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48 lines
1.3 KiB
Python
48 lines
1.3 KiB
Python
3 years ago
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#!/usr/bin/env/ python
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from sys import stdout
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from flask import Flask, Response, render_template, request
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from pagedjs import make_pdf
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from graft_a_tree import graft_a_tree
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from io import StringIO
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import sys
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import textwrap
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BASEURL = ''
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MIN_GROW_YEARS = 0
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MAX_GROW_YEARS = 25
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app = Flask(__name__)
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def wrap (text, width):
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return'\n'.join([(' \\\n').join(textwrap.wrap(line, width=width - 2)) for line in text.splitlines()])
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with open('graft_a_tree.py', 'r') as script:
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source_code = script.read()
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@app.route('{}/'.format(BASEURL))
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def index():
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return render_template('index.html', BASEURL=BASEURL)
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@app.route('{}/graft'.format(BASEURL), methods=['POST'])
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def graft():
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years = max(MIN_GROW_YEARS, min(MAX_GROW_YEARS, int(request.form['years'])))
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with StringIO() as script_stdout:
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default_stdout = sys.stdout
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sys.stdout = script_stdout
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graft_a_tree(years)
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content = script_stdout.getvalue()
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sys.stdout = default_stdout
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html = render_template('book.html', content=content, source_code=wrap(source_code, 100).replace(' ', ' ').replace('\n', '<br />'))
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# print(html)
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print('html rendered')
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pdf = make_pdf(html)
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print('made pdf')
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r = Response(pdf, mimetype='application/pdf')
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r.headers.extend({
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'Content-Disposition': 'attachment; filename="grafted-tree.pdf"'
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})
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return r
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