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Catching up
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11 files changed

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‎days/19-21-itertools/code/bite_65.ipynb

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@@ -10,7 +10,7 @@
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"import os\n",
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"import urllib.request\n",
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"import string\n",
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"\n",
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" \n",
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"# PREWORK\n",
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"DICTIONARY = os.path.join('/tmp', 'dictionary.txt')\n",
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"urllib.request.urlretrieve('http://bit.ly/2iQ3dlZ', DICTIONARY)\n",
@@ -38,6 +38,47 @@
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" \n",
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" return [list(itertools.permutations(draw,i)) for i in range(2,len(draw)+1)]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 14,
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"metadata": {},
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"outputs": [],
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"source": [
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"import itertools\n",
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"import os\n",
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"import urllib.request\n",
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"\n",
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"# PREWORK\n",
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"DICTIONARY = os.path.join('/tmp', 'dictionary.txt')\n",
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"urllib.request.urlretrieve('http://bit.ly/2iQ3dlZ', DICTIONARY)\n",
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"\n",
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"with open(DICTIONARY) as f:\n",
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" dictionary = set([word.strip().lower() for word in f.read().split()])\n",
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"\n",
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"\n",
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"def get_possible_dict_words(draw):\n",
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" \"\"\"Get all possible words from a draw (list of letters) which are\n",
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" valid dictionary words. Use _get_permutations_draw and provided\n",
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" dictionary\"\"\"\n",
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" permutations = [''.join(word).lower()\n",
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" for word in _get_permutations_draw(draw)]\n",
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" return set(permutations) & set(dictionary)\n",
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"\n",
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"\n",
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"def _get_permutations_draw(draw):\n",
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" \"\"\"Helper to get all permutations of a draw (list of letters), hint:\n",
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" use itertools.permutations (order of letters matters)\"\"\"\n",
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" for i in range(1, 8):\n",
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" yield from list(itertools.permutations(draw, i))"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {

‎days/22-24-decorators/bite_22.ipynb

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@@ -0,0 +1,77 @@
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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 20,
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"metadata": {},
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"outputs": [],
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"source": [
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"from functools import wraps"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 41,
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"metadata": {},
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"outputs": [],
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"source": [
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"def make_html(element):\n",
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" begin = f'<{element}>'\n",
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" end = f'</{element}>'\n",
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" def decorator(func):\n",
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" @wraps(func)\n",
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" def wrapper(*args, **kwargs):\n",
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" value = begin + func(*args, **kwargs) + end\n",
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" return value\n",
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" return wrapper\n",
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" return decorator"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 42,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"'<p><strong>I code with PyBites</strong></p>'"
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]
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},
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"execution_count": 42,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"@make_html('p')\n",
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"@make_html('strong')\n",
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"def get_text(text='I code with PyBites'):\n",
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" return text\n",
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"\n",
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"get_text()"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.6.7"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}

‎days/22-24-decorators/decorators.ipynb

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@@ -632,9 +632,9 @@
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],
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"metadata": {
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"kernelspec": {
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"display_name": "venv",
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"display_name": "Python 3",
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"language": "python",
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"name": "venv"
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.6.1"
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"version": "3.6.7"
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}
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},
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"nbformat": 4,

‎days/22-24-decorators/scratch.ipynb

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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 2,
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"metadata": {},
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"outputs": [],
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"source": [
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"from functools import wraps"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"metadata": {},
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"outputs": [],
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"source": [
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"def my_decorator(func):\n",
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" @wraps(func)\n",
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" def wrapper(*args,**kwargs):\n",
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" print('before function')\n",
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" result = func(*args,**kwargs)\n",
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" print('after function')\n",
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" return result # just return the result don't execute it \n",
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" return wrapper "
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]
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"metadata": {},
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"outputs": [],
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"source": [
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"@my_decorator\n",
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"def my_func():\n",
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" print(\"this is the simple function!\")"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"before function\n",
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"this is the simple function!\n",
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"after function\n"
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]
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}
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],
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"source": [
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"my_func()"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.6.7"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}

‎days/22-24-decorators/scratch_3.ipynb

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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Create a logging decorator"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 14,
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"metadata": {},
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"outputs": [],
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"source": [
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"from functools import wraps\n",
17+
"import logging\n",
18+
"from datetime import datetime\n",
19+
"import os\n",
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"import time"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 15,
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"metadata": {},
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"outputs": [],
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"source": [
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"# Get CWD\n",
30+
"log_dir = os.getcwd() + '/logs/'\n",
31+
"\n",
32+
"# Create logs folder if it doesn't exist\n",
33+
"if not os.path.exists(log_dir):\n",
34+
" os.makedirs(log_dir)\n",
35+
"\n",
36+
"# Set logging\n",
37+
"logging.basicConfig(\n",
38+
" format='%(asctime)s | %(levelname)s | %(message)s',\n",
39+
" datefmt='%m/%d/%Y %I:%M:%S %p',\n",
40+
" filename=log_dir+datetime.today().strftime('%Y%m%d')+'.log',\n",
41+
" level=logging.INFO)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"metadata": {},
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"outputs": [],
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"source": [
50+
"def timeit(func):\n",
51+
" '''Decorator to time a function'''\n",
52+
" @wraps(func)\n",
53+
" def wrapper(*args, **kwargs):\n",
54+
" \n",
55+
" # before calling the decorated function\n",
56+
" print('== starting timer')\n",
57+
" start = time.time()\n",
58+
" \n",
59+
" # call the decorated function\n",
60+
" func(*args, **kwargs)\n",
61+
" \n",
62+
" # after calling the decorated function\n",
63+
" end = time.time()\n",
64+
" print(f'== {func.__name__} took {int(end-start)} seconds to complete')\n",
65+
" \n",
66+
" return wrapper"
67+
]
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},
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{
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"cell_type": "code",
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"execution_count": 22,
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"metadata": {},
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"outputs": [],
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"source": [
75+
"def logger(func):\n",
76+
" '''Decorator to log a function'''\n",
77+
" @wraps(func)\n",
78+
" def wrapper(*args, **kwargs):\n",
79+
" \n",
80+
" # before calling the decorated function start the logger\n",
81+
" logging.info(f'Starting {func.__name__} with {args} or {kwargs}')\n",
82+
" start = time.time()\n",
83+
" \n",
84+
" # call the function\n",
85+
" func(*args, **kwargs)\n",
86+
" \n",
87+
" # before calling the decorated function start the logger\n",
88+
" end = time.time()\n",
89+
" logging.info(f'Completed {func.__name__}. Elapsed time: {int(end-start)} seconds.')\n",
90+
" \n",
91+
" return wrapper"
92+
]
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},
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{
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"cell_type": "code",
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"execution_count": 23,
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"metadata": {},
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"outputs": [
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{
100+
"name": "stdout",
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"output_type": "stream",
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"text": [
103+
"(actual function) Done, report links ...\n"
104+
]
105+
}
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],
107+
"source": [
108+
"@logger\n",
109+
"def generate_report(seconds):\n",
110+
" '''Function to generate revenue report'''\n",
111+
" time.sleep(seconds)\n",
112+
" print('(actual function) Done, report links ...')\n",
113+
"\n",
114+
"generate_report(10)"
115+
]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": []
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.6.7"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}

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