rex.utilities.utilities

Collection of helpful functions

Functions

check_eval_str(s)	Check an eval() string for questionable code.
check_res_file(res_file)	Check resource to see if the given path - It belongs to a multi-file handler - Is on local disk - Is a hsds path
check_tz(time_index)	Check datetime index for timezone, if None set to UTC
dict_str_load(dict_str)	Load jsonified string entries into dictionaries using JSON
filename_timestamp(file_name[, time_format])	extract timestamp from file name
get_chunk_ranges(ds_dim, chunk_size)	Create list of chunk slices [(s_i, e_i), ...]
get_class_properties(cls)	Get all class properties Used to check against config keys
get_dtype(col)	Get column dtype for converstion to records array
get_lat_lon_cols(df)	Get columns that contain (latitude, longitude) coordinates
jsonify_dict(di)	Jsonify a dictionary into a string with handling for int/float keys.
mean_irrad(arr)	Calc the annual irradiance at a site given an irradiance timeseries.
parse_date_int(s)	Parse data parameters from an integer or string of format YYYYMMDD
parse_table(table)	Load pandas DataFrame from .csv or .json file or dictionary
parse_timestamp(path[, time_format])	extract timestamp with given format from given path
parse_year(inp[, option])	Attempt to parse a year out of a string.
pd_date_range(*args, **kwargs)	A simple wrapper on the pd.date_range() method that handles the closed vs.
res_dist_threshold(lat_lons[, tree, margin])	Distance threshold for nearest neighbor searches performed on resource points.
roll_timeseries(arr, timezones)	Roll timeseries from UTC to local time.
row_col_indices(sc_point_gids, row_length)	Convert supply curve point gids to row and col indices given row length
safe_json_load(fpath)	Perform a json file load with better exception handling.
safe_yaml_load(fpath)	Perform a yaml file load with better exception handling.
slice_sites(shape, chunks[, sites, ...])	Slice sites into given number of sub-sets with given number of chunks per sub-set
split_sites_list(sites, slice_size)	Split sites into sub-lists of ~ size slice_size
split_sites_slice(sites_slice, n_sites, ...)	Break up sites_slice into slices of size slice_size
str_to_date(s)	Convert a date string of format YYYYMMDD to date object.
str_to_datetime(s)	Convert a date string of format YYYYMMDD to datetime object.
timestamp_format_to_redex(time_format)	convert time stamp format to redex
to_records_array(df)	Convert pandas DataFrame to numpy Records Array
unstupify_path(path)	Utility to create sensical os agnostic paths from relative or local path such as: - ~/file - file - /.
validate_filepath(fpath, file_extension, ...)	Validate an input filepath.
write_json(path, data)	Write data to given json file

Classes

Retry([tries, n_sec])

Retry Decorator to run a function multiple times