Below are Atom community packages I installed for Python development. They are covered most of functions u need. Take this post as an backup.
pdfunite pdfunite merges several PDF (Portable Document Format) files in order of their occurrence on command line to one PDF result file. EXAMPLE pdfunite sample1.pdf sample2.pdf sample.pdf merges all pages from sample1.pdf and sample2.pdf (in that order) and creates sample.pdf pdftocairo pdftocairo [options] PDF-file [output-file] DESCRIPTION pdftocairo converts Portable Document Format (PDF) files, using the cairo output device of the pop‐pler PDF library, to any of the following output formats: OPTIONS -png Generates a PNG file(s) -jpeg Generates a JPEG file(s) -tiff Generates a TIFF file(s) -pdf Generates a PDF file pdfseparate pdfseparate extract single pages from a Portable Document Format (PDF). pdfseparate reads the PDF file PDF-file, extracts one or more pages, and writes one PDF file for each page to PDF-page-pattern, PDF-page-pattern should contain %d. %d is replaced