import pathlib
import subprocess
import tarfile
+import shutil
import requests
import sys
# GoVPP API generator generates Go bindings compatible with the local VPP
#
-parser = argparse.ArgumentParser()
-parser.add_argument("-govpp-commit", help="GoVPP commit or branch (defaults to v0.3.5-45-g671f16c)",
- default="671f16c", # fixed GoVPP version
- type=str)
-parser.add_argument("-output-dir", help="output target directory for generated bindings", type=str)
-parser.add_argument("-api-files", help="api files to generate (without commas)", nargs="+", type=str)
-parser.add_argument("-import-prefix", help="prefix imports in the generated go code", type=str)
-parser.add_argument("-no-source-path-info", help="disable source path info in generated files", nargs='?', const=True,
- default=False)
-args = parser.parse_args()
-
-
-# Check input arguments
-def validate_args(vpp_dir, o, f, c, i):
- if o is not None:
- if not os.path.exists(o) or os.path.isfile(o):
- print(o + " is not a valid output path")
- sys.exit(1)
- else:
- o = vpp_dir
- if f is None:
- f = []
- if c is None:
- c = "671f16c"
- if i is None:
- i = ""
-
- return str(o), f, c, i
-
-# Returns version of the installed Go
def get_go_version(go_root):
+ # Returns version of the installed Go
p = subprocess.Popen(["./go", "version"],
cwd=go_root + "/bin",
stdout=subprocess.PIPE,
print('Go ' + get_go_version(go_root) + ' is already installed')
return
+ filename = requests.get(
+ 'https://golang.org/VERSION?m=text').text + ".linux-amd64.tar.gz"
+ url = "https://dl.google.com/go/" + filename
+
print("Go binary not found, installing the latest version...")
+ print("Download url = %s" % url)
+ print("Install directory = %s" % go_root)
+ text = input("[Y/n] ?")
+
+ if text.strip().lower() != "y" and text.strip().lower() != "yes":
+ print("Aborting...")
+ exit(1)
+
go_folders = ['src', 'pkg', 'bin']
for f in go_folders:
if not os.path.exists(os.path.join(go_root, f)):
os.makedirs(os.path.join(go_root, f))
-
- filename = requests.get('https://golang.org/VERSION?m=text').text + ".linux-amd64.tar.gz"
- url = "https://dl.google.com/go/" + filename
r = requests.get(url)
with open("/tmp/" + filename, 'wb') as f:
f.write(r.content)
# Installs latest binary API generator
def install_binapi_gen(c, go_root, go_path):
os.environ['GO111MODULE'] = "on"
- if os.path.exists(go_root + "/bin/go") & os.path.isfile(go_root + "/bin/go"):
- p = subprocess.Popen(["./go", "get", "git.fd.io/govpp.git/cmd/binapi-generator@" + c],
+ if (os.path.exists(go_root + "/bin/go") and
+ os.path.isfile(go_root + "/bin/go")):
+ p = subprocess.Popen(["./go", "get",
+ "git.fd.io/govpp.git/cmd/binapi-generator@" + c],
cwd=go_root + "/bin",
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
universal_newlines=True, )
_, error = p.communicate()
if p.returncode != 0:
- print("binapi generator installation failed: %d %s" % (p.returncode, error))
+ print("binapi generator installation failed: %d %s" %
+ (p.returncode, error))
sys.exit(1)
bg_ver = get_binapi_gen_version(go_path)
print('Installed binary API generator ' + bg_ver)
# Creates generated bindings using GoVPP binapigen to the target folder
-def generate_api(output_dir, vpp_dir, api_list, import_prefix, no_source, go_path):
- output_binapi = output_dir + "binapi" if output_dir[-1] == "/" else output_dir + "/binapi"
+def generate_api(output_dir, vpp_dir, api_list, import_prefix,
+ no_source, go_path):
json_dir = vpp_dir + "/build-root/install-vpp-native/vpp/share/vpp/api"
if not os.path.exists(json_dir):
sys.exit(1)
print("Generating API")
- cmd = ["./binapi-generator", "--output-dir=" + output_binapi, "--input-dir=" + json_dir]
+ cmd = ["./binapi-generator", "--input-dir=" + json_dir]
+ if output_dir:
+ cmd += ["--output-dir=" + output_dir]
if len(api_list):
- print("Following API files were requested by 'GO_API_FILES': " + str(api_list))
- print("Note that dependency requirements may generate additional API files")
+ print("Following API files were requested by 'GO_API_FILES': " +
+ str(api_list))
+ print("Note that dependency requirements may generate "
+ "additional API files")
cmd.append(api_list)
- if not import_prefix == "":
+ if import_prefix:
cmd.append("-import-prefix=" + import_prefix)
if no_source:
cmd.append("-no-source-path-info")
print(msg, end=" ")
print("\n")
- print("Go API bindings were generated to " + output_binapi)
+ print("Go API bindings were generated to " + output_dir)
def main():
# project root directory
root = pathlib.Path(os.path.dirname(os.path.abspath(__file__)))
- vpp_dir: str = root.parent.parent.parent
-
- o, f, c, i = validate_args(vpp_dir, args.output_dir, args.api_files, args.govpp_commit,
- args.import_prefix)
+ vpp_dir = root.parent.parent.parent
+
+ parser = argparse.ArgumentParser()
+ parser.add_argument("-govpp-commit", "--govpp-commit",
+ help="GoVPP commit or branch "
+ "(defaults to v0.3.5-45-g671f16c)",
+ default="671f16c", # fixed GoVPP version
+ type=str)
+ parser.add_argument("-output-dir", "--output-dir",
+ help="output target directory for generated bindings",
+ type=str,
+ default=os.path.join(vpp_dir, "vppbinapi"))
+ parser.add_argument("-api-files", "--api-files",
+ help="api files to generate (without commas)",
+ nargs="+",
+ type=str,
+ default=[])
+ parser.add_argument("-import-prefix", "--import-prefix",
+ help="prefix imports in the generated go code",
+ default="",
+ type=str)
+ parser.add_argument("-no-source-path-info", "--no-source-path-info",
+ help="disable source path info in generated files",
+ nargs='?',
+ const=True,
+ default=True)
+ args = parser.parse_args()
# go specific environment variables
if "GOROOT" in os.environ:
go_root = os.environ['GOROOT']
else:
- go_root = os.environ['HOME'] + "/.go"
+ go_binary = shutil.which("go")
+ if go_binary != "":
+ go_binary_dir, _ = os.path.split(go_binary)
+ go_root = os.path.join(go_binary_dir, "..")
+ else:
+ go_root = os.environ['HOME'] + "/.go"
if "GOPATH" in os.environ:
go_path = os.environ['GOPATH']
else:
go_path = os.environ['HOME'] + "/go"
install_golang(go_root)
- install_binapi_gen(c, go_root, go_path)
- generate_api(o, str(vpp_dir), f, i, args.no_source_path_info, go_path)
+ install_binapi_gen(args.govpp_commit, go_root, go_path)
+ generate_api(args.output_dir, str(vpp_dir), args.api_files,
+ args.import_prefix, args.no_source_path_info, go_path)
if __name__ == "__main__":
Code Review / vpp.git / commitdiff