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#!/usr/bin/env python3
"""
This script should use a very simple, functional programming style.
Avoid Jinja macros in favor of native Python functions.
Don't go overboard on code generation; use Python only to generate
content that can't be easily declared statically using CircleCI's YAML API.
Data declarations (e.g. the nested loops for defining the configuration matrix)
should be at the top of the file for easy updating.
See this comment for design rationale:
https://github.com/pytorch/vision/pull/1321#issuecomment-531033978
"""
import os.path
import jinja2
import yaml
from jinja2 import select_autoescape
PYTHON_VERSIONS = ["3.7", "3.8", "3.9", "3.10"]
DOC_VERSION = ("linux", "3.8")
def build_workflows(prefix="", upload=False, filter_branch=None, indentation=6):
w = []
for btype in ["wheel", "conda"]:
for os_type in ["linux", "macos", "windows"]:
for python_version in PYTHON_VERSIONS:
fb = filter_branch
if not fb and (os_type == "linux" and btype == "wheel" and python_version == "3.8"):
# the fields must match the build_docs "requires" dependency
fb = "/.*/"
w += build_workflow_pair(btype, os_type, python_version, fb, prefix, upload)
if not filter_branch:
# Build on every pull request, but upload only on nightly and tags
w += build_doc_job("/.*/")
w += upload_doc_job("nightly")
return indent(indentation, w)
def build_workflow_pair(btype, os_type, python_version, filter_branch, prefix="", upload=False):
w = []
base_workflow_name = f"{prefix}binary_{os_type}_{btype}_py{python_version}"
w.append(generate_base_workflow(base_workflow_name, python_version, filter_branch, os_type, btype))
if upload:
w.append(generate_upload_workflow(base_workflow_name, filter_branch, btype))
if filter_branch == "nightly" and os_type in ["linux", "windows"]:
pydistro = "pip" if btype == "wheel" else "conda"
w.append(generate_smoketest_workflow(pydistro, base_workflow_name, filter_branch, python_version, os_type))
return w
def build_doc_job(filter_branch):
job = {
"name": "build_docs",
"python_version": "3.8",
"requires": [
"binary_linux_wheel_py3.8",
],
}
if filter_branch:
job["filters"] = gen_filter_branch_tree(filter_branch)
return [{"build_docs": job}]
def upload_doc_job(filter_branch):
job = {
"name": "upload_docs",
"context": "org-member",
"python_version": "3.8",
"requires": [
"build_docs",
],
}
if filter_branch:
job["filters"] = gen_filter_branch_tree(filter_branch)
return [{"upload_docs": job}]
def generate_base_workflow(base_workflow_name, python_version, filter_branch, os_type, btype):
d = {
"name": base_workflow_name,
"python_version": python_version,
}
if filter_branch:
d["filters"] = gen_filter_branch_tree(filter_branch)
return {f"binary_{os_type}_{btype}": d}
def gen_filter_branch_tree(branch_name):
return {
"branches": {"only": branch_name},
"tags": {
# Using a raw string here to avoid having to escape
# anything
"only": r"/v[0-9]+(\.[0-9]+)*-rc[0-9]+/"
},
}
def generate_upload_workflow(base_workflow_name, filter_branch, btype):
d = {
"name": f"{base_workflow_name}_upload",
"context": "org-member",
"requires": [base_workflow_name],
}
if filter_branch:
d["filters"] = gen_filter_branch_tree(filter_branch)
return {f"binary_{btype}_upload": d}
def generate_smoketest_workflow(pydistro, base_workflow_name, filter_branch, python_version, os_type):
required_build_suffix = "_upload"
required_build_name = base_workflow_name + required_build_suffix
smoke_suffix = f"smoke_test_{pydistro}"
d = {
"name": f"{base_workflow_name}_{smoke_suffix}",
"requires": [required_build_name],
"python_version": python_version,
}
if filter_branch:
d["filters"] = gen_filter_branch_tree(filter_branch)
return {"smoke_test_{os_type}_{pydistro}".format(os_type=os_type, pydistro=pydistro): d}
def indent(indentation, data_list):
return ("\n" + " " * indentation).join(yaml.dump(data_list).splitlines())
def unittest_workflows(indentation=6):
w = []
for os_type in ["linux", "windows", "macos"]:
for python_version in PYTHON_VERSIONS:
w.append(
{
f"unittest_{os_type}": {
"name": f"unittest_{os_type}_py{python_version}",
"python_version": python_version,
}
}
)
return indent(indentation, w)
if __name__ == "__main__":
d = os.path.dirname(__file__)
env = jinja2.Environment(
loader=jinja2.FileSystemLoader(d),
lstrip_blocks=True,
autoescape=select_autoescape(enabled_extensions=("html", "xml")),
)
with open(os.path.join(d, "config.yml"), "w") as f:
f.write(
env.get_template("config.yml.in").render(
build_workflows=build_workflows,
unittest_workflows=unittest_workflows,
)
)
f.write("\n")
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