manual/build.py

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#!/usr/bin/python3
#
# Script to take the master document and ancillary files and create the
# finished manual/website.
#
# by James Hammons
# (C) 2020 Underground Software
#
# Contributors: Ed Ward
#
# Remnants (could go into the master document as the first header)
import os
import re
import shutil
import argparse
import datetime
# Global vars
global_bootstrap_path = '/bootstrap-3.3.7'
global_page_title = 'The Ardour Manual'
global_site_dir = './website/'
global_manual_url = 'http://manual.ardour.org'
global_githuburl = 'https://github.com/Ardour/manual/edit/master/include/'
global_screen_template = 'page-template.html'
global_onepage_template = 'onepage-template.html'
global_pdf_template = 'pdf-template.html'
global_master_doc = 'master-doc.txt'
global_pdflink = '<button class="btn btn-default" type="button" onclick="window.location.href=\'/manual.pdf\'"><span class="glyphicon glyphicon-book" aria-hidden="true"></span></button>'
from datetime import datetime
global_today = datetime.today().strftime('%Y-%m-%d')
# This matches all *non* letter/number, ' ', '.', '-', and '_' chars
cleanString = re.compile(r'[^a-zA-Z0-9 \._-]+')
# This matches new 'unbreakable' links, up to the closing quote or anchor
findLinks = re.compile(r'"@@[^#"]*[#"]')
#
# Create an all lowercase filename without special characters and with spaces
# replaced with dashes.
#
def MakeFilename(s):
global cleanString
# Clean up the file name, removing all non letter/number or " .-_" chars.
# Also, convert to lower case and replace all spaces with dashes.
fn = cleanString.sub('', s).lower().replace(' ', '-')
# Double dashes can creep in from the above replacement, so we check for
# that here.
fn = fn.replace('--', '-')
return fn
#
# Parse headers into a dictionary
#
def ParseHeader(fileObj):
header = {}
while (True):
hdrLine = fileObj.readline().rstrip('\r\n')
# Break out of the loop if we hit the end of header marker
if hdrLine.startswith('---'):
break
# Check to see that we have a well-formed header construct
match = re.findall(': ', hdrLine)
if match:
# Parse out foo: bar pairs & put into header dictionary
a = re.split(': ', hdrLine, 1)
header[a[0]] = a[1]
return header
#
# Turn a "part" name into an int
#
def PartToLevel(s):
lvl = {'part': 0, 'chapter': 1, 'subchapter': 2, 'section': 3, 'subsection': 4 }
if s in lvl:
return lvl[s]
return -1
#
# Converts a integer to a Roman numeral
#
def num2roman(num):
num_map = [(1000, 'M'), (900, 'CM'), (500, 'D'), (400, 'CD'), (100, 'C'), (90, 'XC'), (50, 'L'), (40, 'XL'), (10, 'X'), (9, 'IX'), (5, 'V'), (4, 'IV'), (1, 'I')]
roman = ''
while num > 0:
for i, r in num_map:
while num >= i:
roman += r
num -= i
return roman
#
# Capture the master document's structure (and content, if any) in a list
#
def GetFileStructure():
fs = []
fnames = [None] * 6
content = ''
grab = False
mf = open(global_master_doc)
for ln in mf:
if ln.startswith('---'):
# First, stuff any content that we may have read into the current
# header's dictionary
if grab:
fs[-1]['content'] = content
grab = False
content = ''
# Then, get the new header and do things to it
hdr = ParseHeader(mf)
level = PartToLevel(hdr['part'])
hdr['level'] = level
fnames[level] = MakeFilename(hdr['title'])
# Ickyness--user specified URIs
if 'uri' in hdr:
hdr['filename'] = hdr['uri']
else:
fullName = ''
for i in range(level + 1):
fullName = fullName + fnames[i] + '/'
# Strip trailing '/' on filename
hdr['filename'] = fullName[:-1]
fs.append(hdr)
if ('include' not in hdr) and (level > 0):
grab = True
else:
if grab:
content = content + ln
# Catch the last file, since it would be missed above
if grab:
fs[-1]['content'] = content
mf.close()
return fs
#
# Determine if a particular node has child nodes
#
def HaveChildren(fs, pos):
# If we're at the end of the list, there can be no children
if pos == len(fs) - 1:
return False
# If the next node is at a lower level than the current node, we have
# children.
if fs[pos]['level'] < fs[pos + 1]['level']:
return True
# Otherwise, no children at this node.
return False
#
# Get the children at this level, and return them in a list
#
def GetChildren(fs, pos):
children = []
pos = pos + 1
childLevel = fs[pos]['level']
while fs[pos]['level'] >= childLevel:
if fs[pos]['level'] == childLevel:
children.append(pos)
pos = pos + 1
# Sanity check
if pos == len(fs):
break
return children
#
# Get the parent at this level
#
def GetParent(fs, pos):
thisLevel = fs[pos]['level']
pos = pos - 1
while pos >= 0 and fs[pos]['level'] >= thisLevel:
pos = pos - 1
return pos
#
# Change the hierarchy of titles : <h1>-><hn>, <h2>-><hn+1>, so that the
# highest hyerarchy level is maxlevel
#
def remapheader(txt, maxlevel):
maxlvl=1
# find the highest hierarchy level in the content
while maxlvl < 7 and txt.find('<h' + str(maxlvl)) == -1:
maxlvl += 1
# if there is a hierarchy, remap it so that the highest level is maxlevel
if maxlvl < 7:
for i in range(6, maxlvl-1, -1):
txt = txt.replace('<h' + str(i), '<h' + str(i + maxlevel - maxlvl))
txt = txt.replace('</h' + str(i), '</h' + str(i + maxlevel - maxlvl))
return txt
#
# Creates the BreadCrumbs
#
def GetBreadCrumbs(fs, pos):
breadcrumbs = '<li class="active">'+ fs[pos]['title'] + '</li>'
while pos >= 0:
pos = GetParent(fs, pos)
if pos >= 0:
breadcrumbs='<li><a href="/' + fs[pos]['filename'] + '/">'+ fs[pos]['title'] + '</a></li>'+ breadcrumbs
breadcrumbs = '<ul class="breadcrumb"><li><a href="/toc/index.html">Home</a></li>' + breadcrumbs + '</ul>'
return breadcrumbs
#
# Make an array of children attached to each node in the file structure
# (It's a quasi-tree structure, and can be traversed as such.)
#
def FindChildren(fs):
childArray = []
for i in range(len(fs)):
if HaveChildren(fs, i):
childArray.append(GetChildren(fs, i))
else:
childArray.append([])
return childArray
#
# Make an array of the top level nodes in the file structure
#
def FindTopLevelNodes(fs):
level0 = []
for i in range(len(fs)):
if fs[i]['level'] == 0:
level0.append(i)
return level0
#
# Find all header links and create a dictionary out of them
#
def FindInternalLinks(fs):
linkDict = {}
for hdr in fs:
if 'link' in hdr:
linkDict['"@@' + hdr['link'] + '"'] = '"/' + hdr['filename'] + '/"'
linkDict['"@@' + hdr['link'] + '#'] = '"/' + hdr['filename'] + '/index.html#'
return linkDict
#
# Same as above, but create anchors (for the one-page version)
#
def FindInternalAnchors(fs):
linkDict = {}
for hdr in fs:
if 'link' in hdr:
linkDict['"@@' + hdr['link'] + '"'] = '"#' + hdr['link'] + '"'
linkDict['"@@' + hdr['link'] + '#'] = '"#' + hdr['link'] + '"'
return linkDict
#
# Internal links are of the form '@@link-name', which are references to the
# 'link:' field in the part header. We have to find all occurrences and replace
# them with the appropriate link.
#
def FixInternalLinks(links, content, title):
global findLinks
match = findLinks.findall(content)
missing = []
if len(match) > 0:
for s in match:
if s in links:
content = content.replace(s, links[s])
else:
missing.append(s)
# Report missing link targets to the user (if any)
if len(missing) > 0:
print('\nMissing link target' + ('s' if len(missing) > 1 else '') + ' in "' + title + '":')
for s in missing:
print(' ' + s)
print()
return content
#
# Recursively build a list of links based on the location of the page we're
# looking at currently
#
def BuildList(lst, fs, pagePos, cList):
content = '<ul>\n'
for i in range(len(lst)):
curPos = lst[i]
nextPos = lst[i + 1] if i + 1 < len(lst) else len(fs)
active = ' class=active' if curPos == pagePos else ''
menuTitle = fs[curPos]['menu_title'] if 'menu_title' in fs[curPos] else fs[curPos]['title']
content = content + '\t<li' + active + '><a href="/' + fs[curPos]['filename'] + '/">' + menuTitle + '</a></li>\n'
# If the current page is our page, and it has children, enumerate them
if curPos == pagePos:
if len(cList[curPos]) > 0:
content = content + BuildList(cList[curPos], fs, -1, cList)
# Otherwise, if our page lies between the current one and the next,
# build a list of links from those nodes one level down.
elif (pagePos > curPos) and (pagePos < nextPos):
content = content + BuildList(cList[curPos], fs, pagePos, cList)
content = content + '</ul>\n'
return content
#
# Builds the sidebar for the one-page version
#
def BuildOnePageSidebar(fs):
content = '\n\n<ul class="toc">\n'
lvl = 0
levelNums = [0] * 5
for i in range(len(fs)):
# Handle Part/Chapter/subchapter/section/subsection numbering
level = fs[i]['level']
if level < 2:
levelNums[2] = 0
levelNums[level] = levelNums[level] + 1;
j = level
txtlevel = ''
while j > 0: #level 0 is the part number which is not shown
txtlevel = str(levelNums[j]) + '.' + txtlevel
j = j - 1
if len(txtlevel) > 0:
txtlevel = txtlevel[:-1] + ' - '
if 'link' in fs[i]:
anchor = fs[i]['link']
else:
anchor = fs[i]['filename']
while lvl < level:
content = content + '<ul class="toc">\n'
lvl = lvl + 1
while lvl > level:
content = content + '</ul>\n'
lvl = lvl - 1
content = content + '<li><a href="#' + anchor + '">' + txtlevel + fs[i]['title'] + '</a></li>\n'
content = content + '</ul>\n'
return content
#
# Create link sidebar given a position in the list.
#
def CreateLinkSidebar(fs, pos, childList):
# Build the list recursively from the top level nodes
content = BuildList(FindTopLevelNodes(fs), fs, pos, childList)
# Shove the TOC link and one file link at the top...
active = ' class=active' if pos < 0 else ''
content = content.replace('<ul>', '<ul><li' + active + '><a href="/toc/">Table of Contents</a></li>\n', 1)
return content
# Preliminaries
# We have command line arguments now, so deal with them
parser = argparse.ArgumentParser(description='A build script for the Ardour Manual')
parser.add_argument('-v', '--verbose', action='store_true', help='Display the high-level structure of the manual')
parser.add_argument('-q', '--quiet', action='store_true', help='Suppress all output (overrides -v)')
parser.add_argument('-d', '--devmode', action='store_true', help='Add content to pages to help developers debug them')
parser.add_argument('-p', '--pdf', action='store_true', help='Automatically generate PDF from content')
args = parser.parse_args()
verbose = args.verbose
noisy = not args.quiet
devmode = args.devmode
pdf = args.pdf
# --quiet overrides --verbose, so tell it to shut up if user did both
if not noisy:
verbose = False
level = 0
fileCount = 0
levelNums = [0] * 5
lastFile = ''
page = ''
onepage = ''
pdfpage = ''
toc = ''
pageNumber = 0
if noisy and devmode:
print('Devmode active: scribbling extra junk to the manual...')
if os.access(global_site_dir, os.F_OK):
if noisy:
print('Removing stale HTML data...')
shutil.rmtree(global_site_dir)
shutil.copytree('./source', global_site_dir)
# Read the template, and fix the stuff that's fixed for all pages
temp = open(global_screen_template)
template = temp.read()
temp.close()
template = template.replace('{{page.bootstrap_path}}', global_bootstrap_path)
template = template.replace('{{page.page_title}}', global_page_title)
if pdf:
template = template.replace('{{page.page_pdflink}}', global_pdflink)
else:
template = template.replace('{{page.page_pdflink}}', '')
# Same as above, but for the "One-Page" version
temp = open(global_onepage_template)
onepage = temp.read()
temp.close()
onepage = onepage.replace('{{page.bootstrap_path}}', global_bootstrap_path)
onepage = onepage.replace('{{page.page_title}}', global_page_title)
if pdf:
# Same as above, but for the PDF version
temp = open(global_pdf_template)
pdfpage = temp.read()
temp.close()
pdfpage = pdfpage.replace('{{page.page_title}}', global_page_title)
# Parse out the master document's structure into a dictionary list
fileStruct = GetFileStructure()
# Build a quasi-tree structure listing children at level + 1 for each node
nodeChildren = FindChildren(fileStruct)
# Create a dictionary for translation of internal links to real links
links = FindInternalLinks(fileStruct)
oplinks = FindInternalAnchors(fileStruct)
if noisy:
print('Found ' + str(len(links)) + ' internal link target', end='')
print('.') if len(links) == 1 else print('s.')
if noisy:
master = open(global_master_doc)
firstLine = master.readline().rstrip('\r\n')
master.close()
if firstLine == '<!-- exploded -->':
print('Parsing exploded file...')
elif firstLine == '<!-- imploded -->':
print('Parsing imploded file...')
else:
print('Parsing unknown type...')
# Here we go!
for header in fileStruct:
fileCount = fileCount + 1
content = ''
more = ''
lastLevel = level
level = header['level']
# Handle Part/Chapter/subchapter/section/subsection numbering
if level < 2:
levelNums[2] = 0
levelNums[level] = levelNums[level] + 1;
# This is totally unnecessary, but nice; besides which, you can capture
# the output to a file to look at later if you like :-)
if verbose:
for i in range(level):
print('\t', end='')
if (level == 0):
print('\nPart ' + num2roman(levelNums[0]) + ': ', end='')
elif (level == 1):
print('\n\tChapter ' + str(levelNums[1]) + ': ', end='')
print(header['title'])
# Handle TOC scriblings...
if level == 0:
toc = toc + '<h2>Part ' + num2roman(levelNums[level]) + ': ' + header['title'] + '</h2>\n';
elif level == 1:
toc = toc + '\t<p class="chapter">Ch. ' + str(levelNums[level]) + ':&nbsp;&nbsp;<a href="/' + header['filename'] + '/">' + header['title'] + '</a></p>\n'
elif level == 2:
toc = toc + '\t\t<p class="subchapter"><a href="/' + header['filename'] + '/">' + header['title'] + '</a></p>\n'
elif level == 3:
toc = toc + '<p class="section"><a href="/' + header['filename'] + '/">' + header['title'] + '</a></p>\n'
elif level == 4:
toc = toc + '<p class="subsection"><a href="/' + header['filename'] + '/">' + header['title'] + '</a></p>\n'
# Make the 'this thing contains...' stuff
if HaveChildren(fileStruct, pageNumber):
pages = GetChildren(fileStruct, pageNumber)
for pg in pages:
more = more + '<li>' + '<a href="/' + fileStruct[pg]['filename'] + '/">' + fileStruct[pg]['title'] + '</a>' + '</li>\n'
more = '<div id=subtopics>\n' + '<h2>This section contains the following topics:</h2>\n' + '<ul>\n' + more + '</ul>\n' + '</div>\n'
parent = GetParent(fileStruct, pageNumber)
# Make the 'Previous', 'Up' & 'Next' content
nLink = ''
pLink = ''
uLink = ''
if pageNumber > 0:
pLink = '<li class="previous"><a title="' + fileStruct[pageNumber - 1]['title'] + '" href="/' + fileStruct[pageNumber - 1]['filename'] + '/" class="previous"> &larr; Previous </a></li>'
if pageNumber < len(fileStruct) - 1:
nLink = '<li class="next"><a title="' + fileStruct[pageNumber + 1]['title'] + '" href="/' + fileStruct[pageNumber + 1]['filename'] + '/" class="next"> Next &rarr; </a></li>'
if level > 0:
uLink = '<li><a title="' + fileStruct[parent]['title'] + '" href="/' + fileStruct[parent]['filename'] + '/" class="active"> &uarr; Up </a></li>'
else:
uLink = '<li><a title="Ardour Table of Contents" href="/toc/index.html" class="active"> &uarr; Up </a></li>'
prevnext = '<ul class="pager">' + pLink + uLink + nLink + '</ul>'
# Make the BreadCrumbs
breadcrumbs = GetBreadCrumbs(fileStruct, pageNumber)
# Create the link sidebar
sidebar = CreateLinkSidebar(fileStruct, pageNumber, nodeChildren)
# Parts DO NOT have any content, they are ONLY an organizing construct!
# Chapters, subchapters, sections & subsections can all have content,
# but the basic fundamental organizing unit WRT content is still the
# chapter.
githubedit = ''
if level > 0:
if 'include' in header:
srcFile = open('include/' + header['include'])
githubedit = '<span style="float:right;"><a title="Edit in GitHub" href="' + global_githuburl + header['include'] + '"><img src="/images/github.png" alt="Edit in GitHub"/></a></span>'
content = srcFile.read()
srcFile.close()
# Get rid of any extant header in the include file
# (once this is accepted, we can nuke this bit, as content files
# will not have any headers or footers in them)
content = re.sub('---.*\n(.*\n)*---.*\n', '', content)
content = content.replace('{% children %}', '')
else:
if 'content' in header:
content = header['content']
else:
content = '[something went wrong]'
# Add header information to the page if in dev mode
if devmode:
devnote ='<aside style="background-color:indigo; color:white;">'
if 'filename' in header:
devnote = devnote + 'filename: ' + header['filename'] + '<br>'
if 'include' in header:
devnote = devnote + 'include: ' + header['include'] + '<br>'
if 'link' in header:
devnote = devnote + 'link: ' + header['link'] + '<br>'
content = devnote + '</aside>' + content
# ----- One page and PDF version -----
# Fix up any internal links
opcontent = FixInternalLinks(oplinks, content, header['title'])
opcontent = remapheader(opcontent, level+2)
# Create "one page" header
oph = '<h' + str(level+1) + ' class="clear" id="' + header[('link' if 'link' in header else 'filename')] +'">' + header['title'] + '</h' + str(level+1) + '>\n';
# Set up the actual page from the template
onepage = onepage.replace('{{ content }}', oph + '\n' + opcontent + '\n{{ content }}')
if pdf:
if not 'pdf-exclude' in header:
pdfpage = pdfpage.replace('{{ content }}', oph + '\n' + opcontent + '\n{{ content }}')
else:
pdfpage = pdfpage.replace('{{ content }}', oph + '\n' + 'Please refer to the <a href="' + global_manual_url + '/' + header['filename'] + '/">online manual</a>.\n{{ content }}')
# ----- Normal version -----
# Fix up any internal links
content = FixInternalLinks(links, content, header['title'])
# Set up the actual page from the template
if 'style' not in header:
page = re.sub("{% if page.style %}.*\n.*\n{% endif %}.*\n", "", template)
else:
page = template.replace('{{page.style}}', header['style'])
page = page.replace('{% if page.style %}', '')
page = page.replace('{% endif %}', '')
page = page.replace('{{ page.title }}', header['title'])
page = page.replace('{% tree %}', sidebar)
page = page.replace('{% prevnext %}', prevnext)
page = page.replace('{% githubedit %}', githubedit)
page = page.replace('{% breadcrumbs %}', breadcrumbs)
page = page.replace('{{ content }}', content + more)
# Create the directory for the index.html file to go into (we use makedirs,
# because we have to in order to accomodate the 'uri' keyword)
os.makedirs(global_site_dir + header['filename'], 0o775, exist_ok=True)
# Finally, write the file!
destFile = open(global_site_dir + header['filename'] + '/index.html', 'w')
destFile.write(page)
destFile.close()
# Save filename for next header...
lastFile = header['filename']
pageNumber = pageNumber + 1
# Finally, create the TOC
sidebar = CreateLinkSidebar(fileStruct, -1, nodeChildren)
page = re.sub("{% if page.style %}.*\n.*\n{% endif %}.*\n", "", template)
page = page.replace('{{ page.title }}', 'Ardour Table of Contents')
page = page.replace('{% tree %}', sidebar)
page = page.replace('{{ content }}', toc)
page = page.replace('{% prevnext %}', '')
page = page.replace('{% githubedit %}', '')
page = page.replace('{% breadcrumbs %}', '')
os.mkdir(global_site_dir + 'toc', 0o775)
tocFile = open(global_site_dir + 'toc/index.html', 'w')
tocFile.write(page)
tocFile.close()
# Create the one-page version of the documentation
onepageFile = open(global_site_dir + 'ardourmanual.html', 'w')
opsidebar = BuildOnePageSidebar(fileStruct) # create the link sidebar
onepage = onepage.replace('{% tree %}', opsidebar)
onepage = onepage.replace('{{ content }}', '') # cleans up the last spaceholder
onepageFile.write(onepage)
onepageFile.close()
if pdf:
if noisy:
print('Generating the PDF...')
import logging
logger = logging.getLogger('weasyprint')
logger.addHandler(logging.StreamHandler())
# Create the PDF version of the documentation
pdfpage = pdfpage.replace('{% tree %}', opsidebar) # create the TOC
pdfpage = pdfpage.replace('{{ content }}', '') # cleans up the last spaceholder
pdfpage = pdfpage.replace('{{ today }}', global_today)
pdfpage = pdfpage.replace('src="/images/', 'src="images/') # makes images links relative
pdfpage = pdfpage.replace('url(\'/images/', 'url(\'images/') # CSS images links relative
# Write it to disk (optional, can be removed)
pdfpageFile = open(global_site_dir + 'pdf.html', 'w')
pdfpageFile.write(pdfpage)
pdfpageFile.close()
# Generating the actual PDF with weasyprint (https://weasyprint.org/)
from weasyprint import HTML
from weasyprint.fonts import FontConfiguration
html_font_config = FontConfiguration()
doc = HTML(string = pdfpage, base_url = global_site_dir)
doc.write_pdf(global_site_dir + 'manual.pdf', font_config = html_font_config)
if noisy:
print('Processed ' + str(fileCount) + ' files.')