privateutility: privateutility Function

In RichCotler/nntpr: Package providing an R interface to python nntplib functions via reticulate

Description

This function provides private utility functions used by other nntpr functions

• adjust_article_range - returns a vector with original first and last article numbers or adjusted value(s) if a requested number falls outside of the group's actual range

• call2python - invoke reticulate functions to run python commands with exception handling

• count_lines - returns the number of lines in the supplied text file (with path)

• delete_temptext - cleans up temporary text file after posting

• execute_listhdr_call - executes validated nntplib xhdr or xover call with appropriate passed parameters

• getartinfo - return list with first and last article information stored by listartheader and listheaderfield

• getclocktime - return a string with the rounded elapsed time from getexectime

• getexectime - return last stored execution time info (proc.time) from group list, xover, and xhdr calls

• getgroupinfo - return Group information vector (response, count, first, last, name) stored by group

• getretmessage - global retmessage retrieval

• is.wholenumber - tests a variable to see if it is numeric and is an integer

• propsamplesize - calculates proportional sample size for systematic sampling of newsgroup article information

• samplegroup - creates a sample set data frame of article numbers, postdates, counts for group volume plotting across group dates

• sampleheaderfield - called from inside list apply loop, calls header retrieval with error handling and retry logic

• samplesubject - creates a sample set data frame of article subjects for a set of article numbers for processing to produce a term frequency wordcloud

• set_from_header - returns From header line constructed from stored name, email name, email domain values

• set_messageid_header - returns Message-ID header line constructed from supplied message_id and stored email domain

• set_temptext_filename - returns temporary text file using message_id UUID

• subjects2wordcloud - takes the subject fields in the groupdatevolume sample and produces a wordcloud on term freq

• validate_header_field - returns an error message if an invalid header field name is requested

• validate_list_call - returns an error message if a list function is called without a group set or with first > last article numbers

• write_temptext - writes fully constructed text message vector to temporary file for posting

Usage

privateutility()

RichCotler/nntpr documentation built on May 31, 2019, 1:48 a.m.