From 84a9b4b577b72075d40b5eaddde4ad00f4de1c11 Mon Sep 17 00:00:00 2001
From: Luka Cehovin Zajc <luka.cehovin@gmail.com>
Date: Wed, 17 Apr 2024 12:11:46 +0200
Subject: [PATCH] Support for custom delimiter in region sequences

---
 vot/region/io.py       | 12 +++++++-----
 vot/report/__init__.py | 10 +++++-----
 vot/report/common.py   |  1 +
 3 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/vot/region/io.py b/vot/region/io.py
index 5847da8..b381a63 100644
--- a/vot/region/io.py
+++ b/vot/region/io.py
@@ -139,11 +139,12 @@ def encode_mask(mask):
 
         return (tl_x, tl_y, region_w, region_h), rle
 
-def parse_region(string: str) -> "Region":
+def parse_region(string: str, separator: str = ",") -> "Region":
     """Parse input string to the appropriate region format and return Region object
 
     Args:
         string (str): comma separated list of values
+        separator (str): separator of values in the input string
 
     Returns:
         Region: resulting region
@@ -154,11 +155,11 @@ def parse_region(string: str) -> "Region":
 
     if string[0] == 'm':
         # input is a mask - decode it
-        m_, offset_ = create_mask_from_string(string[1:].split(','))
+        m_, offset_ = create_mask_from_string(string[1:].split(separator))
         return Mask(m_, offset=offset_, optimize=config.mask_optimize_read)
     else:
         # input is not a mask - check if special, rectangle or polygon
-        tokens = [float(t) for t in string.split(',')]
+        tokens = [float(t) for t in string.split(separator)]
         if len(tokens) == 1:
             return Special(tokens[0])
         if len(tokens) == 4:
@@ -244,11 +245,12 @@ def write_trajectory_binary(fp: io.RawIOBase, data: List["Region"]):
         else:
             raise IOError("Wrong region type")
 
-def read_trajectory(fp: Union[str, TextIO]):
+def read_trajectory(fp: Union[str, TextIO], separator: str = ","):
     """Reads a trajectory from a file and returns a list of regions.
     
     Args:
         fp (str or TextIO): File path or file pointer to the trajectory file
+        separator (str): Separator of values in the region, only used for text files
         
     Returns:
         list: List of regions
@@ -274,7 +276,7 @@ def read_trajectory(fp: Union[str, TextIO]):
     else:
         regions = []
         for line in fp.readlines():
-            regions.append(parse_region(line.strip()))
+            regions.append(parse_region(line.strip(), separator))
 
     if close:
         fp.close()
diff --git a/vot/report/__init__.py b/vot/report/__init__.py
index 74c8731..372ef8b 100644
--- a/vot/report/__init__.py
+++ b/vot/report/__init__.py
@@ -441,7 +441,7 @@ def __getitem__(self, key) -> PlotStyle:
         return self.plot_style(key)
 
     def legend(self, key) -> Legend:
-        """ Gets the legend for the given key."""
+        """ Gets the legend for a given key."""
         if inspect.isclass(key):
             klass = key
         else:
@@ -453,15 +453,15 @@ def legend(self, key) -> Legend:
         return self._legends[klass]
 
     def plot_style(self, key) -> PlotStyle:
-        """ Gets the plot style for the given key."""
+        """ Gets the plot style for a given key."""
         return self.legend(key)[key]
 
     def make_axes(self, figure, rect=None, trait=None) -> Axes:
-        """ Makes the axes for the given figure."""
+        """ Makes the axes for a given figure."""
         return self.axes(figure, rect, trait)
 
     def make_figure(self, trait=None) -> typing.Tuple[Figure, Axes]:
-        """ Makes the figure for the given trait.
+        """ Makes the figure for a given trait.
         
         Args:
             trait (str): The trait for which to make the figure.
@@ -713,7 +713,7 @@ def merge_tree(src, dest):
         sequences = workspace.dataset
         
         if not select_experiments is None:
-            experiments = [experiment for name, experiment in workspace.stack.items() if name in select_experiments.split(",")]
+            experiments = [experiment for name, experiment in workspace.stack.experiments.items() if name in select_experiments.split(",")]
         if not select_sequences is None:
             sequences = [sequence for sequence in sequences if sequence.name in select_sequences.split(",")]
 
diff --git a/vot/report/common.py b/vot/report/common.py
index 990fdfa..3d9123a 100644
--- a/vot/report/common.py
+++ b/vot/report/common.py
@@ -55,6 +55,7 @@ def safe(value, default):
             for tracker, values in zip(trackers, aresults):
                 if not tracker in table_data:
                     table_data[tracker] = list()
+                
                 for i, description in enumerate(descriptions):
                     if description is None:
                         continue