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lecture as finished

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Andrew Straw 2025-01-10 11:26:08 +01:00
parent e7f043e73b
commit 747b28321f
1 changed files with 51 additions and 46 deletions
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97
lectures/lecture-11/network and web technologies.ipynb
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@ -219,7 +219,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 1, "execution_count": 15,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -271,28 +271,28 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 7, "execution_count": 19,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
"data": { "data": {
"text/plain": [ "text/plain": [
"'{\"name\":\"Darth Vader\",\"height\":\"202\",\"mass\":\"136\",\"hair_color\":\"none\",\"skin_color\":\"white\",\"eye_color\":\"yellow\",\"birth_year\":\"41.9BBY\",\"gender\":\"male\",\"homeworld\":\"https://swapi.py4e.com/api/planets/1/\",\"films\":[\"https://swapi.py4e.com/api/films/1/\",\"https://swapi.py4e.com/api/films/2/\",\"https://swapi.py4e.com/api/films/3/\",\"https://swapi.py4e.com/api/films/6/\"],\"species\":[\"https://swapi.py4e.com/api/species/1/\"],\"vehicles\":[],\"starships\":[\"https://swapi.py4e.com/api/starships/13/\"],\"created\":\"2014-12-10T15:18:20.704000Z\",\"edited\":\"2014-12-20T21:17:50.313000Z\",\"url\":\"https://swapi.py4e.com/api/people/4/\"}'" "'{\"name\":\"Leia Organa\",\"height\":\"150\",\"mass\":\"49\",\"hair_color\":\"brown\",\"skin_color\":\"light\",\"eye_color\":\"brown\",\"birth_year\":\"19BBY\",\"gender\":\"female\",\"homeworld\":\"https://swapi.py4e.com/api/planets/2/\",\"films\":[\"https://swapi.py4e.com/api/films/1/\",\"https://swapi.py4e.com/api/films/2/\",\"https://swapi.py4e.com/api/films/3/\",\"https://swapi.py4e.com/api/films/6/\",\"https://swapi.py4e.com/api/films/7/\"],\"species\":[\"https://swapi.py4e.com/api/species/1/\"],\"vehicles\":[\"https://swapi.py4e.com/api/vehicles/30/\"],\"starships\":[],\"created\":\"2014-12-10T15:20:09.791000Z\",\"edited\":\"2014-12-20T21:17:50.315000Z\",\"url\":\"https://swapi.py4e.com/api/people/5/\"}'"
] ]
}, },
"execution_count": 7, "execution_count": 19,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
], ],
"source": [ "source": [
"response = requests.get('https://swapi.py4e.com/api/people/4/')\n", "response = requests.get('https://swapi.py4e.com/api/people/5/')\n",
"response.text" "response.text"
] ]
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 8, "execution_count": 20,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -301,7 +301,7 @@
"requests.models.Response" "requests.models.Response"
] ]
}, },
"execution_count": 8, "execution_count": 20,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -312,7 +312,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 9, "execution_count": 21,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -321,7 +321,7 @@
"str" "str"
] ]
}, },
"execution_count": 9, "execution_count": 21,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -332,16 +332,16 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 10, "execution_count": 22,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
"data": { "data": {
"text/plain": [ "text/plain": [
"{'Date': 'Fri, 10 Jan 2025 09:07:09 GMT', 'Content-Type': 'application/json', 'Transfer-Encoding': 'chunked', 'Connection': 'keep-alive', 'Vary': 'Accept-Encoding, Accept, Cookie', 'X-Frame-Options': 'SAMEORIGIN', 'ETag': 'W/\"84f396e29689886d73163ffeea41d4b8\"', 'Allow': 'GET, HEAD, OPTIONS', 'X-Clacks-Overhead': 'GNU Terry Pratchett', 'Content-Encoding': 'gzip', 'Age': '10', 'Cache-Control': 'max-age=14400', 'cf-cache-status': 'HIT', 'Report-To': '{\"endpoints\":[{\"url\":\"https:\\\\/\\\\/a.nel.cloudflare.com\\\\/report\\\\/v4?s=k1tyqow%2BTHfXBggdLlKOGfY3YUvPQIZw2P1EowugfuLk%2F2nzXWw0X%2FjfUeLAhQcRikRxCoEH%2FDEcASi998U%2FcN70vLqQIRPjvoxABihBwDr9ApD2b%2BpBaqDMJ2ujpKeewA%3D%3D\"}],\"group\":\"cf-nel\",\"max_age\":604800}', 'NEL': '{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}', 'Server': 'cloudflare', 'CF-RAY': '8ffb83dfbba02c0a-STR', 'alt-svc': 'h3=\":443\"; ma=86400', 'server-timing': 'cfL4;desc=\"?proto=TCP&rtt=4615&min_rtt=4583&rtt_var=1314&sent=4&recv=7&lost=0&retrans=0&sent_bytes=2830&recv_bytes=781&delivery_rate=630387&cwnd=251&unsent_bytes=0&cid=59f4e5c9b008e54f&ts=22&x=0\"'}" "{'Date': 'Fri, 10 Jan 2025 10:02:19 GMT', 'Content-Type': 'application/json', 'Transfer-Encoding': 'chunked', 'Connection': 'keep-alive', 'Vary': 'Accept-Encoding, Accept, Cookie', 'X-Frame-Options': 'SAMEORIGIN', 'ETag': 'W/\"568eba5ec38fb919307c6156c938e302\"', 'Allow': 'GET, HEAD, OPTIONS', 'X-Clacks-Overhead': 'GNU Terry Pratchett', 'Content-Encoding': 'gzip', 'Cache-Control': 'max-age=14400', 'CF-Cache-Status': 'MISS', 'Report-To': '{\"endpoints\":[{\"url\":\"https:\\\\/\\\\/a.nel.cloudflare.com\\\\/report\\\\/v4?s=9AOD88Z9mF%2BfE49ehipfEzpbXz5xs%2B4GabJ8Ds0jAtf4Tdbvyb7hw1bRuVxxgFRriVgTcIoux8CnjfAtBrwXqZGjUsaAZ8ZeOtRZCkSSqU%2BS2gLP%2FGw2qGsrRuLXIL7hproJjLdxEITm48COOw%3D%3D\"}],\"group\":\"cf-nel\",\"max_age\":604800}', 'NEL': '{\"success_fraction\":0,\"report_to\":\"cf-nel\",\"max_age\":604800}', 'Server': 'cloudflare', 'CF-RAY': '8ffbd4ae6d082c0e-STR', 'alt-svc': 'h3=\":443\"; ma=86400', 'server-timing': 'cfL4;desc=\"?proto=TCP&rtt=14991&min_rtt=9209&rtt_var=7584&sent=5&recv=6&lost=0&retrans=0&sent_bytes=2828&recv_bytes=781&delivery_rate=439135&cwnd=252&unsent_bytes=0&cid=b7a8064f0ebc6e2d&ts=256&x=0\"'}"
] ]
}, },
"execution_count": 10, "execution_count": 22,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -352,34 +352,35 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 11, "execution_count": 23,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
"data": { "data": {
"text/plain": [ "text/plain": [
"{'name': 'Darth Vader',\n", "{'name': 'Leia Organa',\n",
" 'height': '202',\n", " 'height': '150',\n",
" 'mass': '136',\n", " 'mass': '49',\n",
" 'hair_color': 'none',\n", " 'hair_color': 'brown',\n",
" 'skin_color': 'white',\n", " 'skin_color': 'light',\n",
" 'eye_color': 'yellow',\n", " 'eye_color': 'brown',\n",
" 'birth_year': '41.9BBY',\n", " 'birth_year': '19BBY',\n",
" 'gender': 'male',\n", " 'gender': 'female',\n",
" 'homeworld': 'https://swapi.py4e.com/api/planets/1/',\n", " 'homeworld': 'https://swapi.py4e.com/api/planets/2/',\n",
" 'films': ['https://swapi.py4e.com/api/films/1/',\n", " 'films': ['https://swapi.py4e.com/api/films/1/',\n",
" 'https://swapi.py4e.com/api/films/2/',\n", " 'https://swapi.py4e.com/api/films/2/',\n",
" 'https://swapi.py4e.com/api/films/3/',\n", " 'https://swapi.py4e.com/api/films/3/',\n",
" 'https://swapi.py4e.com/api/films/6/'],\n", " 'https://swapi.py4e.com/api/films/6/',\n",
" 'https://swapi.py4e.com/api/films/7/'],\n",
" 'species': ['https://swapi.py4e.com/api/species/1/'],\n", " 'species': ['https://swapi.py4e.com/api/species/1/'],\n",
" 'vehicles': [],\n", " 'vehicles': ['https://swapi.py4e.com/api/vehicles/30/'],\n",
" 'starships': ['https://swapi.py4e.com/api/starships/13/'],\n", " 'starships': [],\n",
" 'created': '2014-12-10T15:18:20.704000Z',\n", " 'created': '2014-12-10T15:20:09.791000Z',\n",
" 'edited': '2014-12-20T21:17:50.313000Z',\n", " 'edited': '2014-12-20T21:17:50.315000Z',\n",
" 'url': 'https://swapi.py4e.com/api/people/4/'}" " 'url': 'https://swapi.py4e.com/api/people/5/'}"
] ]
}, },
"execution_count": 11, "execution_count": 23,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -391,7 +392,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 12, "execution_count": 24,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -404,10 +405,10 @@
{ {
"data": { "data": {
"text/plain": [ "text/plain": [
"'Darth Vader'" "'Leia Organa'"
] ]
}, },
"execution_count": 12, "execution_count": 24,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -420,37 +421,41 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 13, "execution_count": 30,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
"data": { "data": {
"text/plain": [ "text/plain": [
"'C-3PO'" "'Owen Lars'"
] ]
}, },
"execution_count": 13, "execution_count": 30,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
], ],
"source": [ "source": [
"requests.get('https://swapi.py4e.com/api/people/2/').json()['name']" "requests.get('https://swapi.py4e.com/api/people/6/').json()['name']"
] ]
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 14, "execution_count": 32,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
"name": "stdout", "name": "stdout",
"output_type": "stream", "output_type": "stream",
"text": [ "text": [
"Serving HTTP on port 4448 ...\n", "Serving HTTP on port 4449 ...\n",
"waiting for connection\n", "waiting for connection\n",
"Got connection from ('127.0.0.1', 61404)\n", "Got connection from ('127.0.0.1', 64530)\n",
"GET / HTTP/1.1\n", "HTTP/1.1 GET /hello\n",
"\n",
"waiting for connection\n",
"Got connection from ('127.0.0.1', 64555)\n",
"l;askdjkfsd;kljfd;lskjfkldsjfklajlkdsfmvmdnsvmngfkljsrjhkfasfasdasdfsafasfasd\n",
"\n", "\n",
"waiting for connection\n" "waiting for connection\n"
] ]
@ -462,7 +467,7 @@
"traceback": [ "traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m", "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mKeyboardInterrupt\u001b[0m Traceback (most recent call last)", "\u001b[0;31mKeyboardInterrupt\u001b[0m Traceback (most recent call last)",
"Cell \u001b[0;32mIn[14], line 13\u001b[0m\n\u001b[1;32m 11\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m \u001b[38;5;28;01mTrue\u001b[39;00m:\n\u001b[1;32m 12\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mwaiting for connection\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n\u001b[0;32m---> 13\u001b[0m client_connection, client_address \u001b[38;5;241m=\u001b[39m \u001b[43mlisten_socket\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43maccept\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m 14\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mGot connection from \u001b[39m\u001b[38;5;132;01m{}\u001b[39;00m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;241m.\u001b[39mformat(client_address))\n\u001b[1;32m 15\u001b[0m request_data \u001b[38;5;241m=\u001b[39m client_connection\u001b[38;5;241m.\u001b[39mrecv(\u001b[38;5;241m1024\u001b[39m)\n", "Cell \u001b[0;32mIn[32], line 13\u001b[0m\n\u001b[1;32m 11\u001b[0m \u001b[38;5;28;01mwhile\u001b[39;00m \u001b[38;5;28;01mTrue\u001b[39;00m:\n\u001b[1;32m 12\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mwaiting for connection\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n\u001b[0;32m---> 13\u001b[0m client_connection, client_address \u001b[38;5;241m=\u001b[39m \u001b[43mlisten_socket\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43maccept\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m 14\u001b[0m \u001b[38;5;28mprint\u001b[39m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mGot connection from \u001b[39m\u001b[38;5;132;01m{}\u001b[39;00m\u001b[38;5;124m\"\u001b[39m\u001b[38;5;241m.\u001b[39mformat(client_address))\n\u001b[1;32m 15\u001b[0m request_data \u001b[38;5;241m=\u001b[39m client_connection\u001b[38;5;241m.\u001b[39mrecv(\u001b[38;5;241m1024\u001b[39m)\n",
"File \u001b[0;32m~/anaconda3/envs/wm01-dragon/lib/python3.11/socket.py:294\u001b[0m, in \u001b[0;36msocket.accept\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m 287\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21maccept\u001b[39m(\u001b[38;5;28mself\u001b[39m):\n\u001b[1;32m 288\u001b[0m \u001b[38;5;250m \u001b[39m\u001b[38;5;124;03m\"\"\"accept() -> (socket object, address info)\u001b[39;00m\n\u001b[1;32m 289\u001b[0m \n\u001b[1;32m 290\u001b[0m \u001b[38;5;124;03m Wait for an incoming connection. Return a new socket\u001b[39;00m\n\u001b[1;32m 291\u001b[0m \u001b[38;5;124;03m representing the connection, and the address of the client.\u001b[39;00m\n\u001b[1;32m 292\u001b[0m \u001b[38;5;124;03m For IP sockets, the address info is a pair (hostaddr, port).\u001b[39;00m\n\u001b[1;32m 293\u001b[0m \u001b[38;5;124;03m \"\"\"\u001b[39;00m\n\u001b[0;32m--> 294\u001b[0m fd, addr \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_accept\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m 295\u001b[0m sock \u001b[38;5;241m=\u001b[39m socket(\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mfamily, \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mtype, \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mproto, fileno\u001b[38;5;241m=\u001b[39mfd)\n\u001b[1;32m 296\u001b[0m \u001b[38;5;66;03m# Issue #7995: if no default timeout is set and the listening\u001b[39;00m\n\u001b[1;32m 297\u001b[0m \u001b[38;5;66;03m# socket had a (non-zero) timeout, force the new socket in blocking\u001b[39;00m\n\u001b[1;32m 298\u001b[0m \u001b[38;5;66;03m# mode to override platform-specific socket flags inheritance.\u001b[39;00m\n", "File \u001b[0;32m~/anaconda3/envs/wm01-dragon/lib/python3.11/socket.py:294\u001b[0m, in \u001b[0;36msocket.accept\u001b[0;34m(self)\u001b[0m\n\u001b[1;32m 287\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21maccept\u001b[39m(\u001b[38;5;28mself\u001b[39m):\n\u001b[1;32m 288\u001b[0m \u001b[38;5;250m \u001b[39m\u001b[38;5;124;03m\"\"\"accept() -> (socket object, address info)\u001b[39;00m\n\u001b[1;32m 289\u001b[0m \n\u001b[1;32m 290\u001b[0m \u001b[38;5;124;03m Wait for an incoming connection. Return a new socket\u001b[39;00m\n\u001b[1;32m 291\u001b[0m \u001b[38;5;124;03m representing the connection, and the address of the client.\u001b[39;00m\n\u001b[1;32m 292\u001b[0m \u001b[38;5;124;03m For IP sockets, the address info is a pair (hostaddr, port).\u001b[39;00m\n\u001b[1;32m 293\u001b[0m \u001b[38;5;124;03m \"\"\"\u001b[39;00m\n\u001b[0;32m--> 294\u001b[0m fd, addr \u001b[38;5;241m=\u001b[39m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43m_accept\u001b[49m\u001b[43m(\u001b[49m\u001b[43m)\u001b[49m\n\u001b[1;32m 295\u001b[0m sock \u001b[38;5;241m=\u001b[39m socket(\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mfamily, \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mtype, \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mproto, fileno\u001b[38;5;241m=\u001b[39mfd)\n\u001b[1;32m 296\u001b[0m \u001b[38;5;66;03m# Issue #7995: if no default timeout is set and the listening\u001b[39;00m\n\u001b[1;32m 297\u001b[0m \u001b[38;5;66;03m# socket had a (non-zero) timeout, force the new socket in blocking\u001b[39;00m\n\u001b[1;32m 298\u001b[0m \u001b[38;5;66;03m# mode to override platform-specific socket flags inheritance.\u001b[39;00m\n",
"\u001b[0;31mKeyboardInterrupt\u001b[0m: " "\u001b[0;31mKeyboardInterrupt\u001b[0m: "
] ]
@ -472,7 +477,7 @@
"# webserver1.py from https://ruslanspivak.com/lsbaws-part1/\n", "# webserver1.py from https://ruslanspivak.com/lsbaws-part1/\n",
"\n", "\n",
"import socket\n", "import socket\n",
"HOST, PORT = '0.0.0.0', 4448\n", "HOST, PORT = '0.0.0.0', 4449\n",
"\n", "\n",
"listen_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n", "listen_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n",
"listen_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)\n", "listen_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)\n",
@ -552,7 +557,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 2, "execution_count": 33,
"metadata": { "metadata": {
"scrolled": true "scrolled": true
}, },
@ -572,7 +577,7 @@
"{'key1': [1.2, {'32': 64, 'c': \"sdfg'dfsg\"}, 3, 4]}" "{'key1': [1.2, {'32': 64, 'c': \"sdfg'dfsg\"}, 3, 4]}"
] ]
}, },
"execution_count": 2, "execution_count": 33,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -594,7 +599,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 3, "execution_count": 34,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -603,7 +608,7 @@
"'{\"key1\": [1.2, {\"32\": 64, \"c\": \"sdfg\\'dfsg\"}, 3, 4]}'" "'{\"key1\": [1.2, {\"32\": 64, \"c\": \"sdfg\\'dfsg\"}, 3, 4]}'"
] ]
}, },
"execution_count": 3, "execution_count": 34,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }