iframe-proxy | Sunbelt Computer Software

History

182 lines (163 loc) · 6.13 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

# Project website: https://github.com/cztomczak/cefpython

"""Create Table of contents (TOC) for a single .md file or for a directory.

Usage:

toc.py FILE

toc.py DIR

To ignore file when generating TOC, put an empty line just before H1.

"""

import os

import sys

import re

import glob

API_DIR = os.path.join(os.path.dirname(__file__), "..", "api")

def main():

"""Main entry point."""

if len(sys.argv) == 1:

sys.argv.append(API_DIR)

if (len(sys.argv) == 1 or

"-h" in sys.argv or

"--help" in sys.argv or

"/?" in sys.argv):

print(__doc__.strip())

sys.exit(0)

arg1 = sys.argv[1]

if os.path.isdir(arg1):

(modified, warnings) = toc_dir(arg1)

if modified:

print("Done")

else:

print("No changes to TOCs. Files not modified.")

else:

(modified, warnings) = toc_file(arg1)

if modified:

print("Done")

else:

print("No changes to TOC. File not modified.")

if warnings:

print("Warnings: "+str(warnings))

def toc_file(file_):

"""A single file was passed to doctoc. Return bool whether modified

and the number of warnings."""

with open(file_, "rb") as fo:

orig_contents = fo.read().decode("utf-8", "ignore")

# Fix new lines just in case. Not using Python's "rU",

# it is causing strange issues.

orig_contents = re.sub(r"(\r\n|\r|\n)", os.linesep, orig_contents)

(tocsize, contents, warnings) = create_toc(orig_contents, file_)

if contents != orig_contents:

with open(file_, "wb") as fo:

fo.write(contents.encode("utf-8"))

tocsize_str = ("TOC size: "+str(tocsize) if tocsize

else "TOC removed")

print("Modified: "+file_+" ("+tocsize_str+")")

return True, warnings

else:

return False, warnings

def toc_dir(dir_):

"""A directory was passed to doctoc. Return bool whether any file was

modified and the number of warnings."""

files = glob.glob(os.path.join(dir_, "*.md"))

modified_any = False

warnings = 0

for file_ in files:

if "API-categories.md" in file_ or "API-index.md" in file_:

continue

(modified, warnings) = toc_file(file_)

if not modified_any:

modified_any = True if modified else False

return modified_any, warnings

def create_toc(contents, file_):

"""Create or modify TOC for the document contents."""

match = re.search(r"Table of contents:%s(\s*\* \[[^\]]+\]$[^)]+$%s){2,}"

% (os.linesep, os.linesep), contents)

oldtoc = match.group(0) if match else None

(tocsize, toc, warnings) = parse_headings(contents, file_)

if oldtoc:

if not toc:

# If toc removed need to remove an additional new lines

# that was inserted after toc.

contents = contents.replace(oldtoc+os.linesep, toc)

else:

contents = contents.replace(oldtoc, toc)

elif tocsize:

# Insert after H1, but if there is text directly after H1

# then insert after that text.

first_line = False

if not re.search(r"^#\s+", contents):

print("WARNING: missing H1 on first line. Ignoring file: "+file_)

return 0, contents, warnings+1

lines = contents.splitlines()

contents = ""

toc_inserted = False

for line in lines:

if not first_line:

first_line = True

else:

if not toc_inserted and re.search(r"^(##|###)", line):

contents = contents[0:-len(os.linesep)]

contents += os.linesep + toc + os.linesep + os.linesep

toc_inserted = True

contents += line + os.linesep

# Special case for README.md - remove Quick Links toc for subheadings

re_find = (r" \* \[Docs\]$#docs$[\r\n]+"

r" \* \[API categories\]$#api-categories$[\r\n]+"

r" \* \[API index\]$#api-index$\r?\n?")

contents = re.sub(re_find, "", contents)

return tocsize, contents, warnings

def parse_headings(raw_contents, file_):

"""Parse contents looking for headings. Return a tuple with number

of TOC elements, the TOC fragment and the number of warnings."""

# Remove code blocks

parsable_contents = re.sub(r"```[\s\S]+?```", "", raw_contents)

# Parse H1,H2,H3

headings = re.findall(r"^(#|##|###)\s+(.*)", parsable_contents,

re.MULTILINE)

toc = "Table of contents:" + os.linesep

tocsize = 0

warnings = 0

count_h1 = 0

count_h2 = 0

for heading in headings:

level = heading[0]

level = (1 if level == "#" else

2 if level == "##" else

3 if level == "###" else None)

assert level is not None

title = heading[1].strip()

if level == 1:

count_h1 += 1

if count_h1 > 1:

warnings += 1

print("WARNING: found more than one H1 in "+file_)

continue

if level == 2:

count_h2 += 1

hash_ = headinghash(title)

indent = ""

if level == 3:

if count_h2:

# If there was no H2 yet then H3 shouldn't have indent.

indent = " " * 2

toc += indent + "* [%s](#%s)" % (title, hash_) + os.linesep

tocsize += 1

if tocsize <= 1:

# If there is only one H2/H3 heading do not create TOC.

toc = ""

tocsize = 0

return tocsize, toc, warnings

def headinghash(title):

"""Get a link hash for a heading H1,H2,H3."""

hash_ = title.lower()

hash_ = hash_.replace(" - ", "specialcase1")

hash_ = hash_.replace(" / ", "specialcase2")

hash_ = re.sub(r"[^a-z0-9_\- ]+", r"", hash_)

hash_ = hash_.replace(" ", "-")

hash_ = re.sub(r"[-]+", r"-", hash_)

hash_ = re.sub(r"-$", r"", hash_)

hash_ = hash_.replace("specialcase1", "---")

hash_ = hash_.replace("specialcase2", "--")

return hash_

if __name__ == "__main__":

main()

Sunbelt Computer Software

PL/B Language Development and Support

Navigation Menu

Sunbelt Computer Software

PL/B Language Development and Support

FilesExpand file tree

toc.py

Latest commit

History

toc.py

File metadata and controls