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A doc-vs-code crosscheck of every Python import in src/ and
web_interface/ against requirements.txt found 3 packages that the
code uses but requirements.txt doesn't list. Verified with grep that
all 3 are wrapped in try/except blocks with documented fallback
paths, so they're optional features rather than missing required
deps:
- scipy src/common/scroll_helper.py:26
→ from scipy.ndimage import shift; HAS_SCIPY flag.
Used for sub-pixel interpolation in scrolling.
Falls back to a simpler shift algorithm without it.
- psutil src/plugin_system/resource_monitor.py:15
→ import psutil; PSUTIL_AVAILABLE flag. Used for
per-plugin CPU/memory monitoring. Silently no-ops
without it.
- flask-limiter web_interface/app.py:42-43
→ from flask_limiter import Limiter; wrapped at the
caller. Used for accidental-abuse rate limiting on
the web interface (not security). Web interface
starts without rate limiting when missing.
These were latent in two ways:
1. A user reading requirements.txt thinks they have the full feature
set after `pip install -r requirements.txt`, but they don't get
smoother scrolling, plugin resource monitoring, or rate limiting.
2. A contributor who deletes one of the packages from their dev env
wouldn't know which feature they just lost — the fallbacks are
silent.
Added an "Optional dependencies" section at the bottom of
requirements.txt with the version constraint, the file:line where
each is used, the feature it enables, and the install command. The
comment-only format means `pip install -r requirements.txt` still
gives the minimal-feature install (preserving current behavior),
while users who want the full feature set can copy the explicit
pip install commands.
Other findings from the same scan that came back as false positives
or known issues:
- web_interface_v2: dead pattern flagged in earlier iteration
(still no real implementation; affects 11+ plugins via the same
try/except dead-fallback pattern)
- urllib3: comes with `requests` transitively
- All 'src.', 'web_interface.', 'rgbmatrix', 'RGBMatrixEmulator'
imports: internal modules
- base_plugin / plugin_manager / store_manager / mocks /
visual_display_manager: relative imports to local modules
- freetype: false positive (freetype-py is in requirements.txt
under the package name)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
73 lines
2.5 KiB
Plaintext
73 lines
2.5 KiB
Plaintext
# LEDMatrix Core Dependencies
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# Compatible with Python 3.10, 3.11, 3.12, and 3.13
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# Tested on Raspbian OS 12 (Bookworm) and 13 (Trixie)
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# Image processing
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Pillow>=10.4.0,<12.0.0
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numpy>=1.24.0 # For fast array operations in ScrollHelper (compatible with 2.x)
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# Timezone handling
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pytz>=2024.2,<2025.0 # Updated for latest timezone data
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timezonefinder>=6.5.0,<7.0.0 # Updated for better performance and accuracy
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geopy>=2.4.1,<3.0.0
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# HTTP requests
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requests>=2.32.0,<3.0.0
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# Google API integration
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google-auth-oauthlib>=1.2.0,<2.0.0
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google-auth-httplib2>=0.2.0,<1.0.0
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google-api-python-client>=2.147.0,<3.0.0
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# Font rendering
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freetype-py>=2.5.1,<3.0.0
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# Spotify integration
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spotipy>=2.24.0,<3.0.0
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# Flask web framework
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Flask>=3.0.0,<4.0.0
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# Text processing
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unidecode>=1.3.8,<2.0.0
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# Calendar integration
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icalevents>=0.1.27,<1.0.0
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# WebSocket support
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python-socketio>=5.11.0,<6.0.0
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python-engineio>=4.9.0,<5.0.0
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websockets>=12.0,<14.0
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websocket-client>=1.8.0,<2.0.0
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# JSON Schema validation
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jsonschema>=4.20.0,<5.0.0
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# Testing dependencies
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pytest>=7.4.0,<8.0.0
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pytest-cov>=4.1.0,<5.0.0
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pytest-mock>=3.11.0,<4.0.0
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mypy>=1.5.0,<2.0.0
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# ───────────────────────────────────────────────────────────────────────
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# Optional dependencies — the code imports these inside try/except
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# blocks and gracefully degrades when missing. Install them for the
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# full feature set, or skip them for a minimal install.
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# ───────────────────────────────────────────────────────────────────────
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#
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# scipy — sub-pixel interpolation in
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# src/common/scroll_helper.py for smoother
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# scrolling. Falls back to a simpler shift algorithm.
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# pip install 'scipy>=1.10.0,<2.0.0'
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#
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# psutil — per-plugin resource monitoring in
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# src/plugin_system/resource_monitor.py. The monitor
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# silently no-ops when missing (PSUTIL_AVAILABLE = False).
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# pip install 'psutil>=5.9.0,<6.0.0'
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#
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# Flask-Limiter — request rate limiting in web_interface/app.py
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# (accidental-abuse protection, not security). The
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# web interface starts without rate limiting when
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# this is missing.
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# pip install 'Flask-Limiter>=3.5.0,<4.0.0'
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