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<!doctype html PUBLIC "-//W3C//DTD html 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">

<html>

<head>

<title>Coverage for plotly/utils: 42%</title>

jQuery(document).ready(coverage.pyfile_ready);

</script>

</head>

<h1>Coverage for plotly/utils :

42%

</h1>

108 statements  

45 run

63 missing

0 excluded

</h2>

</div>

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"""

utils

=====

Low-level functionality NOT intended for users to EVER use.

"""

import json

import os.path

import sys

### general file setup tools ###

def load_json_dict(filename, *args):

"""Checks if file exists. Returns {} if something fails."""

data = {}

if os.path.exists(filename):

with open(filename, "r") as f:

try:

data = json.load(f)

if not isinstance(data, dict):

data = {}

except:

pass # TODO: issue a warning and bubble it up

if args:

d = dict()

for key in args:

if key in data:

d[key] = data[key]

return d

# TODO: replace with below if we drop Python 2.6 compatibility

# return {key: data[key] for key in args if key in data}

return data

def save_json_dict(filename, json_dict):

"""Will error if filename is not appropriate, but it's checked elsewhere.

"""

if isinstance(json_dict, dict):

with open(filename, "w") as f:

f.write(json.dumps(json_dict, indent=4))

else:

raise TypeError("json_dict was not a dictionay. couldn't save.")

### Custom JSON encoders ###

class _plotlyJSONEncoder(json.JSONEncoder):

def numpyJSONEncoder(self, obj):

try:

import numpy

if type(obj).__module__.split('.')[0] == numpy.__name__:

l = obj.tolist()

d = self.datetimeJSONEncoder(l)

return d if d is not None else l

except:

pass

return None

def datetimeJSONEncoder(self, obj):

# if datetime or iterable of datetimes, convert to a string that plotly understands

# format as %Y-%m-%d %H:%M:%S.%f, %Y-%m-%d %H:%M:%S, or %Y-%m-%d depending on what non-zero resolution was provided

import datetime

try:

if isinstance(obj, (datetime.datetime, datetime.date)):

if obj.microsecond != 0:

return obj.strftime('%Y-%m-%d %H:%M:%S.%f')

elif obj.second != 0 or obj.minute != 0 or obj.hour != 0:

return obj.strftime('%Y-%m-%d %H:%M:%S')

else:

return obj.strftime('%Y-%m-%d')

elif isinstance(obj[0], (datetime.datetime, datetime.date)):

return [o.strftime(

'%Y-%m-%d %H:%M:%S.%f') if o.microsecond != 0 else

o.strftime('%Y-%m-%d %H:%M:%S') if o.second != 0 or o.minute != 0 or o.hour != 0 else

o.strftime('%Y-%m-%d')

for o in obj]

except:

pass

return None

def pandasJSONEncoder(self, obj):

try:

import pandas

if isinstance(obj, pandas.Series):

return obj.tolist()

except:

pass

return None

def sageJSONEncoder(self, obj):

try:

from sage.all import RR, ZZ

if obj in RR:

return float(obj)

elif obj in ZZ:

return int(obj)

except:

pass

return None

def default(self, obj):

try:

return json.dumps(obj)

except TypeError as e:

encoders = (self.datetimeJSONEncoder, self.numpyJSONEncoder,

self.pandasJSONEncoder, self.sageJSONEncoder)

for encoder in encoders:

s = encoder(obj)

if s is not None:

return s

raise e

return json.JSONEncoder.default(self, obj)

### unicode stuff ###

def decode_unicode(coll):

if isinstance(coll, list):

for no, entry in enumerate(coll):

if isinstance(entry, (dict, list)):

coll[no] = decode_unicode(entry)

else:

if isinstance(entry, str):

try:

coll[no] = str(entry)

except UnicodeEncodeError:

pass

elif isinstance(coll, dict):

keys, vals = list(coll.keys()), list(coll.values())

for key, val in zip(keys, vals):

if isinstance(val, (dict, list)):

coll[key] = decode_unicode(val)

elif isinstance(val, str):

try:

coll[key] = str(val)

except UnicodeEncodeError:

pass

coll[str(key)] = coll.pop(key)

return coll

### docstring templating ###

def template_doc(**names):

def _decorator(func):

if sys.version[:3] != '3.2':

if func.__doc__ is not None:

func.__doc__ = func.__doc__.format(**names)

return func

return _decorator

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<a class='nav' href='index.html'>« index</a>     <a class='nav' href='http://nedbatchelder.com/code/coverage'>coverage.py v3.7.1</a>

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