Merge pull request #115 from revanth1718/main

Streamlit App for Depression Support  Issue no #99

chatbot_app/app.py

@@ -0,0 +1,96 @@
+import streamlit as st
+from dataclasses import dataclass
+from typing import Literal
+import streamlit.components.v1 as components
+from chatbot import ai_chatbot, load_dataset
+
+@dataclass
+class Message:
+    """Class for keeping track of a chat message."""
+    origin: Literal["human", "ai"]
+    message: str
+
+def load_css():
+    with open("styles.css") as f:
+        st.markdown(f"<style>{f.read()}</style>", unsafe_allow_html=True)
+
+def initialize_session_state():
+    if "history" not in st.session_state:
+        st.session_state.history = []
+    if "dataset" not in st.session_state:
+        st.session_state.dataset = load_dataset('therapy_dataset.csv')
+
+def on_click_callback():
+    user_prompt = st.session_state.human_prompt
+    if user_prompt.lower() in ["hello", "hello bot"]:
+        response = "Hello! How are you feeling today? Please tell me more about your feelings."
+    else:
+        response = ai_chatbot(user_prompt, st.session_state.dataset)
+        if response is None:
+            response = "I'm sorry, I don't understand. Can you please rephrase or provide more information?"
+    st.session_state.history.append(Message("human", user_prompt))
+    st.session_state.history.append(Message("ai", response))
+
+load_css()
+initialize_session_state()
+
+st.title("Depression Support Chatbot 🤖")
+
+chat_placeholder = st.container()
+prompt_placeholder = st.form("chat-form")
+
+with chat_placeholder:
+    for chat in st.session_state.history:
+        icon = "🤖" if chat.origin == 'ai' else "👤"
+        div = f"""
+<div class="chat-row 
+    {'' if chat.origin == 'ai' else 'row-reverse'}">
+    <div class="chat-icon">{icon}</div>
+    <div class="chat-bubble {'ai-bubble' if chat.origin == 'ai' else 'human-bubble'}">
+        &#8203;{chat.message}
+    </div>
+</div>
+        """
+        st.markdown(div, unsafe_allow_html=True)
+
+    for _ in range(3):
+        st.markdown("")
+
+with prompt_placeholder:
+    st.markdown("**Chat**")
+    cols = st.columns((7, 1))
+    cols[0].text_input(
+        "Chat",
+        value="Hello bot",  
+        label_visibility="collapsed",
+        key="human_prompt",
+    )
+    cols[1].form_submit_button(
+        "Submit", 
+        type="primary", 
+        on_click=on_click_callback, 
+    )
+
+components.html("""
+<script>
+const streamlitDoc = window.parent.document;
+
+const buttons = Array.from(
+    streamlitDoc.querySelectorAll('.stButton > button')
+);
+const submitButton = buttons.find(
+    el => el.innerText === 'Submit'
+);
+
+streamlitDoc.addEventListener('keydown', function(e) {
+    switch (e.key) {
+        case 'Enter':
+            submitButton.click();
+            break;
+    }
+});
+</script>
+""", 
+    height=0,
+    width=0,
+)

chatbot_app/chatbot.py

@@ -0,0 +1,51 @@
+
+import spacy
+import csv
+
+
+nlp = spacy.load("en_core_web_sm")
+
+memory = []
+
+def load_dataset(file_path):
+    dataset = []
+    with open(file_path, mode='r', encoding='utf-8') as file:
+        csv_reader = csv.reader(file)
+        next(csv_reader)  
+        for row in csv_reader:
+            if len(row) >= 2:
+                dataset.append((row[0], row[1]))
+    return dataset
+
+def find_closest_prompt(user_input, dataset):
+    input_doc = nlp(user_input)
+    closest_prompt = None
+    min_similarity = 0
+
+    for prompt, _ in dataset:
+        prompt_doc = nlp(prompt)
+        similarity = input_doc.similarity(prompt_doc)
+        if similarity > min_similarity:
+            min_similarity = similarity
+            closest_prompt = prompt
+
+    return closest_prompt
+
+def get_response(user_input, dataset):
+    closest_prompt = find_closest_prompt(user_input, dataset)
+
+    if closest_prompt is None:
+        return "I'm sorry, I don't understand. Can you please rephrase or provide more information?"
+
+    for prompt, response in dataset:
+        if prompt == closest_prompt:
+            return response
+
+def ai_chatbot(user_input, dataset):
+    global memory
+    if 'hello' in user_input.lower():
+        response = "Hello! How are you feeling today? Please tell me more about your feelings."
+    else:
+        response = get_response(user_input, dataset)
+    memory.append((user_input, response))
+    return response

chatbot_app/chatbot_env/Lib/site-packages/_distutils_hack/__init__.py

@@ -0,0 +1,222 @@
+# don't import any costly modules
+import sys
+import os
+
+
+is_pypy = '__pypy__' in sys.builtin_module_names
+
+
+def warn_distutils_present():
+    if 'distutils' not in sys.modules:
+        return
+    if is_pypy and sys.version_info < (3, 7):
+        # PyPy for 3.6 unconditionally imports distutils, so bypass the warning
+        # https://foss.heptapod.net/pypy/pypy/-/blob/be829135bc0d758997b3566062999ee8b23872b4/lib-python/3/site.py#L250
+        return
+    import warnings
+
+    warnings.warn(
+        "Distutils was imported before Setuptools, but importing Setuptools "
+        "also replaces the `distutils` module in `sys.modules`. This may lead "
+        "to undesirable behaviors or errors. To avoid these issues, avoid "
+        "using distutils directly, ensure that setuptools is installed in the "
+        "traditional way (e.g. not an editable install), and/or make sure "
+        "that setuptools is always imported before distutils."
+    )
+
+
+def clear_distutils():
+    if 'distutils' not in sys.modules:
+        return
+    import warnings
+
+    warnings.warn("Setuptools is replacing distutils.")
+    mods = [
+        name
+        for name in sys.modules
+        if name == "distutils" or name.startswith("distutils.")
+    ]
+    for name in mods:
+        del sys.modules[name]
+
+
+def enabled():
+    """
+    Allow selection of distutils by environment variable.
+    """
+    which = os.environ.get('SETUPTOOLS_USE_DISTUTILS', 'local')
+    return which == 'local'
+
+
+def ensure_local_distutils():
+    import importlib
+
+    clear_distutils()
+
+    # With the DistutilsMetaFinder in place,
+    # perform an import to cause distutils to be
+    # loaded from setuptools._distutils. Ref #2906.
+    with shim():
+        importlib.import_module('distutils')
+
+    # check that submodules load as expected
+    core = importlib.import_module('distutils.core')
+    assert '_distutils' in core.__file__, core.__file__
+    assert 'setuptools._distutils.log' not in sys.modules
+
+
+def do_override():
+    """
+    Ensure that the local copy of distutils is preferred over stdlib.
+
+    See https://github.com/pypa/setuptools/issues/417#issuecomment-392298401
+    for more motivation.
+    """
+    if enabled():
+        warn_distutils_present()
+        ensure_local_distutils()
+
+
+class _TrivialRe:
+    def __init__(self, *patterns):
+        self._patterns = patterns
+
+    def match(self, string):
+        return all(pat in string for pat in self._patterns)
+
+
+class DistutilsMetaFinder:
+    def find_spec(self, fullname, path, target=None):
+        # optimization: only consider top level modules and those
+        # found in the CPython test suite.
+        if path is not None and not fullname.startswith('test.'):
+            return
+
+        method_name = 'spec_for_{fullname}'.format(**locals())
+        method = getattr(self, method_name, lambda: None)
+        return method()
+
+    def spec_for_distutils(self):
+        if self.is_cpython():
+            return
+
+        import importlib
+        import importlib.abc
+        import importlib.util
+
+        try:
+            mod = importlib.import_module('setuptools._distutils')
+        except Exception:
+            # There are a couple of cases where setuptools._distutils
+            # may not be present:
+            # - An older Setuptools without a local distutils is
+            #   taking precedence. Ref #2957.
+            # - Path manipulation during sitecustomize removes
+            #   setuptools from the path but only after the hook
+            #   has been loaded. Ref #2980.
+            # In either case, fall back to stdlib behavior.
+            return
+
+        class DistutilsLoader(importlib.abc.Loader):
+            def create_module(self, spec):
+                mod.__name__ = 'distutils'
+                return mod
+
+            def exec_module(self, module):
+                pass
+
+        return importlib.util.spec_from_loader(
+            'distutils', DistutilsLoader(), origin=mod.__file__
+        )
+
+    @staticmethod
+    def is_cpython():
+        """
+        Suppress supplying distutils for CPython (build and tests).
+        Ref #2965 and #3007.
+        """
+        return os.path.isfile('pybuilddir.txt')
+
+    def spec_for_pip(self):
+        """
+        Ensure stdlib distutils when running under pip.
+        See pypa/pip#8761 for rationale.
+        """
+        if self.pip_imported_during_build():
+            return
+        clear_distutils()
+        self.spec_for_distutils = lambda: None
+
+    @classmethod
+    def pip_imported_during_build(cls):
+        """
+        Detect if pip is being imported in a build script. Ref #2355.
+        """
+        import traceback
+
+        return any(
+            cls.frame_file_is_setup(frame) for frame, line in traceback.walk_stack(None)
+        )
+
+    @staticmethod
+    def frame_file_is_setup(frame):
+        """
+        Return True if the indicated frame suggests a setup.py file.
+        """
+        # some frames may not have __file__ (#2940)
+        return frame.f_globals.get('__file__', '').endswith('setup.py')
+
+    def spec_for_sensitive_tests(self):
+        """
+        Ensure stdlib distutils when running select tests under CPython.
+
+        python/cpython#91169
+        """
+        clear_distutils()
+        self.spec_for_distutils = lambda: None
+
+    sensitive_tests = (
+        [
+            'test.test_distutils',
+            'test.test_peg_generator',
+            'test.test_importlib',
+        ]
+        if sys.version_info < (3, 10)
+        else [
+            'test.test_distutils',
+        ]
+    )
+
+
+for name in DistutilsMetaFinder.sensitive_tests:
+    setattr(
+        DistutilsMetaFinder,
+        f'spec_for_{name}',
+        DistutilsMetaFinder.spec_for_sensitive_tests,
+    )
+
+
+DISTUTILS_FINDER = DistutilsMetaFinder()
+
+
+def add_shim():
+    DISTUTILS_FINDER in sys.meta_path or insert_shim()
+
+
+class shim:
+    def __enter__(self):
+        insert_shim()
+
+    def __exit__(self, exc, value, tb):
+        remove_shim()
+
+
+def insert_shim():
+    sys.meta_path.insert(0, DISTUTILS_FINDER)
+
+
+def remove_shim():
+    try:
+        sys.meta_path.remove(DISTUTILS_FINDER)
+    except ValueError:
+        pass

chatbot_app/chatbot_env/Lib/site-packages/_distutils_hack/override.py

@@ -0,0 +1 @@
+__import__('_distutils_hack').do_override()

chatbot_app/chatbot_env/Lib/site-packages/distutils-precedence.pth

@@ -0,0 +1 @@
+import os; var = 'SETUPTOOLS_USE_DISTUTILS'; enabled = os.environ.get(var, 'local') == 'local'; enabled and __import__('_distutils_hack').add_shim();