def formatted_display(TYPE, s, bg_color):
s = s[1:] # Remove newline
bg = 'background-color:' + bg_color + ';' #d8e7ff #e2edff
if TYPE == "HTML": s = s
elif TYPE == "MD": s = md2html(s)
elif TYPE == "TXT": s = '<code style="' + bg + '">' + s + '</code>'
s = ''.join(['<div ', 'style="', bg, 'padding:0.5em;">', str(s), '</div>'])
display(HTML(s))
def show_answer(excercise_tag):
TYPE, s = answers[excercise_tag]
s = s[1:] # Remove newline
if TYPE == "HTML": s = s
elif TYPE == "MD": s = md2html(s)
elif TYPE == "TXT": s = '<code style="' + bg_color + '">' + s + '</code>'
s = ''.join(
['<div ', 'style="', bg_color, 'padding:0.5em;">',
str(s), '</div>'])
display(HTML(s))
def show_answer(excercise_tag):
form, ans = answers[excercise_tag]
ans = ans[1:] # Remove newline
if form == "HTML":
source = ans
elif form == "MD":
source = md2html(ans)
elif form == "TXT":
source = '<code style="' + bg_color + '">' + ans + '</code>'
source = ''.join([
'<div ', 'style="', bg_color, 'padding:0.5em;">',
str(source), '</div>'
])
display(HTML(source))
def formatted_display(TYPE, content, bg_color):
# Remove 1st linebreak
content = content[1:]
# Convert from TYPE to HTML
if TYPE == "HTML": content = content
elif TYPE == "TXT": content = '<pre><code>' + content + '</code></pre>'
elif TYPE == "MD": content = md2html(include_macros(content))
# Make bg style
bg_color = 'background-color:' + bg_color + ';' #d8e7ff #e2edff
# Compose string
content = '<div style="' + bg_color + 'padding:0.5em;">' + str(
content) + '</div>'
# Fix Colab - MathJax incompatibility
setup_typeset()
# Display
display(HTML(content))
def convert(mdtex, extensions=[], splitParagraphs=True):
''' converts recursively the Markdown-LaTeX-mixture to HTML with MathML '''
found = False
# handle all paragraphs separately (prevents aftereffects)
if splitParagraphs:
parts = re.split("\n\n", mdtex)
result = ''
for part in parts:
result += convert(part, extensions, splitParagraphs=False)
return result
# find first $$-formula:
parts = re.split('\${2}', mdtex, 2)
if len(parts) > 1:
found = True
result = convert(parts[0], extensions, splitParagraphs=False) + '\n'
try:
result += '<div class="blockformula">' + tex2mathml(
parts[1]) + '</div>\n'
except:
result += '<div class="blockformula">' + convError + '</div>'
if len(parts) == 3:
result += convert(parts[2], extensions, splitParagraphs=False)
else:
result += '<div class="blockformula">' + incomplete + '</div>'
# else find first $-formulas:
else:
parts = re.split('\${1}', mdtex, 2)
if len(parts) > 1 and not found:
found = True
try:
mathml = tex2mathml(parts[1])
except:
mathml = convError
if parts[0].endswith('\n\n') or parts[
0] == '': # make sure textblock starts before formula!
parts[0] = parts[0] + '​'
if len(parts) == 3:
result = convert(parts[0] + mathml + parts[2],
extensions,
splitParagraphs=False)
else:
result = convert(parts[0] + mathml + incomplete,
extensions,
splitParagraphs=False)
# else find first \[..\]-equation:
else:
parts = re.split(r'\\\[', mdtex, 1)
if len(parts) > 1 and not found:
found = True
result = convert(parts[0], extensions, splitParagraphs=False) + '\n'
parts = re.split(r'\\\]', parts[1], 1)
try:
result += '<div class="blockformula">' + tex2mathml(
parts[0]) + '</div>\n'
except:
result += '<div class="blockformula">' + convError + '</div>'
if len(parts) == 2:
result += convert(parts[1], extensions, splitParagraphs=False)
else:
result += '<div class="blockformula">' + incomplete + '</div>'
# else find first \(..\)-equation:
else:
parts = re.split(r'\\\(', mdtex, 1)
if len(parts) > 1 and not found:
found = True
subp = re.split(r'\\\)', parts[1], 1)
try:
mathml = tex2mathml(subp[0])
except:
mathml = convError
if parts[0].endswith('\n\n') or parts[
0] == '': # make sure textblock starts before formula!
parts[0] = parts[0] + '​'
if len(subp) == 2:
result = convert(parts[0] + mathml + subp[1],
extensions,
splitParagraphs=False)
else:
result = convert(parts[0] + mathml + incomplete,
extensions,
splitParagraphs=False)
if not found:
# no more formulas found
result = md2html(mdtex, extensions=extensions)
return result
def convert(mdtex):
''' converts recursively the mdTeX-mixture to HTML with MathML '''
found = False
# find first $$-formula:
parts = re.split('\${2}', mdtex, 2)
if len(parts) > 1:
found = True
result = convert(parts[0]) + '\n'
try:
result += '<div class="blockformula">' + tex2mathml(
parts[1]) + '</div>\n'
except:
result += '<div class="blockformula">' + convError + '</div>'
if len(parts) == 3:
result += convert(parts[2])
else:
result += '<div class="blockformula">' + incomplete + '</div>'
# else find first $-formulas:
else:
parts = re.split('\${1}', mdtex, 2)
if len(parts) > 1 and not found:
found = True
try:
mathml = tex2mathml(parts[1])
except:
mathml = convError
if parts[0].endswith('\n\n') or parts[
0] == '': # make sure textblock starts before formula!
parts[0] = parts[0] + ' '
if len(parts) == 3:
result = convert(parts[0] + mathml + parts[2])
else:
result = convert(parts[0] + mathml + incomplete)
# else find first \[..\]-equation:
else:
parts = re.split(r'\\\[', mdtex, 1)
if len(parts) > 1 and not found:
found = True
result = convert(parts[0]) + '\n'
parts = re.split(r'\\\]', parts[1], 1)
try:
result += '<div class="blockformula">' + tex2mathml(
parts[0]) + '</div>\n'
except:
result += '<div class="blockformula">' + convError + '</div>'
if len(parts) == 2:
result += convert(parts[1])
else:
result += '<div class="blockformula">' + incomplete + '</div>'
# else find first \(..\)-equation:
else:
parts = re.split(r'\\\(', mdtex, 1)
if len(parts) > 1 and not found:
found = True
subp = re.split(r'\\\)', parts[1], 1)
try:
mathml = tex2mathml(subp[0])
except:
mathml = convError
if parts[0].endswith('\n\n') or parts[
0] == '': # make sure textblock starts before formula!
parts[0] = parts[0] + ' '
if len(subp) == 2:
result = convert(parts[0] + mathml + subp[1])
else:
result = convert(parts[0] + mathml + incomplete)
if not found:
# no more formulas found
result = md2html(mdtex)
return result
def markdown(text):
return md2html(text.replace("\n", "\n\n"))
def convert(mdtex, extensions=[], splitParagraphs=True):
''' converts recursively the Markdown-LaTeX-mixture to HTML with MathML '''
found = False
# entirely skip code-blocks:
parts = re.split('```', mdtex, 2)
if len(parts) > 1:
found = True
result = convert(parts[0], extensions, splitParagraphs=False) + '\n'
result += md2html('```' + parts[1] + '```',
extensions=extensions) + '\n'
if len(parts) == 3:
result += convert(parts[2], extensions, splitParagraphs=False)
return result
# handle all paragraphs separately (prevents follow-up rendering errors)
if splitParagraphs:
parts = re.split("\n\n", mdtex)
result = ''
for part in parts:
result += convert(part, extensions, splitParagraphs=False)
return result
# skip code-spans:
parts = re.split('`', mdtex, 2)
if len(parts) > 1:
found = True
codehtml = md2html('`' + parts[1] + '`', extensions=extensions)
codehtml = re.sub('^<[a-z]+>', '', codehtml) # remove opening tag
codehtml = re.sub('</[a-z]+>$', '', codehtml) # remove closing tag
ranString = ''.join(
random.choice(string.ascii_letters) for i in range(16))
if len(parts) == 3:
result = convert(parts[0] + 'CoDeRePlAcEmEnT' + ranString +
parts[2],
extensions,
splitParagraphs=False)
else:
result = convert(parts[0] + 'CoDeRePlAcEmEnT' + ranString,
extensions,
splitParagraphs=False)
result = result.replace('CoDeRePlAcEmEnT' + ranString, codehtml)
# find first $$-formula:
else:
parts = re.split('\${2}', mdtex, 2)
if len(parts) > 1 and not found:
found = True
result = convert(parts[0], extensions, splitParagraphs=False) + '\n'
try:
result += '<div class="blockformula">' + tex2mathml(
parts[1]) + '</div>\n'
except:
result += '<div class="blockformula">' + convError + '</div>'
if len(parts) == 3:
result += convert(parts[2], extensions, splitParagraphs=False)
else:
result += '<div class="blockformula">' + incomplete + '</div>'
# else find first $-formulas:
else:
parts = re.split('\${1}', mdtex, 2)
if len(parts) > 1 and not found:
found = True
try:
mathml = tex2mathml(parts[1])
except:
mathml = convError
if parts[0].endswith('\n\n') or parts[
0] == '': # make sure textblock starts before formula!
parts[0] = parts[0] + '​'
if len(parts) == 3:
result = convert(parts[0] + mathml + parts[2],
extensions,
splitParagraphs=False)
else:
result = convert(parts[0] + mathml + incomplete,
extensions,
splitParagraphs=False)
# else find first \[..\]-equation:
else:
parts = re.split(r'\\\[', mdtex, 1)
if len(parts) > 1 and not found:
found = True
result = convert(parts[0], extensions, splitParagraphs=False) + '\n'
parts = re.split(r'\\\]', parts[1], 1)
try:
result += '<div class="blockformula">' + tex2mathml(
parts[0]) + '</div>\n'
except:
result += '<div class="blockformula">' + convError + '</div>'
if len(parts) == 2:
result += convert(parts[1], extensions, splitParagraphs=False)
else:
result += '<div class="blockformula">' + incomplete + '</div>'
# else find first \(..\)-equation:
else:
parts = re.split(r'\\\(', mdtex, 1)
if len(parts) > 1 and not found:
found = True
subp = re.split(r'\\\)', parts[1], 1)
try:
mathml = tex2mathml(subp[0])
except:
mathml = convError
if parts[0].endswith('\n\n') or parts[
0] == '': # make sure textblock starts before formula!
parts[0] = parts[0] + '​'
if len(subp) == 2:
result = convert(parts[0] + mathml + subp[1],
extensions,
splitParagraphs=False)
else:
result = convert(parts[0] + mathml + incomplete,
extensions,
splitParagraphs=False)
if not found:
# no more formulas found
result = md2html(mdtex, extensions=extensions)
return result
