added docker support and fixed bug in template engine

Dockerfile

+FROM phusion/baseimage:0.11
+
+WORKDIR /opt/app
+
+COPY . /opt/app
+
+RUN install_clean git python3 python3-pip python3-wheel python3-setuptools texlive-latex-base texlive-latex-extra lmodern
+
+RUN pip3 install -r requirements.txt
+
+RUN apt-get remove -y python3-pip
+
+ENTRYPOINT ["./docker_entry.py"]

docker_entry.py

+#!/usr/bin/env python3
+'''
+    fact_pdf_report
+    Copyright (C) 2015-2019  Fraunhofer FKIE
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+'''
+
+import json
+import shutil
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
+from pdf_generator.generator import compile_pdf, create_templates
+
+
+def get_data():
+    return json.loads(Path('/tmp', 'interface', 'data', 'analysis.json').read_text()), json.loads(Path('/tmp', 'interface', 'data', 'meta.json').read_text())
+
+
+def move_pdf_report(pdf_path):
+    shutil.move(str(pdf_path.absolute()), str(Path('/tmp', 'interface', 'pdf', pdf_path.name)))
+
+
+def main():
+    analysis, meta_data = get_data()
+
+    with TemporaryDirectory() as tmp_dir:
+        create_templates(analysis, meta_data, tmp_dir)
+        target_path = compile_pdf(meta_data, tmp_dir)
+        move_pdf_report(target_path)
+
+    return 0
+
+
+if __name__ == '__main__':
+    exit(main())

pdf_generator/generator.py

@@ -4,7 +4,7 @@ import shutil
 from pathlib import Path
 from tempfile import TemporaryDirectory
 
-from common_helper_process import execute_shell_command_get_return_code
+from common_helper_process import execute_shell_command
 from pdf_generator.pre_processing.rest import create_request_url, request_firmware_data
 from pdf_generator.tex_generation.template_engine import Engine
 
@@ -12,7 +12,7 @@ from pdf_generator.tex_generation.template_engine import Engine
 def execute_latex(tmp_dir):
     current_dir = os.getcwd()
     os.chdir(tmp_dir)
-    execute_shell_command_get_return_code('env buf_size=1000000 pdflatex main.tex')
+    execute_shell_command('env buf_size=1000000 pdflatex main.tex')
     os.chdir(current_dir)
 
 
@@ -27,13 +27,17 @@ def generate_analysis_templates(engine, analysis):
 
 
 def create_report_filename(meta_data):
-    return '{}_analysis_report.pdf'.format(meta_data['device_name'].replace(' ', '_').replace('/', '__'))
+    unsafe_name = '{}_analysis_report.pdf'.format(meta_data['device_name'])
+    safer_name = unsafe_name.replace(' ', '_').replace('/', '__')
+    return safer_name.encode('latin-1', errors='ignore').decode('latin-1')
 
 
 def compile_pdf(meta_data, tmp_dir):
     copy_fact_image(tmp_dir)
     execute_latex(tmp_dir)
-    shutil.move(str(Path(tmp_dir, 'main.pdf')), str(Path(create_report_filename(meta_data))))
+    target_path = Path(tmp_dir, create_report_filename(meta_data))
+    shutil.move(str(Path(tmp_dir, 'main.pdf')), str(target_path))
+    return target_path
 
 
 def create_templates(analysis, meta_data, tmp_dir):

pdf_generator/tex_generation/template_engine.py

@@ -49,8 +49,8 @@ def filter_latex_special_chars(data):
     latex_character_escapes['$'] = '\\$'
     latex_character_escapes['('] = '$($'
     latex_character_escapes[')'] = '$)$'
-    latex_character_escapes['['] = '$[$',
-    latex_character_escapes[']'] = '$]$',
+    latex_character_escapes['['] = '$[$'
+    latex_character_escapes[']'] = '$]$'
     latex_character_escapes['#'] = '\\#'
     latex_character_escapes['%'] = '\\%'
     latex_character_escapes['&'] = '\\&'

report.py

-#! /usr/bin/env python3
+#!/usr/bin/env python3
+'''
+    fact_pdf_report
+    Copyright (C) 2015-2019  Fraunhofer FKIE
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+'''
 
 import argparse
 import logging