-
Notifications
You must be signed in to change notification settings - Fork 611
/
make-html.py
executable file
·285 lines (240 loc) · 9.58 KB
/
make-html.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
#!/usr/bin/env python3
# This is free and unencumbered software released into the public
# domain.
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a
# compiled binary, for any purpose, commercial or non-commercial, and
# by any means.
# In jurisdictions that recognize copyright laws, the author or
# authors of this software dedicate any and all copyright interest in
# the software to the public domain. We make this dedication for the
# benefit of the public at large and to the detriment of our heirs
# and successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to
# this software under copyright law.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
# CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
# For more information, please refer to <http://unlicense.org>
"""Create HTML files of the tutorial."""
import argparse
import os
import platform
import posixpath
import shutil
import sys
import textwrap
import webbrowser
if platform.system() == 'Windows':
python = 'py'
else:
python = 'python3'
try:
import mistune
except ImportError:
print("mistune isn't installed.", file=sys.stderr)
print("You can install it by running this command on a terminal or ")
print("command prompt:")
print()
print(" %s -m pip install mistune" % python)
sys.exit(1)
try:
import pygments.formatters
import pygments.lexers
import pygments.style
import pygments.styles
import pygments.token
except ImportError:
# we can work without pygments, but we won't get colors
pygments = None
import common
if pygments is not None:
class TutorialStyle(pygments.style.Style):
background_color = '#111111'
styles = {
pygments.token.Comment: 'italic #336666',
pygments.token.Keyword: 'bold #6699cc',
pygments.token.Name.Builtin: '#9966ff',
pygments.token.String: '#ffff33',
pygments.token.Name.Exception: 'bold #ff0000',
}
HTML_TEMPLATE = """\
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>{title}</title>
<link rel="stylesheet" type="text/css" href="{stylefile}">
</head>
<body>
{body}
</body>
</html>
"""
def mkdir_and_open(filename, mode):
"""Like open(), but make directories as needed."""
directory = os.path.dirname(filename)
os.makedirs(directory, exist_ok=True)
return open(filename, mode)
def fix_filename(filename):
renames = [('README.md', 'index.html'),
('LICENSE', 'LICENSE.txt')]
for before, after in renames:
if posixpath.basename(filename) == before:
# BEFORE -> AFTER
# some/place/BEFORE -> some/place/AFTER
return filename[:-len(before)] + after
if filename.endswith('.md'):
filename = filename[:-3] + '.html'
return filename
class TutorialRenderer(mistune.HTMLRenderer):
def __init__(self, pygments_style):
super().__init__()
self.pygments_style = pygments_style
self.title = None # will be set by header()
def header(self, text, level, raw):
"""Create a header that is also a link and a # link target."""
# "# raw"
if level == 1:
self.title = text
target = common.header_link(raw)
content = super().header(text, level, raw)
return '<a name="{0}" href="#{0}">{1}</a>'.format(target, content)
def link(self, link, title, text):
"""Return a link that points to the correct file."""
# "[text](link)"
if link.startswith('#'):
# it's like "#title", no need to do anything
pass
elif '#' in link:
# it's like "some-file#title", we need to fix some-file
before, after = link.split('#', 1)
link = fix_filename(before) + '#' + after
else:
# it's like "some-file"
link = fix_filename(link)
return super().link(link, title, text)
def block_code(self, code, lang=None):
"""Highlight Python code blocks with Pygments if it's installed."""
if lang == 'python' and pygments is not None:
# we can highlight it
if code.startswith('>>> '):
lexer = pygments.lexers.PythonConsoleLexer(python3=True)
else:
lexer = pygments.lexers.Python3Lexer()
formatter = pygments.formatters.HtmlFormatter(
style=self.pygments_style, noclasses=True)
return pygments.highlight(code, lexer, formatter)
elif lang == 'diff':
# http://stackoverflow.com/a/39413824
result = []
for line in code.split('\n'):
line = line.strip()
if not line:
continue
if line.startswith('+'):
result.append('<p><font color="green">%s</font></p>'
% line.strip('+'))
elif line.startswith('-'):
result.append('<p><font color="red">%s</font></p>'
% line.strip('-'))
else:
result.append('<p>%s</p>' % line)
return '\n'.join(result)
else:
# we can't highlight it
return super().block_code(code, lang)
def image(self, src, title, text):
"""Return an image inside a link."""
result = super().image(src, title, text)
return self.link(src, title, result)
def table(self, header, body):
"""Return a table with a border."""
result = super().table(header, body)
return result.replace('<table>', '<table border="1">', 1)
def wrap_text(text):
"""Like textwrap.fill, but respects newlines."""
result = []
for part in text.split('\n'):
result.append(textwrap.fill(part))
return '\n'.join(result)
def main():
desc = ("Create HTML files of the tutorial.\n\n"
"The files have light text on a dark background by "
"default, and you can edit html-style.css to change that.")
if pygments is not None:
desc += (
" Editing the style file doesn't change the colors of the "
"code examples, but you can use the --pygments-style "
"option. Search for 'pygments style gallery' online or see "
"https://help.farbox.com/pygments.html to get an idea of "
"what different styles look like.")
parser = argparse.ArgumentParser(
description=wrap_text(desc),
formatter_class=argparse.RawDescriptionHelpFormatter)
parser.add_argument(
'-o', '--outdir', default='html',
help="write the HTML files here, defaults to %(default)r")
if pygments is not None:
parser.add_argument(
'--pygments-style', metavar='STYLE', default=TutorialStyle,
choices=list(pygments.styles.get_all_styles()),
help=("the Pygments color style (see above), "
"defaults to a custom style"))
args = parser.parse_args()
if pygments is None:
print("Pygments isn't installed. You can install it like this:")
print()
print(" %s -m pip install pygments" % python)
print()
print("You can also continue without Pygments, but the code examples")
print("will not be colored.")
if not common.askyesno("Continue without pygments?"):
print("Interrupt.")
return
args.pygments_style = None
if os.path.exists(args.outdir):
if not common.askyesno("%s exists. Do you want to remove it?"
% args.outdir):
print("Interrupt.")
return
if os.path.isdir(args.outdir):
shutil.rmtree(args.outdir)
else:
os.remove(args.outdir)
print("Generating HTML files...")
for markdownfile in common.get_markdown_files():
fixed_file = fix_filename(markdownfile)
htmlfile = posixpath.join(args.outdir, fixed_file)
print(' %-30.30s --> %-30.30s' % (markdownfile, htmlfile), end='\r')
with open(markdownfile, 'r') as f:
markdown = f.read()
renderer = TutorialRenderer(args.pygments_style)
body = mistune.markdown(markdown, renderer=renderer)
stylefile = posixpath.relpath(
'style.css', posixpath.dirname(fixed_file))
html = HTML_TEMPLATE.format(
title=renderer.title,
body=body,
stylefile=stylefile,
)
with mkdir_and_open(htmlfile, 'w') as f:
print(html, file=f)
print()
print("Copying other files...")
shutil.copytree('images', os.path.join(args.outdir, 'images'))
shutil.copy('LICENSE', os.path.join(args.outdir, 'LICENSE.txt'))
shutil.copy('html-style.css', os.path.join(args.outdir, 'style.css'))
print("\n*********************\n")
print("Ready! The files are in %r." % args.outdir)
print("You can go there and double-click index.html to read the tutorial.")
print()
if common.askyesno("Do you want to view the tutorial now?", default=False):
print("Opening the tutorial...")
webbrowser.open(os.path.join(args.outdir, 'index.html'))
if __name__ == '__main__':
main()