pcewebpython · mgummel25 · Sep 4, 2020 · Sep 4, 2020 · Sep 7, 2020 · Sep 7, 2020
diff --git a/.DS_Store b/.DS_Store
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,132 @@
+# Byte-compiled / optimized / DLL files
+passwords.txt
+**passwords.txt
+**/.idea/*
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
diff --git a/flexible_web_server/main.py b/flexible_web_server/main.py
@@ -4,53 +4,80 @@
     import socket
 
 response_404 = """HTTP/1.0 404 NOT FOUND
-
 <h1>404 Not Found</h1>
 """
 
 response_500 = """HTTP/1.0 500 INTERNAL SERVER ERROR
-
 <h1>500 Internal Server Error</h1>
 """
-
 response_template = """HTTP/1.0 200 OK
 
 %s
 """
-
 import machine
 import ntptime, utime
 from machine import RTC
 from time import sleep
 
+seconds = ntptime.time()
 rtc = RTC()
-try:
-    seconds = ntptime.time()
-except:
-    seconds = 0
 rtc.datetime(utime.localtime(seconds))
 
+adc = machine.ADC(0)
+pin = machine.Pin(16, machine.Pin.OUT)
+switch_pin = machine.Pin(10, machine.Pin.IN)
+
+
 def time():
     body = """<html>
-<body>
-<h1>Time</h1>
-<p>%s</p>
-</body>
-</html>
-""" % str(rtc.datetime())
+ <body>
+ <h1>Time</h1>
+ <p>%s</p>
+ </body>
+ </html>
+    """ % str(rtc.datetime())
 
     return response_template % body
 
+
 def dummy():
     body = "This is a dummy endpoint"
 
     return response_template % body
 
+
+def light():
+    body = "{value: " + adc.read() + "}"
+    return response_template % body
+
+
+def switch():
+    body = "{state: " + switch_pin.value() + "}"
+    return response_template % body
+
+
+def light_on():
+     pin.value(0)
+     body = "You turned a light on!"
+     return response_template % body
+
+
+def light_off():
+     pin.value(1)
+     body = "You turned a light off!"
+     return response_template % body
+
+
 handlers = {
     'time': time,
     'dummy': dummy,
+    'light_on': light_on,
+    'light_off': light_off,
+    'light': light,
+    'switch': switch,
 }
 
+
 def main():
     s = socket.socket()
     ai = socket.getaddrinfo("0.0.0.0", 8080)
@@ -60,7 +87,7 @@ def main():
 
     s.bind(addr)
     s.listen(5)
-    print("Listening, connect your browser to http://<this_host>:8080")
+    print("Listening, connect your browser to http://<this_host>:8080/")
 
     while True:
         sleep(1)
@@ -70,9 +97,12 @@ def main():
         req = client_s.recv(4096)
         print("Request:")
         print(req)
-
         try:
+            # The first line of a request looks like "GET /arbitrary/path/ HTTP/1.1".
+            # This grabs that first line and whittles it down to just "/arbitrary/path/"
             path = req.decode().split("\r\n")[0].split(" ")[1]
+
+            # Given the path, identify the correct handler to use
             handler = handlers[path.strip('/').split('/')[0]]
             response = handler()
         except KeyError:
@@ -81,9 +111,12 @@ def main():
             response = response_500
             print(str(e))
 
+        # A handler returns an entire response in the form of a multi-line string.
+        # This breaks up the response into single strings, byte-encodes them, and
+        # joins them back together with b"\r\n". Then it sends that to the client.
         client_s.send(b"\r\n".join([line.encode() for line in response.split("\n")]))
 
         client_s.close()
         print()
 
-main()
+main()
diff --git a/passwords.txt b/passwords.txt