docs-generator.py

import json
import subprocess

from pylatex import (Command, Document, Figure, Package, Section, Subsection,
                     Subsubsection, Tabular)
from pylatex.utils import NoEscape, bold

with open("sigmf-schema.json", "r") as f:
    data = json.load(f)
with open("collection-schema.json", "r") as f:
    data_collection = json.load(f)
with open("extensions/antenna-schema.json", "r") as f:
    data_antenna = json.load(f)

sigmf_version = data["$id"].split("/")[-2]
print("SigMF Version: " + sigmf_version)


def add_code_tags(text):  # swaps every pair of ` ` for \code{}
    text = text.replace("_", "\\_")  # need to escape underscores when inside a command
    while text.find("`") != -1:
        text = text.replace("`", "\\code{", 1)
        text = text.replace("`", "}", 1)
    return text


def gen_table(table, d):
    table.append(NoEscape("\\toprule"))
    table.add_row((bold("Field"), bold("Required"), bold("Type"), bold("Short Description")))
    table.append(NoEscape("\\midrule"))
    for key, value in d["properties"].items():
        field = key.replace("core:", "")
        required = "Required" if key in d.get("required", {}) else ""
        dtype = value.get("type", "MISSING")
        # default = str(value.get("default", ""))
        longdescription = value.get("description", "")
        shortdescription = longdescription[: longdescription.find(".")].replace("\n", "")  # short description, which is up to the first period
        table.add_row((field, required, dtype, shortdescription))
    table.append(NoEscape("\\bottomrule"))


def gen_fields(doc, d):
    for key, value in d["properties"].items():
        with doc.create(Subsubsection(key.replace("core:", ""))):
            doc.append(NoEscape(add_code_tags(value["description"])))  # NoEscape allows latex commands within the description
            for key2, value2 in d["properties"][key].items():
                if key2 not in [
                    "$id",
                    "description",
                    "items",
                    "additionalItems",
                    "pattern",
                ]:  # pattern had issues with latex that need to be fixed first
                    doc.append("\n")
                    doc.append(bold(key2))
                    doc.append(": ")
                    doc.append(str(value2))


geometry_options = {"tmargin": "1in", "lmargin": "1in", "rmargin": "1in", "bmargin": "1in"}
doc = Document(geometry_options=geometry_options)
doc.preamble.append(Command("title", "SigMF"))  # doesn't actually show up anywhere, but was causing a warning when not included
doc.packages.append(Package("underscore"))  # makes it so _ never means math mode!
doc.packages.append(Package("xcolor", options=["table"]))  # allows for \rowcolors
doc.packages.append(Package("listings"))
doc.packages.append(Package("microtype"))
doc.packages.append(Package("fancyhdr"))
doc.packages.append(Package("booktabs"))
doc.packages.append(Package("svg"))
doc.packages.append(
    Package("hyperref", options=["hidelinks", "colorlinks=true", "urlcolor=blue", "linkcolor=black"])
)  # \usepackage[, urlcolor=blue, linkcolor=red]{hyperref}

# Colors
doc.append(NoEscape("\\definecolor{mylightgray}{RGB}{240,240,240}"))  # for `short code`
doc.append(NoEscape("\\definecolor{lightblue}{RGB}{240,240,255}"))  # for table rows

# Custom commands
doc.append(
    NoEscape("\\newcommand{\\code}[1]{\\texttt{\colorbox{mylightgray}{#1}}}")
)  # \\code{} displays using monospace font and light gray background
doc.append(NoEscape("\\newcommand{\\nn}[0]{\\vspace{4mm}\\\\\\noindent}"))  # \\nn gives a new line with space and no indent

# Footer
doc.append(NoEscape("\\pagestyle{fancy}"))
doc.append(NoEscape("\\fancyhf{}"))  # clear all header/footer fields
doc.append(NoEscape("\\renewcommand{\headrulewidth}{0pt}"))
doc.append(NoEscape("\\fancyfoot[LE,RO]{\\thepage}"))
doc.append(NoEscape("\\fancyfoot[LO,CE]{\\footnotesize SigMF Specification Version " + sigmf_version + "}"))

with doc.create(Figure(position="h!")) as logo:
    doc.append(NoEscape("\\vspace{-0.8in}\\centering"))
    # doc.append(NoEscape('\\includesvg[width=200pt]{logo/sigmf\string_logo.svg}')) # Using SVG made PDF take a couple extra seconds to open...
    logo.add_image("logo/sigmf_logo.png", width="120px")
    doc.append(NoEscape("\\vspace{-0.3in}"))

with doc.create(Section("SigMF Specification Version " + sigmf_version)):
    with doc.create(Subsection("Abstract")):  # Abstract lives in the JSON Schema
        doc.append(data["description"])

    with doc.create(Subsection("Copyright Notice")):
        doc.append(
            NoEscape(
                "This document is available under the \href{http://creativecommons.org/licenses/by-sa/4.0/}{CC-BY-SA License}. Copyright of contributions to SigMF are retained by their original authors. All contributions under these terms are welcome."
            )
        )

    with doc.create(Subsection("Table of Contents")):
        doc.append(NoEscape("\\vspace{-0.4in}\\def\\contentsname{\\empty}\\setcounter{tocdepth}{3}\\tableofcontents"))

    doc.append(NoEscape(add_code_tags(open("additional_content.md", "r").read().split("<<<<<<<<<<content from JSON schema>>>>>>>>>>>>")[0])))

    with doc.create(Subsection("Global Object")):
        doc.append(NoEscape(add_code_tags(data["properties"]["global"]["description"])))
        doc.append("\n\n")
        doc.append(NoEscape("\\rowcolors{1}{}{lightblue}"))
        with doc.create(Tabular("lllp{3.8in}")) as table:
            gen_table(table, data["properties"]["global"])
        gen_fields(doc, data["properties"]["global"])

    with doc.create(Subsection("Captures Array")):
        doc.append(NoEscape(add_code_tags(data["properties"]["captures"]["description"])))
        doc.append("\n\n")
        doc.append(NoEscape("\\rowcolors{1}{}{lightblue}"))
        with doc.create(Tabular("lllp{3.8in}")) as table:
            gen_table(table, data["properties"]["captures"]["items"]["anyOf"][0])
        gen_fields(doc, data["properties"]["captures"]["items"]["anyOf"][0])

    with doc.create(Subsection("Annotations Array")):
        doc.append(NoEscape(add_code_tags(data["properties"]["annotations"]["description"])))
        doc.append("\n\n")
        doc.append(NoEscape("\\rowcolors{1}{}{lightblue}"))
        with doc.create(Tabular("lllp{3.8in}")) as table:
            gen_table(table, data["properties"]["annotations"]["items"]["anyOf"][0])
        gen_fields(doc, data["properties"]["annotations"]["items"]["anyOf"][0])

    with doc.create(Subsection("SigMF Collection Format")):
        doc.append(NoEscape(add_code_tags(data_collection["properties"]["collection"]["description"])))
        doc.append("\n\n")
        doc.append(NoEscape("\\rowcolors{1}{}{lightblue}"))
        with doc.create(Tabular("lllp{3.8in}")) as table:
            gen_table(table, data_collection["properties"]["collection"])
        gen_fields(doc, data_collection["properties"]["collection"])

    doc.append(NoEscape(add_code_tags(open("additional_content.md", "r").read().split("<<<<<<<<<<content from JSON schema>>>>>>>>>>>>")[1])))

with doc.create(Section("Extensions")):
    with doc.create(Subsection("Antenna")):
        doc.append(NoEscape(add_code_tags(data_antenna["properties"]["global"]["description"])))
        doc.append("\n\n")
        doc.append(NoEscape("\\rowcolors{1}{}{lightblue}"))
        with doc.create(Tabular("lllp{2.8in}")) as table:
            gen_table(table, data_antenna["properties"]["global"])
        gen_fields(doc, data_antenna["properties"]["global"])

        doc.append(NoEscape("\\nn"))
        doc.append(NoEscape(add_code_tags(data_antenna["properties"]["annotations"]["description"])))
        doc.append("\n\n")
        doc.append(NoEscape("\\rowcolors{1}{}{lightblue}"))
        with doc.create(Tabular("lllp{3.8in}")) as table:
            gen_table(table, data_antenna["properties"]["annotations"]["items"]["anyOf"][0])
        gen_fields(doc, data_antenna["properties"]["annotations"]["items"]["anyOf"][0])

        doc.append(NoEscape("\\nn"))
        doc.append(NoEscape(add_code_tags(data_antenna["properties"]["collection"]["description"])))
        doc.append("\n\n")
        doc.append(NoEscape("\\rowcolors{1}{}{lightblue}"))
        with doc.create(Tabular("lllp{3.8in}")) as table:
            gen_table(table, data_antenna["properties"]["collection"])
        gen_fields(doc, data_antenna["properties"]["collection"])

print("Generating...")
try:
    doc.generate_pdf("sigmf-spec", clean_tex=False, compiler_args=["--shell-escape"])  # clean_tex will remove the generated tex file
except subprocess.CalledProcessError as e:
    print(e)  # this seems normal to occur

# 2nd time, so table of contents loads
try:
    doc.generate_pdf("sigmf-spec", clean_tex=False, compiler_args=["--shell-escape"])  # clean_tex will remove the generated tex file
except subprocess.CalledProcessError as e:
    print(e)  # this seems normal to occur

# Create CSS file
css_string = """
#TOC {
    position: fixed;
    width: 20em;
    left: -1em;
    top: 0;
    height: 100%;
    background-color: white;
    overflow-y: scroll;
    padding: 0;
}
#subsec\:TableofContents {
    display: none;
}
body {
    padding-left: 20em;
}
@media (max-width:800px){
    #TOC {display:none; width: 0em;}
    body {padding-left: 0em;}
}
code {
    color: #000;
    font-family: monospace;
    background: #f4f4f4;
}
tr:nth-of-type(odd) {
    background-color:#f0f0ff;
}
"""
with open("main.css", "w") as f:
    f.write(css_string)

# Generate HTML from tex with Pandoc
css_url = "https://cdn.jsdelivr.net/npm/bootstrap@4.4.1/dist/css/bootstrap.min.css"
pandoc_out = subprocess.run(
    f"pandoc sigmf-spec.tex -f latex -t html -s -o sigmf-spec.html --toc --toc-depth=3 -c {css_url} -c main.css".split(),
    capture_output=True,
    text=True,
)
if len(pandoc_out.stderr):
    raise Exception("Pandoc error: " + pandoc_out.stderr)