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bihan_app.py
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bihan_app.py
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import os
import ast
import sys
import json
import html
import datetime
from time import perf_counter as timer
from bihan import application
root = application.root = os.path.join(os.getcwd(), 'www')
def dump_ast(dialog):
src = dialog.request.json()['py_source'].replace('\r\n', '\n')
return ast.dump(ast.parse(src), indent=4)
def write_result(dialog):
dest_dir = os.path.join(root, 'tests')
with open(os.path.join(dest_dir, 'test_result.json'), 'w', encoding='utf-8') as out:
json.dump(dialog.request.fields, out)
return dest_dir
def time_cpython(dialog):
script = dialog.request.json()['script']
with open(os.path.join(root, 'speed', *script.split('/')),
encoding="utf-8") as f:
src = f.read()
t0 = timer()
exec(src)
dt = timer() - t0
return dt
def store_speed(dialog):
cpython_version = ".".join(str(x) for x in sys.implementation.version[:3])
infos = dialog.request.json()
results = infos['results']
print(results)
data = [
{"test": result["test"],
"description": result["description"],
"src": result["src"].replace("\r\n", "\n"),
"ratio": round(100 * (result["Brython"] / result["CPython"]))
}
for result in results]
json.dump(data, open("speed_results.json", "w", encoding="utf-8"),
indent=4)
with open("speed_results.txt", "w", encoding="utf-8") as out:
for line in data:
out.write(f'{line["description"]};{line["ratio"]}\n')
template = """<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Brython speed compared to CPython</title>
<link rel="stylesheet" href="/brython.css">
<style>
body{
padding-left: 2em;
}
td{
vertical-align: top;
padding: 3px;
}
td, th{
border-style: solid;
border-width: 0px 0px 1px 0px;
border-color: #000;
}
pre{
margin: 0px 0px 0px 5px;
}
</style>
</head>
<body>
<h2>Brython {{version}} performance compared to CPython {{cpython_version}}</h2>
User agent: {{userAgent}}
<br>{{date}}
<p>
<table>
<tr>
<th>Test</th>
<th>Brython<br>(100 = CPython)</th>
<th>Code</th>
</tr>
"""
result_path = os.path.join(root, "speed_results.html")
with open(result_path, "w", encoding="utf-8") as out:
head = template.replace("{{version}}", infos['version'])
head = head.replace("{{userAgent}}", infos['userAgent'])
head = head.replace("{{cpython_version}}", cpython_version)
print('date', datetime.date.today().strftime('%d/%m/%Y'))
now = datetime.datetime.now()
head = head.replace("{{date}}", now.strftime('%d/%m/%Y %H:%M'))
print('head', head)
out.write(head)
for record in data:
out.write(f'<tr><td>{record["description"]}</td>' +
f'<td align="right"><b>{record["ratio"]}</b></td>' +
f'<td><pre>{html.escape(record["src"])}</pre></td></tr>\n')
out.write("</table>\n</body>\n</html>")
def test_post(dialog):
return str(dialog.request.fields)
application.run(port=8000, debug=True)