From 53d38a81154a0cf5adbe798af6a9af739079e65b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maxime=20=E2=80=9Cpep=E2=80=9D=20Buquet?= <pep@bouah.net>
Date: Sat, 19 Mar 2022 10:26:09 +0100
Subject: setup.py: add cryptography in extras_require; update example
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Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>
---
 .gitlab-ci.yml          |  6 +++---
 examples/http_upload.py | 18 ++++++++++++++++--
 setup.py                |  8 +++++++-
 3 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 69bd7b7a..ebcc24eb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -20,7 +20,7 @@ test:
   script:
     - apt update
     - apt install -y python3 python3-pip cython3 gpg
-    - pip3 install emoji aiohttp
+    - pip3 install emoji aiohttp cryptography
     - ./run_tests.py
 
 test-3.10:
@@ -31,7 +31,7 @@ test-3.10:
   script:
     - apt update
     - apt install -y python3 python3-pip cython3 gpg
-    - pip3 install emoji aiohttp
+    - pip3 install emoji aiohttp cryptography
     - ./run_tests.py
 
 test-3.11:
@@ -43,7 +43,7 @@ test-3.11:
   script:
     - apt update
     - apt install -y python3 python3-pip cython3 gpg
-    - pip3 install emoji aiohttp
+    - pip3 install emoji aiohttp cryptography
     - ./run_tests.py
 
 test_integration:
diff --git a/examples/http_upload.py b/examples/http_upload.py
index 7f1c44bc..b62c736e 100755
--- a/examples/http_upload.py
+++ b/examples/http_upload.py
@@ -48,7 +48,15 @@ class HttpUpload(slixmpp.ClientXMPP):
         log.info('Uploading file %s...', self.filename)
         try:
             upload_file = self['xep_0363'].upload_file
-            if self.encrypted:
+            if self.encrypted and not self['xep_0454']:
+                print(
+                    'The xep_0454 module isn\'t available. '
+                    'Ensure you have \'cryptography\' '
+                    'from extras_require installed.',
+                    file=sys.stderr,
+                )
+                return
+            elif self.encrypted:
                 upload_file = self['xep_0454'].upload_file
             url = await upload_file(
                 self.filename, domain=self.domain, timeout=10,
@@ -135,7 +143,13 @@ if __name__ == '__main__':
     xmpp.register_plugin('xep_0071')
     xmpp.register_plugin('xep_0128')
     xmpp.register_plugin('xep_0363')
-    xmpp.register_plugin('xep_0454')
+    try:
+        xmpp.register_plugin('xep_0454')
+    except slixmpp.plugins.base.PluginNotFound:
+        log.error(
+            'Could not load xep_0454. '
+            'Ensure you have \'cryptography\' from extras_require installed.'
+        )
 
     # Connect to the XMPP server and start processing XMPP stanzas.
     xmpp.connect()
diff --git a/setup.py b/setup.py
index bcbcdf56..4830efcc 100755
--- a/setup.py
+++ b/setup.py
@@ -86,10 +86,16 @@ setup(
     package_data={'slixmpp': ['py.typed']},
     packages=packages,
     ext_modules=ext_modules,
-    install_requires=['aiodns>=1.0', 'pyasn1', 'pyasn1_modules', 'typing_extensions; python_version < "3.8.0"'],
+    install_requires=[
+        'aiodns>=1.0',
+        'pyasn1',
+        'pyasn1_modules',
+        'typing_extensions; python_version < "3.8.0"',
+    ],
     extras_require={
         'XEP-0363': ['aiohttp'],
         'XEP-0444 compliance': ['emoji'],
+        'XEP-0454': ['cryptography'],
         'Safer XML parsing': ['defusedxml'],
     },
     classifiers=CLASSIFIERS,
-- 
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