feat(data): implement damage files index generation and data processing

Closes #38

data/QUGS/convert.py

@@ -1,16 +1,254 @@
 import pandas as pd
 import os
+import re
 import sys
 from colorama import Fore, Style, init
+from typing import TypedDict, Dict, List
+from joblib import load
+from pprint import pprint
+
+# class DamageFilesIndex(TypedDict):
+#     damage_index: int
+#     files: list[int]
+DamageFilesIndex = Dict[int, List[str]]
+
+
+def generate_damage_files_index(**kwargs) -> DamageFilesIndex:
+    prefix = kwargs.get("prefix", "zzzAD")
+    extension = kwargs.get("extension", ".TXT")
+    num_damage = kwargs.get("num_damage")
+    file_index_start = kwargs.get("file_index_start")
+    col = kwargs.get("col")
+    base_path = kwargs.get("base_path")
+
+    damage_scenarios = {}
+    a = file_index_start
+    b = col + 1
+    for i in range(1, num_damage + 1):
+        damage_scenarios[i] = range(a, b)
+        a += col
+        b += col
+
+    # return damage_scenarios
+
+    x = {}
+    for damage, files in damage_scenarios.items():
+        x[damage] = []  # Initialize each key with an empty list
+        for i, file_index in enumerate(files, start=1):
+            if base_path:
+                x[damage].append(
+                    os.path.normpath(
+                        os.path.join(base_path, f"{prefix}{file_index}{extension}")
+                    )
+                )
+                # if not os.path.exists(file_path):
+                #     print(Fore.RED + f"File {file_path} does not exist.")
+                #     continue
+            else:
+                x[damage].append(f"{prefix}{file_index}{extension}")
+    return x
+
+    # file_path = os.path.join(base_path, f"zzz{prefix}D{file_index}.TXT")
+    # df = pd.read_csv( file_path, sep="\t", skiprows=10)  # Read with explicit column names
+
+
+class DataProcessor:
+    def __init__(self, file_index: Dict[int, List[str]], cache_path: str = None):
+        self.file_index = file_index
+        if cache_path:
+            self.data = load(cache_path)
+        else:
+            self.data = self._load_all_data()
+
+    def _extract_column_names(self, file_path: str) -> List[str]:
+        """
+        Extracts column names from the header of the given file.
+        Assumes the 6th line contains column names.
+
+        :param file_path: Path to the data file.
+        :return: List of column names.
+        """
+        with open(file_path, "r") as f:
+            header_lines = [next(f) for _ in range(12)]
+
+        # Extract column names from the 6th line
+        channel_line = header_lines[10].strip()
+        tokens = re.findall(r'"([^"]+)"', channel_line)
+        if not channel_line.startswith('"'):
+            first_token = channel_line.split()[0]
+            tokens = [first_token] + tokens
+
+        return tokens  # Prepend 'Time' column if applicable
+
+    def _load_dataframe(self, file_path: str) -> pd.DataFrame:
+        """
+        Loads a single data file into a pandas DataFrame.
+
+        :param file_path: Path to the data file.
+        :return: DataFrame containing the numerical data.
+        """
+        col_names = self._extract_column_names(file_path)
+        df = pd.read_csv(
+            file_path, delim_whitespace=True, skiprows=11, header=None, memory_map=True
+        )
+        df.columns = col_names
+        return df
+
+    def _load_all_data(self) -> List[List[pd.DataFrame]]:
+        """
+        Loads all data files based on the grouping dictionary and returns a nested list.
+
+        :return: A nested list of DataFrames where the outer index corresponds to group_idx - 1.
+        """
+        data = []
+        # Find the maximum group index to determine the list size
+        max_group_idx = max(self.file_index.keys()) if self.file_index else 0
+
+        # Initialize empty lists
+        for _ in range(max_group_idx):
+            data.append([])
+
+        # Fill the list with data
+        for group_idx, file_list in self.file_index.items():
+            # Adjust index to be 0-based
+            list_idx = group_idx - 1
+            data[list_idx] = [self._load_dataframe(file) for file in file_list]
+
+        return data
+
+    def get_group_data(self, group_idx: int) -> List[pd.DataFrame]:
+        """
+        Returns the list of DataFrames for the given group index.
+
+        :param group_idx: Index of the group.
+        :return: List of DataFrames.
+        """
+        return self.data.get([group_idx, []])
+
+    def get_column_names(self, group_idx: int, file_idx: int = 0) -> List[str]:
+        """
+        Returns the column names for the given group and file indices.
+
+        :param group_idx: Index of the group.
+        :param file_idx: Index of the file in the group.
+        :return: List of column names.
+        """
+        if group_idx in self.data and len(self.data[group_idx]) > file_idx:
+            return self.data[group_idx][file_idx].columns.tolist()
+        return []
+
+    def get_data_info(self):
+        """
+        Print information about the loaded data structure.
+        Adapted for when self.data is a List instead of a Dictionary.
+        """
+        if isinstance(self.data, list):
+            # For each sublist in self.data, get the type names of all elements
+            pprint(
+                [
+                    (
+                        [type(item).__name__ for item in sublist]
+                        if isinstance(sublist, list)
+                        else type(sublist).__name__
+                    )
+                    for sublist in self.data
+                ]
+            )
+        else:
+            pprint(
+                {
+                    key: [type(df).__name__ for df in value]
+                    for key, value in self.data.items()
+                }
+                if isinstance(self.data, dict)
+                else type(self.data).__name__
+            )
+
+    def _create_vector_column_index(self):
+        vector_col_idx = []
+        y = 0
+        for data_group in self.data:  # len(data_group[i]) = 5
+            for j in data_group:  # len(j[i]) =
+                c = []  # column vector c_{j}
+                x = 0
+                for _ in range(6):  # TODO: range(6) should be dynamic and parameterized
+                    c.append(x + y)
+                    x += 5
+                vector_col_idx.append(c)
+                y += 1
+            return vector_col_idx
+
+    def create_vector_column(self, overwrite=True):
+        """
+        Create a vector column from the loaded data.
+
+        :param overwrite: Overwrite the original data with vector column-based data.
+        """
+        idx = self._create_vector_column_index()
+        # if overwrite:
+        for i in range(len(self.data)):
+            for j in range(len(self.data[i])):
+                # Get the appropriate indices for slicing from idx
+                indices = idx[j]
+
+                # Get the current DataFrame
+                df = self.data[i][j]
+
+                # Keep the 'Time' column and select only specified 'Real' columns
+                # First, we add 1 to all indices to account for 'Time' being at position 0
+                real_indices = [index + 1 for index in indices]
+
+                # Create list with Time column index (0) and the adjusted Real indices
+                all_indices = [0] + real_indices
+
+                # Apply the slicing
+                self.data[i][j] = df.iloc[:, all_indices]
+        # TODO: if !overwrite:
+
+    def create_limited_sensor_vector_column(self, overwrite=True):
+        """
+        Create a vector column from the loaded data.
+
+        :param overwrite: Overwrite the original data with vector column-based data.
+        """
+        idx = self._create_vector_column_index()
+        # if overwrite:
+        for i in range(len(self.data)):
+            for j in range(len(self.data[i])):
+                # Get the appropriate indices for slicing from idx
+                indices = idx[j]
+
+                # Get the current DataFrame
+                df = self.data[i][j]
+
+                # Keep the 'Time' column and select only specified 'Real' columns
+                # First, we add 1 to all indices to account for 'Time' being at position 0
+                real_indices = [index + 1 for index in indices]
+
+                # Create list with Time column index (0) and the adjusted Real indices
+                all_indices = [0] + [real_indices[0]] + [real_indices[-1]]
+
+                # Apply the slicing
+                self.data[i][j] = df.iloc[:, all_indices]
+        # TODO: if !overwrite:
+
 
 def create_damage_files(base_path, output_base, prefix):
     # Initialize colorama
     init(autoreset=True)
 
     # Generate column labels based on expected duplication in input files
-    columns = ['Real'] + [f'Real.{i}' for i in range(1, 30)]  # Explicitly setting column names
+    columns = ["Real"] + [
+        f"Real.{i}" for i in range(1, 30)
+    ]  # Explicitly setting column names
 
-    sensor_end_map = {1: 'Real.25', 2: 'Real.26', 3: 'Real.27', 4: 'Real.28', 5: 'Real.29'}
+    sensor_end_map = {
+        1: "Real.25",
+        2: "Real.26",
+        3: "Real.27",
+        4: "Real.28",
+        5: "Real.29",
+    }
 
     # Define the damage scenarios and the corresponding original file indices
     damage_scenarios = {
@@ -19,7 +257,7 @@ def create_damage_files(base_path, output_base, prefix):
         3: range(11, 16),  # Damage 3 files from zzzAD11.csv to zzzAD15.csvs
         4: range(16, 21),  # Damage 4 files from zzzAD16.csv to zzzAD20.csv
         5: range(21, 26),  # Damage 5 files from zzzAD21.csv to zzzAD25.csv
-        6: range(26, 31)  # Damage 6 files from zzzAD26.csv to zzzAD30.csv
+        6: range(26, 31),  # Damage 6 files from zzzAD26.csv to zzzAD30.csv
     }
     damage_pad = len(str(len(damage_scenarios)))
     test_pad = len(str(30))
@@ -27,29 +265,36 @@ def create_damage_files(base_path, output_base, prefix):
     for damage, files in damage_scenarios.items():
         for i, file_index in enumerate(files, start=1):
             # Load original data file
-            file_path = os.path.join(base_path, f'zzz{prefix}D{file_index}.TXT')
+            file_path = os.path.join(base_path, f"zzz{prefix}D{file_index}.TXT")
-            df = pd.read_csv(file_path, sep='\t', skiprows=10)  # Read with explicit column names
+            df = pd.read_csv(
+                file_path, sep="\t", skiprows=10
+            )  # Read with explicit column names
 
-            top_sensor = columns[i-1]
+            top_sensor = columns[i - 1]
             print(top_sensor, type(top_sensor))
-            output_file_1 = os.path.join(output_base, f'DAMAGE_{damage}', f'DAMAGE{damage}_TEST{i}_01.csv')
+            output_file_1 = os.path.join(
+                output_base, f"DAMAGE_{damage}", f"DAMAGE{damage}_TEST{i}_01.csv"
+            )
             print(f"Creating {output_file_1} from taking zzz{prefix}D{file_index}.TXT")
             print("Taking datetime column on index 0...")
             print(f"Taking `{top_sensor}`...")
             os.makedirs(os.path.dirname(output_file_1), exist_ok=True)
-            df[['Time', top_sensor]].to_csv(output_file_1, index=False)
+            df[["Time", top_sensor]].to_csv(output_file_1, index=False)
             print(Fore.GREEN + "Done")
 
             bottom_sensor = sensor_end_map[i]
-            output_file_2 = os.path.join(output_base, f'DAMAGE_{damage}', f'DAMAGE{damage}_TEST{i}_02.csv')
+            output_file_2 = os.path.join(
+                output_base, f"DAMAGE_{damage}", f"DAMAGE{damage}_TEST{i}_02.csv"
+            )
             print(f"Creating {output_file_2} from taking zzz{prefix}D{file_index}.TXT")
             print("Taking datetime column on index 0...")
             print(f"Taking `{bottom_sensor}`...")
             os.makedirs(os.path.dirname(output_file_2), exist_ok=True)
-            df[['Time', bottom_sensor]].to_csv(output_file_2, index=False)
+            df[["Time", bottom_sensor]].to_csv(output_file_2, index=False)
             print(Fore.GREEN + "Done")
             print("---")
 
+
 def main():
     if len(sys.argv) < 2:
         print("Usage: python convert.py <path_to_csv_files>")
@@ -66,5 +311,6 @@ def main():
     create_damage_files(base_path, output_base, prefix)
     print(Fore.YELLOW + Style.BRIGHT + "All files have been created successfully.")
 
+
 if __name__ == "__main__":
     main()

data/QUGS/test.py

@@ -0,0 +1,7 @@
+from convert import *
+from joblib import dump
+
+a = generate_damage_files_index(
+    num_damage=6, file_index_start=1, col=5, base_path="D:/thesis/data/dataset_A"
+)
+dump(DataProcessor(file_index=a), "D:/cache.joblib")