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Diffstat (limited to 'hack/markdown-preprocess')
-rwxr-xr-x | hack/markdown-preprocess | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/hack/markdown-preprocess b/hack/markdown-preprocess new file mode 100755 index 000000000..4bc67a819 --- /dev/null +++ b/hack/markdown-preprocess @@ -0,0 +1,85 @@ +#!/usr/bin/env python3 +# +# markdown-preprocess - filter *.md.in files, convert to .md +# + +import glob +import os +import sys + +def main(): + script_dir = os.path.abspath(os.path.dirname(__file__)) + man_dir = os.path.join(script_dir,"../docs/source/markdown") + + try: + os.chdir(man_dir) + except FileNotFoundError: + raise Exception("Please invoke me from the base repo dir") + + # If called with args, process only those files + infiles = [ os.path.basename(x) for x in sys.argv[1:] ] + if len(infiles) == 0: + # Called without args: process all *.md.in files + infiles = glob.glob('*.md.in') + for infile in infiles: + process(infile) + +def process(infile): + # Some options are the same between containers and pods; determine + # which description to use from the name of the source man page. + pod_or_container = 'container' + if '-pod-' in infile: + pod_or_container = 'pod' + + # Sometimes a man page includes the subcommand. + subcommand = removesuffix(removeprefix(infile,"podman-"),".1.md.in").replace("-", " ") + + # foo.md.in -> foo.md -- but always write to a tmpfile + outfile = os.path.splitext(infile)[0] + outfile_tmp = outfile + '.tmp.' + str(os.getpid()) + +# print("got here: ",infile, " -> ", outfile) + + with open(infile, 'r') as fh_in, open(outfile_tmp, 'w') as fh_out: + for line in fh_in: + # '@@option foo' -> include file options/foo.md + if line.startswith('@@option '): + _, optionname = line.strip().split(" ") + optionfile = os.path.join("options", optionname + '.md') + + # Comment intended to help someone viewing the .md file. + # Leading newline is important because if two lines are + # consecutive without a break, sphinx (but not go-md2man) + # treats them as one line and will unwantedly render the + # comment in its output. + fh_out.write("\n[//]: # (BEGIN included file " + optionfile + ")\n") + with open(optionfile, 'r') as fh_optfile: + for opt_line in fh_optfile: + opt_line = opt_line.replace('<POD-OR-CONTAINER>', pod_or_container) + opt_line = opt_line.replace('<SUBCOMMAND>', subcommand) + fh_out.write(opt_line) + fh_out.write("\n[//]: # (END included file " + optionfile + ")\n") + else: + fh_out.write(line) + + os.chmod(outfile_tmp, 0o444) + os.rename(outfile_tmp, outfile) + +# str.removeprefix() is python 3.9+, we need to support older versions on mac +def removeprefix(string: str, prefix: str) -> str: + if string.startswith(prefix): + return string[len(prefix):] + else: + return string[:] + +# str.removesuffix() is python 3.9+, we need to support older versions on mac +def removesuffix(string: str, suffix: str) -> str: + # suffix='' should not call self[:-0]. + if suffix and string.endswith(suffix): + return string[:-len(suffix)] + else: + return string[:] + + +if __name__ == "__main__": + main() |