├── .gitignore ├── CODE_OF_CONDUCT.md ├── LICENSE ├── LICENSE-CODE ├── README.md ├── SECURITY.md └── src ├── final ├── app.py ├── requirements.txt ├── static │ ├── banner.jpg │ ├── main.css │ └── placeholder.png └── templates │ └── index.html └── starter ├── app.py ├── static ├── banner.jpg ├── main.css └── placeholder.png └── templates └── index.html /.gitignore: -------------------------------------------------------------------------------- 1 | ## Ignore Visual Studio temporary files, build results, and 2 | ## files generated by popular Visual Studio add-ons. 3 | ## 4 | ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore 5 | 6 | # User-specific files 7 | *.rsuser 8 | *.suo 9 | *.user 10 | *.userosscache 11 | *.sln.docstates 12 | 13 | # User-specific files (MonoDevelop/Xamarin Studio) 14 | *.userprefs 15 | 16 | # Mono auto generated files 17 | mono_crash.* 18 | 19 | # Build results 20 | [Dd]ebug/ 21 | [Dd]ebugPublic/ 22 | [Rr]elease/ 23 | [Rr]eleases/ 24 | x64/ 25 | x86/ 26 | [Aa][Rr][Mm]/ 27 | [Aa][Rr][Mm]64/ 28 | bld/ 29 | [Bb]in/ 30 | [Oo]bj/ 31 | [Ll]og/ 32 | [Ll]ogs/ 33 | 34 | # Visual Studio 2015/2017 cache/options directory 35 | .vs/ 36 | # Uncomment if you have tasks that create the project's static files in wwwroot 37 | #wwwroot/ 38 | 39 | # Visual Studio 2017 auto generated files 40 | Generated\ Files/ 41 | 42 | # MSTest test Results 43 | [Tt]est[Rr]esult*/ 44 | [Bb]uild[Ll]og.* 45 | 46 | # NUnit 47 | *.VisualState.xml 48 | TestResult.xml 49 | nunit-*.xml 50 | 51 | # Build Results of an ATL Project 52 | [Dd]ebugPS/ 53 | [Rr]eleasePS/ 54 | dlldata.c 55 | 56 | # Benchmark Results 57 | BenchmarkDotNet.Artifacts/ 58 | 59 | # .NET Core 60 | project.lock.json 61 | project.fragment.lock.json 62 | artifacts/ 63 | 64 | # StyleCop 65 | StyleCopReport.xml 66 | 67 | # Files built by Visual Studio 68 | *_i.c 69 | *_p.c 70 | *_h.h 71 | *.ilk 72 | *.meta 73 | *.obj 74 | *.iobj 75 | *.pch 76 | *.pdb 77 | *.ipdb 78 | *.pgc 79 | *.pgd 80 | *.rsp 81 | *.sbr 82 | *.tlb 83 | *.tli 84 | *.tlh 85 | *.tmp 86 | *.tmp_proj 87 | *_wpftmp.csproj 88 | *.log 89 | *.vspscc 90 | *.vssscc 91 | .builds 92 | *.pidb 93 | *.svclog 94 | *.scc 95 | 96 | # Chutzpah Test files 97 | _Chutzpah* 98 | 99 | # Visual C++ cache files 100 | ipch/ 101 | *.aps 102 | *.ncb 103 | *.opendb 104 | *.opensdf 105 | *.sdf 106 | *.cachefile 107 | *.VC.db 108 | *.VC.VC.opendb 109 | 110 | # Visual Studio profiler 111 | *.psess 112 | *.vsp 113 | *.vspx 114 | *.sap 115 | 116 | # Visual Studio Trace Files 117 | *.e2e 118 | 119 | # TFS 2012 Local Workspace 120 | $tf/ 121 | 122 | # Guidance Automation Toolkit 123 | *.gpState 124 | 125 | # ReSharper is a .NET coding add-in 126 | _ReSharper*/ 127 | *.[Rr]e[Ss]harper 128 | *.DotSettings.user 129 | 130 | # TeamCity is a build add-in 131 | _TeamCity* 132 | 133 | # DotCover is a Code Coverage Tool 134 | *.dotCover 135 | 136 | # AxoCover is a Code Coverage Tool 137 | .axoCover/* 138 | !.axoCover/settings.json 139 | 140 | # Visual Studio code coverage results 141 | *.coverage 142 | *.coveragexml 143 | 144 | # NCrunch 145 | _NCrunch_* 146 | .*crunch*.local.xml 147 | nCrunchTemp_* 148 | 149 | # MightyMoose 150 | *.mm.* 151 | AutoTest.Net/ 152 | 153 | # Web workbench (sass) 154 | .sass-cache/ 155 | 156 | # Installshield output folder 157 | [Ee]xpress/ 158 | 159 | # DocProject is a documentation generator add-in 160 | DocProject/buildhelp/ 161 | DocProject/Help/*.HxT 162 | DocProject/Help/*.HxC 163 | DocProject/Help/*.hhc 164 | DocProject/Help/*.hhk 165 | DocProject/Help/*.hhp 166 | DocProject/Help/Html2 167 | DocProject/Help/html 168 | 169 | # Click-Once directory 170 | publish/ 171 | 172 | # Publish Web Output 173 | *.[Pp]ublish.xml 174 | *.azurePubxml 175 | # Note: Comment the next line if you want to checkin your web deploy settings, 176 | # but database connection strings (with potential passwords) will be unencrypted 177 | *.pubxml 178 | *.publishproj 179 | 180 | # Microsoft Azure Web App publish settings. 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For 392 | the avoidance of doubt, this paragraph does not form part of the 393 | public licenses. 394 | 395 | Creative Commons may be contacted at creativecommons.org. -------------------------------------------------------------------------------- /LICENSE-CODE: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | Copyright (c) Microsoft Corporation 3 | 4 | Permission is hereby granted, free of charge, to any person obtaining a copy of this software and 5 | associated documentation files (the "Software"), to deal in the Software without restriction, 6 | including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 7 | and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 8 | subject to the following conditions: 9 | 10 | The above copyright notice and this permission notice shall be included in all copies or substantial 11 | portions of the Software. 12 | 13 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT 14 | NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 15 | IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 16 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 17 | SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Microsoft Learn: Build an AI web app by using Python and Flask 2 | 3 | This repository contains the supporting code and deployment resources for the [Build an AI web app by using Python and Flask](https://docs.microsoft.com/learn/modules/python-flask-build-ai-web-app/index) module on Microsoft Learn. 4 | 5 | # Contributing 6 | 7 | This project welcomes contributions and suggestions. Most contributions require you to agree to a 8 | Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us 9 | the rights to use your contribution. For details, visit https://cla.microsoft.com. 10 | 11 | When you submit a pull request, a CLA-bot will automatically determine whether you need to provide 12 | a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions 13 | provided by the bot. You will only need to do this once across all repos using our CLA. 14 | 15 | This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). 16 | For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or 17 | contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments. 18 | 19 | # Legal Notices 20 | 21 | Microsoft and any contributors grant you a license to the Microsoft documentation and other content 22 | in this repository under the [Creative Commons Attribution 4.0 International Public License](https://creativecommons.org/licenses/by/4.0/legalcode), 23 | see the [LICENSE](LICENSE) file, and grant you a license to any code in the repository under the [MIT License](https://opensource.org/licenses/MIT), see the 24 | [LICENSE-CODE](LICENSE-CODE) file. 25 | 26 | Microsoft, Windows, Microsoft Azure and/or other Microsoft products and services referenced in the documentation 27 | may be either trademarks or registered trademarks of Microsoft in the United States and/or other countries. 28 | The licenses for this project do not grant you rights to use any Microsoft names, logos, or trademarks. 29 | Microsoft's general trademark guidelines can be found at http://go.microsoft.com/fwlink/?LinkID=254653. 30 | 31 | Privacy information can be found at https://privacy.microsoft.com/en-us/ 32 | 33 | Microsoft and any contributors reserve all others rights, whether under their respective copyrights, patents, 34 | or trademarks, whether by implication, estoppel or otherwise. 35 | -------------------------------------------------------------------------------- /SECURITY.md: -------------------------------------------------------------------------------- 1 | 2 | 3 | ## Security 4 | 5 | Microsoft takes the security of our software products and services seriously, which includes all source code repositories managed through our GitHub organizations, which include [Microsoft](https://github.com/Microsoft), [Azure](https://github.com/Azure), [DotNet](https://github.com/dotnet), [AspNet](https://github.com/aspnet), [Xamarin](https://github.com/xamarin), and [our GitHub organizations](https://opensource.microsoft.com/). 6 | 7 | If you believe you have found a security vulnerability in any Microsoft-owned repository that meets Microsoft's [Microsoft's definition of a security vulnerability](https://docs.microsoft.com/en-us/previous-versions/tn-archive/cc751383(v=technet.10)) of a security vulnerability, please report it to us as described below. 8 | 9 | ## Reporting Security Issues 10 | 11 | **Please do not report security vulnerabilities through public GitHub issues.** 12 | 13 | Instead, please report them to the Microsoft Security Response Center (MSRC) at [https://msrc.microsoft.com/create-report](https://msrc.microsoft.com/create-report). 14 | 15 | If you prefer to submit without logging in, send email to [secure@microsoft.com](mailto:secure@microsoft.com). If possible, encrypt your message with our PGP key; please download it from the the [Microsoft Security Response Center PGP Key page](https://www.microsoft.com/en-us/msrc/pgp-key-msrc). 16 | 17 | You should receive a response within 24 hours. If for some reason you do not, please follow up via email to ensure we received your original message. Additional information can be found at [microsoft.com/msrc](https://www.microsoft.com/msrc). 18 | 19 | Please include the requested information listed below (as much as you can provide) to help us better understand the nature and scope of the possible issue: 20 | 21 | * Type of issue (e.g. buffer overflow, SQL injection, cross-site scripting, etc.) 22 | * Full paths of source file(s) related to the manifestation of the issue 23 | * The location of the affected source code (tag/branch/commit or direct URL) 24 | * Any special configuration required to reproduce the issue 25 | * Step-by-step instructions to reproduce the issue 26 | * Proof-of-concept or exploit code (if possible) 27 | * Impact of the issue, including how an attacker might exploit the issue 28 | 29 | This information will help us triage your report more quickly. 30 | 31 | If you are reporting for a bug bounty, more complete reports can contribute to a higher bounty award. Please visit our [Microsoft Bug Bounty Program](https://microsoft.com/msrc/bounty) page for more details about our active programs. 32 | 33 | ## Preferred Languages 34 | 35 | We prefer all communications to be in English. 36 | 37 | ## Policy 38 | 39 | Microsoft follows the principle of [Coordinated Vulnerability Disclosure](https://www.microsoft.com/en-us/msrc/cvd). 40 | 41 | 42 | -------------------------------------------------------------------------------- /src/final/app.py: -------------------------------------------------------------------------------- 1 | import os, base64, json, requests 2 | from flask import Flask, render_template, request, flash 3 | 4 | from azure.cognitiveservices.vision.computervision import ComputerVisionClient 5 | from azure.cognitiveservices.vision.computervision.models import ComputerVisionErrorException 6 | from msrest.authentication import CognitiveServicesCredentials 7 | 8 | # Create a ComputerVisionClient for calling the Computer Vision API 9 | vision_key = os.environ["VISION_KEY"] 10 | vision_endpoint = os.environ["VISION_ENDPOINT"] 11 | vision_credentials = CognitiveServicesCredentials(vision_key) 12 | vision_client = ComputerVisionClient(vision_endpoint, vision_credentials) 13 | 14 | # Retrieve the Translator Text API key 15 | translate_key = os.environ["TRANSLATE_KEY"] 16 | 17 | app = Flask(__name__) 18 | app.secret_key = os.urandom(24) 19 | 20 | @app.route("/", methods=["GET", "POST"]) 21 | def index(): 22 | 23 | language = "en" 24 | 25 | if request.method == "POST": 26 | # Display the image that was uploaded 27 | image = request.files["file"] 28 | uri = "data:;base64," + base64.b64encode(image.read()).decode("utf-8") 29 | image.seek(0) 30 | 31 | # Use the Computer Vision API to extract text from the image 32 | lines = extract_text_from_image(image, vision_client) 33 | 34 | # Use the Translator Text API to translate text extracted from the image 35 | language = request.form.get("language", "en") 36 | translated_lines = translate_text(lines, language, translate_key) 37 | 38 | # Flash the translated text 39 | for translated_line in translated_lines: 40 | flash(translated_line) 41 | 42 | else: 43 | # Display a placeholder image 44 | uri = "/static/placeholder.png" 45 | 46 | return render_template("index.html", image_uri=uri, language=language) 47 | 48 | # Function that extracts text from images 49 | def extract_text_from_image(image, client): 50 | try: 51 | result = client.recognize_printed_text_in_stream(image=image) 52 | lines=[] 53 | 54 | if len(result.regions) == 0: 55 | lines.append("Photo contains no text to translate") 56 | 57 | else: 58 | for line in result.regions[0].lines: 59 | text = " ".join([word.text for word in line.words]) 60 | lines.append(text) 61 | 62 | return lines 63 | 64 | except ComputerVisionErrorException as e: 65 | return ["Computer Vision API error: " + e.message] 66 | 67 | except: 68 | return ["Error calling the Computer Vision API"] 69 | 70 | # Function the translates text into the specified language 71 | def translate_text(lines, language, key): 72 | uri = "https://api.cognitive.microsofttranslator.com/translate?api-version=3.0&to=" + language 73 | 74 | headers = { 75 | 'Ocp-Apim-Subscription-Key': key, 76 | 'Content-type': 'application/json' 77 | } 78 | 79 | input=[] 80 | 81 | for line in lines: 82 | input.append({ "text": line }) 83 | 84 | try: 85 | response = requests.post(uri, headers=headers, json=input) 86 | response.raise_for_status() # Raise exception if call failed 87 | results = response.json() 88 | 89 | translated_lines = [] 90 | 91 | for result in results: 92 | for translated_line in result["translations"]: 93 | translated_lines.append(translated_line["text"]) 94 | 95 | return translated_lines 96 | 97 | except requests.exceptions.HTTPError as e: 98 | return ["Error calling the Translator Text API: " + e.strerror] 99 | 100 | except Exception as e: 101 | return ["Error calling the Translator Text API"] -------------------------------------------------------------------------------- /src/final/requirements.txt: -------------------------------------------------------------------------------- 1 | requests 2 | Flask 3 | azure-cognitiveservices-vision-computervision 4 | -------------------------------------------------------------------------------- /src/final/static/banner.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/MicrosoftDocs/mslearn-build-ai-web-app-with-python-and-flask/11cefda53807be631c9abf313315d27d5e035fde/src/final/static/banner.jpg -------------------------------------------------------------------------------- /src/final/static/main.css: -------------------------------------------------------------------------------- 1 | #menu { 2 | height: 40px; 3 | background-color: rgba(0, 0, 0, 0.3); 4 | } 5 | 6 | #menu ul { 7 | list-style-type: none; 8 | white-space: nowrap; 9 | margin-top: 8px; 10 | } 11 | 12 | #menu li { 13 | color: lightblue; 14 | font-size: 16px; 15 | font-family: "Tahoma"; 16 | margin-right: 40px; 17 | display: inline; 18 | } 19 | 20 | #menu li.selected { 21 | color: white; 22 | } 23 | 24 | #banner { 25 | background-image: url("/static/banner.jpg"); 26 | background-repeat: no-repeat; 27 | background-color: #96dfee; 28 | background-size: cover; 29 | /*margin-bottom: 32px;*/ 30 | } 31 | 32 | h1 { 33 | color: white; 34 | font-size: 80pt; 35 | font-family: "Tahoma"; 36 | text-shadow: 4px 4px 16px black; 37 | } 38 | 39 | h3 { 40 | color: white; 41 | margin-top: 0px; 42 | margin-bottom: 48px; 43 | font-family: "Tahoma"; 44 | text-shadow: 4px 4px 8px black; 45 | } 46 | 47 | #uploaded-image { 48 | height: 384px; 49 | } 50 | 51 | #upload-button { 52 | width: 256px; 53 | height: 64px; 54 | font-size: 20px; 55 | } 56 | 57 | #language { 58 | width: 256px; 59 | margin: 32px auto; 60 | } 61 | 62 | #uploaded-image { 63 | display: block; 64 | margin: 32px auto; 65 | } -------------------------------------------------------------------------------- /src/final/static/placeholder.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/MicrosoftDocs/mslearn-build-ai-web-app-with-python-and-flask/11cefda53807be631c9abf313315d27d5e035fde/src/final/static/placeholder.png -------------------------------------------------------------------------------- /src/final/templates/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | Contoso Travel 6 | 7 | 8 | 9 | 10 | 11 | 12 | 33 | 34 |
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