changed fonts due to an error

pdf_generator.py

@@ -5,36 +5,43 @@ class ReportGenerator:
     def __init__(self):
         self.pdf = FPDF()
         self.pdf.add_page()
-        self.pdf.set_font("Arial", size=12)
+        
+        # Add Unicode font
+        self.pdf.add_font('DejaVu', '', '/usr/share/fonts/truetype/dejavu/DejaVuSansCondensed.ttf', uni=True)
+        self.pdf.set_font('DejaVu', size=12)
         
     def add_header(self):
-        self.pdf.set_font("Arial", "B", 16)
+        self.pdf.set_font('DejaVu', size=16)
         self.pdf.cell(200, 10, txt="Marketing Content Validation Report", ln=True, align='C')
-        self.pdf.set_font("Arial", size=10)
+        self.pdf.set_font('DejaVu', size=10)
         self.pdf.cell(200, 10, txt=f"Generated on: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}", ln=True, align='R')
         self.pdf.ln(10)
         
     def add_input_text(self, text):
-        self.pdf.set_font("Arial", "B", 12)
+        self.pdf.set_font('DejaVu', size=12)
         self.pdf.cell(200, 10, txt="Input Marketing Content:", ln=True)
-        self.pdf.set_font("Arial", size=12)
-        self.pdf.multi_cell(0, 10, txt=text)
+        self.pdf.set_font('DejaVu', size=12)
+        # Clean the text of any problematic characters
+        cleaned_text = ''.join(char for char in text if ord(char) < 65536)
+        self.pdf.multi_cell(0, 10, txt=cleaned_text)
         self.pdf.ln(10)
         
     def add_check_result(self, check_name, status, details=None):
         status_symbols = {
             "pass": "✓",
-            "fail": "✗",
+            "fail": "×",
             "warning": "!"
         }
         
-        self.pdf.set_font("Arial", "B", 12)
+        self.pdf.set_font('DejaVu', size=12)
         status_symbol = status_symbols.get(status.lower(), "?")
         self.pdf.cell(0, 10, txt=f"{check_name}: {status_symbol}", ln=True)
         
         if details:
-            self.pdf.set_font("Arial", size=10)
-            self.pdf.multi_cell(0, 10, txt=details)
+            self.pdf.set_font('DejaVu', size=10)
+            # Clean the details text of any problematic characters
+            cleaned_details = ''.join(char for char in details if ord(char) < 65536)
+            self.pdf.multi_cell(0, 10, txt=cleaned_details)
         self.pdf.ln(5)
         
     def save_report(self):

requirements.txt

@@ -6,4 +6,5 @@ fpdf2==2.7.8
 pandas==2.1.4
 numpy==1.24.3
 requests==2.31.0
-python-dotenv==1.0.0
+python-dotenv==1.0.0
+fonts-dejavu-core