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Fix: Chinese (multi-byte characters) are not displayed correctly #1208

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Fix: Chinese (multi-byte characters) are not displayed correctly #1208

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10 changes: 8 additions & 2 deletions scripts/daily_plot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,12 +31,18 @@
df_plt = df # Default to use the whole Dbase

# Add every font at the specified location
font_dir = [userDir + '/BirdNET-Pi/homepage/static']
font_dir = [userDir + '/BirdNET-Pi/homepage/static', '/usr/share/fonts/truetype']
for font in font_manager.findSystemFonts(font_dir):
font_manager.fontManager.addfont(font)

# Set font family globally
rcParams['font.family'] = 'Roboto Flex'
db_lang = os.environ.get('DATABASE_LANG')
if db_lang == 'zh':
rcParams['font.family'] = 'WenQuanYi Zen Hei'
rcParams['font.sans-serif'] = ['WenQuanYi Zen Hei']
rcParams['axes.unicode_minus'] = False # 解决保存图像是负号—'显示为方块的问题
else:
rcParams['font.family'] = 'Roboto Flex'

# Get todays readings
now = datetime.now()
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11 changes: 11 additions & 0 deletions scripts/install_language_label.sh
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Expand Up @@ -30,4 +30,15 @@ unzip -o $HOME/BirdNET-Pi/model/labels_l18n.zip $label_file_name_flickr \
&& mv -f $HOME/BirdNET-Pi/model/$label_file_name_flickr $HOME/BirdNET-Pi/model/labels_flickr.txt \
&& logger "[$0] Set Flickr labels '$label_file_name_flickr'";

# install corresponding fonts for display characters in daily_plot
case "${lang}" in
zh)
sudo apt install -y fonts-wqy-zenhei \
&& logger "[$0] Install language:${zh} needed fonts";
;;
*)
true
;;
esac

exit 0
11 changes: 11 additions & 0 deletions scripts/install_language_label_nm.sh
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Expand Up @@ -30,4 +30,15 @@ unzip -o $HOME/BirdNET-Pi/model/labels_nm.zip $label_file_name_flickr \
&& mv -f $HOME/BirdNET-Pi/model/$label_file_name_flickr $HOME/BirdNET-Pi/model/labels_flickr.txt \
&& logger "[$0] Set Flickr labels '$label_file_name_flickr'";

# install corresponding fonts for display characters in daily_plot
case "${lang}" in
zh)
sudo apt install -y fonts-wqy-zenhei \
&& logger "[$0] Install language:${zh} needed fonts";
;;
*)
true
;;
esac

exit 0
1 change: 1 addition & 0 deletions scripts/install_services.sh
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Expand Up @@ -312,6 +312,7 @@ Restart=always
RestartSec=120
Type=simple
User=$USER
EnvironmentFile=${config_file}
ExecStart=$PYTHON_VIRTUAL_ENV /usr/local/bin/daily_plot.py
[Install]
WantedBy=multi-user.target
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