Update app.py
Browse files
app.py
CHANGED
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@@ -26,23 +26,29 @@ for package in ['words', 'stopwords', 'averaged_perceptron_tagger', 'punkt']:
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STOPWORDS = set(stopwords.words('english'))
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stemmer = PorterStemmer()
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# ---
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SKILL_WHITELIST = {
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'python', 'java', 'c++', 'javascript', 'typescript', 'sql', 'nosql', 'html', 'css', 'react', 'angular', 'vue',
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'nodejs', 'django', 'flask', 'fastapi', 'spring boot', 'ruby on rails', 'php', 'swift', 'kotlin', 'dart', 'flutter',
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'machine learning', 'deep learning', 'tensorflow', 'pytorch', 'keras', 'scikit-learn', 'pandas', 'numpy', 'matplotlib',
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'natural language processing', 'nlp', 'computer vision', 'data analysis', 'data science', 'data engineering',
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'big data', 'spark', 'hadoop', 'kafka', 'data visualization', 'tableau', 'power bi', 'd3.js', 'statistics',
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'aws', 'azure', 'google cloud', 'gcp', 'docker', 'kubernetes', 'terraform', 'ansible', 'ci/cd', 'jenkins',
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'git', 'github', 'devops', 'linux', 'unix', 'shell scripting', 'powershell', 'cybersecurity', 'penetration testing',
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'network security', 'cryptography', 'blockchain', '
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'leadership', 'stakeholder communication', 'client communication', 'teamwork', 'collaboration', 'problem solving',
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'
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'
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'graphql', 'microservices', 'serverless', 'system design', 'saas', 'sales', 'marketing', 'seo', 'sem', 'content writing',
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'customer support', 'technical writing', 'sap', 'oracle', 'financial analysis', 'budgeting', 'mentoring', 'supervising'
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}
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#
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# --- GLOBAL STATE & DATA ---
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original_df = None
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@@ -63,22 +69,6 @@ def _norm_skill_token(s: str) -> str:
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s = re.sub(r'\s+', ' ', s)
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return s
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def _skill_match(token1: str, token2: str, threshold: float = 0.9) -> bool:
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t1 = _norm_skill_token(token1)
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t2 = _norm_skill_token(token2)
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if t1 == t2 or t1 in t2 or t2 in t1:
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return True
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try:
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if len(t1) > 2 and len(t2) > 2:
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vectorizer = TfidfVectorizer().fit([t1, t2])
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vectors = vectorizer.transform([t1, t2])
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similarity = cosine_similarity(vectors)[0, 1]
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if similarity >= threshold:
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return True
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except:
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pass
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return False
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def build_known_vocabulary(df: pd.DataFrame):
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global KNOWN_WORDS
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english_words = set(w.lower() for w in words.words())
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@@ -147,56 +137,83 @@ def find_job_matches(original_user_query: str, expanded_user_query: str, top_k:
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final_results_df = final_results_df.set_index('job_id', drop=False).rename(columns={'job_id': 'Job ID'})
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return final_results_df
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ranked_df = df_to_rank.copy()
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if 'Skills' not in ranked_df.columns:
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ranked_df[['Skill Matches', 'Skill Match Count', 'Skill Match Score']] = results
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ranked_df = ranked_df.sort_values(by=['Skill Match Score', 'Similarity Score'], ascending=[False, False]).reset_index(drop=True)
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return ranked_df.set_index('Job ID', drop=False).rename_axis(None)
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def initialize_data_and_model():
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global original_df, combined_df, model, combined_job_embeddings, original_job_title_embeddings
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PROCESSED_DATA_PATH = "processed_jobs_with_skills.parquet"
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print("--- Initializing LLM Client ---")
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if not initialize_llm_client():
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print("Warning: LLM Client failed to initialize. Will use NLTK only for skills.")
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if os.path.exists(PROCESSED_DATA_PATH):
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print(f"--- Loading pre-processed data from {PROCESSED_DATA_PATH} ---")
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original_df = pd.read_parquet(PROCESSED_DATA_PATH)
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else:
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print("--- No pre-processed data found. Starting one-time processing... ---")
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ds = datasets.load_dataset("its-zion-18/Jobs-tabular-dataset")
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original_df = ds["original"].to_pandas()
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# --- Method 1: LLM-based extraction with FEW-SHOT PROMPT ---
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def extract_skills_llm(text: str) -> list[str]:
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if not isinstance(text, str) or len(text.strip()) < 20 or not LLM_PIPELINE:
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return []
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prompt = f"""
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Instruct: You are an expert technical recruiter. Extract the key skills from the job description text. List technical and soft skills as a comma-separated string.
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[Example 1]
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Text: "Requires 3+ years of experience in cloud infrastructure. Must be proficient in AWS, particularly EC2 and S3. Experience with Terraform for IaC is a plus."
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Extracted Skills: cloud infrastructure, aws, ec2, s3, terraform, infrastructure as code
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[Example 2]
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Text: "Seeking a team lead with strong project management abilities. Must communicate effectively with stakeholders and manage timelines using Agile methodologies like Scrum."
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Extracted Skills: project management, leadership, stakeholder communication, agile, scrum
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[Actual Task]
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Text: "{text}"
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Extracted Skills:
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@@ -207,10 +224,8 @@ Extracted Skills:
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skills_part = generated_text.split("Extracted Skills:")[-1].strip()
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skills = [skill.strip() for skill in skills_part.split(',') if skill.strip()]
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return list(dict.fromkeys(s.lower() for s in skills))
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except Exception:
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return []
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# --- Method 2: NLTK fallback with SKILL WHITELIST validation ---
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def extract_skills_nltk(text: str) -> list[str]:
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if not isinstance(text, str): return []
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text_lower = text.lower()
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@@ -219,23 +234,18 @@ Extracted Skills:
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tokens = nltk.word_tokenize(text_lower)
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tagged_tokens = nltk.pos_tag(tokens)
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chunked_text = chunk_parser.parse(tagged_tokens)
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potential_skills = set()
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for subtree in chunked_text.subtrees():
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if subtree.label() == 'NP':
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phrase = " ".join(word for word, tag in subtree.leaves())
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normalized_phrase = _norm_skill_token(phrase)
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# The key change: only add the phrase if it's in our known skill list
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if normalized_phrase in SKILL_WHITELIST:
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potential_skills.add(normalized_phrase)
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return sorted(list(potential_skills))
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# --- Hybrid Orchestrator: MERGE LLM and NLTK results for best coverage ---
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def extract_skills_hybrid(text: str) -> list[str]:
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llm_skills = extract_skills_llm(text)
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nltk_skills = extract_skills_nltk(text)
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# Combine the results and remove duplicates
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combined_skills = set(llm_skills) | set(nltk_skills)
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return sorted(list(combined_skills))
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@@ -243,7 +253,6 @@ Extracted Skills:
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return " ".join([str(s) for s in [row.get("Job title"), row.get("Duties"), row.get("qualifications"), row.get("Description")] if pd.notna(s)])
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original_df["text_for_skills"] = original_df.apply(create_text_for_skills, axis=1)
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print("--- Extracting skills with HYBRID ACCURACY model. Please wait... ---")
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original_df['Skills'] = original_df['text_for_skills'].progress_apply(extract_skills_hybrid)
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original_df = original_df.drop(columns=['text_for_skills'])
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print(f"--- Saving processed data to {PROCESSED_DATA_PATH} for faster future startups ---")
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original_df.to_parquet(PROCESSED_DATA_PATH)
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# --- Continue with the rest of the data processing ---
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original_df['job_id'] = original_df.index
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def create_full_text(row):
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return " ".join([str(s) for s in [row.get("Job title"), row.get("Company"), row.get("Duties"), row.get("qualifications"), row.get("Description")]])
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@@ -280,7 +288,6 @@ def _course_links_for(skill: str) -> str:
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links = [("Coursera", f"https://www.coursera.org/search?query={q}"), ("edX", f"https://www.edx.org/search?q={q}"), ("Udemy", f"https://www.udemy.com/courses/search/?q={q}"), ("YouTube", f"https://www.youtube.com/results?search_query={q}+tutorial")]
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return " • ".join([f'<a href="{u}" target="_blank" style="color: #007bff;">{name}</a>' for name, u in links])
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# --- GRADIO INTERFACE FUNCTIONS (No changes needed below this line) ---
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def get_job_matches(dream_job: str, top_n: int, skills_text: str):
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status = "Searching using hybrid model..."
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expanded_desc = llm_expand_query(dream_job)
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@@ -291,29 +298,22 @@ def get_job_matches(dream_job: str, top_n: int, skills_text: str):
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display_df = score_jobs_by_skills(user_skills, emb_matches)
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else:
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display_df = emb_matches
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display_df = display_df.head(top_n)
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if user_skills:
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status = f"Found and **re-ranked** results by your {len(user_skills)} skills. Displaying top {len(display_df)}."
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else:
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status = f"Found {len(display_df)} top matches using semantic search."
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table_to_show = display_df[['job_title', 'company', 'Similarity Score']]
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if 'Skill Match Score' in display_df.columns:
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table_to_show['Skill Match Score'] = display_df['Skill Match Score']
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dropdown_options = [(f"{i+1}. {row['job_title']} - {row['company']}", row.name) for i, row in display_df.iterrows()]
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dropdown_value = dropdown_options[0][1] if dropdown_options else None
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return status, emb_matches, table_to_show, gr.Dropdown(choices=dropdown_options, value=dropdown_value, visible=True), gr.Accordion(visible=True)
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def rerank_current_results(initial_matches_df, skills_text, top_n):
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if initial_matches_df is None or pd.DataFrame(initial_matches_df).empty:
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return "Please find matches first before re-ranking.", pd.DataFrame(), gr.Dropdown(visible=False)
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initial_matches_df = pd.DataFrame(initial_matches_df)
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user_skills = [_norm_skill_token(s) for s in skills_text.split(',') if _norm_skill_token(s)]
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if not user_skills:
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status = "Skills cleared. Showing original semantic search results."
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status = f"Results **re-ranked** based on your {len(user_skills)} skills."
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display_df = ranked_df.head(top_n)
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table_to_show = display_df[['job_title', 'company', 'Similarity Score', 'Skill Match Score']]
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dropdown_options = [(f"{i+1}. {row['job_title']} - {row['company']}", row.name) for i, row in display_df.iterrows()]
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dropdown_value = dropdown_options[0][1] if dropdown_options else None
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return status, table_to_show, gr.Dropdown(choices=dropdown_options, value=dropdown_value, visible=True)
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word_list_html = ", ".join([f"<b><span style='color: #F87171;'>{w}</span></b>" for w in unrecognized_words])
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alert_message = f"<b><span style='color: #F87171;'>⚠️ Possible Spelling Error:</span></b> Unrecognized: {word_list_html}."
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return "Status: Awaiting confirmation.", None, pd.DataFrame(), gr.Dropdown(visible=False), gr.Accordion(visible=False), gr.Markdown(alert_message, visible=True), gr.Row(visible=True)
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status, emb_matches, table_to_show, dropdown, details_accordion = get_job_matches(dream_job, top_n, skills_text)
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return status, emb_matches, table_to_show, dropdown, details_accordion, gr.Markdown(visible=False), gr.Row(visible=False)
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return status, emb_matches, table_to_show, dropdown, details_accordion, gr.Markdown(visible=False), gr.Row(visible=False)
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def on_select_job(job_id, skills_text):
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if job_id is None:
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return "", "", "", "", "", gr.Accordion(visible=False), [], 0, gr.Button(visible=False)
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row = original_df.loc[job_id]
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title, company = str(row.get("job_title", "")), str(row.get("company", ""))
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job_details_markdown = f"### {title} — {company}"
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duties, qualifications, description = str(row.get('Duties', '')), str(row.get('qualifications', '')), str(row.get('Description', ''))
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user_skills = [_norm_skill_token(s) for s in skills_text.split(',') if _norm_skill_token(s)]
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job_skills = row.get("Skills", [])
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if not job_skills:
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learning_plan_html = "<p><i>No specific skills could be extracted for this job.</i></p>"
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return job_details_markdown, duties, qualifications, description, learning_plan_html, gr.Accordion(visible=True), [], 0, gr.Button(visible=False)
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all_missing_skills = sorted([s for s in job_skills if not any(_skill_match(ut, s) for ut in user_skills)], key=lambda x: x.lower())
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if not all_missing_skills:
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learning_plan_html = "<h4 style='color:green;'>🎉 You have all the required skills!</h4>"
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return job_details_markdown, duties, qualifications, description, learning_plan_html, gr.Accordion(visible=True), [], 0, gr.Button(visible=False)
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if user_skills:
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job_details_markdown += f"\n**Your skill match:** {score_val:.1%}"
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headline = "<b>Great fit!</b>" if score_val >= 0.8 else "<b>Good progress!</b>" if score_val >= 0.5 else "<b>Solid starting point.</b>"
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learning_plan_html = f"<h4>{headline} Focus on these skills to improve your match:</h4>"
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skills_to_display = all_missing_skills[:5]
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items_html = [f"<li><b>{ms}</b><br>• Learn: {_course_links_for(ms)}</li>" for ms in skills_to_display]
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learning_plan_html += f"<ul style='list-style-type: none; padding-left: 0;'>{''.join(items_html)}</ul>"
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return job_details_markdown, duties, qualifications, description, learning_plan_html, gr.Accordion(visible=True), [], 0, gr.Button(visible=False)
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else:
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headline = "<h4>To be a good fit for this role, you'll need to learn these skills:</h4>"
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skills_to_display =
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items_html = [f"<li><b>{ms}</b><br>• Learn: {_course_links_for(ms)}</li>" for ms in skills_to_display]
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learning_plan_html = f"{headline}<ul style='list-style-type: none; padding-left: 0;'>{''.join(items_html)}</ul>"
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full_skill_list_for_state = all_missing_skills
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new_offset = len(skills_to_display)
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should_button_be_visible = len(
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return job_details_markdown, duties, qualifications, description, learning_plan_html, gr.Accordion(visible=True), full_skill_list_for_state, new_offset, gr.Button(visible=should_button_be_visible)
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def load_more_skills(full_skills_list, current_offset):
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SKILLS_INCREMENT = 5
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new_offset = current_offset + SKILLS_INCREMENT
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skills_to_display = full_skills_list[:new_offset]
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items_html = [f"<li><b>{ms}</b><br>• Learn: {_course_links_for(ms)}</li>" for ms in skills_to_display]
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learning_plan_html = f"<h4>To be a good fit for this role, you'll need to learn these skills:</h4><ul style='list-style-type: none; padding-left: 0;'>{''.join(items_html)}</ul>"
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should_button_be_visible = new_offset < len(full_skills_list)
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return learning_plan_html, new_offset, gr.Button(visible=should_button_be_visible)
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def on_reset():
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return ("", 3, "", pd.DataFrame(), None, gr.Dropdown(visible=False), gr.Accordion(visible=False), "Status: Ready.", "", "", "", "", gr.Markdown(visible=False), gr.Row(visible=False), [], 0, gr.Button(visible=False))
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# --- Run Initialization ---
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print("Starting application initialization...")
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initialization_status = initialize_data_and_model()
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print(initialization_status)
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# --- Gradio Interface Definition ---
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with gr.Blocks(theme=gr.themes.Soft()) as ui:
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gr.Markdown("# Hybrid Career Planner & Skill Gap Analyzer")
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initial_matches_state = gr.State()
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missing_skills_state = gr.State([])
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skills_offset_state = gr.State(0)
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-
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with gr.Row():
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with gr.Column(scale=3):
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dream_text = gr.Textbox(label='Your Dream Job Description', lines=3, placeholder="e.g., 'A role in a tech startup focused on machine learning...'")
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topk_slider = gr.Slider(minimum=1, maximum=5, value=3, step=1, label="Number of Matches")
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search_btn = gr.Button("Find Matches", variant="primary")
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reset_btn = gr.Button("Reset All")
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status_text = gr.Markdown("Status: Ready.")
|
| 434 |
spelling_alert = gr.Markdown(visible=False)
|
| 435 |
with gr.Row(visible=False) as spelling_row:
|
| 436 |
search_anyway_btn = gr.Button("Search Anyway", variant="secondary")
|
| 437 |
retype_btn = gr.Button("Let Me Fix It", variant="stop")
|
| 438 |
-
|
| 439 |
df_output = gr.DataFrame(label="Job Matches", interactive=False)
|
| 440 |
job_selector = gr.Dropdown(label="Select a job to see more details & learning plan:", visible=False)
|
| 441 |
-
|
| 442 |
with gr.Accordion("Job Details & Learning Plan", open=False, visible=False) as details_accordion:
|
| 443 |
job_details_markdown = gr.Markdown()
|
| 444 |
-
|
| 445 |
with gr.Tabs():
|
| 446 |
-
with gr.TabItem("Duties"):
|
| 447 |
-
|
| 448 |
-
with gr.TabItem("
|
| 449 |
-
qualifications_markdown = gr.Markdown()
|
| 450 |
-
with gr.TabItem("Full Description"):
|
| 451 |
-
description_markdown = gr.Markdown()
|
| 452 |
-
|
| 453 |
learning_plan_output = gr.HTML(label="Learning Plan")
|
| 454 |
load_more_btn = gr.Button("Load More Skills", visible=False)
|
| 455 |
-
|
| 456 |
-
|
| 457 |
-
|
| 458 |
-
|
| 459 |
-
|
| 460 |
-
|
| 461 |
-
)
|
| 462 |
-
search_anyway_btn.click(
|
| 463 |
-
fn=find_matches_and_rank_anyway,
|
| 464 |
-
inputs=[dream_text, topk_slider, skills_text],
|
| 465 |
-
outputs=[status_text, initial_matches_state, df_output, job_selector, details_accordion, spelling_alert, spelling_row]
|
| 466 |
-
)
|
| 467 |
-
retype_btn.click(
|
| 468 |
-
lambda: ("Status: Ready for you to retype.", None, pd.DataFrame(), gr.Dropdown(visible=False), gr.Accordion(visible=False), gr.Markdown(visible=False), gr.Row(visible=False)),
|
| 469 |
-
outputs=[status_text, initial_matches_state, df_output, job_selector, details_accordion, spelling_alert, spelling_row]
|
| 470 |
-
)
|
| 471 |
-
reset_btn.click(
|
| 472 |
-
fn=on_reset,
|
| 473 |
-
outputs=[dream_text, topk_slider, skills_text, df_output, initial_matches_state, job_selector, details_accordion, status_text, job_details_markdown, duties_markdown, qualifications_markdown, description_markdown, spelling_alert, spelling_row, missing_skills_state, skills_offset_state, load_more_btn],
|
| 474 |
-
queue=False
|
| 475 |
-
)
|
| 476 |
-
rerank_btn.click(
|
| 477 |
-
fn=rerank_current_results,
|
| 478 |
-
inputs=[initial_matches_state, skills_text, topk_slider],
|
| 479 |
-
outputs=[status_text, df_output, job_selector]
|
| 480 |
-
)
|
| 481 |
-
job_selector.change(
|
| 482 |
-
fn=on_select_job,
|
| 483 |
-
inputs=[job_selector, skills_text],
|
| 484 |
-
outputs=[job_details_markdown, duties_markdown, qualifications_markdown, description_markdown, learning_plan_output, details_accordion, missing_skills_state, skills_offset_state, load_more_btn]
|
| 485 |
-
)
|
| 486 |
-
load_more_btn.click(
|
| 487 |
-
fn=load_more_skills,
|
| 488 |
-
inputs=[missing_skills_state, skills_offset_state],
|
| 489 |
-
outputs=[learning_plan_output, skills_offset_state, load_more_btn]
|
| 490 |
-
)
|
| 491 |
|
| 492 |
ui.launch()
|
|
|
|
| 26 |
STOPWORDS = set(stopwords.words('english'))
|
| 27 |
stemmer = PorterStemmer()
|
| 28 |
|
| 29 |
+
# --- EXPANDED: Skill Whitelist with more business, finance, and consulting terms ---
|
| 30 |
SKILL_WHITELIST = {
|
| 31 |
+
# Technical & Data
|
| 32 |
'python', 'java', 'c++', 'javascript', 'typescript', 'sql', 'nosql', 'html', 'css', 'react', 'angular', 'vue',
|
| 33 |
'nodejs', 'django', 'flask', 'fastapi', 'spring boot', 'ruby on rails', 'php', 'swift', 'kotlin', 'dart', 'flutter',
|
| 34 |
'machine learning', 'deep learning', 'tensorflow', 'pytorch', 'keras', 'scikit-learn', 'pandas', 'numpy', 'matplotlib',
|
| 35 |
'natural language processing', 'nlp', 'computer vision', 'data analysis', 'data science', 'data engineering',
|
| 36 |
+
'big data', 'spark', 'hadoop', 'kafka', 'data visualization', 'tableau', 'power bi', 'd3.js', 'statistics', 'analytics',
|
| 37 |
'aws', 'azure', 'google cloud', 'gcp', 'docker', 'kubernetes', 'terraform', 'ansible', 'ci/cd', 'jenkins',
|
| 38 |
'git', 'github', 'devops', 'linux', 'unix', 'shell scripting', 'powershell', 'cybersecurity', 'penetration testing',
|
| 39 |
+
'network security', 'cryptography', 'blockchain', 'c#', '.net', 'sql server', 'mysql', 'postgresql', 'mongodb', 'redis',
|
| 40 |
+
'elasticsearch', 'api design', 'rest apis', 'graphql', 'microservices', 'serverless', 'system design', 'saas',
|
| 41 |
+
# Business & Consulting
|
| 42 |
+
'agile', 'scrum', 'project management', 'product management', 'consulting', 'client management', 'business development',
|
| 43 |
+
'strategy', 'stakeholder management', 'risk management', 'compliance', 'aml', 'kyc', 'reinsurance', 'finance',
|
| 44 |
+
'financial modeling', 'financial analysis', 'due diligence', 'sourcing', 'procurement', 'negotiation', 'supply chain',
|
| 45 |
+
'business analysis', 'business intelligence', 'presentations', 'public speaking', 'time management', 'critical thinking',
|
| 46 |
+
# Soft & Other
|
| 47 |
'leadership', 'stakeholder communication', 'client communication', 'teamwork', 'collaboration', 'problem solving',
|
| 48 |
+
'ui/ux design', 'figma', 'sketch', 'adobe xd', 'graphic design', 'autocad', 'solidworks', 'sales', 'marketing',
|
| 49 |
+
'seo', 'sem', 'content writing', 'customer support', 'technical writing', 'sap', 'oracle', 'budgeting', 'mentoring', 'supervising'
|
|
|
|
|
|
|
| 50 |
}
|
| 51 |
+
# --------------------------------------------------------------------------------
|
| 52 |
|
| 53 |
# --- GLOBAL STATE & DATA ---
|
| 54 |
original_df = None
|
|
|
|
| 69 |
s = re.sub(r'\s+', ' ', s)
|
| 70 |
return s
|
| 71 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 72 |
def build_known_vocabulary(df: pd.DataFrame):
|
| 73 |
global KNOWN_WORDS
|
| 74 |
english_words = set(w.lower() for w in words.words())
|
|
|
|
| 137 |
final_results_df = final_results_df.set_index('job_id', drop=False).rename(columns={'job_id': 'Job ID'})
|
| 138 |
return final_results_df
|
| 139 |
|
| 140 |
+
# --- REWRITTEN: Skill scoring function using semantic similarity ---
|
| 141 |
+
def score_jobs_by_skills(user_skills: list[str], df_to_rank: pd.DataFrame) -> pd.DataFrame:
|
| 142 |
+
if df_to_rank is None or df_to_rank.empty or not user_skills:
|
| 143 |
+
return df_to_rank.sort_values(by='Similarity Score', ascending=False) if df_to_rank is not None else pd.DataFrame()
|
| 144 |
+
|
| 145 |
ranked_df = df_to_rank.copy()
|
| 146 |
+
if 'Skills' not in ranked_df.columns:
|
| 147 |
+
return ranked_df.sort_values(by='Similarity Score', ascending=False)
|
| 148 |
+
|
| 149 |
+
# 1. Encode all user skills and all unique job skills across the dataframe ONCE for efficiency
|
| 150 |
+
user_skill_embeddings = model.encode(user_skills, convert_to_tensor=True)
|
| 151 |
+
all_job_skills = sorted(list(set(skill for skills_list in ranked_df['Skills'] if skills_list for skill in skills_list)))
|
| 152 |
+
|
| 153 |
+
if not all_job_skills: # No skills to compare against
|
| 154 |
+
ranked_df['Skill Match Score'] = 0.0
|
| 155 |
+
return ranked_df
|
| 156 |
+
|
| 157 |
+
job_skill_embeddings = model.encode(all_job_skills, convert_to_tensor=True)
|
| 158 |
+
|
| 159 |
+
# 2. Calculate the similarity matrix between every user skill and every job skill
|
| 160 |
+
similarity_matrix = util.cos_sim(user_skill_embeddings, job_skill_embeddings)
|
| 161 |
+
|
| 162 |
+
# 3. Define the new scoring function
|
| 163 |
+
def calculate_semantic_match(row, threshold=0.55):
|
| 164 |
+
job_skills_list = row.get('Skills', [])
|
| 165 |
+
if not job_skills_list:
|
| 166 |
+
return [], 0, 0.0
|
| 167 |
+
|
| 168 |
+
matched_skills_in_job = set()
|
| 169 |
+
for job_skill in job_skills_list:
|
| 170 |
+
try:
|
| 171 |
+
# Find which column in the matrix corresponds to the current job skill
|
| 172 |
+
job_skill_idx = all_job_skills.index(job_skill)
|
| 173 |
+
# Check if ANY of the user's skills meet the similarity threshold for this job skill
|
| 174 |
+
if torch.any(similarity_matrix[:, job_skill_idx] > threshold):
|
| 175 |
+
matched_skills_in_job.add(job_skill)
|
| 176 |
+
except (ValueError, IndexError):
|
| 177 |
+
continue
|
| 178 |
+
|
| 179 |
+
total_required = len(job_skills_list)
|
| 180 |
+
match_score = len(matched_skills_in_job) / total_required if total_required > 0 else 0.0
|
| 181 |
+
return list(matched_skills_in_job), len(matched_skills_in_job), match_score
|
| 182 |
+
|
| 183 |
+
# 4. Apply the new scoring function to each row
|
| 184 |
+
results = ranked_df.apply(lambda row: calculate_semantic_match(row), axis=1, result_type='expand')
|
| 185 |
ranked_df[['Skill Matches', 'Skill Match Count', 'Skill Match Score']] = results
|
| 186 |
+
|
| 187 |
+
# 5. Sort by the new graded score
|
| 188 |
ranked_df = ranked_df.sort_values(by=['Skill Match Score', 'Similarity Score'], ascending=[False, False]).reset_index(drop=True)
|
| 189 |
return ranked_df.set_index('Job ID', drop=False).rename_axis(None)
|
| 190 |
+
# ----------------------------------------------------------------------
|
| 191 |
|
| 192 |
def initialize_data_and_model():
|
| 193 |
global original_df, combined_df, model, combined_job_embeddings, original_job_title_embeddings
|
|
|
|
| 194 |
PROCESSED_DATA_PATH = "processed_jobs_with_skills.parquet"
|
| 195 |
|
| 196 |
print("--- Initializing LLM Client ---")
|
| 197 |
+
if not initialize_llm_client(): print("Warning: LLM Client failed to initialize. Will use NLTK only for skills.")
|
|
|
|
| 198 |
|
| 199 |
if os.path.exists(PROCESSED_DATA_PATH):
|
| 200 |
print(f"--- Loading pre-processed data from {PROCESSED_DATA_PATH} ---")
|
| 201 |
original_df = pd.read_parquet(PROCESSED_DATA_PATH)
|
| 202 |
else:
|
| 203 |
print("--- No pre-processed data found. Starting one-time processing... ---")
|
|
|
|
| 204 |
ds = datasets.load_dataset("its-zion-18/Jobs-tabular-dataset")
|
| 205 |
original_df = ds["original"].to_pandas()
|
| 206 |
|
|
|
|
| 207 |
def extract_skills_llm(text: str) -> list[str]:
|
| 208 |
+
if not isinstance(text, str) or len(text.strip()) < 20 or not LLM_PIPELINE: return []
|
|
|
|
|
|
|
| 209 |
prompt = f"""
|
| 210 |
Instruct: You are an expert technical recruiter. Extract the key skills from the job description text. List technical and soft skills as a comma-separated string.
|
|
|
|
| 211 |
[Example 1]
|
| 212 |
Text: "Requires 3+ years of experience in cloud infrastructure. Must be proficient in AWS, particularly EC2 and S3. Experience with Terraform for IaC is a plus."
|
| 213 |
Extracted Skills: cloud infrastructure, aws, ec2, s3, terraform, infrastructure as code
|
|
|
|
| 214 |
[Example 2]
|
| 215 |
Text: "Seeking a team lead with strong project management abilities. Must communicate effectively with stakeholders and manage timelines using Agile methodologies like Scrum."
|
| 216 |
Extracted Skills: project management, leadership, stakeholder communication, agile, scrum
|
|
|
|
| 217 |
[Actual Task]
|
| 218 |
Text: "{text}"
|
| 219 |
Extracted Skills:
|
|
|
|
| 224 |
skills_part = generated_text.split("Extracted Skills:")[-1].strip()
|
| 225 |
skills = [skill.strip() for skill in skills_part.split(',') if skill.strip()]
|
| 226 |
return list(dict.fromkeys(s.lower() for s in skills))
|
| 227 |
+
except Exception: return []
|
|
|
|
| 228 |
|
|
|
|
| 229 |
def extract_skills_nltk(text: str) -> list[str]:
|
| 230 |
if not isinstance(text, str): return []
|
| 231 |
text_lower = text.lower()
|
|
|
|
| 234 |
tokens = nltk.word_tokenize(text_lower)
|
| 235 |
tagged_tokens = nltk.pos_tag(tokens)
|
| 236 |
chunked_text = chunk_parser.parse(tagged_tokens)
|
|
|
|
| 237 |
potential_skills = set()
|
| 238 |
for subtree in chunked_text.subtrees():
|
| 239 |
if subtree.label() == 'NP':
|
| 240 |
phrase = " ".join(word for word, tag in subtree.leaves())
|
| 241 |
normalized_phrase = _norm_skill_token(phrase)
|
|
|
|
| 242 |
if normalized_phrase in SKILL_WHITELIST:
|
| 243 |
potential_skills.add(normalized_phrase)
|
| 244 |
return sorted(list(potential_skills))
|
| 245 |
|
|
|
|
| 246 |
def extract_skills_hybrid(text: str) -> list[str]:
|
| 247 |
llm_skills = extract_skills_llm(text)
|
| 248 |
nltk_skills = extract_skills_nltk(text)
|
|
|
|
|
|
|
| 249 |
combined_skills = set(llm_skills) | set(nltk_skills)
|
| 250 |
return sorted(list(combined_skills))
|
| 251 |
|
|
|
|
| 253 |
return " ".join([str(s) for s in [row.get("Job title"), row.get("Duties"), row.get("qualifications"), row.get("Description")] if pd.notna(s)])
|
| 254 |
|
| 255 |
original_df["text_for_skills"] = original_df.apply(create_text_for_skills, axis=1)
|
|
|
|
| 256 |
print("--- Extracting skills with HYBRID ACCURACY model. Please wait... ---")
|
| 257 |
original_df['Skills'] = original_df['text_for_skills'].progress_apply(extract_skills_hybrid)
|
| 258 |
original_df = original_df.drop(columns=['text_for_skills'])
|
|
|
|
| 260 |
print(f"--- Saving processed data to {PROCESSED_DATA_PATH} for faster future startups ---")
|
| 261 |
original_df.to_parquet(PROCESSED_DATA_PATH)
|
| 262 |
|
|
|
|
| 263 |
original_df['job_id'] = original_df.index
|
| 264 |
def create_full_text(row):
|
| 265 |
return " ".join([str(s) for s in [row.get("Job title"), row.get("Company"), row.get("Duties"), row.get("qualifications"), row.get("Description")]])
|
|
|
|
| 288 |
links = [("Coursera", f"https://www.coursera.org/search?query={q}"), ("edX", f"https://www.edx.org/search?q={q}"), ("Udemy", f"https://www.udemy.com/courses/search/?q={q}"), ("YouTube", f"https://www.youtube.com/results?search_query={q}+tutorial")]
|
| 289 |
return " • ".join([f'<a href="{u}" target="_blank" style="color: #007bff;">{name}</a>' for name, u in links])
|
| 290 |
|
|
|
|
| 291 |
def get_job_matches(dream_job: str, top_n: int, skills_text: str):
|
| 292 |
status = "Searching using hybrid model..."
|
| 293 |
expanded_desc = llm_expand_query(dream_job)
|
|
|
|
| 298 |
display_df = score_jobs_by_skills(user_skills, emb_matches)
|
| 299 |
else:
|
| 300 |
display_df = emb_matches
|
|
|
|
| 301 |
display_df = display_df.head(top_n)
|
|
|
|
| 302 |
if user_skills:
|
| 303 |
status = f"Found and **re-ranked** results by your {len(user_skills)} skills. Displaying top {len(display_df)}."
|
| 304 |
else:
|
| 305 |
status = f"Found {len(display_df)} top matches using semantic search."
|
|
|
|
| 306 |
table_to_show = display_df[['job_title', 'company', 'Similarity Score']]
|
| 307 |
if 'Skill Match Score' in display_df.columns:
|
| 308 |
+
table_to_show['Skill Match Score'] = display_df['Skill Match Score'].map('{:.2%}'.format)
|
|
|
|
| 309 |
dropdown_options = [(f"{i+1}. {row['job_title']} - {row['company']}", row.name) for i, row in display_df.iterrows()]
|
| 310 |
dropdown_value = dropdown_options[0][1] if dropdown_options else None
|
|
|
|
| 311 |
return status, emb_matches, table_to_show, gr.Dropdown(choices=dropdown_options, value=dropdown_value, visible=True), gr.Accordion(visible=True)
|
| 312 |
|
| 313 |
def rerank_current_results(initial_matches_df, skills_text, top_n):
|
| 314 |
if initial_matches_df is None or pd.DataFrame(initial_matches_df).empty:
|
| 315 |
return "Please find matches first before re-ranking.", pd.DataFrame(), gr.Dropdown(visible=False)
|
|
|
|
| 316 |
initial_matches_df = pd.DataFrame(initial_matches_df)
|
|
|
|
| 317 |
user_skills = [_norm_skill_token(s) for s in skills_text.split(',') if _norm_skill_token(s)]
|
| 318 |
if not user_skills:
|
| 319 |
status = "Skills cleared. Showing original semantic search results."
|
|
|
|
| 324 |
status = f"Results **re-ranked** based on your {len(user_skills)} skills."
|
| 325 |
display_df = ranked_df.head(top_n)
|
| 326 |
table_to_show = display_df[['job_title', 'company', 'Similarity Score', 'Skill Match Score']]
|
| 327 |
+
table_to_show['Skill Match Score'] = table_to_show['Skill Match Score'].map('{:.2%}'.format)
|
| 328 |
dropdown_options = [(f"{i+1}. {row['job_title']} - {row['company']}", row.name) for i, row in display_df.iterrows()]
|
| 329 |
dropdown_value = dropdown_options[0][1] if dropdown_options else None
|
| 330 |
return status, table_to_show, gr.Dropdown(choices=dropdown_options, value=dropdown_value, visible=True)
|
|
|
|
| 337 |
word_list_html = ", ".join([f"<b><span style='color: #F87171;'>{w}</span></b>" for w in unrecognized_words])
|
| 338 |
alert_message = f"<b><span style='color: #F87171;'>⚠️ Possible Spelling Error:</span></b> Unrecognized: {word_list_html}."
|
| 339 |
return "Status: Awaiting confirmation.", None, pd.DataFrame(), gr.Dropdown(visible=False), gr.Accordion(visible=False), gr.Markdown(alert_message, visible=True), gr.Row(visible=True)
|
|
|
|
| 340 |
status, emb_matches, table_to_show, dropdown, details_accordion = get_job_matches(dream_job, top_n, skills_text)
|
| 341 |
return status, emb_matches, table_to_show, dropdown, details_accordion, gr.Markdown(visible=False), gr.Row(visible=False)
|
| 342 |
|
|
|
|
| 345 |
return status, emb_matches, table_to_show, dropdown, details_accordion, gr.Markdown(visible=False), gr.Row(visible=False)
|
| 346 |
|
| 347 |
def on_select_job(job_id, skills_text):
|
| 348 |
+
if job_id is None: return "", "", "", "", "", gr.Accordion(visible=False), [], 0, gr.Button(visible=False)
|
|
|
|
|
|
|
| 349 |
row = original_df.loc[job_id]
|
| 350 |
title, company = str(row.get("job_title", "")), str(row.get("company", ""))
|
| 351 |
job_details_markdown = f"### {title} — {company}"
|
| 352 |
duties, qualifications, description = str(row.get('Duties', '')), str(row.get('qualifications', '')), str(row.get('Description', ''))
|
|
|
|
| 353 |
user_skills = [_norm_skill_token(s) for s in skills_text.split(',') if _norm_skill_token(s)]
|
| 354 |
job_skills = row.get("Skills", [])
|
|
|
|
| 355 |
if not job_skills:
|
| 356 |
learning_plan_html = "<p><i>No specific skills could be extracted for this job.</i></p>"
|
| 357 |
return job_details_markdown, duties, qualifications, description, learning_plan_html, gr.Accordion(visible=True), [], 0, gr.Button(visible=False)
|
| 358 |
+
all_missing_skills = sorted([s for s in job_skills if not any(util.cos_sim(model.encode(ut), model.encode(s))[0][0] > 0.55 for ut in user_skills)], key=lambda x: x.lower())
|
|
|
|
|
|
|
| 359 |
if not all_missing_skills:
|
| 360 |
learning_plan_html = "<h4 style='color:green;'>🎉 You have all the required skills!</h4>"
|
| 361 |
return job_details_markdown, duties, qualifications, description, learning_plan_html, gr.Accordion(visible=True), [], 0, gr.Button(visible=False)
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| 362 |
if user_skills:
|
| 363 |
+
match_count = len(job_skills) - len(all_missing_skills)
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| 364 |
+
score_val = match_count / len(job_skills) if len(job_skills) > 0 else 0
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| 365 |
job_details_markdown += f"\n**Your skill match:** {score_val:.1%}"
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| 366 |
headline = "<b>Great fit!</b>" if score_val >= 0.8 else "<b>Good progress!</b>" if score_val >= 0.5 else "<b>Solid starting point.</b>"
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| 367 |
learning_plan_html = f"<h4>{headline} Focus on these skills to improve your match:</h4>"
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| 368 |
skills_to_display = all_missing_skills[:5]
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| 369 |
items_html = [f"<li><b>{ms}</b><br>• Learn: {_course_links_for(ms)}</li>" for ms in skills_to_display]
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| 370 |
learning_plan_html += f"<ul style='list-style-type: none; padding-left: 0;'>{''.join(items_html)}</ul>"
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| 371 |
return job_details_markdown, duties, qualifications, description, learning_plan_html, gr.Accordion(visible=True), [], 0, gr.Button(visible=False)
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| 372 |
else:
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| 373 |
headline = "<h4>To be a good fit for this role, you'll need to learn these skills:</h4>"
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| 374 |
+
skills_to_display = job_skills[:5]
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| 375 |
items_html = [f"<li><b>{ms}</b><br>• Learn: {_course_links_for(ms)}</li>" for ms in skills_to_display]
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| 376 |
learning_plan_html = f"{headline}<ul style='list-style-type: none; padding-left: 0;'>{''.join(items_html)}</ul>"
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| 377 |
+
full_skill_list_for_state = job_skills
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| 378 |
new_offset = len(skills_to_display)
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| 379 |
+
should_button_be_visible = len(full_skill_list_for_state) > 5
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| 380 |
return job_details_markdown, duties, qualifications, description, learning_plan_html, gr.Accordion(visible=True), full_skill_list_for_state, new_offset, gr.Button(visible=should_button_be_visible)
|
| 381 |
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| 382 |
def load_more_skills(full_skills_list, current_offset):
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| 383 |
SKILLS_INCREMENT = 5
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| 384 |
new_offset = current_offset + SKILLS_INCREMENT
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| 385 |
skills_to_display = full_skills_list[:new_offset]
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|
| 386 |
items_html = [f"<li><b>{ms}</b><br>• Learn: {_course_links_for(ms)}</li>" for ms in skills_to_display]
|
| 387 |
learning_plan_html = f"<h4>To be a good fit for this role, you'll need to learn these skills:</h4><ul style='list-style-type: none; padding-left: 0;'>{''.join(items_html)}</ul>"
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|
| 388 |
should_button_be_visible = new_offset < len(full_skills_list)
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|
| 389 |
return learning_plan_html, new_offset, gr.Button(visible=should_button_be_visible)
|
| 390 |
|
| 391 |
def on_reset():
|
| 392 |
return ("", 3, "", pd.DataFrame(), None, gr.Dropdown(visible=False), gr.Accordion(visible=False), "Status: Ready.", "", "", "", "", gr.Markdown(visible=False), gr.Row(visible=False), [], 0, gr.Button(visible=False))
|
| 393 |
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|
| 394 |
print("Starting application initialization...")
|
| 395 |
initialization_status = initialize_data_and_model()
|
| 396 |
print(initialization_status)
|
| 397 |
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|
| 398 |
with gr.Blocks(theme=gr.themes.Soft()) as ui:
|
| 399 |
gr.Markdown("# Hybrid Career Planner & Skill Gap Analyzer")
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|
| 400 |
initial_matches_state = gr.State()
|
| 401 |
missing_skills_state = gr.State([])
|
| 402 |
skills_offset_state = gr.State(0)
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|
| 403 |
with gr.Row():
|
| 404 |
with gr.Column(scale=3):
|
| 405 |
dream_text = gr.Textbox(label='Your Dream Job Description', lines=3, placeholder="e.g., 'A role in a tech startup focused on machine learning...'")
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|
| 411 |
topk_slider = gr.Slider(minimum=1, maximum=5, value=3, step=1, label="Number of Matches")
|
| 412 |
search_btn = gr.Button("Find Matches", variant="primary")
|
| 413 |
reset_btn = gr.Button("Reset All")
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|
| 414 |
status_text = gr.Markdown("Status: Ready.")
|
| 415 |
spelling_alert = gr.Markdown(visible=False)
|
| 416 |
with gr.Row(visible=False) as spelling_row:
|
| 417 |
search_anyway_btn = gr.Button("Search Anyway", variant="secondary")
|
| 418 |
retype_btn = gr.Button("Let Me Fix It", variant="stop")
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|
| 419 |
df_output = gr.DataFrame(label="Job Matches", interactive=False)
|
| 420 |
job_selector = gr.Dropdown(label="Select a job to see more details & learning plan:", visible=False)
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|
| 421 |
with gr.Accordion("Job Details & Learning Plan", open=False, visible=False) as details_accordion:
|
| 422 |
job_details_markdown = gr.Markdown()
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|
| 423 |
with gr.Tabs():
|
| 424 |
+
with gr.TabItem("Duties"): duties_markdown = gr.Markdown()
|
| 425 |
+
with gr.TabItem("Qualifications"): qualifications_markdown = gr.Markdown()
|
| 426 |
+
with gr.TabItem("Full Description"): description_markdown = gr.Markdown()
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|
| 427 |
learning_plan_output = gr.HTML(label="Learning Plan")
|
| 428 |
load_more_btn = gr.Button("Load More Skills", visible=False)
|
| 429 |
+
search_btn.click(fn=find_matches_and_rank_with_check, inputs=[dream_text, topk_slider, skills_text], outputs=[status_text, initial_matches_state, df_output, job_selector, details_accordion, spelling_alert, spelling_row])
|
| 430 |
+
search_anyway_btn.click(fn=find_matches_and_rank_anyway, inputs=[dream_text, topk_slider, skills_text], outputs=[status_text, initial_matches_state, df_output, job_selector, details_accordion, spelling_alert, spelling_row])
|
| 431 |
+
retype_btn.click(lambda: ("Status: Ready for you to retype.", None, pd.DataFrame(), gr.Dropdown(visible=False), gr.Accordion(visible=False), gr.Markdown(visible=False), gr.Row(visible=False)), outputs=[status_text, initial_matches_state, df_output, job_selector, details_accordion, spelling_alert, spelling_row])
|
| 432 |
+
reset_btn.click(fn=on_reset, outputs=[dream_text, topk_slider, skills_text, df_output, initial_matches_state, job_selector, details_accordion, status_text, job_details_markdown, duties_markdown, qualifications_markdown, description_markdown, spelling_alert, spelling_row, missing_skills_state, skills_offset_state, load_more_btn], queue=False)
|
| 433 |
+
rerank_btn.click(fn=rerank_current_results, inputs=[initial_matches_state, skills_text, topk_slider], outputs=[status_text, df_output, job_selector])
|
| 434 |
+
job_selector.change(fn=on_select_job, inputs=[job_selector, skills_text], outputs=[job_details_markdown, duties_markdown, qualifications_markdown, description_markdown, learning_plan_output, details_accordion, missing_skills_state, skills_offset_state, load_more_btn])
|
| 435 |
+
load_more_btn.click(fn=load_more_skills, inputs=[missing_skills_state, skills_offset_state], outputs=[learning_plan_output, skills_offset_state, load_more_btn])
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|
| 436 |
|
| 437 |
ui.launch()
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