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updated notebooks
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@michaelweinold
michaelweinold committed Sep 18, 2023
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257 changes: 257 additions & 0 deletions content/1_brightway_browser_introduction.ipynb
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{
"cells": [
{
"cell_type": "code",
"execution_count": 3,
"metadata": {
"trusted": true
},
"outputs": [],
"source": [
"import micropip"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"We need to patch [pyfilesystem2](https://docs.pyfilesystem.org/en/latest/index.html) because pyodide currently doesn't implement all of the standard library. See [#38](https://github.com/brightway-lca/brightway-live/issues/38)."
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"trusted": true
},
"outputs": [],
"source": [
"await micropip.install(\n",
" 'https://files.brightway.dev/fs-2.5.1-py2.py3-none-any.whl'\n",
")"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Manually set the directory where data is stored to avoid errors related to the browser virtual filesystem."
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {
"trusted": true
},
"outputs": [],
"source": [
"import os\n",
"os.environ[\"BRIGHTWAY_DIR\"] = \"/tmp/\""
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"trusted": true
},
"outputs": [],
"source": [
"await micropip.install('bw2data==4.0.dev29', keep_going = True)\n",
"await micropip.install('bw2io==0.9.dev23', keep_going = True)\n",
"await micropip.install('bw2calc==2.0.dev14', keep_going = True)"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {
"trusted": true
},
"outputs": [],
"source": [
"import bw2data\n",
"import bw2calc\n",
"import bw2io"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"We can't import larger project backups yet - see [#37](https://github.com/brightway-lca/brightway-live/issues/37). But we can create a small sample database."
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {
"trusted": true
},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"/lib/python3.11/site-packages/openpyxl/worksheet/_reader.py:329: UserWarning: Unknown extension is not supported and will be removed\n",
" warn(msg)\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Extracted 4 worksheets in 0.02 seconds\n",
"Applying strategy: csv_restore_tuples\n",
"Applying strategy: csv_restore_booleans\n",
"Applying strategy: csv_numerize\n",
"Applying strategy: csv_drop_unknown\n",
"Applying strategy: csv_add_missing_exchanges_section\n",
"Applying strategy: strip_biosphere_exc_locations\n",
"Applying strategy: set_code_by_activity_hash\n",
"Applying strategy: assign_only_product_as_production\n",
"Applying strategy: drop_falsey_uncertainty_fields_but_keep_zeros\n",
"Applying strategy: convert_uncertainty_types_to_integers\n",
"Applying strategy: convert_activity_parameters_to_list\n",
"Applied 11 strategies in 0.00 seconds\n",
"Applying strategy: link_iterable_by_fields\n",
"Not able to determine geocollections for all datasets. This database is not ready for regionalization.\n"
]
},
{
"name": "stderr",
"output_type": "stream",
"text": [
"/lib/python3.11/site-packages/bw2data/backends/base.py:50: TqdmMonitorWarning: tqdm:disabling monitor support (monitor_interval = 0) due to:\n",
"can't start new thread\n",
" return tqdm(iterable)\n",
"100%|██████████| 9/9 [00:00<?, ?it/s]\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Vacuuming database \n",
"Created database: Mobility example\n"
]
}
],
"source": [
"bw2io.add_example_database(searchable=False)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"We can now do normal Brightway operations:"
]
},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {
"trusted": true
},
"outputs": [
{
"data": {
"text/plain": [
"Databases dictionary with 1 object(s):\n",
"\tMobility example"
]
},
"execution_count": 9,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"bw2data.databases"
]
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {
"trusted": true
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"'Driving an combustion car' (kilometer, Europe, None)\n",
"'CO2' (kilogram, None, None)\n",
"'Electric car battery' (unit, GLO, ('Electric car battery',))\n",
"'Combustion car' (unit, GLO, ('Combustion car',))\n",
"'Electric car' (unit, GLO, ('Electric car',))\n",
"'Steel' (kilogram, GLO, None)\n",
"'Driving an electric car' (kilometer, Europe, None)\n",
"'Electricity' (kilowatt hour, GLO, None)\n",
"'Lithium' (kilogram, GLO, None)\n"
]
}
],
"source": [
"for obj in bw2data.Database(\"Mobility example\"):\n",
" print(obj)"
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {
"trusted": true
},
"outputs": [],
"source": [
"co2 = bw2data.get_node(name=\"CO2\")"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {
"trusted": true
},
"outputs": [],
"source": [
"gwp = bw2data.Method((\"GWP\", \"simple\"))\n",
"gwp.write([(co2.key, 1)])"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"lca = bw2calc.LCA({bw2data.get_node(name=\"Electric car\"): "
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python (Pyodide)",
"language": "python",
"name": "python"
},
"language_info": {
"codemirror_mode": {
"name": "python",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.8"
}
},
"nbformat": 4,
"nbformat_minor": 4
}
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