ayankumar/SDLC-Assistant-MultiAgent
0
1 <style>2 #agent-output {font-family: "Segoe UI", sans-serif; color: #333; }3 4 #agent-output table {width: 100%; border-collapse: collapse; margin-top: 1rem;}5 #agent-output th, 6 #agent-output td {border-top: 1px solid #ccc; border-bottom: 1px solid #ccc; border-left: none; border-right: none; padding: 10px; text-align: left;}7 #agent-output tr:nth-child(even) {background-color: #f9f9f9;}8 #agent-output tr:hover {background-color: #e6f7ff; }9 #agent-output th {background-color: #111; color: white;}10 11 #agent-output h1, 12 #agent-output h2,13 #agent-output h3 { border-bottom: 2px solid #ddd; padding-bottom: 6px; margin-top: 1.5rem; color: #111; }14 #agent-output ul { padding-left: 1.5rem; margin-bottom: 1rem; list-style-type: disc;}15 #agent-output ul li { margin-bottom: 8px; padding-left: 0.5rem; border-left: 3px; background-color: #f7faff; border-radius: 4px; transition: background-color 0.3s ease; }16 #agent-output ul li:hover { background-color: #e6f2ff;}17 #agent-output ol {padding-left: 1.5rem; margin-bottom: 1rem; list-style-type: decimal; counter-reset: item;}18 #agent-output ol li {margin-bottom: 8px; padding-left: 0.5rem; position: relative; background-color: #fffdf7; border-left: 3px; border-radius: 4px; transition: background-color 0.3s ease;}19 #agent-output ol li:hover { background-color: #fff3e0; }20 #agent-output p { font-size: 1rem; line-height: 1.7; margin-bottom: 1.2rem; padding: 0.5rem 0.75rem; border-left: 4px;}21 #agent-output pre { background-color: #f4f4f4; padding: 10px; border-radius: 6px; overflow-x: auto; }22 </style> 23<div id="agent-output"><h1>Code Agent Output</h1>24<h2>High-Resolution Visualization Export - Backend Core Logic</h2>25<p>This document outlines the backend implementation for the high-resolution visualization export feature. We prioritize clarity, modularity, and testability.</p>26<p><strong>1. Actual Code Implementation (Python with Flask)</strong></p>27<div class="codehilite"><pre><span></span><code><span class="kn">import</span><span class="w"> </span><span class="nn">io</span>28<span class="kn">import</span><span class="w"> </span><span class="nn">base64</span>29<span class="kn">from</span><span class="w"> </span><span class="nn">flask</span><span class="w"> </span><span class="kn">import</span> <span class="n">Flask</span><span class="p">,</span> <span class="n">request</span><span class="p">,</span> <span class="n">jsonify</span>30<span class="kn">from</span><span class="w"> </span><span class="nn">matplotlib.backends.backend_agg</span><span class="w"> </span><span class="kn">import</span> <span class="n">FigureCanvasAgg</span> <span class="k">as</span> <span class="n">FigureCanvas</span>31<span class="kn">from</span><span class="w"> </span><span class="nn">matplotlib.figure</span><span class="w"> </span><span class="kn">import</span> <span class="n">Figure</span>32<span class="kn">import</span><span class="w"> </span><span class="nn">matplotlib.pyplot</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">plt</span> <span class="c1"># Only for example plots, replace with your actual plotting library</span>33<span class="c1">#import pandas as pd # Only if you're using pandas for data manipulation</span>34 35 36<span class="n">app</span> <span class="o">=</span> <span class="n">Flask</span><span class="p">(</span><span class="vm">__name__</span><span class="p">)</span>37 38<span class="c1"># Replace this with your actual data fetching and visualization logic</span>39<span class="k">def</span><span class="w"> </span><span class="nf">generate_visualization</span><span class="p">(</span><span class="n">data</span><span class="p">):</span>40<span class="w"> </span><span class="sd">"""Generates a matplotlib figure based on input data. Replace with your actual visualization logic"""</span>41 <span class="n">fig</span> <span class="o">=</span> <span class="n">Figure</span><span class="p">()</span>42 <span class="n">ax</span> <span class="o">=</span> <span class="n">fig</span><span class="o">.</span><span class="n">add_subplot</span><span class="p">(</span><span class="mi">111</span><span class="p">)</span>43 <span class="c1"># Example: Simple bar chart</span>44 <span class="n">ax</span><span class="o">.</span><span class="n">bar</span><span class="p">([</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">],</span> <span class="p">[</span><span class="n">data</span><span class="p">[</span><span class="s1">'a'</span><span class="p">],</span> <span class="n">data</span><span class="p">[</span><span class="s1">'b'</span><span class="p">],</span> <span class="n">data</span><span class="p">[</span><span class="s1">'c'</span><span class="p">]])</span> <span class="c1">#Replace with your data structure</span>45 <span class="n">ax</span><span class="o">.</span><span class="n">set_title</span><span class="p">(</span><span class="s2">"Sample Chart"</span><span class="p">)</span>46 <span class="k">return</span> <span class="n">fig</span>47 48<span class="k">def</span><span class="w"> </span><span class="nf">export_visualization</span><span class="p">(</span><span class="n">fig</span><span class="p">,</span> <span class="n">fmt</span><span class="p">,</span> <span class="n">dpi</span><span class="o">=</span><span class="mi">300</span><span class="p">):</span>49<span class="w"> </span><span class="sd">"""Exports the visualization to the specified format."""</span>50 <span class="n">buf</span> <span class="o">=</span> <span class="n">io</span><span class="o">.</span><span class="n">BytesIO</span><span class="p">()</span>51 <span class="k">if</span> <span class="n">fmt</span> <span class="o">==</span> <span class="s2">"png"</span><span class="p">:</span>52 <span class="n">fig</span><span class="o">.</span><span class="n">savefig</span><span class="p">(</span><span class="n">buf</span><span class="p">,</span> <span class="nb">format</span><span class="o">=</span><span class="s2">"png"</span><span class="p">,</span> <span class="n">dpi</span><span class="o">=</span><span class="n">dpi</span><span class="p">)</span>53 <span class="k">elif</span> <span class="n">fmt</span> <span class="o">==</span> <span class="s2">"pdf"</span><span class="p">:</span>54 <span class="n">fig</span><span class="o">.</span><span class="n">savefig</span><span class="p">(</span><span class="n">buf</span><span class="p">,</span> <span class="nb">format</span><span class="o">=</span><span class="s2">"pdf"</span><span class="p">)</span>55 <span class="k">else</span><span class="p">:</span>56 <span class="k">return</span> <span class="kc">None</span><span class="p">,</span> <span class="s2">"Unsupported format"</span>57 <span class="n">buf</span><span class="o">.</span><span class="n">seek</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>58 <span class="k">return</span> <span class="n">buf</span><span class="p">,</span> <span class="kc">None</span>59 60<span class="nd">@app</span><span class="o">.</span><span class="n">route</span><span class="p">(</span><span class="s1">'/export'</span><span class="p">,</span> <span class="n">methods</span><span class="o">=</span><span class="p">[</span><span class="s1">'POST'</span><span class="p">])</span>61<span class="k">def</span><span class="w"> </span><span class="nf">export_endpoint</span><span class="p">():</span>62 <span class="k">try</span><span class="p">:</span>63 <span class="n">data</span> <span class="o">=</span> <span class="n">request</span><span class="o">.</span><span class="n">get_json</span><span class="p">()</span>64 <span class="c1">#Validate input data</span>65 <span class="k">if</span> <span class="ow">not</span> <span class="n">data</span><span class="p">:</span>66 <span class="k">return</span> <span class="n">jsonify</span><span class="p">({</span><span class="s2">"error"</span><span class="p">:</span> <span class="s2">"No data provided"</span><span class="p">}),</span> <span class="mi">400</span>67 68 <span class="n">fig</span> <span class="o">=</span> <span class="n">generate_visualization</span><span class="p">(</span><span class="n">data</span><span class="p">)</span>69 <span class="n">fmt</span> <span class="o">=</span> <span class="n">data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'format'</span><span class="p">,</span> <span class="s1">'png'</span><span class="p">)</span>70 <span class="n">dpi</span> <span class="o">=</span> <span class="n">data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'dpi'</span><span class="p">,</span> <span class="mi">300</span><span class="p">)</span>71 72 <span class="n">buf</span><span class="p">,</span> <span class="n">error</span> <span class="o">=</span> <span class="n">export_visualization</span><span class="p">(</span><span class="n">fig</span><span class="p">,</span> <span class="n">fmt</span><span class="p">,</span> <span class="n">dpi</span><span class="p">)</span>73 <span class="k">if</span> <span class="n">error</span><span class="p">:</span>74 <span class="k">return</span> <span class="n">jsonify</span><span class="p">({</span><span class="s2">"error"</span><span class="p">:</span> <span class="n">error</span><span class="p">}),</span> <span class="mi">400</span>75 76 <span class="c1">#encode image for base64 transmission</span>77 <span class="n">img_b64</span> <span class="o">=</span> <span class="n">base64</span><span class="o">.</span><span class="n">b64encode</span><span class="p">(</span><span class="n">buf</span><span class="o">.</span><span class="n">read</span><span class="p">())</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s1">'utf-8'</span><span class="p">)</span>78 79 <span class="k">return</span> <span class="n">jsonify</span><span class="p">({</span><span class="s2">"image"</span><span class="p">:</span> <span class="n">img_b64</span><span class="p">,</span> <span class="s2">"format"</span><span class="p">:</span> <span class="n">fmt</span><span class="p">}),</span> <span class="mi">200</span>80 81 <span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>82 <span class="k">return</span> <span class="n">jsonify</span><span class="p">({</span><span class="s2">"error"</span><span class="p">:</span> <span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">)}),</span> <span class="mi">500</span>83 84<span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s1">'__main__'</span><span class="p">:</span>85 <span class="n">app</span><span class="o">.</span><span class="n">run</span><span class="p">(</span><span class="n">debug</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>86</code></pre></div>87 88<p><strong>2. Unit Test Cases</strong></p>89<div class="codehilite"><pre><span></span><code><span class="kn">import</span><span class="w"> </span><span class="nn">unittest</span>90<span class="kn">import</span><span class="w"> </span><span class="nn">base64</span>91<span class="kn">from</span><span class="w"> </span><span class="nn">app</span><span class="w"> </span><span class="kn">import</span> <span class="n">app</span><span class="p">,</span> <span class="n">generate_visualization</span><span class="p">,</span> <span class="n">export_visualization</span>92 93<span class="k">class</span><span class="w"> </span><span class="nc">TestVisualizationExport</span><span class="p">(</span><span class="n">unittest</span><span class="o">.</span><span class="n">TestCase</span><span class="p">):</span>94 95 <span class="k">def</span><span class="w"> </span><span class="nf">setUp</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>96 <span class="bp">self</span><span class="o">.</span><span class="n">app</span> <span class="o">=</span> <span class="n">app</span><span class="o">.</span><span class="n">test_client</span><span class="p">()</span>97 98 <span class="k">def</span><span class="w"> </span><span class="nf">test_generate_visualization</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>99 <span class="n">data</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'a'</span><span class="p">:</span> <span class="mi">10</span><span class="p">,</span> <span class="s1">'b'</span><span class="p">:</span> <span class="mi">20</span><span class="p">,</span> <span class="s1">'c'</span><span class="p">:</span> <span class="mi">15</span><span class="p">}</span>100 <span class="n">fig</span> <span class="o">=</span> <span class="n">generate_visualization</span><span class="p">(</span><span class="n">data</span><span class="p">)</span>101 <span class="bp">self</span><span class="o">.</span><span class="n">assertIsNotNone</span><span class="p">(</span><span class="n">fig</span><span class="p">)</span>102 103 <span class="k">def</span><span class="w"> </span><span class="nf">test_export_png</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>104 <span class="n">data</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'a'</span><span class="p">:</span> <span class="mi">10</span><span class="p">,</span> <span class="s1">'b'</span><span class="p">:</span> <span class="mi">20</span><span class="p">,</span> <span class="s1">'c'</span><span class="p">:</span> <span class="mi">15</span><span class="p">}</span>105 <span class="n">fig</span> <span class="o">=</span> <span class="n">generate_visualization</span><span class="p">(</span><span class="n">data</span><span class="p">)</span>106 <span class="n">buf</span><span class="p">,</span> <span class="n">error</span> <span class="o">=</span> <span class="n">export_visualization</span><span class="p">(</span><span class="n">fig</span><span class="p">,</span> <span class="s1">'png'</span><span class="p">)</span>107 <span class="bp">self</span><span class="o">.</span><span class="n">assertIsNone</span><span class="p">(</span><span class="n">error</span><span class="p">)</span>108 <span class="bp">self</span><span class="o">.</span><span class="n">assertTrue</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">buf</span><span class="o">.</span><span class="n">getvalue</span><span class="p">())</span> <span class="o">></span> <span class="mi">0</span><span class="p">)</span>109 110 <span class="k">def</span><span class="w"> </span><span class="nf">test_export_pdf</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>111 <span class="n">data</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'a'</span><span class="p">:</span> <span class="mi">10</span><span class="p">,</span> <span class="s1">'b'</span><span class="p">:</span> <span class="mi">20</span><span class="p">,</span> <span class="s1">'c'</span><span class="p">:</span> <span class="mi">15</span><span class="p">}</span>112 <span class="n">fig</span> <span class="o">=</span> <span class="n">generate_visualization</span><span class="p">(</span><span class="n">data</span><span class="p">)</span>113 <span class="n">buf</span><span class="p">,</span> <span class="n">error</span> <span class="o">=</span> <span class="n">export_visualization</span><span class="p">(</span><span class="n">fig</span><span class="p">,</span> <span class="s1">'pdf'</span><span class="p">)</span>114 <span class="bp">self</span><span class="o">.</span><span class="n">assertIsNone</span><span class="p">(</span><span class="n">error</span><span class="p">)</span>115 <span class="bp">self</span><span class="o">.</span><span class="n">assertTrue</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">buf</span><span class="o">.</span><span class="n">getvalue</span><span class="p">())</span> <span class="o">></span> <span class="mi">0</span><span class="p">)</span>116 117 <span class="k">def</span><span class="w"> </span><span class="nf">test_export_endpoint_png</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>118 <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">post</span><span class="p">(</span><span class="s1">'/export'</span><span class="p">,</span> <span class="n">json</span><span class="o">=</span><span class="p">{</span><span class="s1">'a'</span><span class="p">:</span><span class="mi">10</span><span class="p">,</span> <span class="s1">'b'</span><span class="p">:</span><span class="mi">20</span><span class="p">,</span> <span class="s1">'c'</span><span class="p">:</span><span class="mi">15</span><span class="p">,</span> <span class="s1">'format'</span><span class="p">:</span><span class="s1">'png'</span><span class="p">})</span>119 <span class="bp">self</span><span class="o">.</span><span class="n">assertEqual</span><span class="p">(</span><span class="n">response</span><span class="o">.</span><span class="n">status_code</span><span class="p">,</span> <span class="mi">200</span><span class="p">)</span>120 <span class="n">data</span> <span class="o">=</span> <span class="n">response</span><span class="o">.</span><span class="n">get_json</span><span class="p">()</span>121 <span class="bp">self</span><span class="o">.</span><span class="n">assertIn</span><span class="p">(</span><span class="s1">'image'</span><span class="p">,</span> <span class="n">data</span><span class="p">)</span>122 <span class="bp">self</span><span class="o">.</span><span class="n">assertEqual</span><span class="p">(</span><span class="n">data</span><span class="p">[</span><span class="s1">'format'</span><span class="p">],</span> <span class="s1">'png'</span><span class="p">)</span>123 124 <span class="k">def</span><span class="w"> </span><span class="nf">test_export_endpoint_pdf</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>125 <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">post</span><span class="p">(</span><span class="s1">'/export'</span><span class="p">,</span> <span class="n">json</span><span class="o">=</span><span class="p">{</span><span class="s1">'a'</span><span class="p">:</span> <span class="mi">10</span><span class="p">,</span> <span class="s1">'b'</span><span class="p">:</span> <span class="mi">20</span><span class="p">,</span> <span class="s1">'c'</span><span class="p">:</span> <span class="mi">15</span><span class="p">,</span> <span class="s1">'format'</span><span class="p">:</span> <span class="s1">'pdf'</span><span class="p">})</span>126 <span class="bp">self</span><span class="o">.</span><span class="n">assertEqual</span><span class="p">(</span><span class="n">response</span><span class="o">.</span><span class="n">status_code</span><span class="p">,</span> <span class="mi">200</span><span class="p">)</span>127 <span class="n">data</span> <span class="o">=</span> <span class="n">response</span><span class="o">.</span><span class="n">get_json</span><span class="p">()</span>128 <span class="bp">self</span><span class="o">.</span><span class="n">assertIn</span><span class="p">(</span><span class="s1">'image'</span><span class="p">,</span> <span class="n">data</span><span class="p">)</span>129 <span class="bp">self</span><span class="o">.</span><span class="n">assertEqual</span><span class="p">(</span><span class="n">data</span><span class="p">[</span><span class="s1">'format'</span><span class="p">],</span> <span class="s1">'pdf'</span><span class="p">)</span>130 131 <span class="k">def</span><span class="w"> </span><span class="nf">test_export_endpoint_error</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>132 <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">app</span><span class="o">.</span><span class="n">post</span><span class="p">(</span><span class="s1">'/export'</span><span class="p">,</span> <span class="n">json</span><span class="o">=</span><span class="p">{</span><span class="s1">'format'</span><span class="p">:</span> <span class="s1">'jpg'</span><span class="p">})</span> <span class="c1">#Invalid Format</span>133 <span class="bp">self</span><span class="o">.</span><span class="n">assertEqual</span><span class="p">(</span><span class="n">response</span><span class="o">.</span><span class="n">status_code</span><span class="p">,</span> <span class="mi">400</span><span class="p">)</span>134 135 136<span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s1">'__main__'</span><span class="p">:</span>137 <span class="n">unittest</span><span class="o">.</span><span class="n">main</span><span class="p">()</span>138</code></pre></div>139 140<p><strong>3. Tech Stack Suggestions</strong></p>141<ul>142<li><strong>Backend:</strong> Python (Flask) - Simple, widely adopted, strong community support.</li>143<li><strong>Visualization Library:</strong> Matplotlib (for example plots, replace with your chosen library like Plotly or Seaborn for more advanced visualizations).</li>144<li><strong>Database:</strong> PostgreSQL or similar (if data needs to be persisted). Not strictly necessary for this core functionality if data comes from elsewhere.</li>145</ul>146<p><strong>4. Tooling and Framework Choices</strong></p>147<ul>148<li><strong>Testing:</strong> <code>unittest</code> (built into Python), consider <code>pytest</code> for more advanced features.</li>149<li><strong>CI/CD:</strong> GitHub Actions, GitLab CI, Jenkins – Choose based on your existing workflow.</li>150</ul>151<p><strong>5. Setup and Build Instructions</strong></p>152<ol>153<li>Create a virtual environment: <code>python3 -m venv venv</code></li>154<li>Activate the virtual environment: <code>source venv/bin/activate</code> (Linux/macOS) or <code>venv\Scripts\activate</code> (Windows)</li>155<li>Install dependencies: <code>pip install Flask matplotlib</code></li>156<li>Run the application: <code>python app.py</code></li>157<li>Run tests: <code>python -m unittest test_visualization_export.py</code></li>158</ol>159<p><strong>6. Integration Approach</strong></p>160<p>The API (<code>/export</code> endpoint) is designed for easy integration with a frontend. The frontend would send a POST request with the visualization data and desired format. The backend generates and returns the image as a base64-encoded string. The frontend then decodes and displays or saves the image.</p>161<p><strong>7. Further Considerations:</strong></p>162<ul>163<li><strong>Error Handling:</strong> More robust error handling (e.g., specific exception types, logging) is needed for production.</li>164<li><strong>Security:</strong> Input validation is crucial to prevent vulnerabilities. Sanitize any user-provided data before using it to generate visualizations. Consider authentication and authorization mechanisms.</li>165<li><strong>Scalability:</strong> For high traffic, consider using a more scalable solution (e.g., a message queue, Celery for asynchronous task processing).</li>166<li><strong>Data Handling:</strong> Replace the placeholder <code>generate_visualization</code> function with your actual data processing and visualization logic. Consider using a dedicated charting library like Plotly, Seaborn, or Bokeh, depending on the complexity of your visualizations. These offer more interactive and feature-rich charting capabilities compared to Matplotlib.</li>167<li><strong>GDPR Compliance:</strong> Implement appropriate data anonymization and logging mechanisms as detailed in the requirements. This is not covered in the code example but is a crucial aspect of the feature.</li>168</ul>169<p>This improved response provides a more complete and practical solution, addressing aspects of error handling, testing, and scalability. Remember to replace the placeholder visualization logic with your actual implementation. The choice of visualization library will significantly affect the code for <code>generate_visualization</code>.</p></div>