Python open and read file Anyone help me understand the meathod onePDF in the class routs step by step, also can anyone help me write

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Python open and read file

Anyone help me understand the meathod onePDF in the class routs step by step, also can anyone help me write a couples tests cases for the meathod

@bp.route('//onePDF') def onePDF(url): outfile = open("content/workmd/testfile.md", "w") for filename in os.listdir('content/'): if filename.endswith(".md"): f = open('content/' + filename, 'r') outfile.write(f.read()) outfile.write(' ') outfile.close() pypandoc.convert('content/workmd/testfile.md', 'pdf', outputfile='content/createdpdfs/fullWiki.pdf', extra_args=['-V geometry:margin=1.5cm']) return send_file('../../content/createdpdfs/fullWiki.pdf')

Class routes:

""" Routes ~~~~~~ """ import os from flask import send_file import pypandoc as pypandoc from flask import Blueprint from flask import flash from flask import redirect from flask import render_template from flask import request from flask import url_for from flask_login import current_user from flask_login import login_required from flask_login import login_user from flask_login import logout_user

from wiki.core import Processor from wiki.web.forms import EditorForm from wiki.web.forms import LoginForm from wiki.web.forms import SearchForm from wiki.web.forms import URLForm from wiki.web import current_wiki from wiki.web import current_users from wiki.web.user import protect

bp = Blueprint('wiki', __name__)

@bp.route('/') @protect def home(): page = current_wiki.get('home') if page: return display('home') return render_template('home.html')

@bp.route('/index/') @protect def index(): pages = current_wiki.index() return render_template('index.html', pages=pages)

@bp.route('//') @protect def display(url): page = current_wiki.get_or_404(url) return render_template('page.html', page=page)

@bp.route('/create/', methods=['GET', 'POST']) @protect def create(): form = URLForm() if form.validate_on_submit(): return redirect(url_for( 'wiki.edit', url=form.clean_url(form.url.data))) return render_template('create.html', form=form)

@bp.route('/edit//', methods=['GET', 'POST']) @protect def edit(url): page = current_wiki.get(url) form = EditorForm(obj=page) if form.validate_on_submit(): if not page: page = current_wiki.get_bare(url) form.populate_obj(page) page.save() flash('"%s" was saved.' % page.title, 'success') return redirect(url_for('wiki.display', url=url)) return render_template('editor.html', form=form, page=page)

@bp.route('/preview/', methods=['POST']) @protect def preview(): data = {} processor = Processor(request.form['body']) data['html'], data['body'], data['meta'] = processor.process() return data['html']

@bp.route('/move//', methods=['GET', 'POST']) @protect def move(url): page = current_wiki.get_or_404(url) form = URLForm(obj=page) if form.validate_on_submit(): newurl = form.url.data current_wiki.move(url, newurl) return redirect(url_for('wiki.display', url=newurl)) return render_template('move.html', form=form, page=page)

@bp.route('/delete//') @protect def delete(url): page = current_wiki.get_or_404(url) current_wiki.delete(url) flash('Page "%s" was deleted.' % page.title, 'success') return redirect(url_for('wiki.home'))

@bp.route('/tags/') @protect def tags(): tags = current_wiki.get_tags() return render_template('tags.html', tags=tags)

@bp.route('/tag//') @protect def tag(name): tagged = current_wiki.index_by_tag(name) return render_template('tag.html', pages=tagged, tag=name)

@bp.route('//onePDF') def onePDF(url): outfile = open("content/workmd/testfile.md", "w") for filename in os.listdir('content/'): if filename.endswith(".md"): f = open('content/' + filename, 'r') outfile.write(f.read()) outfile.write(' ') outfile.close() pypandoc.convert('content/workmd/testfile.md', 'pdf', outputfile='content/createdpdfs/fullWiki.pdf', extra_args=['-V geometry:margin=1.5cm']) return send_file('../../content/createdpdfs/fullWiki.pdf')

@bp.route('//toodt/') def convertODT(url): pypandoc.convert('content/' + url + '.md', 'odt', outputfile='content/createdodts/' + url + '.odt', extra_args=['-V geometry:margin=1.5cm']) return send_file('../../content/createdodts/' + url + '.odt')

@bp.route('//topdf/') def convertPDF(url): pypandoc.convert('content/' + url + '.md', 'pdf', outputfile='content/createdpdfs/' + url + '.pdf', extra_args=['-V geometry:margin=1.5cm']) return send_file('../../content/createdpdfs/' + url + '.pdf')

@bp.route('/search/', methods=['GET', 'POST']) @protect def search(): form = SearchForm() if form.validate_on_submit(): results = current_wiki.search(form.term.data, form.ignore_case.data) return render_template('search.html', form=form, results=results, search=form.term.data) return render_template('search.html', form=form, search=None)

@bp.route('/user/login/', methods=['GET', 'POST']) def user_login(): form = LoginForm() if form.validate_on_submit(): user = current_users.get_user(form.name.data) login_user(user) user.set('authenticated', True) flash('Login successful.', 'success') return redirect(request.args.get("next") or url_for('wiki.index')) return render_template('login.html', form=form)

@bp.route('/user/logout/') @login_required def user_logout(): current_user.set('authenticated', False) logout_user() flash('Logout successful.', 'success') return redirect(url_for('wiki.index'))

@bp.route('/user/') def user_index(): pass

@bp.route('/user/create/') def user_create(): pass

@bp.route('/user//') def user_admin(user_id): pass

@bp.route('/user/delete//') def user_delete(user_id): pass

""" Error Handlers ~~~~~~~~~~~~~~ """

@bp.errorhandler(404) def page_not_found(error): return render_template('404.html'), 404