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Merge pull request #1267 from SchrodingersGat/migration-fixes

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Migration fixes
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Oliver 2021-02-03 14:48:21 +11:00 committed by GitHub
commit 79ddea50f5
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4 changed files with 94 additions and 57 deletions
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135
InvenTree/company/migrations/0019_auto_20200413_0642.py
View File

@ -4,7 +4,6 @@ import os
from rapidfuzz import fuzz from rapidfuzz import fuzz
from django.db import migrations, connection from django.db import migrations, connection
from company.models import Company, SupplierPart
from django.db.utils import OperationalError, ProgrammingError from django.db.utils import OperationalError, ProgrammingError
@ -21,25 +20,29 @@ def reverse_association(apps, schema_editor):
into the 'manufacturer_name' field. into the 'manufacturer_name' field.
""" """
cursor = connection.cursor()
response = cursor.execute('select id, "MPN" from part_supplierpart;')
supplier_parts = cursor.fetchall()
# Exit if there are no SupplierPart objects # Exit if there are no SupplierPart objects
# This crucial otherwise the unit test suite fails! # This crucial otherwise the unit test suite fails!
if SupplierPart.objects.count() == 0: if len(supplier_parts) == 0:
return return
print("Reversing migration for manufacturer association") print("Reversing migration for manufacturer association")
for part in SupplierPart.objects.all(): for (index, row) in enumerate(supplier_parts):
supplier_part_id, MPN = row
print("Checking part [{pk}]:".format(pk=part.pk)) print(f"Checking SupplierPart [{supplier_part_id}]:")
cursor = connection.cursor()
# Grab the manufacturer ID from the part # Grab the manufacturer ID from the part
response = cursor.execute('SELECT manufacturer_id FROM part_supplierpart WHERE id={ID};'.format(ID=part.id)) response = cursor.execute(f"SELECT manufacturer_id FROM part_supplierpart WHERE id={supplier_part_id};")
manufacturer_id = None manufacturer_id = None
row = response.fetchone() row = cursor.fetchone()
if len(row) > 0: if len(row) > 0:
try: try:
@ -54,15 +57,15 @@ def reverse_association(apps, schema_editor):
print(" - Manufacturer ID: [{id}]".format(id=manufacturer_id)) print(" - Manufacturer ID: [{id}]".format(id=manufacturer_id))
# Now extract the "name" for the manufacturer # Now extract the "name" for the manufacturer
response = cursor.execute('SELECT name from company_company where id={ID};'.format(ID=manufacturer_id)) response = cursor.execute(f"SELECT name from company_company where id={manufacturer_id};")
row = response.fetchone() row = cursor.fetchone()
name = row[0] name = row[0]
print(" - Manufacturer name: '{name}'".format(name=name)) print(" - Manufacturer name: '{name}'".format(name=name))
response = cursor.execute("UPDATE part_supplierpart SET manufacturer_name='{name}' WHERE id={ID};".format(name=name, ID=part.id)) response = cursor.execute("UPDATE part_supplierpart SET manufacturer_name='{name}' WHERE id={ID};".format(name=name, ID=supplier_part_id))
def associate_manufacturers(apps, schema_editor): def associate_manufacturers(apps, schema_editor):
""" """
@ -100,10 +103,14 @@ def associate_manufacturers(apps, schema_editor):
return row[0] return row[0]
return '' return ''
cursor = connection.cursor()
response = cursor.execute(f'select id, "MPN" from part_supplierpart;')
supplier_parts = cursor.fetchall()
# Exit if there are no SupplierPart objects # Exit if there are no SupplierPart objects
# This crucial otherwise the unit test suite fails! # This crucial otherwise the unit test suite fails!
if SupplierPart.objects.count() == 0: if len(supplier_parts) == 0:
return return
# Link a 'manufacturer_name' to a 'Company' # Link a 'manufacturer_name' to a 'Company'
@ -112,50 +119,66 @@ def associate_manufacturers(apps, schema_editor):
# Map company names to company objects # Map company names to company objects
companies = {} companies = {}
for company in Company.objects.all(): # Iterate through each company object
companies[company.name] = company response = cursor.execute("select id, name from company_company;")
results = cursor.fetchall()
def link_part(part, name): for index, row in enumerate(results):
pk, name = row
companies[name] = pk
def link_part(part_id, name):
""" Attempt to link Part to an existing Company """ """ Attempt to link Part to an existing Company """
# Matches a company name directly # Matches a company name directly
if name in companies.keys(): if name in companies.keys():
print(" - Part[{pk}]: '{n}' maps to existing manufacturer".format(pk=part.pk, n=name)) print(" - Part[{pk}]: '{n}' maps to existing manufacturer".format(pk=part_id, n=name))
part.manufacturer = companies[name]
part.save() manufacturer_id = companies[name]
query = f"update part_supplierpart set manufacturer_id={manufacturer_id} where id={part_id};"
result = cursor.execute(query)
return True return True
# Have we already mapped this # Have we already mapped this
if name in links.keys(): if name in links.keys():
print(" - Part[{pk}]: Mapped '{n}' - '{c}'".format(pk=part.pk, n=name, c=links[name].name)) print(" - Part[{pk}]: Mapped '{n}' - '{c}'".format(pk=part_id, n=name, c=links[name].name))
part.manufacturer = links[name]
part.save() query = f"update part_supplierpart set manufacturer_id={manufacturer_id} where id={part_id};"
result = query.execute()
return True return True
# Mapping not possible # Mapping not possible
return False return False
def create_manufacturer(part, input_name, company_name): def create_manufacturer(part_id, input_name, company_name):
""" Create a new manufacturer """ """ Create a new manufacturer """
company = Company(name=company_name, description=company_name, is_manufacturer=True) # Manually create a new database row
# Note: Have to fill out all empty string values!
new_manufacturer_query = f"insert into company_company ('name', 'description', 'is_customer', 'is_supplier', 'is_manufacturer', 'address', 'website', 'phone', 'email', 'contact', 'link', 'notes') values ('{company_name}', '{company_name}', false, false, true, '', '', '', '', '', '', '');"
company.is_manufacturer = True cursor = connection.cursor()
# Save the company BEFORE we associate the part, otherwise the PK does not exist cursor.execute(new_manufacturer_query)
company.save()
# Extract the company back from the database
response = cursor.execute(f"select id from company_company where name='{company_name}';")
row = cursor.fetchone()
manufacturer_id = int(row[0])
# Map both names to the same company # Map both names to the same company
links[input_name] = company links[input_name] = manufacturer_id
links[company_name] = company links[company_name] = manufacturer_id
companies[company_name] = company companies[company_name] = manufacturer_id
print(" - Part[{pk}]: Created new manufacturer: '{name}'".format(pk=part.pk, name=company_name)) print(" - Part[{pk}]: Created new manufacturer: '{name}'".format(pk=part_id, name=company_name))
# Save the manufacturer reference link # Update SupplierPart object in the database
part.manufacturer = company cursor.execute(f"update part_supplierpart set manufacturer_id={manufacturer_id} where id={part_id};")
part.save()
def find_matches(text, threshold=65): def find_matches(text, threshold=65):
""" """
@ -178,17 +201,19 @@ def associate_manufacturers(apps, schema_editor):
return [] return []
def map_part_to_manufacturer(part, idx, total): def map_part_to_manufacturer(part_id, idx, total):
name = get_manufacturer_name(part.id) cursor = connection.cursor()
name = get_manufacturer_name(part_id)
# Skip empty names # Skip empty names
if not name or len(name) == 0: if not name or len(name) == 0:
print(" - Part[{pk}]: No manufacturer_name provided, skipping".format(pk=part.pk)) print(" - Part[{pk}]: No manufacturer_name provided, skipping".format(pk=part_id))
return return
# Can be linked to an existing manufacturer # Can be linked to an existing manufacturer
if link_part(part, name): if link_part(part_id, name):
return return
# Find a list of potential matches # Find a list of potential matches
@ -198,7 +223,7 @@ def associate_manufacturers(apps, schema_editor):
# Present a list of options # Present a list of options
print("----------------------------------") print("----------------------------------")
print("Checking part [{pk}] ({idx} of {total})".format(pk=part.pk, idx=idx+1, total=total)) print("Checking part [{pk}] ({idx} of {total})".format(pk=part_id, idx=idx+1, total=total))
print("Manufacturer name: '{n}'".format(n=name)) print("Manufacturer name: '{n}'".format(n=name))
print("----------------------------------") print("----------------------------------")
print("Select an option from the list below:") print("Select an option from the list below:")
@ -222,7 +247,7 @@ def associate_manufacturers(apps, schema_editor):
# Option 0) is to create a new manufacturer with the current name # Option 0) is to create a new manufacturer with the current name
if n == 0: if n == 0:
create_manufacturer(part, name, name) create_manufacturer(part_id, name, name)
return return
# Options 1) - n) select an existing manufacturer # Options 1) - n) select an existing manufacturer
@ -232,21 +257,19 @@ def associate_manufacturers(apps, schema_editor):
if n < len(matches): if n < len(matches):
# Get the company which matches the selected options # Get the company which matches the selected options
company_name = matches[n] company_name = matches[n]
company = companies[company_name] company_id = companies[company_name]
# Ensure the company is designated as a manufacturer # Ensure the company is designated as a manufacturer
company.is_manufacturer = True cursor.execute(f"update company_company set is_manufacturer=true where id={company_id};")
company.save()
# Link the company to the part # Link the company to the part
part.manufacturer = company cursor.execute(f"update part_supplierpart set manufacturer_id={company_id} where id={part_id};")
part.save()
# Link the name to the company # Link the name to the company
links[name] = company links[name] = company_id
links[company_name] = company links[company_name] = company_id
print(" - Part[{pk}]: Linked '{n}' to manufacturer '{m}'".format(pk=part.pk, n=name, m=company_name)) print(" - Part[{pk}]: Linked '{n}' to manufacturer '{m}'".format(pk=part_id, n=name, m=company_name))
return return
else: else:
@ -270,7 +293,7 @@ def associate_manufacturers(apps, schema_editor):
# No match, create a new manufacturer # No match, create a new manufacturer
else: else:
create_manufacturer(part, name, response) create_manufacturer(part_id, name, response)
return return
clear() clear()
@ -292,16 +315,22 @@ def associate_manufacturers(apps, schema_editor):
clear() clear()
part_count = SupplierPart.objects.count() # Extract all SupplierPart objects from the database
cursor = connection.cursor()
response = cursor.execute('select id, "MPN", "SKU", manufacturer_id, manufacturer_name from part_supplierpart;')
results = cursor.fetchall()
part_count = len(results)
# Create a unique set of manufacturer names # Create a unique set of manufacturer names
for idx, part in enumerate(SupplierPart.objects.all()): for index, row in enumerate(results):
pk, MPN, SKU, manufacturer_id, manufacturer_name = row
if part.manufacturer is not None: if manufacturer_id is not None:
print(" - Part '{p}' already has a manufacturer associated (skipping)".format(p=part)) print(f" - SupplierPart <{pk}> already has a manufacturer associated (skipping)")
continue continue
map_part_to_manufacturer(part, idx, part_count) map_part_to_manufacturer(pk, index, part_count)
print("Done!") print("Done!")

10
InvenTree/company/migrations/0024_unique_name_email_constraint.py
View File

@ -1,6 +1,14 @@
from django.db import migrations, models from django.db import migrations, models
def reverse_empty_email(apps, schema_editor):
Company = apps.get_model('company', 'Company')
for company in Company.objects.all():
if company.email == None:
company.email = ''
company.save()
def make_empty_email_field_null(apps, schema_editor): def make_empty_email_field_null(apps, schema_editor):
Company = apps.get_model('company', 'Company') Company = apps.get_model('company', 'Company')
for company in Company.objects.all(): for company in Company.objects.all():
@ -23,7 +31,7 @@ class Migration(migrations.Migration):
field=models.EmailField(blank=True, help_text='Contact email address', max_length=254, null=True, unique=False, verbose_name='Email'), field=models.EmailField(blank=True, help_text='Contact email address', max_length=254, null=True, unique=False, verbose_name='Email'),
), ),
# Convert empty email string to NULL # Convert empty email string to NULL
migrations.RunPython(make_empty_email_field_null), migrations.RunPython(make_empty_email_field_null, reverse_code=reverse_empty_email),
# Remove unique constraint on name field # Remove unique constraint on name field
migrations.AlterField( migrations.AlterField(
model_name='company', model_name='company',

2
InvenTree/company/migrations/0026_auto_20201110_1011.py
View File

@ -106,7 +106,7 @@ def reverse_currencies(apps, schema_editor):
# For each currency code in use, check if we have a matching Currency object # For each currency code in use, check if we have a matching Currency object
for code in codes_in_use: for code in codes_in_use:
response = cursor.execute(f"SELECT id, suffix from common_currency where suffix='{code}';") response = cursor.execute(f"SELECT id, suffix from common_currency where suffix='{code}';")
row = response.fetchone() row = cursor.fetchone()
if row is not None: if row is not None:
# A match exists! # A match exists!

2
InvenTree/part/migrations/0056_auto_20201110_1125.py
View File

@ -106,7 +106,7 @@ def reverse_currencies(apps, schema_editor):
# For each currency code in use, check if we have a matching Currency object # For each currency code in use, check if we have a matching Currency object
for code in codes_in_use: for code in codes_in_use:
response = cursor.execute(f"SELECT id, suffix from common_currency where suffix='{code}';") response = cursor.execute(f"SELECT id, suffix from common_currency where suffix='{code}';")
row = response.fetchone() row = cursor.fetchone()
if row is not None: if row is not None:
# A match exists! # A match exists!