add demo

Author: Hellebore

demo/demo.py

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+
+
+# Sourcery can find all sorts of improvements that make your code more Pythonic
+
+MAGICKS = ['Sourcery', 'Wizardry', 'Card tricks']
+
+# Here we can use Python's built-in 'any' function to streamline the method
+def contains_powerful_magic(spells):
+    for spell in spells:
+      if is_powerful(spell):
+        return True
+    return False
+
+# We chain together improvements to get your code to the best possible
+# state with the least effort
+
+# Here we can use a list comprehension and then return the answer straight away
+def find_the_best(magicks):
+    powerful_magic = []
+    for magic in magicks:
+        if is_powerful(magic):
+            powerful_magic.append(magic)
+    return powerful_magic
+
+# This there are more steps required to put the code in the best state
+def find_more(magicks):
+    powerful_magic = []
+    for magic in magicks:
+        if not is_powerful(magic):
+            continue
+        powerful_magic.append(magicks)
+    return powerful_magic
+
+# And here we are combining conditionals
+def is_powerful(self, magic):
+    if magic == 'Sourcery':
+        return True
+    elif magic == 'More Sourcery':
+        return True
+    else:
+        return False
+
+# We can even identify duplicate code and extract it!
+class ClassWithExample:
+    def extraction_example():
+        self.sparkle_slider = Scale(
+            self.master, from_=1, to=10, orient=HORIZONTAL, label='Sparkle')
+        self.sparkle_slider.set(DEFAULT_SPARKLE)
+        self.sparkle_slider.configure(background='black')
+
+        self.whoosh_slider = Scale(
+            self.master, from_=1, to=10, orient=HORIZONTAL, label='Whoosh')
+        self.whoosh_slider.set(DEFAULT_WHOOSH)
+        self.whoosh_slider.configure(background='purple')
+
+
+# We can evem untangle some pretty thorny logic
+class GildedRose:
+    def update_quality(self):
+        for item in self.items:
+            if item.name != "Aged Brie" and item.name != "Backstage passes to a TAFKAL80ETC concert":
+                if item.quality > 0:
+                    if item.name != "Sulfuras, Hand of Ragnaros":
+                        item.quality = item.quality - 1
+            else:
+                if item.quality < 50:
+                    item.quality = item.quality + 1
+                    if item.name == "Backstage passes to a TAFKAL80ETC concert":
+                        if item.sell_in < 11:
+                            if item.quality < 50:
+                                item.quality = item.quality + 1
+                        if item.sell_in < 6:
+                            if item.quality < 50:
+                                item.quality = item.quality + 1
+            if item.name != "Sulfuras, Hand of Ragnaros":
+                item.sell_in = item.sell_in - 1
+            if item.sell_in < 0:
+                if item.name != "Aged Brie":
+                    if item.name != "Backstage passes to a TAFKAL80ETC concert":
+                        if item.quality > 0:
+                            if item.name != "Sulfuras, Hand of Ragnaros":
+                                item.quality = item.quality - 1
+                    else:
+                        item.quality = item.quality - item.quality
+                else:
+                    if item.quality < 50:
+                        item.quality = item.quality + 1
+
+
+# And do clone detection and whole project scans!

demo/script.md

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+# First step if possible:
+
+# Do you code in Python?
+
+# Can we use your laptop for the demo?
+
+# Get them to install Sourcery on their laptop
+# Sign up for a free token
+# Then show them the first refactoring
+# Then ask if we can scan their code for refactorings and clones and explore them
+
+# then can scan for refactorings, look for clones, etc.
+
+
+
+# Start by manually typing this and saying something along the lines of:
+# Sourcery works with you as you type to suggest improvements to your code
+# Here's a quick example:
+def first_demo(condition):
+    if condition:
+        if condition:
+            print('Brilliant')