Move lxml imports to runtime

Avoid loading these if unneeded

.gitignore

@@ -8,3 +8,4 @@ debian/pvc-*/
 debian/*.log
 debian/*.substvars
 debian/files
+client-cli/build/

client-cli/pvc/cli/cli.py

@@ -25,7 +25,6 @@ from functools import wraps
 from json import dump as jdump
 from json import dumps as jdumps
 from json import loads as jloads
-from lxml.etree import fromstring, tostring
 from os import environ, makedirs, path
 from re import sub, match
 from yaml import load as yload
@@ -1192,6 +1191,8 @@ def cli_vm_define(
 
     # Verify our XML is sensible
     try:
+        from lxml.etree import fromstring, tostring
+
         xml_data = fromstring(vmconfig_data)
         new_cfg = tostring(xml_data, pretty_print=True).decode("utf8")
     except Exception:
@@ -1377,6 +1378,9 @@ def cli_vm_modify(
 
     # Grab the current config
     current_vm_cfg_raw = vm_information.get("xml")
+
+    from lxml.etree import fromstring, tostring
+
     xml_data = fromstring(current_vm_cfg_raw)
     current_vm_cfgfile = tostring(xml_data, pretty_print=True).decode("utf8").strip()
 
@@ -1435,6 +1439,8 @@ def cli_vm_modify(
 
     # Verify our XML is sensible
     try:
+        from lxml.etree import fromstring, tostring
+
         xml_data = fromstring(new_vm_cfgfile)
         new_cfg = tostring(xml_data, pretty_print=True).decode("utf8")
     except Exception as e:
@@ -3265,6 +3271,9 @@ def cli_vm_dump(filename, domain):
         finish(False, 'ERROR: Could not find VM "{}"!'.format(domain))
 
     current_vm_cfg_raw = retdata.get("xml")
+
+    from lxml.etree import fromstring, tostring
+
     xml_data = fromstring(current_vm_cfg_raw)
     current_vm_cfgfile = tostring(xml_data, pretty_print=True).decode("utf8")
     xml = current_vm_cfgfile.strip()

client-cli/pvc/cli/helpers.py

@@ -20,7 +20,6 @@
 ###############################################################################
 
 from click import echo as click_echo
-from distutils.util import strtobool
 from json import load as jload
 from json import dump as jdump
 from os import chmod, environ, getpid, path, get_terminal_size
@@ -150,9 +149,7 @@ def get_config(store_data, connection=None):
     if connection == "local":
         config["verify_ssl"] = False
     else:
-        config["verify_ssl"] = bool(
-            strtobool(environ.get("PVC_CLIENT_VERIFY_SSL", "True"))
-        )
+        config["verify_ssl"] = environ.get("PVC_CLIENT_VERIFY_SSL", "True") == "True"
 
     return config
 

client-cli/pvc/lib/common.py

@@ -19,12 +19,13 @@
 #
 ###############################################################################
 
-import os
-import math
-import time
-import requests
-import click
 from ast import literal_eval
+from click import echo, progressbar
+from math import ceil
+from os.path import getsize
+from requests import get, post, put, patch, delete, Response
+from requests.exceptions import ConnectionError
+from time import time
 from urllib3 import disable_warnings
 
 
@@ -39,7 +40,7 @@ def format_bytes(size_bytes):
     }
     human_bytes = "0B"
     for unit in sorted(byte_unit_matrix, key=byte_unit_matrix.get):
-        formatted_bytes = int(math.ceil(size_bytes / byte_unit_matrix[unit]))
+        formatted_bytes = int(ceil(size_bytes / byte_unit_matrix[unit]))
         if formatted_bytes < 10000:
             human_bytes = "{}{}".format(formatted_bytes, unit)
             break
@@ -57,7 +58,7 @@ def format_metric(integer):
     }
     human_integer = "0"
     for unit in sorted(integer_unit_matrix, key=integer_unit_matrix.get):
-        formatted_integer = int(math.ceil(integer / integer_unit_matrix[unit]))
+        formatted_integer = int(ceil(integer / integer_unit_matrix[unit]))
         if formatted_integer < 10000:
             human_integer = "{}{}".format(formatted_integer, unit)
             break
@@ -97,12 +98,12 @@ def format_age(age_secs):
 
 class UploadProgressBar(object):
     def __init__(self, filename, end_message="", end_nl=True):
-        file_size = os.path.getsize(filename)
+        file_size = getsize(filename)
         file_size_human = format_bytes(file_size)
-        click.echo("Uploading file (total size {})...".format(file_size_human))
+        echo("Uploading file (total size {})...".format(file_size_human))
 
         self.length = file_size
-        self.time_last = int(round(time.time() * 1000)) - 1000
+        self.time_last = int(round(time() * 1000)) - 1000
         self.bytes_last = 0
         self.bytes_diff = 0
         self.is_end = False
@@ -114,7 +115,7 @@ class UploadProgressBar(object):
         else:
             self.end_suffix = ""
 
-        self.bar = click.progressbar(length=self.length, width=20, show_eta=True)
+        self.bar = progressbar(length=self.length, width=20, show_eta=True)
 
     def update(self, monitor):
         bytes_cur = monitor.bytes_read
@@ -123,7 +124,7 @@ class UploadProgressBar(object):
             self.is_end = True
         self.bytes_last = bytes_cur
 
-        time_cur = int(round(time.time() * 1000))
+        time_cur = int(round(time() * 1000))
         if (time_cur - 1000) > self.time_last:
             self.time_last = time_cur
             self.bar.update(self.bytes_diff)
@@ -132,13 +133,13 @@ class UploadProgressBar(object):
         if self.is_end:
             self.bar.update(self.bytes_diff)
             self.bytes_diff = 0
-            click.echo()
-            click.echo()
+            echo()
+            echo()
             if self.end_message:
-                click.echo(self.end_message + self.end_suffix, nl=self.end_nl)
+                echo(self.end_message + self.end_suffix, nl=self.end_nl)
 
 
-class ErrorResponse(requests.Response):
+class ErrorResponse(Response):
     def __init__(self, json_data, status_code, headers):
         self.json_data = json_data
         self.status_code = status_code
@@ -178,7 +179,7 @@ def call_api(
             for i in range(3):
                 failed = False
                 try:
-                    response = requests.get(
+                    response = get(
                         uri,
                         timeout=timeout,
                         headers=headers,
@@ -190,16 +191,14 @@ def call_api(
                         failed = True
                         continue
                     break
-                except requests.exceptions.ConnectionError:
+                except ConnectionError:
                     failed = True
                     continue
             if failed:
                 error = f"Code {response.status_code}" if response else "Timeout"
-                raise requests.exceptions.ConnectionError(
-                    f"Failed to connect after 3 tries ({error})"
-                )
+                raise ConnectionError(f"Failed to connect after 3 tries ({error})")
         if operation == "post":
-            response = requests.post(
+            response = post(
                 uri,
                 timeout=timeout,
                 headers=headers,
@@ -209,7 +208,7 @@ def call_api(
                 verify=config["verify_ssl"],
             )
         if operation == "put":
-            response = requests.put(
+            response = put(
                 uri,
                 timeout=timeout,
                 headers=headers,
@@ -219,7 +218,7 @@ def call_api(
                 verify=config["verify_ssl"],
             )
         if operation == "patch":
-            response = requests.patch(
+            response = patch(
                 uri,
                 timeout=timeout,
                 headers=headers,
@@ -228,7 +227,7 @@ def call_api(
                 verify=config["verify_ssl"],
             )
         if operation == "delete":
-            response = requests.delete(
+            response = patch, delete(
                 uri,
                 timeout=timeout,
                 headers=headers,
@@ -243,10 +242,10 @@ def call_api(
 
     # Display debug output
     if config["debug"]:
-        click.echo("API endpoint: {}".format(uri), err=True)
-        click.echo("Response code: {}".format(response.status_code), err=True)
-        click.echo("Response headers: {}".format(response.headers), err=True)
-        click.echo(err=True)
+        echo("API endpoint: {}".format(uri), err=True)
+        echo("Response code: {}".format(response.status_code), err=True)
+        echo("Response headers: {}".format(response.headers), err=True)
+        echo(err=True)
 
     # Return the response object
     return response

client-cli/pvc/lib/provisioner.py

@@ -19,11 +19,6 @@
 #
 ###############################################################################
 
-from requests_toolbelt.multipart.encoder import (
-    MultipartEncoder,
-    MultipartEncoderMonitor,
-)
-
 import pvc.lib.ansiprint as ansiprint
 from pvc.lib.common import UploadProgressBar, call_api, get_wait_retdata
 
@@ -549,6 +544,12 @@ def ova_upload(config, name, ova_file, params):
     bar = UploadProgressBar(
         ova_file, end_message="Parsing file on remote side...", end_nl=False
     )
+
+    from requests_toolbelt.multipart.encoder import (
+        MultipartEncoder,
+        MultipartEncoderMonitor,
+    )
+
     upload_data = MultipartEncoder(
         fields={"file": ("filename", open(ova_file, "rb"), "application/octet-stream")}
     )

client-cli/pvc/lib/storage.py

@@ -23,10 +23,6 @@ import math
 
 from os import path
 from json import loads
-from requests_toolbelt.multipart.encoder import (
-    MultipartEncoder,
-    MultipartEncoderMonitor,
-)
 
 import pvc.lib.ansiprint as ansiprint
 from pvc.lib.common import UploadProgressBar, call_api, get_wait_retdata
@@ -1212,6 +1208,12 @@ def ceph_volume_upload(config, pool, volume, image_format, image_file):
     bar = UploadProgressBar(
         image_file, end_message="Parsing file on remote side...", end_nl=False
     )
+
+    from requests_toolbelt.multipart.encoder import (
+        MultipartEncoder,
+        MultipartEncoderMonitor,
+    )
+
     upload_data = MultipartEncoder(
         fields={
             "file": ("filename", open(image_file, "rb"), "application/octet-stream")

client-cli/pyproject.toml

@@ -0,0 +1,21 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "pvc"
+version = "0.9.107"
+dependencies = [
+    "Click",
+    "PyYAML",
+    "lxml",
+    "colorama",
+    "requests",
+    "requests-toolbelt",
+]
+
+[tool.setuptools]
+packages = ["pvc.cli", "pvc.lib"]
+
+[project.scripts]
+pvc = "pvc.cli.cli:cli"

client-cli/setup.py

@@ -1,20 +0,0 @@
-from setuptools import setup
-
-setup(
-    name="pvc",
-    version="0.9.107",
-    packages=["pvc.cli", "pvc.lib"],
-    install_requires=[
-        "Click",
-        "PyYAML",
-        "lxml",
-        "colorama",
-        "requests",
-        "requests-toolbelt",
-    ],
-    entry_points={
-        "console_scripts": [
-            "pvc = pvc.cli.cli:cli",
-        ],
-    },
-)

debian/compat

@@ -1 +1 @@
-9
+13

debian/rules

@@ -7,13 +7,14 @@ export DH_VERBOSE = 1
 	dh $@ --with python3
 
 override_dh_python3:
-	cd $(CURDIR)/client-cli; pybuild --system=distutils --dest-dir=../debian/pvc-client-cli/
+	cd $(CURDIR)/client-cli; pybuild --system=pyproject --dest-dir=../debian/pvc-client-cli/
 	mkdir -p debian/pvc-client-cli/usr/lib/python3
 	mv debian/pvc-client-cli/usr/lib/python3*/* debian/pvc-client-cli/usr/lib/python3/
 	rm -r $(CURDIR)/client-cli/.pybuild $(CURDIR)/client-cli/pvc.egg-info
 
 override_dh_auto_clean:
-	find . -name "__pycache__" -o -name ".pybuild" -exec rm -fr {} + || true
+	find $(CURDIR) -name "__pycache__" -o -name ".pybuild" -exec rm -fr {} + || true
+	rm -r $(CURDIR)/client-cli/build
 
 # If you need to rebuild the Sphinx documentation
 # Add spinxdoc to the dh --with line