pecos.utils module

The utils module contains helper functions.

pecos.utils.round_index(dt, frequency, how='nearest')

Round datetime index.

Parameters:

dt : DatetimeIndex

Time series index

frequency : int

Expected time series frequency, in seconds

how : string (optional)

Method for rounding, default = ‘nearest’. Options include:

• nearest = round the index to the nearest expected integer
• floor= round the index to the largest expected integer such that the integer <= index
• ceiling = round the index to the smallest expected integer such that the integer >= index

Returns:

rounded _dt : DatetimeIndex

Rounded time series index

pecos.utils.convert_html_to_image(html_filename, image_filename, image_format='png', quality=100, zoom=1)

Convert html file to image file using wkhtmltoimage. See http://wkhtmltopdf.org/ for more information.

Parameters:

html_filename : string

HTML file name, with full path

image_filename : string

Image file name, with full path

image_format : string (optional)

Image format, default = ‘png’

quality : int (optional)

Image quality, default = 100

zoom : int (optional)

Zoom factor, default = 1