diff options
Diffstat (limited to 'src/tools/vppapigen/generate_go.py')
| -rwxr-xr-x | src/tools/vppapigen/generate_go.py | 117 |
1 files changed, 67 insertions, 50 deletions
diff --git a/src/tools/vppapigen/generate_go.py b/src/tools/vppapigen/generate_go.py index 1e072ef1e1c..1fb53c715e2 100755 --- a/src/tools/vppapigen/generate_go.py +++ b/src/tools/vppapigen/generate_go.py @@ -5,6 +5,7 @@ import os import pathlib import subprocess import tarfile +import shutil import requests import sys @@ -13,38 +14,9 @@ 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, @@ -76,15 +48,24 @@ def install_golang(go_root): 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) @@ -103,23 +84,26 @@ def install_golang(go_root): # 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): @@ -127,12 +111,16 @@ def generate_api(output_dir, vpp_dir, api_list, import_prefix, no_source, go_pat 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") @@ -153,30 +141,59 @@ def generate_api(output_dir, vpp_dir, api_list, import_prefix, no_source, go_pat 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__": |