initial commit

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/codeStyles/codeStyleConfig.xml

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+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>

.idea/discord.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DiscordProjectSettings">
+    <option name="show" value="ASK" />
+    <option name="description" value="" />
+  </component>
+</project>

.idea/highlightedFiles.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectTreeColorHighlighter">
+    <files />
+    <colors>
+      <color id="1" value="#4f060d" name="Color 1" enabled="true" />
+      <color id="2" value="#44220e" name="Color 2" enabled="true" />
+      <color id="3" value="#3f371b" name="Color 3" enabled="true" />
+      <color id="4" value="#162c16" name="Color 4" enabled="true" />
+      <color id="5" value="#0f2f47" name="Color 5" enabled="true" />
+      <color id="6" value="#171a34" name="Color 6" enabled="true" />
+      <color id="7" value="#311333" name="Color 7" enabled="true" />
+      <color id="8" value="#1e1e1e" name="Color 8" enabled="true" />
+    </colors>
+    <option name="marksForCollapsedHighlights" value="Dots" />
+  </component>
+</project>

.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.10" project-jdk-type="Python SDK" />
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/resistors.iml" filepath="$PROJECT_DIR$/.idea/resistors.iml" />
+    </modules>
+  </component>
+</project>

.idea/resistors.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

bands.json

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+{
+  "black":
+  {
+    "tolerance": 0,
+    "band": 0,
+    "multiplier": 1
+  },
+  "brown":
+  {
+    "tolerance": 1,
+    "band": 1,
+    "multiplier": 10
+  },
+  "red":
+  {
+    "tolerance": 2,
+    "band": 2,
+    "multiplier": 100
+  },
+  "orange":
+  {
+    "tolerance": 3,
+    "band": 3,
+    "multiplier": 1000
+  },
+  "yellow":
+  {
+    "tolerance": 4,
+    "band": 4,
+    "multiplier": 10000
+  },
+  "green":
+  {
+    "tolerance": 0.5,
+    "band": 5,
+    "multiplier": 100000
+  },
+  "blue":
+  {
+    "tolerance": 0.25,
+    "band": 6,
+    "multiplier": 1000000
+  },
+  "violet":
+  {
+    "tolerance": 0.1,
+    "band": 7,
+    "multiplier": 10000000
+  },
+  "grey":
+  {
+    "tolerance": 0.05,
+    "band": 8,
+    "multiplier": 100000000
+  },
+  "white":
+  {
+    "tolerance": 0,
+    "band": 9,
+    "multiplier": 1000000000
+  },
+  "gold":
+  {
+    "tolerance": 5,
+    "band": "",
+    "multiplier": 0.1
+  },
+  "silver":
+  {
+    "tolerance": 10,
+    "band": "",
+    "multiplier": 0.01
+  },
+  "empty":
+  {
+    "tolerance": 20,
+    "band": "",
+    "multiplier": 0
+  }
+}

colours.py

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+red = "\033[91m"
+green = "\033[92m"
+blue = "\033[94m"
+magenta = "\033[35m"
+cyan = "\033[96m"
+end = "\033[0m"

main.py

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+import json
+import colours as c
+
+
+def load_json(file_name):
+    # Open a json file called file_name
+    with open(file_name) as file:
+        # Load the json file into a dictionary
+        return json.load(file)
+
+
+def convert(value):
+    if 1000 <= value < 1000000:
+        # Kilo
+        value = str(value / 1000) + " K"
+
+    elif 1000000 <= value < 1000000000:
+        # Mega
+        value = str(value / 1000000) + " M"
+
+    elif value >= 1000000000:
+        # Giga
+        value = str(value / 1000000000) + " G"
+
+    return value
+
+
+def input_colours(bands):
+    colours = []
+    while len(colours) < 5:
+        # Calculate a suffix for the number i.e. 2nd or 3rd
+        suffixes = ["", "st", "nd", "rd", "th", "th"]
+        suffix = suffixes[len(colours) + 1]
+
+        # Ask the user to input the colour of the resistor band
+        colour = input(f"{c.cyan}What is the colour of the "
+                       f"{c.blue}{len(colours) + 1}{suffix}{c.end} "
+                       f"{c.cyan}band? {c.end}").lower()
+
+        if colour in bands:
+            # Only add the colour if it is valid
+            colours.append(colour)
+
+        else:
+            # Otherwise, print an error message
+            print(f"{c.red}Error: This colour does not exist.{c.end}")
+
+    return colours
+
+
+def calc_resistor(colours, bands):
+    # Set default values
+    bands_value = ""
+    multiplier = 1
+    tolerance = 0
+
+    for i, colour in enumerate(colours):
+        # Get the band
+        if i < 3:
+            bands_value += str(bands[colour]["band"])
+
+        elif i == 3:
+            multiplier = bands[colour]["multiplier"]
+
+        elif i == 4:
+            tolerance = bands[colour]["tolerance"]
+
+    resistor_value = int(bands_value) * multiplier
+    return resistor_value, tolerance
+
+
+def main(file_name):
+    # Print the welcome message
+    print(f"{c.magenta}Resistor Calculator v0.1.0{c.end}")
+
+    # Load the band information from the json file
+    bands = load_json(file_name)
+
+    # Get the colours of the resistor's bands from the user
+    colours = input_colours(bands)
+
+    # Calculate the value and tolerance of the resistor
+    resistor_value, tolerance = calc_resistor(colours, bands)
+
+    # Convert the value to a readable format
+    converted_value = convert(resistor_value)
+
+    # Collect and create the final value
+    final_value = f"{converted_value}Ω +/-{tolerance}%"
+
+    # Print the original colours entered and final value
+    print(f"\n{c.blue}You have entered: {c.cyan}{', '.join(colours)}{c.end}"
+          f"\n{c.blue}Your resistor is: {c.cyan}{final_value}{c.end}")
+
+
+if __name__ == "__main__":
+    main("bands.json")