Rename master to main (#4405)

.github/PULL_REQUEST_TEMPLATE.md

@@ -18,5 +18,5 @@
 * [ ] Tests pass on CI and coverage remains at 100%
 * [ ] Documentation reflects the changes where applicable
 * [ ] `changes/<pull request or issue id>-<github username>.md` file added describing change
-  (see [changes/README.md](https://github.com/pydantic/pydantic/blob/master/changes/README.md) for details)
+  (see [changes/README.md](https://github.com/pydantic/pydantic/blob/main/changes/README.md) for details)
 * [ ] My PR is ready to review, **please add a comment including the phrase "please review" to assign reviewers**

.github/workflows/ci.yml

@@ -3,7 +3,7 @@ name: CI
 on:
   push:
     branches:
-      - master
+      - main
     tags:
       - '**'
   pull_request: {}
@@ -308,7 +308,7 @@ jobs:
   build:
     name: build py3.${{ matrix.python-version }} on ${{ matrix.platform || matrix.os }}
     needs: [lint, test-linux-compiled, test-not-compiled, test-old-mypy, test-fastapi]
-    if: "success() && (startsWith(github.ref, 'refs/tags/') || github.ref == 'refs/heads/master')"
+    if: "success() && (startsWith(github.ref, 'refs/tags/') || github.ref == 'refs/heads/main')"
     strategy:
       fail-fast: false
       matrix:

README.md

@@ -1,12 +1,12 @@
 # pydantic
 
-[![CI](https://github.com/pydantic/pydantic/workflows/CI/badge.svg?event=push)](https://github.com/pydantic/pydantic/actions?query=event%3Apush+branch%3Amaster+workflow%3ACI)
+[![CI](https://github.com/pydantic/pydantic/workflows/CI/badge.svg?event=push)](https://github.com/pydantic/pydantic/actions?query=event%3Apush+branch%3Amain+workflow%3ACI)
 [![Coverage](https://coverage-badge.samuelcolvin.workers.dev/samuelcolvin/pydantic.svg?v=1)](https://coverage-badge.samuelcolvin.workers.dev/redirect/samuelcolvin/pydantic)
 [![pypi](https://img.shields.io/pypi/v/pydantic.svg)](https://pypi.python.org/pypi/pydantic)
 [![CondaForge](https://img.shields.io/conda/v/conda-forge/pydantic.svg)](https://anaconda.org/conda-forge/pydantic)
 [![downloads](https://pepy.tech/badge/pydantic/month)](https://pepy.tech/project/pydantic)
 [![versions](https://img.shields.io/pypi/pyversions/pydantic.svg)](https://github.com/pydantic/pydantic)
-[![license](https://img.shields.io/github/license/samuelcolvin/pydantic.svg)](https://github.com/pydantic/pydantic/blob/master/LICENSE)
+[![license](https://img.shields.io/github/license/samuelcolvin/pydantic.svg)](https://github.com/pydantic/pydantic/blob/main/LICENSE)
 
 Data validation and settings management using Python type hints.
 

changes/4405-hramezani.md

@@ -0,0 +1 @@
+Rename `master` to `main`

docs/index.md

@@ -1,9 +1,9 @@
-[![CI](https://github.com/pydantic/pydantic/workflows/CI/badge.svg?event=push)](https://github.com/pydantic/pydantic/actions?query=event%3Apush+branch%3Amaster+workflow%3ACI)
-[![Coverage](https://coverage-badge.samuelcolvin.workers.dev/samuelcolvin/pydantic.svg)](https://github.com/pydantic/pydantic/actions?query=event%3Apush+branch%3Amaster+workflow%3ACI)
+[![CI](https://github.com/pydantic/pydantic/workflows/CI/badge.svg?event=push)](https://github.com/pydantic/pydantic/actions?query=event%3Apush+branch%3Amain+workflow%3ACI)
+[![Coverage](https://coverage-badge.samuelcolvin.workers.dev/samuelcolvin/pydantic.svg)](https://github.com/pydantic/pydantic/actions?query=event%3Apush+branch%3Amain+workflow%3ACI)
 [![pypi](https://img.shields.io/pypi/v/pydantic.svg)](https://pypi.python.org/pypi/pydantic)
 [![CondaForge](https://img.shields.io/conda/v/conda-forge/pydantic.svg)](https://anaconda.org/conda-forge/pydantic)
 [![downloads](https://pepy.tech/badge/pydantic/month)](https://pepy.tech/project/pydantic)
-[![license](https://img.shields.io/github/license/samuelcolvin/pydantic.svg)](https://github.com/pydantic/pydantic/blob/master/LICENSE)
+[![license](https://img.shields.io/github/license/samuelcolvin/pydantic.svg)](https://github.com/pydantic/pydantic/blob/main/LICENSE)
 
 {!.version.md!}
 

docs/install.md

@@ -74,7 +74,7 @@ Of course, you can also install these requirements manually with `pip install em
 
 And if you prefer to install *pydantic* directly from the repository:
 ```bash
-pip install git+git://github.com/pydantic/pydantic@master#egg=pydantic
+pip install git+git://github.com/pydantic/pydantic@main#egg=pydantic
 # or with extras
-pip install git+git://github.com/pydantic/pydantic@master#egg=pydantic[email,dotenv]
+pip install git+git://github.com/pydantic/pydantic@main#egg=pydantic[email,dotenv]
 ```

docs/usage/models.md

@@ -155,7 +155,7 @@ Here a vanilla class is used to demonstrate the principle, but any ORM class cou
 ### Data binding
 
 Arbitrary classes are processed by *pydantic* using the `GetterDict` class (see
-[utils.py](https://github.com/pydantic/pydantic/blob/master/pydantic/utils.py)), which attempts to
+[utils.py](https://github.com/pydantic/pydantic/blob/main/pydantic/utils.py)), which attempts to
 provide a dictionary-like interface to any class. You can customise how this works by setting your own
 sub-class of `GetterDict` as the value of `Config.getter_dict` (see [config](model_config.md)).
 

pydantic/datetime_parse.py

@@ -6,7 +6,7 @@
 - They're more flexible for datetimes.
 - The date/datetime/time constructors produce friendlier error messages.
 
-Stolen from https://raw.githubusercontent.com/django/django/master/django/utils/dateparse.py at
+Stolen from https://raw.githubusercontent.com/django/django/main/django/utils/dateparse.py at
 9718fa2e8abe430c3526a9278dd976443d4ae3c6
 
 Changed to:

tests/test_datetime_parse.py

@@ -1,5 +1,5 @@
 """
-Stolen from https://github.com/django/django/blob/master/tests/utils_tests/test_dateparse.py at
+Stolen from https://github.com/django/django/blob/main/tests/utils_tests/test_dateparse.py at
 9718fa2e8abe430c3526a9278dd976443d4ae3c6
 
 Changed to: