Add lab 14 content and journal skeleton

journal/_src/posts/2022-10-31-lab-14.md

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+    Title: Lab Fourteen
+    Date: 2022-10-31T08:30:00
+    Tags: cs2613, lab, python
+
+Sample description
+<!-- more -->
+
+## Sample Body
+Sample Body

labs/L14/.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

labs/L14/.idea/L14.iml

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

labs/L14/.idea/dataSources.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
+    <data-source source="LOCAL" name=".coverage" uuid="af2f1fdd-3241-4470-93b5-53f58bcdd0d2">
+      <driver-ref>sqlite.xerial</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.sqlite.JDBC</jdbc-driver>
+      <jdbc-url>jdbc:sqlite:C:\Users\Isaac\OneDrive - University of New Brunswick\Year 3 UNB\CS2613\Git\cs2613-ishoebot\labs\L14\.coverage</jdbc-url>
+      <working-dir>$ProjectFileDir$</working-dir>
+    </data-source>
+  </component>
+</project>

labs/L14/.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>

labs/L14/.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 (L14)" project-jdk-type="Python SDK" />
+</project>

labs/L14/.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/L14.iml" filepath="$PROJECT_DIR$/.idea/L14.iml" />
+    </modules>
+  </component>
+</project>

labs/L14/.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>

labs/L14/client.py

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+import humansize
+
+
+def approximate_size(size):
+    """Returns the size of a file in a human-readable format where kilobytes are 1000 bytes
+
+    :param size: the size of a file
+    :return: string
+    """
+    return humansize.approximate_size(size, False)
+
+
+if __name__ == '__main__':  # pragma: no cover
+    print(approximate_size(1_000))
+    print(approximate_size(100_000_000))
+    print(approximate_size(1_000_000_000))

labs/L14/divisive.py

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+import math
+
+
+def fraction(a, b):
+    try:
+        return a / b
+    except ZeroDivisionError:
+        return math.nan

labs/L14/fizzbuzz.py

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+if __name__ == '__main__':
+    for i in range(1, 101):
+        if i % 3 == 0 and i % 5 == 0:
+            print("FizzBuzz")
+        elif i % 3 == 0:
+            print("Fizz")
+        elif i % 5 == 0:
+            print("Buzz")
+        else:
+            print(i)

labs/L14/humansize.py

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+"""Convert file sizes to human-readable form.
+
+Available functions:
+approximate_size(size, a_kilobyte_is_1024_bytes)
+    takes a file size and returns a human-readable string
+
+Examples:
+>>> approximate_size(1024)
+'1.0 KiB'
+>>> approximate_size(1000, False)
+'1.0 KB'
+
+"""
+
+SUFFIXES = {1000: ['KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'],
+            1024: ['KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB']}
+
+
+def approximate_size(size, a_kilobyte_is_1024_bytes=True):
+    """Convert a file size to human-readable form.
+
+    Keyword arguments:
+    size -- file size in bytes
+    a_kilobyte_is_1024_bytes -- if True (default), use multiples of 1024
+                                if False, use multiples of 1000
+
+    Returns: string
+
+    """
+    if size < 0:
+        raise ValueError('number must be non-negative')
+
+    multiple = 1024 if a_kilobyte_is_1024_bytes else 1000
+    for suffix in SUFFIXES[multiple]:
+        size /= multiple
+        if size < multiple:
+            return '{0:.1f} {1}'.format(size, suffix)
+
+    raise ValueError('number too large')
+
+
+if __name__ == '__main__':  # pragma: no cover
+    print(approximate_size(1000000000000, False))
+    print(approximate_size(1000000000000))
+
+# Copyright (c) 2009, Mark Pilgrim, All rights reserved.
+# 
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+# 
+# * Redistributions of source code must retain the above copyright notice,
+#   this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.

labs/L14/test_client.py

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+import pytest
+from client import approximate_size
+
+
+def test_1kb():
+    assert approximate_size(1_000) == "1.0 KB"
+
+
+def test_100mb():
+    assert approximate_size(100_000_000) == "100.0 MB"
+
+
+def test_1gb():
+    assert approximate_size(1_000_000_000) == "1.0 GB"
+
+
+def test_docstring():
+    assert approximate_size.__doc__ is not None

labs/L14/test_divisive.py

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+from divisive import fraction
+import math
+
+
+def test_fraction_int():
+    assert fraction(4, 2) == 2
+
+
+def test_fraction_NaN():
+    assert math.isnan(fraction(4, 0))

labs/L14/test_humansize.py

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+import pytest
+from humansize import approximate_size
+
+
+def test_1000():
+    assert approximate_size(1000000000000, False) == "1.0 TB"
+
+
+def test_1024():
+    assert approximate_size(1000000000000) == "931.3 GiB"
+
+
+def test_negative():
+    with pytest.raises(ValueError):
+        approximate_size(-1)
+
+
+def test_huge_number():
+    with pytest.raises(ValueError):
+        approximate_size(1_000_000_000_000_000_000_000_000_000_000)