4.5 KiB
jc.utils
jc - JSON CLI output utility utils
warning_message
def warning_message(message_lines)
Prints warning message for non-fatal issues. The first line is prepended with 'jc: Warning - ' and subsequent lines are indented. Wraps text as needed based on the terminal width.
Arguments:
message- (list) list of string lines
Returns:
None - just prints output to STDERR
error_message
def error_message(message_lines)
Prints an error message for fatal issues. The first line is prepended with 'jc: Error - ' and subsequent lines are indented. Wraps text as needed based on the terminal width.
Arguments:
message- (list) list of string lines
Returns:
None - just prints output to STDERR
compatibility
def compatibility(mod_name, compatible, quiet=False)
Checks for the parser's compatibility with the running OS platform.
Arguments:
-
mod_name- (string) name of the calling module -
compatible- (list) sys.platform name(s) compatible with the parser. compatible options: linux, darwin, cygwin, win32, aix, freebsd -
quiet- (bool) supress compatibility message if True
Returns:
None - just prints output to STDERR
has_data
def has_data(data)
Checks if the input contains data. If there are any non-whitespace characters then return True, else return False.
Arguments:
data- (string) input to check whether it contains data
Returns:
Boolean True if input string (data) contains non-whitespace characters, otherwise False
convert_to_int
def convert_to_int(value)
Converts string and float input to int. Strips all non-numeric characters from strings.
Arguments:
value- (string/integer/float) Input value
Returns:
integer/None Integer if successful conversion, otherwise None
convert_to_float
def convert_to_float(value)
Converts string and int input to float. Strips all non-numeric characters from strings.
Arguments:
value- (string) Input value
Returns:
float/None Float if successful conversion, otherwise None
convert_to_bool
def convert_to_bool(value)
Converts string, integer, or float input to boolean by checking for 'truthy' values.
Arguments:
value- (string/integer/float) Input value
Returns:
True/False False unless a 'truthy' number or string is found ('y', 'yes', 'true', '1', 1, -1, etc.)
stream_success
def stream_success(output_line, ignore_exceptions)
Add _jc_meta object to output line if ignore_exceptions=True
stream_error
def stream_error(e, ignore_exceptions, line)
Reraise the stream exception with annotation or print an error
_jc_meta field if ignore_exceptions=True.
input_type_check
def input_type_check(data)
Ensure input data is a string
streaming_input_type_check
def streaming_input_type_check(data)
Ensure input data is an iterable, but not a string or bytes
streaming_line_input_type_check
def streaming_line_input_type_check(line)
Ensure each line is a string
timestamp Objects
class timestamp()
Input a date-time text string of several formats and convert to a naive or timezone-aware epoch timestamp in UTC.
Arguments:
datetime_string- (str) a string representation of a date-time in several supported formats
Attributes:
string (str) the input datetime string
format (int) the format rule that was used to decode the datetime string. None if conversion fails
naive (int) timestamp based on locally configured timezone. None if conversion fails
utc (int) aware timestamp only if UTC timezone detected in datetime string. None if conversion fails