| #!/usr/bin/env python3 | 
 | # Copyright lowRISC contributors. | 
 | # Licensed under the Apache License, Version 2.0, see LICENSE for details. | 
 | # SPDX-License-Identifier: Apache-2.0 | 
 | # | 
 | # Usage: | 
 | #   run './build_docs.py' to generate the documentation and keep it updated | 
 | #   open 'http://localhost:1313/' to check live update (this opens the top | 
 | #   level index page). you can also directly access a specific document by | 
 | #   accessing 'http://localhost:1313/path/to/doc', | 
 | #       e.g. http://localhost:1313/hw/ip/uart/doc | 
 |  | 
 | import argparse | 
 | import logging | 
 | import os | 
 | import platform | 
 | import re | 
 | import socket | 
 | import subprocess | 
 | import sys | 
 | import textwrap | 
 | from pathlib import Path | 
 |  | 
 | import check_tool_requirements | 
 | import dashboard.gen_dashboard_entry as gen_dashboard_entry | 
 | import difgen.gen_dif_listing as gen_dif_listing | 
 | import dvsim.Testplan as Testplan | 
 | import reggen.gen_cfg_html as gen_cfg_html | 
 | import reggen.gen_html as gen_html | 
 | import reggen.gen_selfdoc as reggen_selfdoc | 
 | import tlgen | 
 | from reggen.ip_block import IpBlock | 
 |  | 
 | USAGE = """ | 
 |   build_docs [options] | 
 | """ | 
 |  | 
 | # Version of hugo extended to be used to build the docs | 
 | try: | 
 |     TOOL_REQUIREMENTS = check_tool_requirements.read_tool_requirements() | 
 |     HUGO_EXTENDED_VERSION = TOOL_REQUIREMENTS['hugo_extended'].min_version | 
 | except Exception as e: | 
 |     print("Unable to get required hugo version: %s" % str(e), file=sys.stderr) | 
 |     sys.exit(1) | 
 |  | 
 | # Configurations | 
 | # TODO: Move to config.yaml | 
 | SRCTREE_TOP = Path(__file__).parent.joinpath('..').resolve() | 
 | config = { | 
 |     # Toplevel source directory | 
 |     "topdir": | 
 |     SRCTREE_TOP, | 
 |  | 
 |     # Pre-generate register and hwcfg fragments from these files. | 
 |     "hardware_definitions": [ | 
 |         "hw/ip/aes/data/aes.hjson", | 
 |         "hw/ip/aon_timer/data/aon_timer.hjson", | 
 |         "hw/top_earlgrey/ip_autogen/alert_handler/data/alert_handler.hjson", | 
 |         "hw/ip/entropy_src/data/entropy_src.hjson", | 
 |         "hw/ip/csrng/data/csrng.hjson", | 
 |         "hw/ip/adc_ctrl/data/adc_ctrl.hjson", | 
 |         "hw/ip/edn/data/edn.hjson", | 
 |         "hw/ip/flash_ctrl/data/flash_ctrl.hjson", | 
 |         "hw/ip/gpio/data/gpio.hjson", | 
 |         "hw/ip/hmac/data/hmac.hjson", | 
 |         "hw/ip/i2c/data/i2c.hjson", | 
 |         "hw/ip/keymgr/data/keymgr.hjson", | 
 |         "hw/ip/kmac/data/kmac.hjson", | 
 |         "hw/ip/lc_ctrl/data/lc_ctrl.hjson", | 
 |         "hw/ip/otbn/data/otbn.hjson", | 
 |         "hw/ip/otp_ctrl/data/otp_ctrl.hjson", | 
 |         "hw/ip/pattgen/data/pattgen.hjson", | 
 |         "hw/ip/pwm/data/pwm.hjson", | 
 |         "hw/ip/rom_ctrl/data/rom_ctrl.hjson", | 
 |         "hw/ip/rv_dm/data/rv_dm.hjson", | 
 |         "hw/top_earlgrey/ip/pinmux/data/autogen/pinmux.hjson", | 
 |         "hw/top_earlgrey/ip/clkmgr/data/autogen/clkmgr.hjson", | 
 |         "hw/top_earlgrey/ip/pwrmgr/data/autogen/pwrmgr.hjson", | 
 |         "hw/top_earlgrey/ip/rstmgr/data/autogen/rstmgr.hjson", | 
 |         "hw/top_earlgrey/ip/sensor_ctrl/data/sensor_ctrl.hjson", | 
 |         "hw/top_earlgrey/ip_autogen/rv_plic/data/rv_plic.hjson", | 
 |         "hw/ip/rv_core_ibex/data/rv_core_ibex.hjson", | 
 |         "hw/ip/rv_timer/data/rv_timer.hjson", | 
 |         "hw/ip/spi_host/data/spi_host.hjson", | 
 |         "hw/ip/spi_device/data/spi_device.hjson", | 
 |         "hw/ip/sram_ctrl/data/sram_ctrl.hjson", | 
 |         "hw/ip/sysrst_ctrl/data/sysrst_ctrl.hjson", | 
 |         "hw/ip/uart/data/uart.hjson", | 
 |         "hw/ip/usbdev/data/usbdev.hjson", | 
 |         "hw/ip/usbuart/data/usbuart.hjson", | 
 |     ], | 
 |  | 
 |     # Pre-generate dashboard fragments from these directories. | 
 |     "dashboard_definitions": { | 
 |         "comportable": [ | 
 |             "hw/ip", | 
 |         ], | 
 |         "top_earlgrey": [ | 
 |             "hw/top_earlgrey/ip", | 
 |             "hw/top_earlgrey/ip_autogen", | 
 |         ], | 
 |     }, | 
 |  | 
 |     # Pre-generate testplan fragments from these files. | 
 |     "testplan_definitions": [ | 
 |         "hw/ip/aes/data/aes_testplan.hjson", | 
 |         "hw/top_earlgrey/ip_autogen/alert_handler/data/alert_handler_testplan.hjson", | 
 |         "hw/ip/aon_timer/data/aon_timer_testplan.hjson", | 
 |         "hw/ip/clkmgr/data/clkmgr_testplan.hjson", | 
 |         "hw/ip/entropy_src/data/entropy_src_testplan.hjson", | 
 |         "hw/ip/csrng/data/csrng_testplan.hjson", | 
 |         "hw/ip/adc_ctrl/data/adc_ctrl_testplan.hjson", | 
 |         "hw/ip/edn/data/edn_testplan.hjson", | 
 |         "hw/ip/flash_ctrl/data/flash_ctrl_testplan.hjson", | 
 |         "hw/ip/gpio/data/gpio_testplan.hjson", | 
 |         "hw/ip/hmac/data/hmac_testplan.hjson", | 
 |         "hw/ip/i2c/data/i2c_testplan.hjson", | 
 |         "hw/ip/kmac/data/kmac_base_testplan.hjson", | 
 |         "hw/ip/keymgr/data/keymgr_testplan.hjson", | 
 |         "hw/ip/lc_ctrl/data/lc_ctrl_testplan.hjson", | 
 |         "hw/ip/otbn/data/otbn_testplan.hjson", | 
 |         "hw/ip/otp_ctrl/data/otp_ctrl_testplan.hjson", | 
 |         "hw/ip/pattgen/data/pattgen_testplan.hjson", | 
 |         "hw/ip/pinmux/data/pinmux_fpv_testplan.hjson", | 
 |         "hw/ip/pwm/data/pwm_testplan.hjson", | 
 |         "hw/ip/pwrmgr/data/pwrmgr_testplan.hjson", | 
 |         "hw/ip/rom_ctrl/data/rom_ctrl_testplan.hjson", | 
 |         "hw/ip/rstmgr/data/rstmgr_testplan.hjson", | 
 |         "hw/ip/rv_dm/data/rv_dm_testplan.hjson", | 
 |         "hw/top_earlgrey/ip_autogen/rv_plic/data/rv_plic_fpv_testplan.hjson", | 
 |         "hw/ip/rv_timer/data/rv_timer_testplan.hjson", | 
 |         "hw/ip/spi_device/data/spi_device_testplan.hjson", | 
 |         "hw/ip/spi_host/data/spi_host_testplan.hjson", | 
 |         "hw/ip/sram_ctrl/data/sram_ctrl_base_testplan.hjson", | 
 |         "hw/ip/tlul/data/tlul_testplan.hjson", | 
 |         "hw/ip/uart/data/uart_testplan.hjson", | 
 |         "hw/ip/usbdev/data/usbdev_testplan.hjson", | 
 |         "hw/ip/sysrst_ctrl/data/sysrst_ctrl_testplan.hjson", | 
 |         "hw/top_earlgrey/data/chip_testplan.hjson", | 
 |         "hw/top_earlgrey/data/chip_testplan.hjson:gls", | 
 |         "hw/top_earlgrey/data/standalone_sw_testplan.hjson", | 
 |         "util/dvsim/examples/testplanner/foo_testplan.hjson", | 
 |     ], | 
 |  | 
 |     # Pre-generated utility selfdoc | 
 |     "selfdoc_tools": ["tlgen", "reggen"], | 
 |  | 
 |     # DIF Docs | 
 |     "difs-directory": "sw/device/lib/dif", | 
 |  | 
 |     # Output directory for documents | 
 |     "outdir": | 
 |     SRCTREE_TOP.joinpath('build', 'docs'), | 
 |     "outdir-generated": | 
 |     SRCTREE_TOP.joinpath('build', 'docs-generated'), | 
 |     "verbose": | 
 |     False, | 
 | } | 
 |  | 
 |  | 
 | def generate_dashboards(): | 
 |     for dashboard_name, dirs in config["dashboard_definitions"].items(): | 
 |         hjson_paths = [] | 
 |         for d in dirs: | 
 |             hjson_paths += SRCTREE_TOP.joinpath(d).rglob('*.prj.hjson') | 
 |  | 
 |         hjson_paths.sort(key=lambda f: f.name) | 
 |  | 
 |         dashboard_path = config["outdir-generated"].joinpath( | 
 |             dashboard_name, 'dashboard') | 
 |         dashboard_path.parent.mkdir(exist_ok=True, parents=True) | 
 |         dashboard_html = open(str(dashboard_path), mode='w') | 
 |         for hjson_path in hjson_paths: | 
 |             gen_dashboard_entry.gen_dashboard_html(hjson_path, dashboard_html) | 
 |         dashboard_html.close() | 
 |  | 
 |  | 
 | def generate_hardware_blocks(): | 
 |     for hardware in config["hardware_definitions"]: | 
 |         regs = IpBlock.from_path(str(SRCTREE_TOP.joinpath(hardware)), []) | 
 |  | 
 |         hw_path = config["outdir-generated"].joinpath(hardware) | 
 |         dst_path = hw_path.parent | 
 |         dst_path.mkdir(parents=True, exist_ok=True) | 
 |  | 
 |         regs_path = dst_path.joinpath(hw_path.name + '.registers') | 
 |         with open(regs_path, 'w') as regs_file: | 
 |             gen_html.gen_html(regs, regs_file) | 
 |  | 
 |         hwcfg_path = dst_path.joinpath(hw_path.name + '.hwcfg') | 
 |         with open(hwcfg_path, 'w') as hwcfg_file: | 
 |             gen_cfg_html.gen_cfg_html(regs, hwcfg_file) | 
 |  | 
 |  | 
 | def generate_testplans(): | 
 |     for testplan in config["testplan_definitions"]: | 
 |         # Split the filename into filename and tags, if provided. | 
 |         split = testplan.split(":") | 
 |         filename = split[0] | 
 |         tags = "_".join(split[1:]) | 
 |         plan = Testplan.Testplan(SRCTREE_TOP.joinpath(testplan), | 
 |                                  repo_top=SRCTREE_TOP) | 
 |         plan_filename = f"{filename}.{tags}_testplan" | 
 |         plan_path = config["outdir-generated"].joinpath(plan_filename) | 
 |         plan_path.parent.mkdir(parents=True, exist_ok=True) | 
 |  | 
 |         testplan_html = open(str(plan_path), mode='w') | 
 |         testplan_html.write(plan.get_testplan_table("html")) | 
 |         testplan_html.close() | 
 |  | 
 |  | 
 | def generate_selfdocs(): | 
 |     """Generate documents for the tools in `util/` if `--doc` option exists. | 
 |  | 
 |     Each tool creates selfdoc differently. Manually invoked. | 
 |     """ | 
 |     for tool in config["selfdoc_tools"]: | 
 |         selfdoc_path = config["outdir-generated"].joinpath(tool + '.selfdoc') | 
 |         selfdoc_path.parent.mkdir(parents=True, exist_ok=True) | 
 |         with open(str(selfdoc_path), mode='w') as fout: | 
 |             if tool == "reggen": | 
 |                 reggen_selfdoc.document(fout) | 
 |             elif tool == "tlgen": | 
 |                 fout.write(tlgen.selfdoc(heading=3, cmd='tlgen.py --doc')) | 
 |  | 
 |  | 
 | def generate_pkg_reqs(): | 
 |     """Generate an apt/yum command line invocation from | 
 |     apt/yum-requirements.txt | 
 |  | 
 |     This will be saved in outdir-generated/apt_cmd.txt and | 
 |     outdir-generated/yum_cmd.txt, respectively. | 
 |     """ | 
 |  | 
 |     for pkgmgr in ["apt", "yum"]: | 
 |         # Read the apt/yum-requirements.txt | 
 |         requirements = [] | 
 |         requirements_file = open(str(SRCTREE_TOP.joinpath(pkgmgr + "-requirements.txt"))) | 
 |         for package_line in requirements_file.readlines(): | 
 |             # Ignore everything after `#` on each line, and strip whitespace | 
 |             package = package_line.split('#', 1)[0].strip() | 
 |             if package: | 
 |                 # only add non-empty lines to packages | 
 |                 requirements.append(package) | 
 |  | 
 |         cmd = "$ sudo " + pkgmgr + " install " + " ".join(requirements) | 
 |         cmd_lines = textwrap.wrap(cmd, | 
 |                                   width=78, | 
 |                                   replace_whitespace=True, | 
 |                                   subsequent_indent='    ') | 
 |         # Newlines need to be escaped | 
 |         cmd = " \\\n".join(cmd_lines) | 
 |  | 
 |         # And then to write the generated string directly to the file. | 
 |         cmd_path = config["outdir-generated"].joinpath(pkgmgr + '_cmd.txt') | 
 |         cmd_path.parent.mkdir(parents=True, exist_ok=True) | 
 |         with open(str(cmd_path), mode='w') as fout: | 
 |             fout.write(cmd) | 
 |  | 
 |  | 
 | def generate_tool_versions(): | 
 |     """Generate an tool version number requirement from tool_requirements.py | 
 |  | 
 |     The version number per tool will be saved in outdir-generated/version_$TOOL_NAME.txt | 
 |     """ | 
 |  | 
 |     # And then write a version file for every tool. | 
 |     for tool, req in TOOL_REQUIREMENTS.items(): | 
 |         version_path = config["outdir-generated"].joinpath('version_' + tool + '.txt') | 
 |         version_path.parent.mkdir(parents=True, exist_ok=True) | 
 |         with open(str(version_path), mode='w') as fout: | 
 |             fout.write(req.min_version) | 
 |  | 
 |  | 
 | def generate_dif_docs(): | 
 |     """Generate doxygen documentation and DIF listings from DIF source comments. | 
 |  | 
 |     This invokes Doxygen, and a few other things. Be careful of changing any | 
 |     paths here, some correspond to paths in other configuration files. | 
 |     """ | 
 |  | 
 |     logging.info("Generating Software API Documentation (Doxygen)...") | 
 |  | 
 |     doxygen_out_path = config["outdir-generated"].joinpath("sw") | 
 |  | 
 |     # The next two paths correspond to relative paths specified in the Doxyfile | 
 |     doxygen_xml_path = doxygen_out_path.joinpath("api-xml") | 
 |  | 
 |     # We need to prepare this path because doxygen won't `mkdir -p` | 
 |     doxygen_sw_path = doxygen_out_path.joinpath("public-api/sw/apis") | 
 |     doxygen_sw_path.mkdir(parents=True, exist_ok=True) | 
 |  | 
 |     # This is where warnings will be generated | 
 |     doxygen_warnings_path = doxygen_out_path.joinpath("doxygen_warnings.log") | 
 |     if doxygen_warnings_path.exists(): | 
 |         doxygen_warnings_path.unlink() | 
 |  | 
 |     doxygen_args = [ | 
 |         "doxygen", | 
 |         str(SRCTREE_TOP.joinpath("util/doxygen/Doxyfile")), | 
 |     ] | 
 |  | 
 |     doxygen_results = subprocess.run(  # noqa: F841 | 
 |         doxygen_args, check=True, | 
 |         cwd=str(SRCTREE_TOP), stdout=subprocess.PIPE, | 
 |         env=dict( | 
 |             os.environ, | 
 |             SRCTREE_TOP=str(SRCTREE_TOP), | 
 |             DOXYGEN_OUT=str(doxygen_out_path), | 
 |         )) | 
 |  | 
 |     logging.info("Generated Software API Documentation (Doxygen)") | 
 |  | 
 |     if doxygen_warnings_path.exists(): | 
 |         logging.warning("Doxygen Generated Warnings " | 
 |                         "(saved in {})".format(str(doxygen_warnings_path))) | 
 |  | 
 |     combined_xml = gen_dif_listing.get_combined_xml(doxygen_xml_path) | 
 |  | 
 |     dif_paths = [] | 
 |     dif_paths.extend(sorted(SRCTREE_TOP.joinpath(config["difs-directory"]).glob("dif_*.h"))) | 
 |  | 
 |     dif_listings_root_path = config["outdir-generated"].joinpath("sw/difs_listings") | 
 |     difrefs_root_path = config["outdir-generated"].joinpath("sw/difref") | 
 |  | 
 |     for dif_header_path in dif_paths: | 
 |         dif_header = str(dif_header_path.relative_to(SRCTREE_TOP)) | 
 |  | 
 |         dif_listings_filename = dif_listings_root_path.joinpath(dif_header + ".html") | 
 |         dif_listings_filename.parent.mkdir(parents=True, exist_ok=True) | 
 |  | 
 |         with open(str(dif_listings_filename), mode='w') as dif_listings_html: | 
 |             gen_dif_listing.gen_listing_html(combined_xml, dif_header, | 
 |                                              dif_listings_html) | 
 |  | 
 |         difref_functions = gen_dif_listing.get_difref_info(combined_xml, dif_header) | 
 |         for function in difref_functions: | 
 |             difref_filename = difrefs_root_path.joinpath(function["name"] + '.html') | 
 |             difref_filename.parent.mkdir(parents=True, exist_ok=True) | 
 |  | 
 |             with open(str(difref_filename), mode='w') as difref_html: | 
 |                 gen_dif_listing.gen_difref_html(function, difref_html) | 
 |  | 
 |         logging.info("Generated DIF Listing for {}".format(dif_header)) | 
 |  | 
 |  | 
 | def generate_otbn_isa(): | 
 |     '''Generate the OTBN ISA documentation fragment | 
 |  | 
 |     The result is in Markdown format and is written to | 
 |     outdir-generated/otbn-isa.md | 
 |  | 
 |     ''' | 
 |     otbn_dir = SRCTREE_TOP / 'hw/ip/otbn' | 
 |     script = otbn_dir / 'util/yaml_to_doc.py' | 
 |     yaml_file = otbn_dir / 'data/insns.yml' | 
 |     impl_file = otbn_dir / 'dv/otbnsim/sim/insn.py' | 
 |  | 
 |     out_dir = config['outdir-generated'].joinpath('otbn-isa') | 
 |     subprocess.run([str(script), str(yaml_file), str(impl_file), str(out_dir)], | 
 |                    check=True) | 
 |  | 
 |  | 
 | def hugo_match_version(hugo_bin_path, version): | 
 |     logging.info("Hugo binary path: %s", hugo_bin_path) | 
 |     args = [str(hugo_bin_path), "version"] | 
 |     process = subprocess.run(args, | 
 |                              universal_newlines=True, | 
 |                              stdout=subprocess.PIPE, | 
 |                              check=True, | 
 |                              cwd=str(SRCTREE_TOP)) | 
 |  | 
 |     logging.info("Checking for correct Hugo version: %s", version) | 
 |     # Hugo version string example: | 
 |     # "Hugo Static Site Generator v0.59.0-1DD0C69C/extended linux/amd64 BuildDate: 2019-10-21T09:45:38Z"  # noqa: E501 | 
 |     return bool(re.search("v" + version + ".*[/+]extended", process.stdout)) | 
 |  | 
 |  | 
 | def install_hugo(install_dir): | 
 |     """Download and "install" hugo into |install_dir| | 
 |  | 
 |     install_dir is created if it doesn't exist yet. | 
 |  | 
 |     Limitations: | 
 |       Currently only 64-bit x86 Linux and macOS is supported.""" | 
 |  | 
 |     # TODO: Support more configurations | 
 |     if platform.system() == 'Linux' and platform.machine() == 'x86_64': | 
 |         download_url = ('https://github.com/gohugoio/hugo/releases/download/v{version}' | 
 |                         '/hugo_extended_{version}_Linux-64bit.tar.gz').format( | 
 |                             version=HUGO_EXTENDED_VERSION) | 
 |  | 
 |     elif platform.system() == 'Darwin' and platform.machine() == 'x86_64': | 
 |         download_url = ('https://github.com/gohugoio/hugo/releases/download/v{version}' | 
 |                         '/hugo_extended_{version}_macOS-64bit.tar.gz').format( | 
 |                             version=HUGO_EXTENDED_VERSION) | 
 |  | 
 |     else: | 
 |         logging.fatal( | 
 |             "Auto-install of hugo only supported for 64-bit x86 Linux and " | 
 |             "macOS. Manually install hugo and re-run this script with --force-global.") | 
 |         return False | 
 |  | 
 |     install_dir.mkdir(exist_ok=True, parents=True) | 
 |     hugo_bin_path = install_dir / 'hugo' | 
 |  | 
 |     try: | 
 |         if hugo_match_version(hugo_bin_path, HUGO_EXTENDED_VERSION): | 
 |             return hugo_bin_path | 
 |     except PermissionError: | 
 |         # If there is an error checking the version just continue to download | 
 |         logging.info("Hugo version could not be verified. Continue to download.") | 
 |     except FileNotFoundError: | 
 |         pass | 
 |  | 
 |     # TODO: Investigate the use of Python builtins for downloading. Extracting | 
 |     # the archive will probably will be a call to tar. | 
 |     cmd = 'curl -sL {download_url} | tar -xzO hugo > {hugo_bin_file}'.format( | 
 |         hugo_bin_file=str(hugo_bin_path), download_url=download_url) | 
 |     logging.info("Calling %s to download hugo.", cmd) | 
 |     subprocess.run(cmd, shell=True, check=True, cwd=str(SRCTREE_TOP)) | 
 |     hugo_bin_path.chmod(0o755) | 
 |     return hugo_bin_path | 
 |  | 
 |  | 
 | def invoke_hugo(preview, bind_wan, hugo_opts, hugo_bin_path): | 
 |     site_docs = SRCTREE_TOP.joinpath('site', 'docs') | 
 |     config_file = str(site_docs.joinpath('config.toml')) | 
 |     layout_dir = str(site_docs.joinpath('layouts')) | 
 |     args = [ | 
 |         str(hugo_bin_path), | 
 |         "--config", | 
 |         config_file, | 
 |         "--destination", | 
 |         str(config["outdir"]), | 
 |         "--contentDir", | 
 |         str(SRCTREE_TOP), | 
 |         "--layoutDir", | 
 |         layout_dir, | 
 |     ] | 
 |     if preview: | 
 |         args += ["server"] | 
 |         # --bind-wan only applies when previewing. | 
 |         if bind_wan: | 
 |             args += ["--bind", "0.0.0.0", "--baseURL", | 
 |                      "http://" + socket.getfqdn()] | 
 |     if hugo_opts is not None: | 
 |         args += hugo_opts | 
 |  | 
 |     subprocess.run(args, check=True, cwd=str(SRCTREE_TOP)) | 
 |  | 
 |  | 
 | def main(): | 
 |     logging.basicConfig(level=logging.INFO, | 
 |                         format="%(asctime)s - %(message)s", | 
 |                         datefmt="%Y-%m-%d %H:%M") | 
 |  | 
 |     parser = argparse.ArgumentParser( | 
 |         prog="build_docs", | 
 |         formatter_class=argparse.RawDescriptionHelpFormatter, | 
 |         usage=USAGE) | 
 |     parser.add_argument( | 
 |         '--preview', | 
 |         action='store_true', | 
 |         help="""Starts a local server with live reload (updates triggered upon | 
 |              changes in the documentation files). This feature is intended | 
 |              to preview the documentation locally.""") | 
 |     parser.add_argument( | 
 |         '--bind-wan', | 
 |         action='store_true', | 
 |         help="""When previewing, bind to all interfaces (instead of just | 
 |             localhost).  This makes the documentation preview visible from | 
 |             other hosts.""") | 
 |     parser.add_argument( | 
 |         '--force-global', | 
 |         action='store_true', | 
 |         help="""Use a global installation of Hugo. This skips the version | 
 |             check and relies on Hugo to be available from the environment.""") | 
 |     parser.add_argument( | 
 |         '--hugo-opts', | 
 |         nargs=argparse.REMAINDER, | 
 |         help="""Indicates that all following arguments should be passed as | 
 |             additional options to hugo.  This may be useful for controlling | 
 |             server bindings and so forth.""") | 
 |     parser.add_argument('--hugo', help="""TODO""") | 
 |  | 
 |     args = parser.parse_args() | 
 |  | 
 |     generate_hardware_blocks() | 
 |     generate_dashboards() | 
 |     generate_testplans() | 
 |     generate_selfdocs() | 
 |     generate_pkg_reqs() | 
 |     generate_tool_versions() | 
 |     generate_dif_docs() | 
 |     generate_otbn_isa() | 
 |  | 
 |     hugo_localinstall_dir = SRCTREE_TOP / 'build' / 'docs-hugo' | 
 |     os.environ["PATH"] += os.pathsep + str(hugo_localinstall_dir) | 
 |  | 
 |     hugo_bin_path = "hugo" | 
 |     if not args.force_global: | 
 |         try: | 
 |             hugo_bin_path = install_hugo(hugo_localinstall_dir) | 
 |         except KeyboardInterrupt: | 
 |             pass | 
 |  | 
 |     try: | 
 |         invoke_hugo(args.preview, args.bind_wan, args.hugo_opts, hugo_bin_path) | 
 |     except subprocess.CalledProcessError: | 
 |         sys.exit("Error building site") | 
 |     except PermissionError: | 
 |         sys.exit("Error running Hugo") | 
 |     except KeyboardInterrupt: | 
 |         pass | 
 |  | 
 |  | 
 | if __name__ == "__main__": | 
 |     main() |