first commit

.gitignore

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+*
+!app.py
+!requirements.txt
+!.gitignore

app.py

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+from io import StringIO
+from time import sleep
+
+import streamlit as st
+from bs4 import BeautifulSoup
+
+st.title("Colorize your Hindenburg project")
+
+st.markdown(
+    """
+- Set colors for a few clips on your timeline, idealy at least one clip from
+each recording.  
+- Upload your Hindenburg projet file (ending with *nhsx*) to add the same color
+to other clips origination from the same recording.
+- Download the modified file *and put it in the same folder as your original project file*.
+"""
+)
+
+# Ask for file.
+uploaded_file = st.file_uploader(
+    "*Upload your project file*", label_visibility="hidden", type="nhsx", accept_multiple_files=False
+)
+
+if uploaded_file:
+    # Make soup.
+    stringio = StringIO(uploaded_file.getvalue().decode("utf-8"))
+    soup = BeautifulSoup(stringio.read(), "xml")
+
+    project_name = soup.find("AudioPool")["Path"].replace(" Files", "")
+    new_clipboard_tag = soup.new_tag("Clipboard")
+
+    # Get colors from clips on timeline.
+    colors = {}
+    timline = soup.find("Tracks")
+    n_regions = len(timline.find_all("Region"))
+    for region in timline.find_all("Region"):
+        try:
+            colors[str(region["Ref"])] = int(region["Colour"])
+        except:
+            pass
+    
+    # Area to print things.
+    s = st.empty()
+
+    # Give colors to clips in clipboard
+    for group in soup.find_all("Group"):
+        new_group_tag = group
+        for region in group.find_all("Region"):
+            try:
+                s.markdown(f':green[{region["Name"]}]')
+                sleep(1/n_regions)
+            except KeyError:
+                pass
+            new_region_tag = region
+            try:
+                new_region_tag["Colour"] = colors[region["Ref"]]
+            except KeyError:
+                new_region_tag["Colour"] = "0"
+            new_group_tag.append(new_region_tag)
+        new_clipboard_tag.append(new_group_tag)
+
+    soup.Session.Clipboard.replace_with(new_clipboard_tag)
+
+    # Give colors to clips on timeline.
+    new_tracks_tag = soup.find("Tracks")
+    tracks = soup.find("Tracks")
+    for track in tracks.find_all("Track"):
+        try:
+            s.markdown(f':green[{region["Name"]}]')
+            sleep(1/n_regions)
+        except KeyError:
+            pass
+        new_track_tag = track
+        for region in track.find_all("Region"):
+            new_region_tag = region
+            try:
+                new_region_tag["Colour"] = colors[region["Ref"]]
+            except KeyError:
+                new_region_tag["Colour"] = "0"
+            new_track_tag.append(new_region_tag)
+        new_tracks_tag.append(new_track_tag)
+    soup.Session.Tracks.replace_with(new_tracks_tag)
+
+    # Allow the user to download file.
+    with s:
+        st.markdown(":green[Exporting...]")
+        sleep(0.7)
+        st.download_button(
+            "Download file",
+            soup.encode("utf-8"),
+            file_name=f"{project_name}_colors.nhsx",
+        )

requirements.txt

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+altair==4.2.2
+attrs==22.2.0
+backports.zoneinfo==0.2.1
+beautifulsoup4==4.11.2
+blinker==1.5
+cachetools==5.3.0
+certifi==2022.12.7
+charset-normalizer==3.1.0
+click==8.1.3
+decorator==5.1.1
+entrypoints==0.4
+gitdb==4.0.10
+GitPython==3.1.31
+idna==3.4
+importlib-metadata==6.0.0
+importlib-resources==5.12.0
+Jinja2==3.1.2
+jsonschema==4.17.3
+markdown-it-py==2.2.0
+MarkupSafe==2.1.2
+mdurl==0.1.2
+numpy==1.24.2
+packaging==23.0
+pandas==1.5.3
+Pillow==9.4.0
+pkgutil_resolve_name==1.3.10
+protobuf==3.20.3
+pyarrow==11.0.0
+pydeck==0.8.0
+Pygments==2.14.0
+Pympler==1.0.1
+pyrsistent==0.19.3
+python-dateutil==2.8.2
+pytz==2022.7.1
+pytz-deprecation-shim==0.1.0.post0
+requests==2.28.2
+rich==13.3.2
+semver==2.13.0
+six==1.16.0
+smmap==5.0.0
+soupsieve==2.4
+streamlit==1.20.0
+toml==0.10.2
+toolz==0.12.0
+tornado==6.2
+typing_extensions==4.5.0
+tzdata==2022.7
+tzlocal==4.2
+urllib3==1.26.15
+validators==0.20.0
+zipp==3.15.0