lazy loaded clib

.flake8

@@ -0,0 +1,4 @@
+[flake8]
+max-line-length = 160
+exclude = pygeodiff/tests/*
+

README.md

@@ -120,26 +120,39 @@ Changes between datasets are read from and written to a [binary changeset format
 
 # Building geodiff
 
+## Deps
 Install postgresql client and sqlite3 library, e.g. for Linux
 ```bash
 sudo apt-get install libsqlite3-dev libpq-dev
 ```
-or MacOS (using SQLite from [QGIS deps](https://qgis.org/downloads/macos/deps/)) by defining SQLite variables in
-a cmake configuration as following:
-```bash
-SQLite3_INCLUDE_DIR=/opt/QGIS/qgis-deps-${QGIS_DEPS_VERSION}/stage/include
-SQLite3_LIBRARY=/opt/QGIS/qgis-deps-${QGIS_DEPS_VERSION}/stage/lib/libsqlite3.dylib
+
+alternatively you can build libraries yourself:
+for sqlite
+- download [autoconf version](https://www.sqlite.org/download.html)
+- extract 
+```
+  ./configure --enable-dynamic-extensions
+  make
 ```
 
 Compile geodiff:
 ```bash
 cd geodiff
 mkdir build
 cd build
-cmake .. -DWITH_POSTGRESQL=TRUE
+
+cmake \
+  -DWITH_POSTGRESQL=TRUE \
+  -DSQLite3_INCLUDE_DIR=../../sqlite-autoconf-3450000 \
+  -DSQLite3_LIBRARY=../../sqlite-autoconf-3450000/.libs/libsqlite3.a \
+../geodiff
+
 make
 ```
 
+if you get ```error: use of undeclared identifier 'sqlite3_enable_load_extension'``` make sure 
+you use sqlite with enabled dynamic extension.
+
 ## Development of geodiff
 
 ### Running tests
@@ -148,7 +161,7 @@ C++ tests: run `make test` or `ctest` to run all tests. Alternatively run just a
 
 Python tests: you need to setup GEODIFFLIB with path to .so/.dylib from build step
 ```bash
-GEODIFFLIB=`pwd`/../build/libgeodiff.dylib GEODIFFCLI=`pwd`/build/geodiff pytest
+GEODIFFLIB=`pwd`/build/libgeodiff.dylib GEODIFFCLI=`pwd`/build/geodiff pytest
 ```
 
 ### Releasing new version

geodiff/src/geodiff.cpp

@@ -34,7 +34,7 @@
 // use scripts/update_version.py to update the version here and in other places at once
 const char *GEODIFF_version()
 {
-  return "2.0.4";
+  return "2.1.0";
 }
 
 int GEODIFF_driverCount( GEODIFF_ContextH /*contextHandle*/ )

pygeodiff/__about__.py

@@ -2,7 +2,7 @@
 __description__ = "Diff tool for geo-spatial data"
 __url__ = "https://github.com/MerginMaps/geodiff"
 # use scripts/update_version.py to update the version here and in other places at once
-__version__ = "2.0.4"
+__version__ = "2.1.0"
 __author__ = "Lutra Consulting Ltd."
 __author_email__ = "[email protected]"
 __maintainer__ = "Lutra Consulting Ltd."