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import streamlit as st
from natsort import natsorted
import os
from PIL import Image
import math
from streamlit_sparrow_labeling import st_sparrow_labeling
import json
class DataReview:
class Model:
# pageTitle = "Data Review"
subheader_2 = "Select"
subheader_3 = "Result"
selection_text = "File to review"
initial_msg = "Please select a file to review"
img_file = None
def set_image_file(self, img_file):
st.session_state['img_file_review'] = img_file
def get_image_file(self):
if 'img_file_review' not in st.session_state:
return None
return st.session_state['img_file_review']
json_file = None
def set_json_file(self, json_file):
st.session_state['json_file_review'] = json_file
def get_json_file(self):
if 'json_file_review' not in st.session_state:
return None
return st.session_state['json_file_review']
def view(self, model, ui_width, device_type, device_width):
# st.title(model.pageTitle)
with st.sidebar:
st.markdown("---")
st.subheader(model.subheader_2)
# get list of files in inference directory
processed_file_names = self.get_processed_file_names('docs/inference/')
if 'selection_index' not in st.session_state:
st.session_state['selection_index'] = 0
selection_index = 0
else:
selection_index = st.session_state['selection_index']
selection = st.selectbox(model.selection_text, processed_file_names, index=selection_index)
selection_index = self.get_selection_index(selection, processed_file_names)
st.session_state['selection_index'] = selection_index
img_file = "docs/inference/" + selection + ".jpg"
json_file = "docs/inference/" + selection + ".json"
model.set_image_file(img_file)
model.set_json_file(json_file)
if model.get_image_file() is not None:
doc_img = Image.open(model.get_image_file())
doc_height = doc_img.height
doc_width = doc_img.width
canvas_width, number_of_columns = self.canvas_available_width(ui_width, doc_width, device_type,
device_width)
if number_of_columns > 1:
col1, col2 = st.columns([number_of_columns, 10 - number_of_columns])
with col1:
pass
self.render_doc(model, doc_img, canvas_width, doc_height, doc_width)
with col2:
pass
self.render_results(model)
else:
pass
self.render_doc(model, doc_img, canvas_width, doc_height, doc_width)
self.render_results(model)
else:
st.title(model.initial_msg)
def get_processed_file_names(self, dir_name):
# get ordered list of files without file extension, excluding hidden files, with JSON extension only
file_names = [os.path.splitext(f)[0] for f in os.listdir(dir_name) if
os.path.isfile(os.path.join(dir_name, f)) and not f.startswith('.') and f.endswith('.json')]
file_names = natsorted(file_names)
return file_names
def get_selection_index(self, file, files_list):
return files_list.index(file)
def canvas_available_width(self, ui_width, doc_width, device_type, device_width):
doc_width_pct = (doc_width * 100) / ui_width
if doc_width_pct < 45:
canvas_width_pct = 37
elif doc_width_pct < 55:
canvas_width_pct = 49
else:
canvas_width_pct = 60
if ui_width > 700 and canvas_width_pct == 37 and device_type == "desktop":
return math.floor(canvas_width_pct * ui_width / 100), 4
elif ui_width > 700 and canvas_width_pct == 49 and device_type == "desktop":
return math.floor(canvas_width_pct * ui_width / 100), 5
elif ui_width > 700 and canvas_width_pct == 60 and device_type == "desktop":
return math.floor(canvas_width_pct * ui_width / 100), 6
else:
if device_type == "desktop":
ui_width = device_width - math.floor((device_width * 22) / 100)
elif device_type == "mobile":
ui_width = device_width - math.floor((device_width * 13) / 100)
return ui_width, 1
def render_doc(self, model, doc_img, canvas_width, doc_height, doc_width):
height = 1296
width = 864
annotations_json = {
"meta": {
"version": "v0.1",
"split": "train",
"image_id": 0,
"image_size": {
"width": doc_width,
"height": doc_height
}
},
"words": []
}
st_sparrow_labeling(
fill_color="rgba(0, 151, 255, 0.3)",
stroke_width=2,
stroke_color="rgba(0, 50, 255, 0.7)",
background_image=doc_img,
initial_rects=annotations_json,
height=height,
width=width,
drawing_mode="transform",
display_toolbar=False,
update_streamlit=False,
canvas_width=canvas_width,
doc_height=doc_height,
doc_width=doc_width,
image_rescale=True,
key="doc_annotation" + model.get_image_file()
)
def render_results(self, model):
json_file = model.get_json_file()
if json_file is not None:
with open(json_file) as f:
data_json = json.load(f)
st.subheader(model.subheader_3)
st.markdown("---")
st.json(data_json)
st.markdown("---") |