added support for deps imported from whl

Author: varmar05

.gitignore

@@ -3,4 +3,6 @@ __pycache__/
 *.egg
 *.egg-info
 dist
-*build
+*build
+*.whl
+.idea

README.md

@@ -1,3 +1,9 @@
 # Mergin python client
 
-Repo for mergin client and basic utils.
+Repo for mergin client and basic utils.
+
+For using mergin client with its dependencies locally run:
+
+    python3 setup.py sdist bdist_wheel
+    mkdir -p mergin/deps
+    pip wheel -r mergin_client.egg-info/requires.txt -w mergin/deps

mergin/client.py

@@ -1,15 +1,30 @@
 import os
 import re
 import json
-import pytz
 import zlib
 import base64
 import shutil
 import urllib.parse
 import urllib.request
-import dateutil.parser
 from datetime import datetime
-from requests_toolbelt import MultipartEncoder
+
+this_dir = os.path.dirname(os.path.realpath(__file__))
+
+try:
+    from requests_toolbelt import MultipartEncode
+    import pytz
+    import dateutil.parser
+except ImportError:
+    # this is to import all dependencies shipped with package (e.g. to use in qgis-plugin)
+    deps_dir = os.path.join(this_dir, 'deps')
+    if os.path.exists(deps_dir):
+        import sys
+        for f in os.listdir(os.path.join(deps_dir)):
+            sys.path.append(os.path.join(deps_dir, f))
+
+        from requests_toolbelt import MultipartEncode
+        import pytz
+        import dateutil.parser
 
 from .utils import save_to_file, generate_checksum, move_file
 from .multipart import MultipartReader, parse_boundary