lbry-sdk/scripts/gen_docs.py

197 lines
6.9 KiB
Python

# -*- coding: utf-8 -*-
# Generate docs: python gen_api_docs.py
# See docs: pip install mkdocs; mkdocs serve
# Push docs: mkdocs build
import re
import inspect
import subprocess
import os
from lbrynet.daemon.Daemon import Daemon
try:
import mkdocs
except ImportError:
raise ImportError("mkdocs is not installed")
try:
from tabulate import tabulate
except ImportError:
raise ImportError("tabulate is not installed")
INDENT = " "
REQD_CMD_REGEX = r"\(.*?=<(?P<reqd>.*?)>\)"
OPT_CMD_REGEX = r"\[.*?=<(?P<opt>.*?)>\]"
CMD_REGEX = r"--.*?(?P<cmd>.*?)[=,\s,<]"
DOCS_DIR = "docs_build"
def _cli_tabulate_options(_options_docstr, method):
_option_list = []
for line in _options_docstr.splitlines():
if (line.strip().startswith("--")):
# separates command name and description
parts = line.split(":", 1)
# separates command type(in brackets) and description
new_parts = parts[1].lstrip().split(" ", 1)
else:
parts = [line]
# len will be 2 when there's cmd name and description
if len(parts) == 2:
_option_list.append([parts[0], ":", new_parts[0], new_parts[1]])
# len will be 1 when there's continuation of multiline description in the next line
# check `blob_announce`'s `stream_hash` command
elif len(parts) == 1:
_option_list.append([None, None, None, parts[0]])
else:
print "Error: Ill formatted doc string for {}".format(method)
print "Error causing line: {}".format(line)
# tabulate to make the options look pretty
_options_docstr_no_indent = tabulate(_option_list, missingval="", tablefmt="plain")
# Indent the options properly
_options_docstr = ""
for line in _options_docstr_no_indent.splitlines():
_options_docstr += INDENT + line + '\n'
return _options_docstr
def _api_tabulate_options(_options_docstr, method, reqd_matches, opt_matches):
_option_list = []
for line in _options_docstr.splitlines():
if (line.strip().startswith("--")):
# separates command name and description
parts = line.split(":", 1)
# checks whether the command is optional or required
# and remove the cli type formatting and convert to
# api style formatitng
match = re.findall(CMD_REGEX, parts[0])
if match[0] not in reqd_matches:
parts[0] = "'" + match[0] + "'"
else:
parts[0] = "'" + match[0] + "' (required)"
# separates command type(in brackets) and description
new_parts = parts[1].lstrip().split(" ", 1)
else:
parts = [line]
# len will be 2 when there's cmd name and description
if len(parts) == 2:
_option_list.append([parts[0], ":", new_parts[0], new_parts[1]])
# len will be 1 when there's continuation of multiline description in the next line
# check `blob_announce`'s `stream_hash` command
elif len(parts) == 1:
_option_list.append([None, None, None, parts[0]])
else:
print "Error: Ill formatted doc string for {}".format(method)
print "Error causing line: {}".format(line)
# tabulate to make the options look pretty
_options_docstr_no_indent = tabulate(_option_list, missingval="", tablefmt="plain")
# tabulate to make the options look pretty
_options_docstr = ""
for line in _options_docstr_no_indent.splitlines():
_options_docstr += INDENT + line + '\n'
return _options_docstr
def _cli_doc(obj):
docstr = (inspect.getdoc(obj) or '').strip()
try:
_usage_docstr, _docstr_after_options = docstr.split("Options:", 1)
_options_docstr, _returns_docstr = _docstr_after_options.split("Returns:", 1)
except(ValueError):
print "Error: Ill formatted doc string for {}".format(obj)
print "Please ensure that the docstring has all the three headings i.e. \"Usage:\""
print "\"Options:\" and \"Returns:\" exactly as specified, including the colon"
return "Error!"
try:
_options_docstr = _cli_tabulate_options(_options_docstr.strip(), obj)
except Exception as e:
print "Please make sure that the individual options are properly formatted"
print "It should be strictly of the format:"
print "--command_name=<command_name> : (type) desc"
print e.message
docstr = _usage_docstr + \
"\nOptions:\n" + \
_options_docstr + \
"\nReturns:" + \
_returns_docstr
return docstr
def _api_doc(obj):
docstr = (inspect.getdoc(obj) or '').strip()
try:
_desc, _docstr_after_desc = docstr.split("Usage:", 1)
_usage_docstr, _docstr_after_options = _docstr_after_desc.split("Options:", 1)
_options_docstr, _returns_docstr = _docstr_after_options.split("Returns:", 1)
except(ValueError):
print "Error: Ill formatted doc string for {}".format(obj)
print "Please ensure that the docstring has all the three headings i.e. \"Usage:\""
print "\"Options:\" and \"Returns:\" exactly as specified, including the colon"
return "Error!"
opt_matches = re.findall(OPT_CMD_REGEX, _usage_docstr)
reqd_matches = re.findall(REQD_CMD_REGEX, _usage_docstr)
try:
_options_docstr = _api_tabulate_options(_options_docstr.strip(), obj, reqd_matches, opt_matches)
except Exception as e:
print "Please make sure that the individual options are properly formatted"
print "It should be strictly of the format:"
print "--command_name=<command_name> : (type) desc"
print e.message
docstr = _desc + \
"Args:\n" + \
_options_docstr + \
"\nReturns:" + \
_returns_docstr
return docstr
def main():
curdir = os.path.dirname(os.path.realpath(__file__))
api_doc_path = os.path.realpath(os.path.join(curdir, '..', DOCS_DIR, 'index.md'))
cli_doc_path = os.path.realpath(os.path.join(curdir, '..', DOCS_DIR, 'cli.md'))
_api_docs = ''
_cli_docs = ''
for method_name in sorted(Daemon.callable_methods.keys()):
method = Daemon.callable_methods[method_name]
_api_docs += '## ' + method_name + "\n\n```text\n" + _api_doc(method) + "\n```\n\n"
_cli_docs += '## ' + method_name + "\n\n```text\n" + _cli_doc(method) + "\n```\n\n"
_api_docs = "# LBRY JSON-RPC API Documentation\n\n" + _api_docs
with open(api_doc_path, 'w+') as f:
f.write(_api_docs)
_cli_docs = "# LBRY JSON-RPC API Documentation\n\n" + _cli_docs
with open(cli_doc_path, 'w+') as f:
f.write(_cli_docs)
if __name__ == '__main__':
cwd = os.path.dirname(os.path.realpath(__file__))
cwd = os.path.realpath(os.path.join(cwd, ".."))
directory = os.path.join(cwd, "docs_build")
if not os.path.exists(directory):
os.makedirs(directory)
proc = subprocess.Popen("exec mkdocs build", cwd=cwd, shell=True)
proc.kill()