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P2Chat

BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project

Team Members

  • Bora Kayık
  • Emre Balmumcu
  • Yiğit Dağıdır

P2Chat is a simple peer-to-peer chat application with tui built using textual framework. It allows users to connect with each other and send messages in real-time.

Running the project

This project is made using uv package manager. You need to have uv added in your path in order to run the commands below. uv can be installed from here.

Bellow command will automatically install the required dependencies, use the proper python version and run the project. uv really is awesome

uv run p2chat

Known Issues

  • The tui can't work as expected on some terminal emulators due to the lack of support for certain features. So it's recommended to use terminals mentioned on the textual documentation. The development of this project is done on new Windows Terminal and Ghostty which work as intended in this project and are recommended.

Notes

  • Wireshark captures can be found in the images/wireshark folder.

Images

Tui

Images
sendingMessageToYourselfSecure.png Message sending
searchUsers.png Search Users
changeUsername.pngChange Username

Wireshark

Encrypted MessagesUncrypted message
Key send Key SendUnencrypted message send Sending the message unencrypted
Key receive Key Receive-
encrypted_message.png Sending the message encrypted-

About

BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project P2Chat

Topics

cmp2204pythonsocketsocket-programmingterminalterminal-basedtextualtextualizetui

Resources

Readme
MPL-2.0 license
Activity

Stars

0 stars

Watchers

2 watching

Forks

0 forks
Report repository

Releases

Packages

Used by

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Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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Repository files navigation
P2Chat
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project
Team Members
  • Bora Kayık
  • Emre Balmumcu
  • Yiğit Dağıdır
P2Chat is a simple peer-to-peer chat application with tui built using textual framework. It allows users to connect with each other and send messages in real-time.
Running the project
This project is made using uv package manager.
You need to have uv added in your path in order to run the commands below.
uv can be installed from here.
Bellow command will automatically install the required dependencies, use the proper python version and run the project. uv really is awesome
uv run p2chat
Known Issues
  • The tui can't work as expected on some terminal emulators due to the lack of support for certain features. So it's recommended to use terminals mentioned on the textual documentation. The development of this project is done on new Windows Terminal and Ghostty which work as intended in this project and are recommended.
Notes
  • Wireshark captures can be found in the images/wireshark folder.
Images
Tui
Images
sendingMessageToYourselfSecure.png Message sending
searchUsers.png Search Users
changeUsername.pngChange Username
Wireshark
Encrypted MessagesUncrypted message
Key send Key SendUnencrypted message send Sending the message unencrypted
Key receive Key Receive-
encrypted_message.png Sending the message encrypted-
About
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project P2Chat
Topics
cmp2204pythonsocketsocket-programmingterminalterminal-basedtextualtextualizetui
Resources
Readme
MPL-2.0 license
Activity
Stars
0 stars
Watchers
2 watching
Forks
0 forks
Report repository
Releases
Packages
Used by
Contributors
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Repository files navigation
P2Chat
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project
Team Members
  • Bora Kayık
  • Emre Balmumcu
  • Yiğit Dağıdır
P2Chat is a simple peer-to-peer chat application with tui built using textual framework. It allows users to connect with each other and send messages in real-time.
Running the project
This project is made using uv package manager.
You need to have uv added in your path in order to run the commands below.
uv can be installed from here.
Bellow command will automatically install the required dependencies, use the proper python version and run the project. uv really is awesome
uv run p2chat
Known Issues
  • The tui can't work as expected on some terminal emulators due to the lack of support for certain features. So it's recommended to use terminals mentioned on the textual documentation. The development of this project is done on new Windows Terminal and Ghostty which work as intended in this project and are recommended.
Notes
  • Wireshark captures can be found in the images/wireshark folder.
Images
Tui
Images
sendingMessageToYourselfSecure.png Message sending
searchUsers.png Search Users
changeUsername.pngChange Username
Wireshark
Encrypted MessagesUncrypted message
Key send Key SendUnencrypted message send Sending the message unencrypted
Key receive Key Receive-
encrypted_message.png Sending the message encrypted-
About
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project P2Chat
Topics
cmp2204pythonsocketsocket-programmingterminalterminal-basedtextualtextualizetui
Resources
Readme
MPL-2.0 license
Activity
Stars
0 stars
Watchers
2 watching
Forks
0 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Repository files navigation
P2Chat
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project
Team Members
  • Bora Kayık
  • Emre Balmumcu
  • Yiğit Dağıdır
P2Chat is a simple peer-to-peer chat application with tui built using textual framework. It allows users to connect with each other and send messages in real-time.
Running the project
This project is made using uv package manager.
You need to have uv added in your path in order to run the commands below.
uv can be installed from here.
Bellow command will automatically install the required dependencies, use the proper python version and run the project. uv really is awesome
uv run p2chat
Known Issues
  • The tui can't work as expected on some terminal emulators due to the lack of support for certain features. So it's recommended to use terminals mentioned on the textual documentation. The development of this project is done on new Windows Terminal and Ghostty which work as intended in this project and are recommended.
Notes
  • Wireshark captures can be found in the images/wireshark folder.
Images
Tui
Images
sendingMessageToYourselfSecure.png Message sending
searchUsers.png Search Users
changeUsername.pngChange Username
Wireshark
Encrypted MessagesUncrypted message
Key send Key SendUnencrypted message send Sending the message unencrypted
Key receive Key Receive-
encrypted_message.png Sending the message encrypted-
About
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project P2Chat
Topics
cmp2204pythonsocketsocket-programmingterminalterminal-basedtextualtextualizetui
Resources
Readme
MPL-2.0 license
Activity
Stars
0 stars
Watchers
2 watching
Forks
0 forks
Report repository
Releases
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Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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README.md
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pyproject.toml
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Repository files navigation
P2Chat
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project
Team Members
  • Bora Kayık
  • Emre Balmumcu
  • Yiğit Dağıdır
P2Chat is a simple peer-to-peer chat application with tui built using textual framework. It allows users to connect with each other and send messages in real-time.
Running the project
This project is made using uv package manager.
You need to have uv added in your path in order to run the commands below.
uv can be installed from here.
Bellow command will automatically install the required dependencies, use the proper python version and run the project. uv really is awesome
uv run p2chat
Known Issues
  • The tui can't work as expected on some terminal emulators due to the lack of support for certain features. So it's recommended to use terminals mentioned on the textual documentation. The development of this project is done on new Windows Terminal and Ghostty which work as intended in this project and are recommended.
Notes
  • Wireshark captures can be found in the images/wireshark folder.
Images
Tui
Images
sendingMessageToYourselfSecure.png Message sending
searchUsers.png Search Users
changeUsername.pngChange Username
Wireshark
Encrypted MessagesUncrypted message
Key send Key SendUnencrypted message send Sending the message unencrypted
Key receive Key Receive-
encrypted_message.png Sending the message encrypted-
About
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project P2Chat
Topics
cmp2204pythonsocketsocket-programmingterminalterminal-basedtextualtextualizetui
Resources
Readme
MPL-2.0 license
Activity
Stars
0 stars
Watchers
2 watching
Forks
0 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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README.md
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pyproject.toml
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uv.lock
Repository files navigation
P2Chat
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project
Team Members
  • Bora Kayık
  • Emre Balmumcu
  • Yiğit Dağıdır
P2Chat is a simple peer-to-peer chat application with tui built using textual framework. It allows users to connect with each other and send messages in real-time.
Running the project
This project is made using uv package manager.
You need to have uv added in your path in order to run the commands below.
uv can be installed from here.
Bellow command will automatically install the required dependencies, use the proper python version and run the project. uv really is awesome
uv run p2chat
Known Issues
  • The tui can't work as expected on some terminal emulators due to the lack of support for certain features. So it's recommended to use terminals mentioned on the textual documentation. The development of this project is done on new Windows Terminal and Ghostty which work as intended in this project and are recommended.
Notes
  • Wireshark captures can be found in the images/wireshark folder.
Images
Tui
Images
sendingMessageToYourselfSecure.png Message sending
searchUsers.png Search Users
changeUsername.pngChange Username
Wireshark
Encrypted MessagesUncrypted message
Key send Key SendUnencrypted message send Sending the message unencrypted
Key receive Key Receive-
encrypted_message.png Sending the message encrypted-
About
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project P2Chat
Topics
cmp2204pythonsocketsocket-programmingterminalterminal-basedtextualtextualizetui
Resources
Readme
MPL-2.0 license
Activity
Stars
0 stars
Watchers
2 watching
Forks
0 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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README.md
pyproject.toml
pyproject.toml
uv.lock
uv.lock
Repository files navigation
P2Chat
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project
Team Members
  • Bora Kayık
  • Emre Balmumcu
  • Yiğit Dağıdır
P2Chat is a simple peer-to-peer chat application with tui built using textual framework. It allows users to connect with each other and send messages in real-time.
Running the project
This project is made using uv package manager.
You need to have uv added in your path in order to run the commands below.
uv can be installed from here.
Bellow command will automatically install the required dependencies, use the proper python version and run the project. uv really is awesome
uv run p2chat
Known Issues
  • The tui can't work as expected on some terminal emulators due to the lack of support for certain features. So it's recommended to use terminals mentioned on the textual documentation. The development of this project is done on new Windows Terminal and Ghostty which work as intended in this project and are recommended.
Notes
  • Wireshark captures can be found in the images/wireshark folder.
Images
Tui
Images
sendingMessageToYourselfSecure.png Message sending
searchUsers.png Search Users
changeUsername.pngChange Username
Wireshark
Encrypted MessagesUncrypted message
Key send Key SendUnencrypted message send Sending the message unencrypted
Key receive Key Receive-
encrypted_message.png Sending the message encrypted-
About
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project P2Chat
Topics
cmp2204pythonsocketsocket-programmingterminalterminal-basedtextualtextualizetui
Resources
Readme
MPL-2.0 license
Activity
Stars
0 stars
Watchers
2 watching
Forks
0 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Repository files navigation
P2Chat
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project
Team Members
  • Bora Kayık
  • Emre Balmumcu
  • Yiğit Dağıdır
P2Chat is a simple peer-to-peer chat application with tui built using textual framework. It allows users to connect with each other and send messages in real-time.
Running the project
This project is made using uv package manager.
You need to have uv added in your path in order to run the commands below.
uv can be installed from here.
Bellow command will automatically install the required dependencies, use the proper python version and run the project. uv really is awesome
uv run p2chat
Known Issues
  • The tui can't work as expected on some terminal emulators due to the lack of support for certain features. So it's recommended to use terminals mentioned on the textual documentation. The development of this project is done on new Windows Terminal and Ghostty which work as intended in this project and are recommended.
Notes
  • Wireshark captures can be found in the images/wireshark folder.
Images
Tui
Images
sendingMessageToYourselfSecure.png Message sending
searchUsers.png Search Users
changeUsername.pngChange Username
Wireshark
Encrypted MessagesUncrypted message
Key send Key SendUnencrypted message send Sending the message unencrypted
Key receive Key Receive-
encrypted_message.png Sending the message encrypted-
About
BAU CMP2204 - Introduction to Computer Networks team BDK's Term Project P2Chat
Topics
cmp2204pythonsocketsocket-programmingterminalterminal-basedtextualtextualizetui
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MPL-2.0 license
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