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Philippine Geography models for Django

Project description

PyPi PyPI - Python Version PyPI - Django Version Travis CI CodeFactor Grade Codecov License - MIT

Philippine Geography models for Django

django-ph-geography provides models for integrating regions, provinces, municipalities, and barangays in the Philippines.

Data retrieved from the Philippine Standard Geographic Code (PSGC) published by Philippine Statistics Authority (PSA) on March 31, 2020 (https://psa.gov.ph/classification/psgc/downloads/PSGC%20Publication%20March2020.xlsx).

Table of Contents

Installation

Installing using pip:

pip install django-ph-geography

Add ph_geography to INSTALLED_APPS:

INSTALLED_APPS = [
    ...
    'ph_geography',
]

Migrate app models to database:

python manage.py migrate ph_geography

Load initial data:

python manage.py phgeofixtures

Models

ph_geography.models.Region

Model for regions. Available fields are:

  • code (CharField<max_length=10, unique=True, null=False>): Unique geographical code for region.

  • name (CharField<max_length=100, null=False)>): Geographical name for region.

  • population (PositiveIntegerField<null=True>): Population count based on 2015 POPCEN. Null value means no data is available.

  • island_group (CharField<max_length=1, choices=ISLAND_GROUP_CHOICES, null=False>): Island group where the region is located. Possible values are based on items in model property ISLAND_GROUP_CHOICES:

    • ISLAND_GROUP_LUZON ('L') - Luzon

    • ISLAND_GROUP_VISAYAS ('V') - Visayas

    • ISLAND_GROUP_MINDANAO ('M') - Mindanao

  • is_active (BooleanField<null=False, default=True>): Toggle if region is active (True) or not (False).

ph_geography.models.Province

Model for provinces. Available fields are:

  • code (CharField<max_length=10, unique=True, null=False>): Unique geographical code for region.

  • name (CharField<max_length=100, null=False)>): Geographical name for region.

  • population (PositiveIntegerField<null=True>): Population count based on 2015 POPCEN. Null value means no data is available.

  • region (ForeignKey<Region, related_name='provinces', related_query_name='province', null=False, on_delete=models.CASCADE>): Region where province is located.

  • income_class (CharField<max_length=1, choices=INCOME_CLASS_CHOICES, null=False, blank=True>): Income classification. Blank value means no data is available. Possible values are based on items in model property INCOME_CLASS_CHOICES:

    • INCOME_CLASS_1 ('1') - 1st

    • INCOME_CLASS_2 ('2') - 2nd

    • INCOME_CLASS_3 ('3') - 3rd

    • INCOME_CLASS_4 ('4') - 4th

    • INCOME_CLASS_5 ('5') - 5th

    • INCOME_CLASS_6 ('6') - 6th

    • INCOME_CLASS_SPECIAL ('S') - Special

  • is_active (BooleanField<null=False, default=True>): Toggle if province is active (True) or not (False).

Available properties:

  • island_group: Reference to Region field island_group.

ph_geography.models.Municipality

Model for municipalities and cities. Available fields are:

  • code (CharField<max_length=10, unique=True, null=False>): Unique geographical code for region.

  • name (CharField<max_length=100, null=False)>): Geographical name for region.

  • population (PositiveIntegerField<null=True>): Population count based on 2015 POPCEN. Null value means no data is available.

  • province (ForeignKey<Province, related_name='municipalities', related_query_name='municipality', null=False, on_delete=models.CASCADE>): Province where municipality is located.

  • income_class (CharField<max_length=1, choices=INCOME_CLASS_CHOICES, null=False, blank=True>): Income classification. Blank value means no data is available. Possible values are based on items in model property INCOME_CLASS_CHOICES:

    • INCOME_CLASS_1 ('1') - 1st

    • INCOME_CLASS_2 ('2') - 2nd

    • INCOME_CLASS_3 ('3') - 3rd

    • INCOME_CLASS_4 ('4') - 4th

    • INCOME_CLASS_5 ('5') - 5th

    • INCOME_CLASS_6 ('6') - 6th

    • INCOME_CLASS_SPECIAL ('S') - Special

  • is_city (BooleanField<null=False>): Toggle to define whether the municipality is a city (True) or not (False).

  • is_capital (BooleanField<null=False>): Toggle to define whether the municipality is a capital (True) or not (False).

  • city_class (CharField<max_length=1, choices=CITY_CLASS_CHOICES, null=False, blank=True>): City legal classification. Blank value means no data is available. Possible values are based on items in model property CITY_CLASS_CHOICES:

    • CITY_CLASS_COMPONENT_CITY ('C') - CC

    • CITY_CLASS_INDEPENDENT_COMPONENT_CITY ('I') - ICC

    • CITY_CLASS_HIGHLY_URBANIZED_CITY ('H') - HUC

  • is_active (BooleanField<null=False, default=True>): Toggle if municipality is active (True) or not (False).

Available properties:

  • island_group: Reference to Region field island_group.

  • region: Reference to province field region.

ph_geography.models.Barangay

Model for barangays. Available fields are:

  • code (CharField<max_length=10, unique=True, null=False>): Unique geographical code for region.

  • name (CharField<max_length=100, null=False)>): Geographical name for region.

  • population (PositiveIntegerField<null=True>): Population count based on 2015 POPCEN. Null value means no data is available.

  • municipality (ForeignKey<Municipality>, related_name='barangays', related_query_name='barangay', null=False, on_delete=models.CASCADE>): Municipality where barangay is located.

  • is_urban (NullBooleanField<null=False>): Toggle to define whether the barangay is urban (True) or rural (False). Null value means no data is available.

  • is_active (BooleanField<null=False, default=True>): Toggle if barangay is active (True) or not (False).

Available properties:

  • island_group: Reference to Region field island_group.

  • province: Reference to municipality field province.

  • region: Reference to property province field region.

Monkey Patching

After migrating the models and loading the initial data through fixtures, you can monkey patch (if you’re into it) django-ph-geography models using the provided methods to suit your needs:

Adding new fields

You can use the custom method add_field provided by abstract model class ph_geography.models.PhilippineGeography to add fields to the models provided. Using the said method to the abstract model will apply the action to all subclasses.

Example:

from django.db import models

from ph_geography.models import PhilippineGeography
from ph_geography.models import Region


# Add field to Region, Province, Municipality, Barangay, and any subclass models of PhilippineGeography
PhilippineGeography.add_field('all_models', models.BooleanField(null=True))

# Add field 'single_model' to Region
Region.add_field('single_model', models.BooleanField(null=True))

Removing existing fields

You can use the custom method remove_field provided by abstract model class ph_geography.models.PhilippineGeography to remove fields to the models provided. Using the same method to the abstract model will apply the action to all subclasses.

Example:

from ph_geography.models import PhilippineGeography
from ph_geography.models import Municipality
from ph_geography.models import Region


# Remove field to Region, Province, Municipality, Barangay, and any subclass models of PhilippineGeography
PhilippineGeography.remove_field('population')

# Remove field 'island_group' from Region
Region.remove_field('island_group')

# Multiple fields to remove are supported
Municipality.remove_field('is_city', 'is_capital')

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