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une autre manière de faire un template
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| [<!DOCTYPE html>] | |
| [<html>] | |
| for item in itemlist: | |
| [<li>{item}</li>] | |
| [</html>] | |
| [<!-- tout ce qui se trouve entre crochet est ajouté au template, le reste s'execute come code executabel standard-->] |
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| t'''<!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script>alert('hello world');</script> | |
| ''' | |
| for item in itemlist: | |
| t'<li>{item}</li>' | |
| t'</html>' | |
| t'<!-- tout ce qui se trouve entre dans t'....' est ajouté au template, le reste s'execute come code executabel standard-->' |
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| def template(s): | |
| zero_or_more(s, | |
| token) | |
| def zero_or_more(s,value): | |
| while token(s): | |
| if len(s.chars )== s.index: | |
| break | |
| pass | |
| return True | |
| def token(s): | |
| if string(s): | |
| return True | |
| if (c:=s.chars[s.index]) in " \t\r\n": | |
| p(c) | |
| s.index+=1 | |
| return True | |
| p(s.chars[s.index]) | |
| s.index+=1 | |
| return True | |
| def string(s): | |
| do(s, | |
| starts_string, | |
| string_content, | |
| ends_string | |
| ) | |
| def starts_string(s): | |
| if s.chars[s.index] == "[": | |
| p('result.append(f"') | |
| s.index+=1 | |
| return True | |
| else: | |
| return False | |
| def ends_string(s): | |
| if s.chars[s.index] == "]": | |
| p('")') | |
| s.index+=1 | |
| return True | |
| else: | |
| return False | |
| def string_content(s): | |
| while s.chars[s.index] != "]": | |
| if s.chars[s.index] == "{": | |
| p("{escape(") | |
| elif s.chars[s.index] == "}": | |
| p(")}") | |
| else: | |
| p(s.chars[s.index]) | |
| s.index+=1; | |
| return True | |
| def do(s, | |
| *args): | |
| for arg in args: | |
| if arg(s): | |
| continue | |
| else: | |
| return False | |
| return True | |
| class S: | |
| pass | |
| code="" | |
| def p(arg): | |
| global code | |
| code+=arg | |
| s=S() | |
| s.chars=""" | |
| [<!DOCTYPE html>] | |
| [<html>] | |
| for item in itemlist: | |
| [<li>{item}</li>] | |
| [</html>] | |
| """ | |
| s.index = 0 | |
| template(s) | |
| result=[] | |
| def escape(value): | |
| import html | |
| return html.escape(value) | |
| print(code) | |
| exec(code,None,{"result":result,"escape":escape,"itemlist":["A","B","C"]}) | |
| print("".join(result)) |
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