Add three presentation templates and remove background colors

.gitignore

@@ -1,7 +1,7 @@
 client_secret.json
 credentials.json
 token.json
-*.pptx
+/*.pptx
 
 
 ### Python template

app.py

@@ -31,6 +31,7 @@ def build_ui():
     except (FileExistsError, FileNotFoundError):
         preload_data = {'topic': '', 'audience': ''}
 
+    # with st.form('describe-topic-form'):
     topic = st.text_area(
         APP_TEXT['input_labels'][0],
         value=preload_data['topic']
@@ -38,8 +39,14 @@ def build_ui():
 
     # Button with callback function
     st.button(APP_TEXT['button_labels'][0], on_click=button_clicked, args=[0])
+    # desc_topic_btn_submitted = st.form_submit_button(
+    #     APP_TEXT['button_labels'][0],
+    #     on_click=button_clicked,
+    #     args=[0]
+    # )
 
     if st.session_state.clicked[0]:
+        # if desc_topic_btn_submitted:
         progress_text = 'Generating your presentation slides...give it a moment'
         progress_bar = st.progress(0, text=progress_text)
 
@@ -59,7 +66,7 @@ def process_topic_inputs(topic: str, progress_bar):
     topic_length = len(topic)
     print(f'Input length:: topic: {topic_length}')
 
-    if topic_length > 10:
+    if topic_length >= 10:
         print(
             f'Topic: {topic}\n'
         )
@@ -139,9 +146,22 @@ def process_slides_contents(text: str, progress_bar: st.progress):
     st.header(APP_TEXT['section_headers'][2])
     st.caption(APP_TEXT['section_captions'][2])
 
+    texts = list(GlobalConfig.PPTX_TEMPLATE_FILES.keys())
+    captions = [GlobalConfig.PPTX_TEMPLATE_FILES[x]['caption'] for x in texts]
+
+    # with st.form('create-slides-form'):
+    pptx_template = st.radio(
+        'Select a presentation template:',
+        texts,
+        captions=captions,
+        horizontal=True
+    )
+
     st.button(APP_TEXT['button_labels'][2], on_click=button_clicked, args=[2])
+    # create_slides_btn_submitted = st.form_submit_button(APP_TEXT['button_labels'][2])
 
     if st.session_state.clicked[2]:
+        # if create_slides_btn_submitted:
         progress_text = 'Creating the slide deck...give it a moment'
         progress_bar = st.progress(0, text=progress_text)
 
@@ -154,6 +174,7 @@ def process_slides_contents(text: str, progress_bar: st.progress):
         all_headers = pptx_helper.generate_powerpoint_presentation(
             json_str,
             as_yaml=False,
+            slides_template=pptx_template,
             output_file_name=output_file_name
         )
         progress_bar.progress(100, text='Done!')

global_config.py

@@ -28,3 +28,18 @@ class GlobalConfig:
     PRELOAD_DATA_FILE = 'examples/example_02.json'
     SLIDES_TEMPLATE_FILE = 'langchain_templates/template_07.txt'
 
+    PPTX_TEMPLATE_FILES = {
+        'Blank': {
+            'file': 'pptx_templates/Blank.pptx',
+            'caption': 'Good for starting'
+        },
+        'Ion Boardroom': {
+            'file': 'pptx_templates/Ion_Boardroom.pptx',
+            'caption': 'Choose some bold colors'
+        },
+        'Urban Monochrome': {
+            'file': 'pptx_templates/Urban_monochrome.pptx',
+            'caption': 'Bring in some elegance'
+        }
+    }
+

pptx_helper.py

@@ -4,7 +4,7 @@ import pptx
 import re
 import yaml
 
-from pptx.dml.color import RGBColor
+from global_config import GlobalConfig
 
 
 PATTERN = re.compile(r"^slide[ ]+\d+:", re.IGNORECASE)
@@ -24,12 +24,18 @@ def remove_slide_number_from_heading(header: str) -> str:
     return header
 
 
-def generate_powerpoint_presentation(structured_data: str, as_yaml: bool, output_file_name: str) -> List:
+def generate_powerpoint_presentation(
+        structured_data: str,
+        as_yaml: bool,
+        slides_template: str,
+        output_file_name: str
+) -> List:
     """
     Create and save a PowerPoint presentation file containing the contents in JSON or YAML format.
 
     :param structured_data: The presentation contents as "JSON" (may contain trailing commas) or YAML
     :param as_yaml: True if the input data is in YAML format; False if it is in JSON format
+    :param slides_template: The PPTX template to use
     :param output_file_name: The name of the PPTX file to save as
     :return A list of presentation title and slides headers
     """
@@ -45,7 +51,8 @@ def generate_powerpoint_presentation(structured_data: str, as_yaml: bool, output
         # The structured "JSON" might contain trailing commas, so using json5
         parsed_data = json5.loads(structured_data)
 
-    presentation = pptx.Presentation()
+    print(f"*** Using PPTX template: {GlobalConfig.PPTX_TEMPLATE_FILES[slides_template]['file']}")
+    presentation = pptx.Presentation(GlobalConfig.PPTX_TEMPLATE_FILES[slides_template]['file'])
 
     # The title slide
     title_slide_layout = presentation.slide_layouts[0]
@@ -57,10 +64,10 @@ def generate_powerpoint_presentation(structured_data: str, as_yaml: bool, output
     subtitle.text = 'by Myself and SlideDeck AI :)'
     all_headers = [title.text, ]
 
-    background = slide.background
-    background.fill.solid()
-    background.fill.fore_color.rgb = RGBColor.from_string('C0C0C0')  # Silver
-    title.text_frame.paragraphs[0].font.color.rgb = RGBColor(0, 0, 128)  # Navy blue
+    # background = slide.background
+    # background.fill.solid()
+    # background.fill.fore_color.rgb = RGBColor.from_string('C0C0C0')  # Silver
+    # title.text_frame.paragraphs[0].font.color.rgb = RGBColor(0, 0, 128)  # Navy blue
 
     # Add contents in a loop
     for a_slide in parsed_data['slides']:
@@ -89,9 +96,9 @@ def generate_powerpoint_presentation(structured_data: str, as_yaml: bool, output
                         paragraph.text = sub_item
                         paragraph.level = 1
 
-        background = slide.background
-        background.fill.gradient()
-        background.fill.gradient_angle = -225.0
+        # background = slide.background
+        # background.fill.gradient()
+        # background.fill.gradient_angle = -225.0
 
     # The thank-you slide
     last_slide_layout = presentation.slide_layouts[0]