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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 django.db import migrations, connection
from company.models import Company, SupplierPart
from django.db.utils import OperationalError, ProgrammingError
@ -21,25 +20,29 @@ def reverse_association(apps, schema_editor):
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
# This crucial otherwise the unit test suite fails!
if SupplierPart.objects.count() == 0:
if len(supplier_parts) == 0:
return
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))
cursor = connection.cursor()
print(f"Checking SupplierPart [{supplier_part_id}]:")
# 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
row = response.fetchone()
row = cursor.fetchone()
if len(row) > 0:
try:
@ -54,15 +57,15 @@ def reverse_association(apps, schema_editor):
print(" - Manufacturer ID: [{id}]".format(id=manufacturer_id))
# 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]
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):
"""
@ -100,10 +103,14 @@ def associate_manufacturers(apps, schema_editor):
return row[0]
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
# This crucial otherwise the unit test suite fails!
if SupplierPart.objects.count() == 0:
if len(supplier_parts) == 0:
return
# Link a 'manufacturer_name' to a 'Company'
@ -112,50 +119,66 @@ def associate_manufacturers(apps, schema_editor):
# Map company names to company objects
companies = {}
for company in Company.objects.all():
companies[company.name] = company
# Iterate through each company object
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 """
# Matches a company name directly
if name in companies.keys():
print(" - Part[{pk}]: '{n}' maps to existing manufacturer".format(pk=part.pk, n=name))
part.manufacturer = companies[name]
part.save()
print(" - Part[{pk}]: '{n}' maps to existing manufacturer".format(pk=part_id, n=name))
manufacturer_id = companies[name]
query = f"update part_supplierpart set manufacturer_id={manufacturer_id} where id={part_id};"
result = cursor.execute(query)
return True
# Have we already mapped this
if name in links.keys():
print(" - Part[{pk}]: Mapped '{n}' - '{c}'".format(pk=part.pk, n=name, c=links[name].name))
part.manufacturer = links[name]
part.save()
print(" - Part[{pk}]: Mapped '{n}' - '{c}'".format(pk=part_id, n=name, c=links[name].name))
query = f"update part_supplierpart set manufacturer_id={manufacturer_id} where id={part_id};"
result = query.execute()
return True
# Mapping not possible
return False
def create_manufacturer(part, input_name, company_name):
def create_manufacturer(part_id, input_name, company_name):
""" 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
company.save()
cursor.execute(new_manufacturer_query)
# 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
links[input_name] = company
links[company_name] = company
links[input_name] = manufacturer_id
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
part.manufacturer = company
part.save()
# Update SupplierPart object in the database
cursor.execute(f"update part_supplierpart set manufacturer_id={manufacturer_id} where id={part_id};")
def find_matches(text, threshold=65):
"""
@ -178,17 +201,19 @@ def associate_manufacturers(apps, schema_editor):
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
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
# Can be linked to an existing manufacturer
if link_part(part, name):
if link_part(part_id, name):
return
# Find a list of potential matches
@ -198,7 +223,7 @@ def associate_manufacturers(apps, schema_editor):
# Present a list of options
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("----------------------------------")
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
if n == 0:
create_manufacturer(part, name, name)
create_manufacturer(part_id, name, name)
return
# Options 1) - n) select an existing manufacturer
@ -232,21 +257,19 @@ def associate_manufacturers(apps, schema_editor):
if n < len(matches):
# Get the company which matches the selected options
company_name = matches[n]
company = companies[company_name]
company_id = companies[company_name]
# Ensure the company is designated as a manufacturer
company.is_manufacturer = True
company.save()
cursor.execute(f"update company_company set is_manufacturer=true where id={company_id};")
# Link the company to the part
part.manufacturer = company
part.save()
cursor.execute(f"update part_supplierpart set manufacturer_id={company_id} where id={part_id};")
# Link the name to the company
links[name] = company
links[company_name] = company
links[name] = company_id
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
else:
@ -270,7 +293,7 @@ def associate_manufacturers(apps, schema_editor):
# No match, create a new manufacturer
else:
create_manufacturer(part, name, response)
create_manufacturer(part_id, name, response)
return
clear()
@ -292,16 +315,22 @@ def associate_manufacturers(apps, schema_editor):
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
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:
print(" - Part '{p}' already has a manufacturer associated (skipping)".format(p=part))
if manufacturer_id is not None:
print(f" - SupplierPart <{pk}> already has a manufacturer associated (skipping)")
continue
map_part_to_manufacturer(part, idx, part_count)
map_part_to_manufacturer(pk, index, part_count)
print("Done!")

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

@ -1,6 +1,14 @@
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):
Company = apps.get_model('company', 'Company')
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'),
),
# 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
migrations.AlterField(
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 code in codes_in_use:
response = cursor.execute(f"SELECT id, suffix from common_currency where suffix='{code}';")
row = response.fetchone()
row = cursor.fetchone()
if row is not None:
# 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 code in codes_in_use:
response = cursor.execute(f"SELECT id, suffix from common_currency where suffix='{code}';")
row = response.fetchone()
row = cursor.fetchone()
if row is not None:
# A match exists!