = urlsplit[-2][1:], urlsplit[-1] # TODO: HACKY!
embed_options = dict()
if 'width' in plot_options:
embed_options['width'] = plot_options['width']
if 'height' in plot_options:
embed_options['height'] = plot_options['height']
return tools.embed(username, plot_id, **embed_options)
def _plot_option_logic(plot_options):
"""Sets plot_options via a precedence hierarchy."""
options = dict()
options.update(_DEFAULT_PLOT_OPTIONS)
options.update(_plot_options)
options.update(plot_options)
if ('filename' in plot_options
and 'fileopt' not in _plot_options
and 'fileopt' not in plot_options):
options['fileopt'] = 'overwrite'
return options
def get_config():
"""Returns either module config or file config."""
config = tools.get_config_file()
for config_key in config:
if _config.get(config_key) is not None:
config[config_key] = _config[config_key]
return config
def plot(figure_or_data, validate=True, **plot_options):
"""Create a unique url for this plot in Plotly and optionally open url.
plot_options keyword agruments:
filename (string) -- the name that will be associated with this figure
fileopt ('new' | 'overwrite' | 'extend' | 'append') -- 'new' creates a
'new': create a new, unique url for this plot
'overwrite': overwrite the file associated with `filename` with this
'extend': add additional numbers (data) to existing traces
'append': add additional traces to existing data lists
world_readable (default=True) -- make this figure private/public
auto_open (default=True) -- Toggle browser options
True: open this plot in a new browser tab
False: do not open plot in the browser, but do return the unique url
"""
if isinstance(figure_or_data, dict):
figure = figure_or_data
elif isinstance(figure_or_data, list):
figure = {'data': figure_or_data}
else:
raise exceptions.PlotlyError("The `figure_or_data` positional argument "
"must be either `dict`-like or "
"`list`-like.")
if validate:
try:
tools.validate(figure, obj_type='Figure')
except exceptions.PlotlyError as err:
raise exceptions.PlotlyError("Invalid 'figure_or_data' argument. "
"Plotly will not be able to properly "
"parse the resulting JSON. If you "
"want to send this 'figure_or_data' "
"to Plotly anyway (not recommended), "
"you can set 'validate=False' as a "
"plot option.\nHere's why you're "
"seeing this error:\n\n{0}"
"".format(err))
if not figure['data']:
raise exceptions.PlotlyEmptyDataError(
"Empty data list found. Make sure that you populated the "
"list of data objects you're sending and try again.\n"
"Questions? support@plot.ly"
)
for entry in figure['data']:
for key, val in list(entry.items()):
try:
if len(val) > 40000:
msg = ("Woah there! Look at all those points! Due to "
"browser limitations, Plotly has a hard time "
"graphing more than 500k data points for line "
"charts, or 40k points for other types of charts. "
"Here are some suggestions:\n"
"(1) Trying using the image API to return an image "
"instead of a graph URL\n"
"(2) Use matplotlib\n"
"(3) See if you can create your visualization with "
"fewer data points\n\n"
"If the visualization you're using aggregates "
"points (e.g., box plot, histogram, etc.) you can "
"disregard this warning.")
warnings.warn(msg)
except TypeError:
pass
plot_options = _plot_option_logic(plot_options)
res = _send_to_plotly(figure, **plot_options)
if res['error'] == '':
if plot_options['auto_open']:
_open_url(res['url'])
return res['url']
else:
raise exceptions.PlotlyAccountError(res['error'])
def iplot_mpl(fig, resize=True, strip_style=False, update=None, **plot_options):
"""Replot a matplotlib figure with plotly in IPython.
This function:
1. converts the mpl figure into JSON (run help(plolty.tools.mpl_to_plotly))
2. makes a request to Plotly to save this figure in your account
3. displays the image in your IPython output cell
Positional agruments:
fig -- a figure object from matplotlib
Keyword arguments:
resize (default=True) -- allow plotly to choose the figure size
strip_style (default=False) -- allow plotly to choose style options
update (default=None) -- update the resulting figure with an 'update'
dictionary-like object resembling a plotly 'Figure' object
Additional keyword arguments:
plot_options -- run help(plotly.plotly.iplot)
"""
fig = tools.mpl_to_plotly(fig, resize=resize, strip_style=strip_style)
if update and isinstance(update, dict):
try:
fig.update(update)
fig.validate()
except exceptions.PlotlyGraphObjectError as err:
err.add_note("Your updated figure could not be properly validated.")
err.prepare()
raise
elif update is not None:
raise exceptions.PlotlyGraphObjectError(
"'update' must be dictionary-like and a valid plotly Figure "
"object. Run 'help(plotly.graph_objs.Figure)' for more info."
)
return iplot(fig, **plot_options)
def plot_mpl(fig, resize=True, strip_style=False, update=None, **plot_options):
"""Replot a matplotlib figure with plotly.
This function:
1. converts the mpl figure into JSON (run help(plolty.tools.mpl_to_plotly))
2. makes a request to Plotly to save this figure in your account
3. opens your figure in a browser tab OR returns the unique figure url
Positional agruments:
fig -- a figure object from matplotlib
Keyword arguments:
resize (default=True) -- allow plotly to choose the figure size
strip_style (default=False) -- allow plotly to choose style options
update (default=None) -- update the resulting figure with an 'update'
dictionary-like object resembling a plotly 'Figure' object
Additional keyword arguments:
plot_options -- run help(plotly.plotly.plot)
"""
fig = tools.mpl_to_plotly(fig, resize=resize, strip_style=strip_style)
if update and isinstance(update, dict):
try:
fig.update(update)
fig.validate()
except exceptions.PlotlyGraphObjectError as err:
err.add_note("Your updated figure could not be properly validated.")
err.prepare()
raise
elif update is not None:
raise exceptions.PlotlyGraphObjectError(
"'update' must be dictionary-like and a valid plotly Figure "
"object. Run 'help(plotly.graph_objs.Figure)' for more info."
)
return plot(fig, **plot_options)
def get_figure(file_owner_or_url, file_id=None, raw=False):
"""Returns a JSON figure representation for the specified file
Plotly uniquely identifies figures with a 'file_owner'/'file_id' pair.
Since each file is given a corresponding unique url, you may also simply
pass a valid plotly url as the first argument.
Note, if you're using a file_owner string as the first argument, you MUST
specify a `file_id` keyword argument. Else, if you're using a url string
as the first argument, you MUST NOT specify a `file_id` keyword argument, or
file_id must be set to Python's None value.
Positional arguments:
file_owner_or_url (string) -- a valid plotly username OR a valid plotly url
Keyword arguments:
file_id (default=None) -- an int or string that can be converted to int
if you're using a url, don't fill this in!
raw (default=False) -- if true, return unicode JSON string verbatim**
**by default, plotly will return a Figure object (run help(plotly
.graph_objs.Figure)). This representation decodes the keys and values from
unicode (if possible), removes information irrelevant to the figure
representation, and converts the JSON dictionary objects to plotly
`graph objects`.
"""
plotly_rest_url = get_config()['plotly_domain']
if file_id is None: # assume we're using a url
url = file_owner_or_url
if url[:len(plotly_rest_url)] != plotly_rest_url:
raise exceptions.PlotlyError(
"Because you didn't supply a 'file_id' in the call, "
"we're assuming you're trying to snag a figure from a url. "
"You supplied the url, '{0}', we expected it to start with "
"'{1}'."
"\nRun help on this function for more information."
"".format(url, plotly_rest_url))
head = plotly_rest_url + "/~"
file_owner = url.replace(head, "").split('/')[0]
file_id = url.replace(head, "").split('/')[1]
else:
file_owner = file_owner_or_url
resource = "/apigetfile/{username}/{file_id}".format(username=file_owner,
file_id=file_id)
(username, api_key) = _validation_key_logic()
headers = {'plotly-username': username,
'plotly-apikey': api_key,
'plotly-version': version.__version__,
'plotly-platform': 'python'}
try:
test_if_int = int(file_id)
except ValueError:
raise exceptions.PlotlyError(
"The 'file_id' argument was not able to be converted into an "
"integer number. Make sure that the positional 'file_id' argument "
"is a number that can be converted into an integer or a string "
"that can be converted into an integer."
)
if int(file_id) < 0:
raise exceptions.PlotlyError(
"The 'file_id' argument must be a non-negative number."
)
response = requests.get(plotly_rest_url + resource,
headers=headers,
verify=get_config()['plotly_ssl_verification'])
if response.status_code == 200:
if six.PY3:
content = json.loads(response.content.decode('unicode_escape'))
else:
content = json.loads(response.content)
response_payload = content['payload']
figure = response_payload['figure']
utils.decode_unicode(figure)
if raw:
return figure
else:
return tools.get_valid_graph_obj(figure, obj_type='Figure')
else:
try:
content = json.loads(response.content)
raise exceptions.PlotlyError(content)
except:
raise exceptions.PlotlyError(
"There was an error retrieving this file")
@utils.template_doc(**tools.get_config_file())
class Stream:
""" Interface to Plotly's real-time graphing API.
Initialize a Stream object with a stream_id
found in {plotly_domain}/settings.
Real-time graphs are initialized with a call to `plot` that embeds
your unique `stream_id`s in each of the graph's traces. The `Stream`
interface plots data to these traces, as identified with the unique
stream_id, in real-time.
Every viewer of the graph sees the same data at the same time.
View examples and tutorials here:
http://nbviewer.ipython.org/github/plotly/python-user-guide/blob/master/s7_streaming/s7_streaming.ipynb
Stream example:
# Initialize a streaming graph
# by embedding stream_id's in the graph's traces
>>> stream_id = "your_stream_id" # See {plotly_domain}/settings
>>> py.plot(Data([Scatter(x=[],
y=[],
stream=dict(token=stream_id, maxpoints=100))])
# Stream data to the import trace
>>> stream = Stream(stream_id) # Initialize a stream object
>>> stream.open() # Open the stream
>>> stream.write(dict(x=1, y=1)) # Plot (1, 1) in your graph
"""
@utils.template_doc(**tools.get_config_file())
def __init__(self, stream_id):
""" Initialize a Stream object with your unique stream_id.
Find your stream_id at {plotly_domain}/settings.
For more help, see: `help(plotly.plotly.Stream)`
or see examples and tutorials here:
http://nbviewer.ipython.org/github/plotly/python-user-guide/blob/master/s7_streaming/s7_streaming.ipynb
"""
self.stream_id = stream_id
self.connected = False
def open(self):
"""Open streaming connection to plotly.
For more help, see: `help(plotly.plotly.Stream)`
or see examples and tutorials here:
http://nbviewer.ipython.org/github/plotly/python-user-guide/blob/master/s7_streaming/s7_streaming.ipynb
"""
streaming_url = get_config()['plotly_streaming_domain']
self._stream = chunked_requests.Stream(streaming_url,
80,
{'Host': streaming_url,
'plotly-streamtoken': self.stream_id})
def write(self, trace, layout=None, validate=True,
reconnect_on=(200, '', 408)):
"""Write to an open stream.
Once you've instantiated a 'Stream' object with a 'stream_id',
you can 'write' to it in real time.
positional arguments:
trace - A valid plotly trace object (e.g., Scatter, Heatmap, etc.).
Not all keys in these are `stremable` run help(Obj) on the type
of trace your trying to stream, for each valid key, if the key
is streamable, it will say 'streamable = True'. Trace objects
must be dictionary-like.
keyword arguments:
layout (default=None) - A valid Layout object
Run help(plotly.graph_objs.Layout)
validate (default = True) - Validate this stream before sending?
This will catch local errors if set to True.
Some valid keys for trace dictionaries:
'x', 'y', 'text', 'z', 'marker', 'line'
Examples:
>>> write(dict(x=1, y=2)) # assumes 'scatter' type
>>> write(Bar(x=[1, 2, 3], y=[10, 20, 30]))
>>> write(Scatter(x=1, y=2, text='scatter text'))
>>> write(Scatter(x=1, y=3, marker=Marker(color='blue')))
>>> write(Heatmap(z=[[1, 2, 3], [4, 5, 6]]))
The connection to plotly's servers is checked before writing
and reconnected if disconnected and if the response status code
is in `reconnect_on`.
For more help, see: `help(plotly.plotly.Stream)`
or see examples and tutorials here:
http://nbviewer.ipython.org/github/plotly/python-user-guide/blob/master/s7_streaming/s7_streaming.ipynb
"""
stream_object = dict()
stream_object.update(trace)
if 'type' not in stream_object:
stream_object['type'] = 'scatter'
if validate:
try:
tools.validate(stream_object, stream_object['type'])
except exceptions.PlotlyError as err:
raise exceptions.PlotlyError(
"Part of the data object with type, '{0}', is invalid. "
"This will default to 'scatter' if you do not supply a "
"'type'. If you do not want to validate your data objects "
"when streaming, you can set 'validate=False' in the call "
"to 'your_stream.write()'. Here's why the object is "
"invalid:\n\n{1}".format(stream_object['type'], err)
)
try:
tools.validate_stream(stream_object, stream_object['type'])
except exceptions.PlotlyError as err:
raise exceptions.PlotlyError(
"Part of the data object with type, '{0}', cannot yet be "
"streamed into Plotly. If you do not want to validate your "
"data objects when streaming, you can set 'validate=False' "
"in the call to 'your_stream.write()'. Here's why the "
"object cannot be streamed:\n\n{1}"
"".format(stream_object['type'], err)
)
if layout is not None:
try:
tools.validate(layout, 'Layout')
except exceptions.PlotlyError as err:
raise exceptions.PlotlyError(
"Your layout kwarg was invalid. "
"Here's why:\n\n{0}".format(err)
)
del stream_object['type']
if layout is not None:
stream_object.update(dict(layout=layout))
# TODO: allow string version of this?
jdata = json.dumps(stream_object, cls=utils._plotlyJSONEncoder)
jdata += "\n"
try:
self._stream.write(jdata, reconnect_on=reconnect_on)
except AttributeError:
raise exceptions.PlotlyError("Stream has not been opened yet, "
"cannot write to a closed connection. "
"Call `open()` on the stream to open the stream.")
def close(self):
""" Close the stream connection to plotly's streaming servers.
For more help, see: `help(plotly.plotly.Stream)`
or see examples and tutorials here:
http://nbviewer.ipython.org/github/plotly/python-user-guide/blob/master/s7_streaming/s7_streaming.ipynb
"""
try:
self._stream.close()
except AttributeError:
raise exceptions.PlotlyError("Stream has not been opened yet.")
class image:
''' Helper functions wrapped around plotly's static image generation api.
'''
@staticmethod
def get(figure_or_data, format='png', width=None, height=None):
""" Return a static image of the plot described by `figure`.
Valid formats: 'png', 'svg', 'jpeg', 'pdf'
"""
if isinstance(figure_or_data, dict):
figure = figure_or_data
elif isinstance(figure_or_data, list):
figure = {'data': figure_or_data}
if format not in ['png', 'svg', 'jpeg', 'pdf']:
raise exceptions.PlotlyError("Invalid format. "
"This version of your Plotly-Python "
"package currently only supports "
"png, svg, jpeg, and pdf. "
"Learn more about image exporting, "
"and the currently supported file "
"types here: "
"https://plot.ly/python/static-image-export/")
(username, api_key) = _validation_key_logic()
headers = {'plotly-username': username,
'plotly-apikey': api_key,
'plotly-version': version.__version__,
'plotly-platform': 'python'}
payload = {
'figure': figure,
'format': format
}
if width is not None:
payload['width'] = width
if height is not None:
payload['height'] = height
url = get_config()['plotly_domain'] + "/apigenimage/"
res = requests.post(
url, data=json.dumps(payload, cls=utils._plotlyJSONEncoder),
headers=headers, verify=get_config()['plotly_ssl_verification']
)
headers = res.headers
if res.status_code == 200:
if ('content-type' in headers and
headers['content-type'] in ['image/png', 'image/jpeg',
'application/pdf',
'image/svg+xml']):
return res.content
elif ('content-type' in headers and
'json' in headers['content-type']):
return_data = json.loads(res.content)
return return_data['image']
else:
try:
if ('content-type' in headers and
'json' in headers['content-type']):
return_data = json.loads(res.content)
else:
return_data = {'error': res.content}
except:
raise exceptions.PlotlyError("The response "
"from plotly could "
"not be translated.")
raise exceptions.PlotlyError(return_data['error'])
@classmethod
def ishow(cls, figure_or_data, format='png', width=None, height=None):
""" Display a static image of the plot described by `figure`
in an IPython Notebook.
"""
if format == 'pdf':
raise exceptions.PlotlyError("Aw, snap! "
"It's not currently possible to embed a pdf into "
"an IPython notebook. You can save the pdf "
"with the `image.save_as` or you can "
"embed an png, jpeg, or svg.")
img = cls.get(figure_or_data, format, width, height)
from IPython.display import display, Image, SVG
if format == 'svg':
display(SVG(img))
else:
display(Image(img))
@classmethod
def save_as(cls, figure_or_data, filename, format=None, width=None, height=None):
""" Save a static image of the plot described by `figure` locally as `filename`.
Valid image formats are 'png', 'svg', 'jpeg', and 'pdf'.
The format is taken as the extension of the filename or as the supplied format.
"""
(base, ext) = os.path.splitext(filename)
if not ext and not format:
filename += '.png'
elif ext and not format:
format = ext[1:]
elif not ext and format:
filename += '.'+format
else:
filename += '.'+format
img = cls.get(figure_or_data, format, width, height)
f = open(filename, 'wb')
f.write(img)
f.close()
class file_ops:
""" Interface to Plotly's File System API
"""
@classmethod
def mkdirs(cls, folder_path):
""" Make a folder in Plotly at folder_path
Mimics the shell's mkdir -p.
Returns:
- 200 if folders already existed, nothing was created
- 201 if path was created
Raises:
- requests.exceptions.RequestException: 400
Usage examples:
>> mkdirs('new folder')
>> mkdirs('existing folder/new folder')
>> mkdirs('new/folder/path')
"""
# trim trailing slash TODO: necessesary?
if folder_path[-1] == '/':
folder_path = folder_path[0:-1]
payload = {
'path': folder_path
}
url = _api_v2.api_url('folders')
res = requests.post(url, data=payload, headers=_api_v2.headers(),
verify=get_config()['plotly_ssl_verification'])
_api_v2.response_handler(res)
class grid_ops:
""" Interface to Plotly's Grid API.
"""
@classmethod
def _fill_in_response_column_ids(cls, request_columns,
response_columns, grid_id):
for req_col in request_columns:
for resp_col in response_columns:
if resp_col['name'] == req_col.name:
req_col.id = '{}/{}'.format(grid_id, resp_col['uid'])
response_columns.remove(resp_col)
@classmethod
def upload(cls, grid, filename,
world_readable=True, auto_open=True, meta=None):
""" Upload a grid to your Plotly account with the specified filename.
"""
# Make a folder path
if filename[-1] == '/':
filename = filename[0:-1]
paths = filename.split('/')
parent_path = '/'.join(paths[0:-1])
filename = paths[-1]
if parent_path != '':
file_ops.mkdirs(parent_path)
# transmorgify grid object into plotly's format
grid_json = grid._to_plotly_grid_json()
if meta is not None:
grid_json['metadata'] = meta
payload = {
'filename': filename,
'data': json.dumps(grid_json, cls=utils._plotlyJSONEncoder),
'world_readable': world_readable
}
if parent_path != '':
payload['parent_path'] = parent_path
upload_url = _api_v2.api_url('grids')
req = requests.post(upload_url, data=payload,
headers=_api_v2.headers(),
verify=get_config()['plotly_ssl_verification'])
res = _api_v2.response_handler(req)
response_columns = res['file']['cols']
grid_id = res['file']['fid']
# mutate the grid columns with the id's returned from the server
cls._fill_in_response_column_ids(grid, response_columns, grid_id)
grid.id = grid_id
plotly_domain = get_config()['plotly_domain']
grid_url = '{}/~{}'.format(plotly_domain, grid_id.replace(':', '/'))
if meta is not None:
meta_ops.upload(meta, grid=grid)
if auto_open:
_open_url(grid_url)
return grid_url
@classmethod
def append_columns(cls, columns, grid=None, grid_url=None):
grid_id = _api_v2.parse_grid_id_args(grid, grid_url)
# Verify unique column names
column_names = [c.name for c in columns]
if grid:
existing_column_names = [c.name for c in grid]
column_names.extend(existing_column_names)
duplicate_name = utils.get_first_duplicate(column_names)
if duplicate_name:
err = exceptions.NON_UNIQUE_COLUMN_MESSAGE.format(duplicate_name)
raise exceptions.InputError(err)
payload = {
'cols': json.dumps(columns, cls=utils._plotlyJSONEncoder)
}
api_url = _api_v2.api_url('grids')+'/{grid_id}/col'.format(grid_id=grid_id)
res = requests.post(api_url, data=payload, headers=_api_v2.headers(),
verify=get_config()['plotly_ssl_verification'])
res = _api_v2.response_handler(res)
cls._fill_in_response_column_ids(columns, res['cols'], grid_id)
if grid:
grid.extend(columns)
@classmethod
def append_rows(cls, rows, grid=None, grid_url=None):
grid_id = _api_v2.parse_grid_id_args(grid, grid_url)
if grid:
n_columns = len([column for column in grid])
for row_i, row in enumerate(rows):
if len(row) != n_columns:
raise exceptions.InputError(
"The number of entries in "
"each row needs to equal the number of columns in "
"the grid. Row {} has {} {} but your "
"grid has {} {}. "
.format(row_i, len(row),
'entry' if len(row) == 1 else 'entries',
n_columns,
'column' if n_columns == 1 else 'columns'))
payload = {
'rows': json.dumps(rows, cls=utils._plotlyJSONEncoder)
}
api_url = (_api_v2.api_url('grids')+
'/{grid_id}/row'.format(grid_id=grid_id))
res = requests.post(api_url, data=payload, headers=_api_v2.headers(),
verify=get_config()['plotly_ssl_verification'])
_api_v2.response_handler(res)
if grid:
longest_column_length = max([len(col.data) for col in grid])
for column in grid:
n_empty_rows = longest_column_length - len(column.data)
empty_string_rows = ['' for _ in range(n_empty_rows)]
column.data.extend(empty_string_rows)
column_extensions = zip(*rows)
for local_column, column_extension in zip(grid, column_extensions):
local_column.data.extend(column_extension)
@classmethod
def delete(cls, grid=None, grid_url=None):
grid_id = _api_v2.parse_grid_id_args(grid, grid_url)
api_url = _api_v2.api_url('grids')+'/'+grid_id
res = requests.delete(api_url, headers=_api_v2.headers(),
verify=get_config()['plotly_ssl_verification'])
_api_v2.response_handler(res)
class meta_ops:
""" Interface to Plotly's Metadata API
"""
@classmethod
def upload(cls, meta, grid=None, grid_url=None):
grid_id = _api_v2.parse_grid_id_args(grid, grid_url)
payload = {
'metadata': json.dumps(meta, cls=utils._plotlyJSONEncoder)
}
api_url = _api_v2.api_url('grids')+'/{grid_id}'.format(grid_id=grid_id)
res = requests.patch(api_url, data=payload, headers=_api_v2.headers(),
verify=get_config()['plotly_ssl_verification'])
return _api_v2.response_handler(res)
class _api_v2:
""" Request and response helper class for communicating with
Plotly's v2 API
"""
@classmethod
def parse_grid_id_args(cls, grid, grid_url):
"""Return the grid_id from the non-None input argument.
Raise an error if more than one argument was supplied.
"""
if grid is not None:
id_from_grid = grid.id
else:
id_from_grid = None
args = [id_from_grid, grid_url]
arg_names = ('grid', 'grid_url')
supplied_arg_names = [arg_name for arg_name, arg
in zip(arg_names, args) if arg is not None]
if not supplied_arg_names:
raise exceptions.InputError(
"One of the two keyword arguments is required:\n"
" `grid` or `grid_url`\n\n"
"grid: a plotly.graph_objs.Grid object that has already\n"
" been uploaded to Plotly.\n\n"
"grid_url: the url where the grid can be accessed on\n"
" Plotly, e.g. 'https://plot.ly/~chris/3043'\n\n"
)
elif len(supplied_arg_names) > 1:
raise exceptions.InputError(
"Only one of `grid` or `grid_url` is required. \n"
"You supplied both. \n"
)
else:
supplied_arg_name = supplied_arg_names.pop()
if supplied_arg_name == 'grid_url':
path = urlparse(grid_url).path
file_owner, file_id = path.replace("/~", "").split('/')[0:2]
return '{}:{}'.format(file_owner, file_id)
else:
return grid.id
@classmethod
def response_handler(cls, response):
try:
response.raise_for_status()
except requests.exceptions.HTTPError as requests_exception:
plotly_exception = exceptions.PlotlyRequestError(requests_exception)
raise(plotly_exception)
if ('content-type' in response.headers and
'json' in response.headers['content-type'] and
len(response.content) > 0):
response_dict = json.loads(response.content)
if 'warnings' in response_dict and len(response_dict['warnings']):
warnings.warn('\n'.join(response_dict['warnings']))
return response_dict
@classmethod
def api_url(cls, resource):
return ('{}/v2/{}'.format(get_config()['plotly_api_domain'],
resource))
@classmethod
def headers(cls):
un, api_key = _get_session_username_and_key()
encoded_un_key_pair = base64.b64encode('{}:{}'.format(un, api_key))
return {
'authorization': 'Basic ' + encoded_un_key_pair,
'plotly-client-platform': 'python {}'.format(version.__version__)
}
def _get_session_username_and_key():
file_credentials = tools.get_credentials_file()
if ('username' in _credentials) and ('api_key' in _credentials):
username, api_key = _credentials['username'], _credentials['api_key']
elif ('username' in file_credentials) and ('api_key' in file_credentials):
(username, api_key) = (file_credentials['username'],
file_credentials['api_key'])
else:
raise exceptions.PlotlyLocalCredentialsError()
return username, api_key
def _send_to_plotly(figure, **plot_options):
"""
"""
fig = tools._replace_newline(figure) # does not mutate figure
data = json.dumps(fig['data'] if 'data' in fig else [],
cls=utils._plotlyJSONEncoder)
username, api_key = _get_session_username_and_key()
kwargs = json.dumps(dict(filename=plot_options['filename'],
fileopt=plot_options['fileopt'],
world_readable=plot_options['world_readable'],
layout=fig['layout'] if 'layout' in fig
else {}),
cls=utils._plotlyJSONEncoder)
payload = dict(platform='python', # TODO: It'd be cool to expose the platform for RaspPi and others
version=version.__version__,
args=data,
un=username,
key=api_key,
origin='plot',
kwargs=kwargs)
url = get_config()['plotly_domain'] + "/clientresp"
r = requests.post(url, data=payload,
verify=get_config()['plotly_ssl_verification'])
r.raise_for_status()
r = json.loads(r.text)
if 'error' in r and r['error'] != '':
print((r['error']))
if 'warning' in r and r['warning'] != '':
warnings.warn(r['warning'])
if 'message' in r and r['message'] != '':
print((r['message']))
return r
def _validation_key_logic():
creds_on_file = tools.get_credentials_file()
if 'username' in _credentials:
username = _credentials['username']
elif 'username' in creds_on_file:
username = creds_on_file['username']
else:
username = None
if 'api_key' in _credentials:
api_key = _credentials['api_key']
elif 'api_key' in creds_on_file:
api_key = creds_on_file['api_key']