Improve documentation (#89)

* updated documentation in cropposts

* updated documentation in display

* updated documentation in faces

* added comments to objects.py

* updated utils.py docs

* updated text.py docs

* improve doc display

* fix doc for display and remove redundant variable

* removed documentation from cropposts.py

* removed unused imports

* get rid of ipywidgets dependency

* remove unused imports, improve type hints

* improve doc in utils

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: Inga Ulusoy <inga.ulusoy@uni-heidelberg.de>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

ammico/cropposts.py

@@ -84,6 +84,8 @@ def matching_points(
     sift = cv2.SIFT_create()
     kp1, des1 = sift.detectAndCompute(img1, None)
     kp2, des2 = sift.detectAndCompute(img2, None)
+
+    # Convert descriptors to float32
     des1 = np.float32(des1)
     des2 = np.float32(des2)
     # Initialize and use FLANN
@@ -93,6 +95,7 @@ def matching_points(
     matches = flann.knnMatch(des1, des2, k=2)
     filtered_matches = []
     for m, n in matches:
+        # Apply ratio test to filter out ambiguous matches
         if m.distance < 0.7 * n.distance:
             filtered_matches.append(m)
     return filtered_matches, kp1, kp2
@@ -141,6 +144,8 @@ def compute_crop_corner(
     kp1, kp2 = kp_from_matches(matches, kp1, kp2)
     ys = kp2[:, 1]
     covers = []
+
+    # Compute the number of keypoints within the region around each y-coordinate
     for y in ys:
         ys_c = ys - y
         series = pd.Series(ys_c)
@@ -151,7 +156,10 @@ def compute_crop_corner(
         return None
     kp_id = ys[covers.argmax()]
     v = int(kp_id) - v_margin if int(kp_id) > v_margin else int(kp_id)
+
     hs = []
+
+    # Find the minimum x-coordinate within the region around the selected y-coordinate
     for kp in kp2:
         if 0 <= kp[1] - v <= region:
             hs.append(kp[0])
@@ -320,7 +328,6 @@ def crop_media_posts(
     for ref_file in ref_files:
         ref_view = cv2.imread(ref_file)
         ref_views.append(ref_view)
-
     # parse through the social media posts to be cropped
     for crop_file in files:
         view = cv2.imread(crop_file)

ammico/display.py

@@ -1,34 +1,26 @@
-from IPython.display import display
-
 import ammico.faces as faces
 import ammico.text as text
 import ammico.objects as objects
 from ammico.utils import is_interactive
-
 import ammico.summary as summary
-
 import dash_renderjson
 from dash import html, Input, Output, dcc, State
 import jupyter_dash
 from PIL import Image
 
 
-class JSONContainer:
-    """Expose a Python dictionary as a JSON document in JupyterLab
-    rich display rendering.
-    """
-
-    def __init__(self, data=None):
-        if data is None:
-            data = {}
-        self._data = data
-
-    def _repr_json_(self):
-        return self._data
-
-
 class AnalysisExplorer:
-    def __init__(self, mydict, identify="faces") -> None:
+    def __init__(self, mydict: dict, identify: str = "faces") -> None:
+        """Initialize the AnalysisExplorer class to create an interactive
+        visualization of the analysis results.
+
+        Args:
+            mydict (dict): A nested dictionary containing image data for all images.
+            identify (str, optional): The type of analysis to perform (default: "faces").
+            Options are "faces" (face and emotion detection), "text-on-image" (image
+            extraction and analysis), "objects" (object detection), "summary" (image caption
+            generation).
+        """
         self.app = jupyter_dash.JupyterDash(__name__)
         self.mydict = mydict
         self.identify = identify
@@ -53,19 +45,18 @@ class AnalysisExplorer:
             "base0F": "#cc6633",
         }
 
-        # setup the layout
+        #  Setup the layout
         app_layout = html.Div(
             [
-                # top
+                # Top
                 html.Div(
                     ["Identify: ", identify, self._top_file_explorer(mydict)],
                     id="Div_top",
                     style={
                         "width": "30%",
-                        # "display": "inline-block",
                     },
                 ),
-                # middle
+                # Middle
                 html.Div(
                     [self._middle_picture_frame()],
                     id="Div_middle",
@@ -75,7 +66,7 @@ class AnalysisExplorer:
                         "verticalAlign": "top",
                     },
                 ),
-                # right
+                # Right
                 html.Div(
                     [self._right_output_json()],
                     id="Div_right",
@@ -89,7 +80,8 @@ class AnalysisExplorer:
             style={"width": "95%", "display": "inline-block"},
         )
         self.app.layout = app_layout
-        # add callbacks to app
+
+        # Add callbacks to the app
         self.app.callback(
             Output("img_middle_picture_id", "src"),
             Input("left_select_id", "value"),
@@ -105,8 +97,15 @@ class AnalysisExplorer:
         )(self._right_output_analysis)
 
     # I split the different sections into subfunctions for better clarity
-    def _top_file_explorer(self, mydict):
-        # initilizes the dropdown that selects which file is to be analyzed.
+    def _top_file_explorer(self, mydict: dict) -> html.Div:
+        """Initialize the file explorer dropdown for selecting the file to be analyzed.
+
+        Args:
+            mydict (dict): A dictionary containing image data.
+
+        Returns:
+            html.Div: The layout for the file explorer dropdown.
+        """
         left_layout = html.Div(
             [
                 dcc.Dropdown(
@@ -117,8 +116,12 @@ class AnalysisExplorer:
         )
         return left_layout
 
-    def _middle_picture_frame(self):
-        # This just holds the image
+    def _middle_picture_frame(self) -> html.Div:
+        """Initialize the picture frame to display the image.
+
+        Returns:
+            html.Div: The layout for the picture frame.
+        """
         middle_layout = html.Div(
             [
                 html.Img(
@@ -131,8 +134,12 @@ class AnalysisExplorer:
         )
         return middle_layout
 
-    def _right_output_json(self):
-        # provides the json viewer for the analysis output.
+    def _right_output_json(self) -> html.Div:
+        """Initialize the JSON viewer for displaying the analysis output.
+
+        Returns:
+            html.Div: The layout for the JSON viewer.
+        """
         right_layout = html.Div(
             [
                 dcc.Loading(
@@ -156,31 +163,61 @@ class AnalysisExplorer:
         )
         return right_layout
 
-    def run_server(self, port=8050):
+    def run_server(self, port: int = 8050) -> None:
+        """Run the Dash server to start the analysis explorer.
+
+        This method should only be called in an interactive environment like Jupyter notebooks.
+        Raises an EnvironmentError if not called in an interactive environment.
+
+        Args:
+            port (int, optional): The port number to run the server on (default: 8050).
+        """
         if not is_interactive():
             raise EnvironmentError(
-                "Dash server should only be called in interactive an interactive environment like jupyter notebooks."
+                "Dash server should only be called in an interactive environment like Jupyter notebooks."
             )
 
         self.app.run_server(debug=True, mode="inline", port=port)
 
     # Dash callbacks
-    def update_picture(self, img_path):
+    def update_picture(self, img_path: str):
+        """Callback function to update the displayed image.
+
+        Args:
+            img_path (str): The path of the selected image.
+
+        Returns:
+            Union[PIL.PngImagePlugin, None]: The image object to be displayed
+            or None if the image path is
+
+        Note:
+        - This function is called when the value of the file explorer dropdown changes.
+        - Reads the image file and returns the image object.
+        """
         if img_path is not None:
             image = Image.open(img_path)
             return image
         else:
             return None
 
-    def _right_output_analysis(self, image, all_options, current_value):
-        # calls the analysis function and returns the output
+    def _right_output_analysis(self, all_options: dict, current_value: str) -> dict:
+        """Callback function to perform analysis on the selected image and return the output.
+
+        Args:
+            all_options (dict): The available options in the file explorer dropdown.
+            current_value (str): The current selected value in the file explorer dropdown.
+
+        Returns:
+            dict: The analysis output for the selected image.
+        """
         identify_dict = {
             "faces": faces.EmotionDetector,
             "text-on-image": text.TextDetector,
             "objects": objects.ObjectDetector,
             "summary": summary.SummaryDetector,
         }
-        # get image ID from dropdown value, which is the filepath.
+
+        # Get image ID from dropdown value, which is the filepath
         image_id = all_options[current_value]
 
         identify_function = identify_dict[self.identify]

ammico/faces.py

@@ -3,17 +3,15 @@ import numpy as np
 import os
 import shutil
 import pathlib
-import ipywidgets
-
 from tensorflow.keras.models import load_model
 from tensorflow.keras.applications.mobilenet_v2 import preprocess_input
 from tensorflow.keras.preprocessing.image import img_to_array
 from deepface import DeepFace
 from retinaface import RetinaFace
-
 from ammico.utils import DownloadResource
 import ammico.utils as utils
 
+
 DEEPFACE_PATH = ".deepface"
 
 
@@ -85,8 +83,19 @@ retinaface_model = DownloadResource(
 
 class EmotionDetector(utils.AnalysisMethod):
     def __init__(
-        self, subdict: dict, emotion_threshold=50.0, race_threshold=50.0
+        self,
+        subdict: dict,
+        emotion_threshold: float = 50.0,
+        race_threshold: float = 50.0,
     ) -> None:
+        """
+        Initializes the EmotionDetector object.
+
+        Args:
+            subdict (dict): The dictionary to store the analysis results.
+            emotion_threshold (float): The threshold for detecting emotions (default: 50.0).
+            race_threshold (float): The threshold for detecting race (default: 50.0).
+        """
         super().__init__(subdict)
         self.subdict.update(self.set_keys())
         self.emotion_threshold = emotion_threshold
@@ -102,6 +111,12 @@ class EmotionDetector(utils.AnalysisMethod):
         }
 
     def set_keys(self) -> dict:
+        """
+        Sets the initial parameters for the analysis.
+
+        Returns:
+            dict: The dictionary with initial parameter values.
+        """
         params = {
             "face": "No",
             "multiple_faces": "No",
@@ -115,27 +130,38 @@ class EmotionDetector(utils.AnalysisMethod):
         }
         return params
 
-    def analyse_image(self):
+    def analyse_image(self) -> dict:
+        """
+        Performs facial expression analysis on the image.
+
+        Returns:
+            dict: The updated subdict dictionary with analysis results.
+        """
         return self.facial_expression_analysis()
 
     def analyze_single_face(self, face: np.ndarray) -> dict:
-        fresult = {}
+        """
+        Analyzes the features of a single face.
 
+        Args:
+            face (np.ndarray): The face image array.
+
+        Returns:
+            dict: The analysis results for the face.
+        """
+        fresult = {}
         # Determine whether the face wears a mask
         fresult["wears_mask"] = self.wears_mask(face)
-
-        # Adapt the features we are looking for depending on whether a mask is
-        # worn. White masks screw race detection, emotion detection is useless.
+        # Adapt the features we are looking for depending on whether a mask is worn.
+        # White masks screw race detection, emotion detection is useless.
         actions = ["age", "gender"]
         if not fresult["wears_mask"]:
             actions = actions + ["race", "emotion"]
-
         # Ensure that all data has been fetched by pooch
         deepface_age_model.get()
         deepface_face_expression_model.get()
         deepface_gender_model.get()
         deepface_race_model.get()
-
         # Run the full DeepFace analysis
         fresult.update(
             DeepFace.analyze(
@@ -145,25 +171,26 @@ class EmotionDetector(utils.AnalysisMethod):
                 detector_backend="skip",
             )
         )
-
         # We remove the region, as the data is not correct - after all we are
         # running the analysis on a subimage.
         del fresult["region"]
-
         return fresult
 
     def facial_expression_analysis(self) -> dict:
+        """
+        Performs facial expression analysis on the image.
+
+        Returns:
+            dict: The updated subdict dictionary with analysis results.
+        """
         # Find (multiple) faces in the image and cut them
         retinaface_model.get()
         faces = RetinaFace.extract_faces(self.subdict["filename"])
-
         # If no faces are found, we return empty keys
         if len(faces) == 0:
             return self.subdict
-
         # Sort the faces by sight to prioritize prominent faces
         faces = list(reversed(sorted(faces, key=lambda f: f.shape[0] * f.shape[1])))
-
         self.subdict["face"] = "Yes"
         self.subdict["multiple_faces"] = "Yes" if len(faces) > 1 else "No"
         self.subdict["no_faces"] = len(faces) if len(faces) <= 15 else 99
@@ -172,13 +199,19 @@ class EmotionDetector(utils.AnalysisMethod):
         # We limit ourselves to three faces
         for i, face in enumerate(faces[:3]):
             result[f"person{ i+1 }"] = self.analyze_single_face(face)
-
         self.clean_subdict(result)
-
         return self.subdict
 
     def clean_subdict(self, result: dict) -> dict:
-        # each person subdict converted into list for keys
+        """
+        Cleans the subdict dictionary by converting results into appropriate formats.
+
+        Args:
+            result (dict): The analysis results.
+        Returns:
+            dict: The updated subdict dictionary.
+        """
+        # Each person subdict converted into list for keys
         self.subdict["wears_mask"] = []
         self.subdict["age"] = []
         self.subdict["gender"] = []
@@ -191,12 +224,12 @@ class EmotionDetector(utils.AnalysisMethod):
                 "Yes" if result[person]["wears_mask"] else "No"
             )
             self.subdict["age"].append(result[person]["age"])
-            # gender is now reported as a list of dictionaries
-            # each dict represents one face
-            # each dict contains probability for Woman and Man
-            # take only the higher prob result for each dict
+            # Gender is now reported as a list of dictionaries.
+            # Each dict represents one face.
+            # Each dict contains probability for Woman and Man.
+            # We take only the higher probability result for each dict.
             self.subdict["gender"].append(result[person]["gender"])
-            # race, emotion only detected if person does not wear mask
+            # Race and emotion are only detected if a person does not wear a mask
             if result[person]["wears_mask"]:
                 self.subdict["race"].append(None)
                 self.subdict["emotion"].append(None)
@@ -223,36 +256,28 @@ class EmotionDetector(utils.AnalysisMethod):
                 else:
                     self.subdict["emotion"].append(None)
                     self.subdict["emotion (category)"].append(None)
-
         return self.subdict
 
     def wears_mask(self, face: np.ndarray) -> bool:
-        global mask_detection_model
+        """
+        Determines whether a face wears a mask.
 
-        # Preprocess the face to match the assumptions of the face mask
-        # detection model
+        Args:
+            face (np.ndarray): The face image array.
+
+        Returns:
+            bool: True if the face wears a mask, False otherwise.
+        """
+        global mask_detection_model
+        # Preprocess the face to match the assumptions of the face mask detection model
         face = cv2.cvtColor(face, cv2.COLOR_BGR2RGB)
         face = cv2.resize(face, (224, 224))
         face = img_to_array(face)
         face = preprocess_input(face)
         face = np.expand_dims(face, axis=0)
-
         # Lazily load the model
         mask_detection_model = load_model(face_mask_model.get())
-
-        # Run the model (ignoring output)
-        with NocatchOutput():
-            mask, without_mask = mask_detection_model.predict(face)[0]
-
+        # Run the model
+        mask, without_mask = mask_detection_model.predict(face)[0]
         # Convert from np.bool_ to bool to later be able to serialize the result
         return bool(mask > without_mask)
-
-
-class NocatchOutput(ipywidgets.Output):
-    """An output container that suppresses output, but not exceptions
-
-    Taken from https://github.com/jupyter-widgets/ipywidgets/issues/3208#issuecomment-1070836153
-    """
-
-    def __exit__(self, *args, **kwargs):
-        super().__exit__(*args, **kwargs)

ammico/objects.py

@@ -5,20 +5,22 @@ from ammico.objects_cvlib import init_default_objects
 
 class ObjectDetectorClient(AnalysisMethod):
     def __init__(self):
-        # The detector is default to CVLib
-        # Here other libraries can be added
+        # The detector is set to CVLib by default
         self.detector = ObjectCVLib()
 
     def set_client_to_cvlib(self):
+        """Set the object detection client to use CVLib."""
         self.detector = ObjectCVLib()
 
     def analyse_image(self, subdict=None):
-        """Localize objects in the local image.
+        """Localize objects in the given image.
 
         Args:
-        subdict: The dictionary for an image expression instance.
-        """
+            subdict (dict): The dictionary for an image expression instance.
 
+        Returns:
+            dict: The updated dictionary with object detection results.
+        """
         return self.detector.analyse_image(subdict)
 
 
@@ -30,12 +32,23 @@ class ObjectDetector(AnalysisMethod):
         self.subdict.update(self.set_keys())
 
     def set_keys(self):
+        """Set the default object keys for analysis.
+
+        Returns:
+            dict: The dictionary with default object keys.
+        """
         return init_default_objects()
 
     def analyse_image(self):
+        """Perform object detection on the image.
+
+        Returns:
+            dict: The updated dictionary with object detection results.
+        """
         self.subdict = ObjectDetector.od_client.analyse_image(self.subdict)
         return self.subdict
 
     @staticmethod
     def set_client_to_cvlib():
+        """Set the object detection client to use CVLib."""
         ObjectDetector.od_client.set_client_to_cvlib()

ammico/summary.py

@@ -1,5 +1,5 @@
 from ammico.utils import AnalysisMethod
-from torch import device, cuda, no_grad
+from torch import cuda, no_grad
 from PIL import Image
 from lavis.models import load_model_and_preprocess
 

ammico/test/test_display.py

@@ -49,8 +49,8 @@ def test_AnalysisExplorer(get_path):
 
     assert analysis_explorer_objects.update_picture(None) is None
 
-    analysis_explorer_faces._right_output_analysis(None, all_options_dict, path_img_1)
-    analysis_explorer_objects._right_output_analysis(None, all_options_dict, path_img_2)
+    analysis_explorer_faces._right_output_analysis(all_options_dict, path_img_1)
+    analysis_explorer_objects._right_output_analysis(all_options_dict, path_img_2)
 
     with pytest.raises(EnvironmentError):
         analysis_explorer_faces.run_server(port=8050)

ammico/test/test_faces.py

@@ -2,6 +2,14 @@ import ammico.faces as fc
 import json
 
 
+def test_set_keys():
+    ed = fc.EmotionDetector({})
+    assert ed.subdict["face"] == "No"
+    assert ed.subdict["multiple_faces"] == "No"
+    assert ed.subdict["wears_mask"] == ["No"]
+    assert ed.subdict["emotion"] == [None]
+
+
 def test_analyse_faces(get_path):
     mydict = {
         "filename": get_path + "IMG_2746.png",

ammico/text.py

@@ -19,6 +19,14 @@ import os
 
 class TextDetector(utils.AnalysisMethod):
     def __init__(self, subdict: dict, analyse_text: bool = False) -> None:
+        """Init text detection class.
+
+        Args:
+            subdict (dict): Dictionary containing file name/path, and possibly previous
+            analysis results from other modules.
+            analyse_text (bool, optional): Decide if extracted text will be further subject
+            to analysis. Defaults to False.
+        """
         super().__init__(subdict)
         self.subdict.update(self.set_keys())
         self.translator = Translator()
@@ -28,10 +36,16 @@ class TextDetector(utils.AnalysisMethod):
             self._initialize_textblob()
 
     def set_keys(self) -> dict:
+        """Set the default keys for text analysis.
+
+        Returns:
+            dict: The dictionary with default text keys.
+        """
         params = {"text": None, "text_language": None, "text_english": None}
         return params
 
     def _initialize_spacy(self):
+        """Initialize the Spacy library for text analysis."""
         try:
             self.nlp = spacy.load("en_core_web_md")
         except Exception:
@@ -40,12 +54,18 @@ class TextDetector(utils.AnalysisMethod):
         self.nlp.add_pipe("spacytextblob")
 
     def _initialize_textblob(self):
+        """Initialize the TextBlob library for text analysis."""
         try:
             TextBlob("Here")
         except Exception:
             download_corpora.main()
 
-    def analyse_image(self):
+    def analyse_image(self) -> dict:
+        """Perform text extraction and analysis of the text.
+
+        Returns:
+            dict: The updated dictionary with text analysis results.
+        """
         self.get_text_from_image()
         self.translate_text()
         self.remove_linebreaks()
@@ -60,7 +80,7 @@ class TextDetector(utils.AnalysisMethod):
         return self.subdict
 
     def get_text_from_image(self):
-        """Detects text on the image."""
+        """Detect text on the image using Google Cloud Vision API."""
         path = self.subdict["filename"]
         try:
             client = vision.ImageAnnotatorClient()
@@ -92,6 +112,7 @@ class TextDetector(utils.AnalysisMethod):
             )
 
     def translate_text(self):
+        """Translate the detected text to English using the Translator object."""
         translated = self.translator.translate(self.subdict["text"])
         self.subdict["text_language"] = translated.src
         self.subdict["text_english"] = translated.text
@@ -105,7 +126,7 @@ class TextDetector(utils.AnalysisMethod):
             )
 
     def _run_spacy(self):
-        """Generate spacy doc object."""
+        """Generate Spacy doc object for further text analysis."""
         self.doc = self.nlp(self.subdict["text_english"])
 
     def clean_text(self):
@@ -118,10 +139,12 @@ class TextDetector(utils.AnalysisMethod):
         self.subdict["text_clean"] = " ".join(templist).rstrip().lstrip()
 
     def correct_spelling(self):
+        """Correct the spelling of the English text using TextBlob."""
         self.textblob = TextBlob(self.subdict["text_english"])
         self.subdict["text_english_correct"] = str(self.textblob.correct())
 
     def sentiment_analysis(self):
+        """Perform sentiment analysis on the text using SpacyTextBlob."""
         # polarity is between [-1.0, 1.0]
         self.subdict["polarity"] = self.doc._.blob.polarity
         # subjectivity is a float within the range [0.0, 1.0]
@@ -129,6 +152,7 @@ class TextDetector(utils.AnalysisMethod):
         self.subdict["subjectivity"] = self.doc._.blob.subjectivity
 
     def text_summary(self):
+        """Generate a summary of the text using the Transformers pipeline."""
         # use the transformers pipeline to summarize the text
         # use the current default model - 03/2023
         model_name = "sshleifer/distilbart-cnn-12-6"
@@ -152,6 +176,7 @@ class TextDetector(utils.AnalysisMethod):
             self.subdict["text_summary"] = None
 
     def text_sentiment_transformers(self):
+        """Perform text classification for sentiment using the Transformers pipeline."""
         # use the transformers pipeline for text classification
         # use the current default model - 03/2023
         model_name = "distilbert-base-uncased-finetuned-sst-2-english"
@@ -167,6 +192,7 @@ class TextDetector(utils.AnalysisMethod):
         self.subdict["sentiment_score"] = result[0]["score"]
 
     def text_ner(self):
+        """Perform named entity recognition on the text using the Transformers pipeline."""
         # use the transformers pipeline for named entity recognition
         # use the current default model - 03/2023
         model_name = "dbmdz/bert-large-cased-finetuned-conll03-english"
@@ -193,6 +219,15 @@ class PostprocessText:
         csv_path: str = None,
         analyze_text: str = "text_english",
     ) -> None:
+        """
+        Initializes the PostprocessText class that handles the topic analysis.
+
+        Args:
+            mydict (dict, optional): Dictionary with textual data. Defaults to None.
+            use_csv (bool, optional): Flag indicating whether to use a CSV file. Defaults to False.
+            csv_path (str, optional): Path to the CSV file. Required if `use_csv` is True. Defaults to None.
+            analyze_text (str, optional): Key for the text field to analyze. Defaults to "text_english".
+        """
         self.use_csv = use_csv
         if mydict:
             print("Reading data from dict.")
@@ -209,8 +244,16 @@ class PostprocessText:
                              `csv_path`."
             )
 
-    def analyse_topic(self, return_topics: int = 3):
-        """Topic analysis using BERTopic."""
+    def analyse_topic(self, return_topics: int = 3) -> tuple:
+        """
+        Performs topic analysis using BERTopic.
+
+        Args:
+            return_topics (int, optional): Number of topics to return. Defaults to 3.
+
+        Returns:
+            tuple: A tuple containing the topic model, topic dataframe, and most frequent topics.
+        """
         # load spacy pipeline
         nlp = spacy.load(
             "en_core_web_md",
@@ -237,7 +280,16 @@ class PostprocessText:
             most_frequent_topics.append(self.topic_model.get_topic(i))
         return self.topic_model, topic_df, most_frequent_topics
 
-    def get_text_dict(self, analyze_text):
+    def get_text_dict(self, analyze_text: str) -> list:
+        """
+        Extracts text from the provided dictionary.
+
+        Args:
+            analyze_text (str): Key for the text field to analyze.
+
+        Returns:
+            list: A list of text extracted from the dictionary.
+        """
         # use dict to put text_english or text_summary in list
         list_text_english = []
         for key in self.mydict.keys():
@@ -251,7 +303,16 @@ class PostprocessText:
             list_text_english.append(self.mydict[key][analyze_text])
         return list_text_english
 
-    def get_text_df(self, analyze_text):
+    def get_text_df(self, analyze_text: str) -> list:
+        """
+        Extracts text from the provided dataframe.
+
+        Args:
+            analyze_text (str): Column name for the text field to analyze.
+
+        Returns:
+            list: A list of text extracted from the dataframe.
+        """
         # use csv file to obtain dataframe and put text_english or text_summary in list
         # check that "text_english" or "text_summary" is there
         if analyze_text not in self.df:
@@ -262,19 +323,3 @@ class PostprocessText:
                 )
             )
         return self.df[analyze_text].tolist()
-
-
-if __name__ == "__main__":
-    images = utils.find_files(
-        path="data/test-debug/101-200fullposts",
-        limit=110,
-    )
-    # images = ["data/test-debug/101-200fullposts/100638_mya.png"]
-    print(images)
-    mydict = utils.initialize_dict(images)
-    os.environ[
-        "GOOGLE_APPLICATION_CREDENTIALS"
-    ] = "data/misinformation-campaign-981aa55a3b13.json"
-    for key in mydict:
-        print(key)
-        mydict[key] = TextDetector(mydict[key], analyse_text=True).analyse_image()

ammico/utils.py

@@ -5,7 +5,7 @@ import pooch
 
 
 class DownloadResource:
-    """A remote resource that needs on demand downloading
+    """A remote resource that needs on demand downloading.
 
     We use this as a wrapper to the pooch library. The wrapper registers
     each data file and allows prefetching through the CLI entry point
@@ -33,7 +33,7 @@ def ammico_prefetch_models():
 class AnalysisMethod:
     """Base class to be inherited by all analysis methods."""
 
-    def __init__(self, subdict) -> None:
+    def __init__(self, subdict: dict) -> None:
         self.subdict = subdict
         # define keys that will be set by the analysis
 
@@ -44,35 +44,40 @@ class AnalysisMethod:
         raise NotImplementedError()
 
 
-def find_files(path=None, pattern="*.png", recursive=True, limit=20):
+def find_files(
+    path: str = None, pattern: str = "*.png", recursive: bool = True, limit: int = 20
+) -> list:
     """Find image files on the file system.
 
-    :param path:
-        The base directory where we are looking for the images. Defaults
+    Args:
+        path (str, optional): The base directory where we are looking for the images. Defaults
         to None, which uses the XDG data directory if set or the current
         working directory otherwise.
-    :param pattern:
-        The naming pattern that the filename should match. Defaults to
+        pattern (str, optional): The naming pattern that the filename should match. Defaults to
         "*.png". Can be used to allow other patterns or to only include
         specific prefixes or suffixes.
-    :param recursive:
-        Whether to recurse into subdirectories.
-    :param limit:
-        The maximum number of images to be found. Defaults to 20.
-        To return all images, set to None.
+        recursive (bool, optional): Whether to recurse into subdirectories. Default is set to False.
+        limit (int, optional): The maximum number of images to be found.
+        Defaults to 20. To return all images, set to None.
+
+    Returns:
+        list: A list with all filenames including the path.
     """
     if path is None:
         path = os.environ.get("XDG_DATA_HOME", ".")
-
     result = list(glob.glob(f"{path}/{pattern}", recursive=recursive))
-
     if limit is not None:
         result = result[:limit]
-
     return result
 
 
 def initialize_dict(filelist: list) -> dict:
+    """Initialize the nested dictionary for all the found images.
+
+    Args:
+        filelist (list): The list of files to be analyzed, including their paths.
+    Returns:
+        dict: The nested dictionary with all image ids and their paths."""
     mydict = {}
     for img_path in filelist:
         id_ = os.path.splitext(os.path.basename(img_path))[0]
@@ -81,7 +86,7 @@ def initialize_dict(filelist: list) -> dict:
 
 
 def append_data_to_dict(mydict: dict) -> dict:
-    """Append entries from list of dictionaries to keys in global dict."""
+    """Append entries from nested dictionaries to keys in a global dict."""
 
     # first initialize empty list for each key that is present
     outdict = {key: [] for key in list(mydict.values())[0].keys()}
@@ -98,6 +103,7 @@ def dump_df(mydict: dict) -> DataFrame:
 
 
 def is_interactive():
+    """Check if we are running in an interactive environment."""
     import __main__ as main
 
     return not hasattr(main, "__file__")

pyproject.toml

@@ -32,7 +32,6 @@ dependencies = [
     "grpcio",
     "importlib_metadata",
     "ipython",
-    "ipywidgets<8.0.5",
     "jupyter_dash",
     "matplotlib",
     "numpy<=1.23.4",