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import re
from datetime import datetime
SKILL_WEIGHTS = {
"python": 5,
"java": 5,
"c++": 4,
"sql": 4,
"machine learning": 6,
"data analysis": 5,
"project management": 3,
"communication": 2,
"teamwork": 2,
"leadership": 3,
}
EDUCATION_SCORES = {
"PhD": 20,
"Masters": 15,
"Bachelors": 10,
"Diploma": 5,
"High School": 2,
"Not Found": 0,
}
CERTIFICATION_KEYWORDS = [
"certified", "certificate", "certification", "professional certification",
"pmp", "aws certified", "cisco", "cissp", "six sigma", "scrum master"
]
def extract_experience_years(text):
years = 0
matches = re.findall(r'(\d+)\+?\s+years?', text.lower())
if matches:
years = max([int(m) for m in matches])
year_ranges = re.findall(r'(\d{4})\s*[-to]{1,3}\s*(\d{4}|present)', text.lower())
for start, end in year_ranges:
try:
start_year = int(start)
end_year = datetime.now().year if end == "present" else int(end)
diff = end_year - start_year
if diff > years:
years = diff
except:
continue
return years
def score_experience(years):
max_years = 10
if years > max_years:
years = max_years
return (years / max_years) * 50
def score_skills(text):
text_lower = text.lower()
score = 0
for skill, weight in SKILL_WEIGHTS.items():
if skill in text_lower:
score += weight
max_score = sum(SKILL_WEIGHTS.values())
return (score / max_score) * 30 if max_score else 0
def score_education(level):
return EDUCATION_SCORES.get(level, 0)
def score_certifications(text):
text_lower = text.lower()
count = 0
for cert_kw in CERTIFICATION_KEYWORDS:
if cert_kw in text_lower:
count += 1
max_count = 3
if count > max_count:
count = max_count
return (count / max_count) * 5
def calculate_cv_score(cv_text, education_level):
years_exp = extract_experience_years(cv_text)
exp_score = score_experience(years_exp)
skill_score = score_skills(cv_text)
edu_score = score_education(education_level)
cert_score = score_certifications(cv_text)
total_score = exp_score + skill_score + edu_score + cert_score
return round(total_score, 2), {
"Experience Score": round(exp_score, 2),
"Skill Score": round(skill_score, 2),
"Education Score": edu_score,
"Certification Score": round(cert_score, 2),
"Years of Experience": years_exp
}
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