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Merge branch 'fix-3.2.1'
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commit
811f10dada
10 changed files with 155 additions and 1 deletions
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## v3.2.1
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* Le module django_tex est directement inclu dans le projet (disparition du module sur pip)
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## v3.2.0
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* Ajout d'icônes (avec font awesome)
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* Amélioration du diagramme sur le profil (couleurs, valeur pour les fromages et charcuts, seuil des 1%)
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0
django_tex/__init__.py
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0
django_tex/__init__.py
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40
django_tex/core.py
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django_tex/core.py
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import os
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from subprocess import PIPE, run
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import tempfile
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from django.template.loader import get_template
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from django_tex.exceptions import TexError
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from django.conf import settings
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DEFAULT_INTERPRETER = 'lualatex'
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def run_tex(source):
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with tempfile.TemporaryDirectory() as tempdir:
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filename = os.path.join(tempdir, 'texput.tex')
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with open(filename, 'x', encoding='utf-8') as f:
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f.write(source)
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latex_interpreter = getattr(settings, 'LATEX_INTERPRETER', DEFAULT_INTERPRETER)
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latex_command = f'cd "{tempdir}" && {latex_interpreter} -interaction=batchmode {os.path.basename(filename)}'
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process = run(latex_command, shell=True, stdout=PIPE, stderr=PIPE)
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try:
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if process.returncode == 1:
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with open(os.path.join(tempdir, 'texput.log'), encoding='utf8') as f:
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log = f.read()
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raise TexError(log=log, source=source)
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with open(os.path.join(tempdir, 'texput.pdf'), 'rb') as pdf_file:
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pdf = pdf_file.read()
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except FileNotFoundError:
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if process.stderr:
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raise Exception(process.stderr.decode('utf-8'))
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raise
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return pdf
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def compile_template_to_pdf(template_name, context):
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source = render_template_with_context(template_name, context)
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return run_tex(source)
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def render_template_with_context(template_name, context):
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template = get_template(template_name, using='tex')
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return template.render(context)
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11
django_tex/engine.py
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django_tex/engine.py
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from django.template.backends.jinja2 import Jinja2
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class TeXEngine(Jinja2):
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app_dirname = 'templates'
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def __init__(self, params):
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default_environment = 'django_tex.environment.environment'
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if 'environment' not in params['OPTIONS'] or not params['OPTIONS']['environment']:
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params['OPTIONS']['environment'] = default_environment
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super().__init__(params)
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django_tex/environment.py
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django_tex/environment.py
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from jinja2 import Environment
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from django.template.defaultfilters import register
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from django_tex.filters import FILTERS as tex_specific_filters
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# Django's built-in filters ...
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filters = register.filters
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# ... updated with tex specific filters
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filters.update(tex_specific_filters)
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def environment(**options):
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env = Environment(**options)
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env.filters = filters
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return env
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django_tex/exceptions.py
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django_tex/exceptions.py
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import re
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def prettify_message(message):
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'''
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Helper methods that removes consecutive whitespaces and newline characters
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'''
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# Replace consecutive whitespaces with a single whitespace
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message = re.sub(r'[ ]{2,}', ' ', message)
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# Replace consecutive newline characters, optionally separated by whitespace, with a single newline
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message = re.sub(r'([\r\n][ \t]*)+', '\n', message)
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return message
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def tokenizer(code):
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token_specification = [
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('ERROR', r'\! (?:.+[\r\n])+[\r\n]+'),
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('WARNING', r'latex warning.*'),
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('NOFILE', r'no file.*')
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]
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token_regex = '|'.join('(?P<{}>{})'.format(label, regex) for label, regex in token_specification)
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for m in re.finditer(token_regex, code, re.IGNORECASE):
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token_dict = dict(type=m.lastgroup, message=prettify_message(m.group()))
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yield token_dict
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class TexError(Exception):
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def __init__(self, log, source):
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self.log = log
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self.source = source
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self.tokens = list(tokenizer(self.log))
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self.message = self.get_message()
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def get_message(self):
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for token in self.tokens:
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if token['type'] == 'ERROR':
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return token['message']
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return 'No error message found in log'
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def __str__(self):
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return self.message
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django_tex/filters.py
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django_tex/filters.py
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from django.utils.formats import localize_input
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def do_linebreaks(value):
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return value.replace('\n', '\\\\\n')
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FILTERS = {
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'localize': localize_input,
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'linebreaks': do_linebreaks
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}
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django_tex/models.py
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django_tex/models.py
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from django.db import models
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from django.core.exceptions import ValidationError
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from django.template import TemplateDoesNotExist
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from django.utils.translation import ugettext_lazy as _
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from django.template.loader import get_template
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def validate_template_path(name):
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try:
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get_template(name, using='tex')
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except TemplateDoesNotExist:
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raise ValidationError(_('Template not found.'))
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class TeXTemplateFile(models.Model):
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title = models.CharField(max_length=255)
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name = models.CharField(max_length=255, validators=[validate_template_path,])
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class Meta:
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abstract = True
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django_tex/views.py
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django_tex/views.py
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from django.http import HttpResponse
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from django_tex.core import compile_template_to_pdf
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class PDFResponse(HttpResponse):
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def __init__(self, content, filename=None):
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super(PDFResponse, self).__init__(content_type='application/pdf')
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self['Content-Disposition'] = 'filename="{}"'.format(filename)
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self.write(content)
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def render_to_pdf(request, template_name, context=None, filename=None):
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# Request is not needed and only included to make the signature conform to django's render function
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pdf = compile_template_to_pdf(template_name, context)
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return PDFResponse(pdf, filename=filename)
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@ -39,6 +39,6 @@
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<li><a href="https://www.facebook.com/coopesmetz/" class="icon fa-facebook alt"><span class="label">Facebook</span></a></li>
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</ul>
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</section>
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<p class="copyright">coope.rez v3.2.0 (release stable) © 2018 Yoann Pietri.</p>
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<p class="copyright">coope.rez v3.2.1 (release stable) © 2018 Yoann Pietri.</p>
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