Added new option for using the package without installation

README.md

@@ -7,13 +7,22 @@ valid, but there is no guarantee for the implementation). All manipulations are
 done using algebra on function fields. This implements algorithms from
 [this work](https://arxiv.org/abs/2403.09449).
 
+This package was developped and tested using Sage version 10.3. There is no
+guarantee that it will work with an older version of Sage. For instance,
+structural differences in the function_field package of sage prevents
+vector_bundle from working with Sage version 9.2 and earlier. Please let me
+know wheter vector_bundle works for you if you use a version of Sage between 9.2
+and 10.3.
+
 ## Installation
 
+### If sage is built from source
+
 Download the source from the git repository:
 
     $ git clone https://git.disroot.org/montessiel/vector-bundles-sagemath.git
 
-Change to the root directory and run:
+Run the following from the root directory of the cloned repository:
 
     $ sage -pip install --upgrade --no-index -v .
 
@@ -23,6 +32,19 @@ shorthand:
 
     $ make install
 
+### Using the package without installation
+
+If you did not build Sage from sources, you can use this package without
+installing it. Download the source using.
+
+    $ git clone https://git.disroot.org/montessiel/vector-bundles-sagemath.git
+
+Reun the following from the root directory:
+
+    $ sage -python setup.py build_ext --inplace
+
+Add the `vector_bundle` directory to your Python `sys.path`
+
 ## Usage
 
 Once the package is installed, you can use it in Sage with:

setup.py

@@ -29,11 +29,9 @@ setup(
     name = "vector_bundle",
     version = readfile("VERSION").strip(), # the VERSION file is shared with the documentation
     description='A sage package implementing vector bundles on algebraic curves using only function fields',
-    long_description = readfile("README.rst"), # get the long description from the README
-    # For a Markdown README replace the above line by the following two lines:
-    #  long_description = readfile("README.md"),
-    #  long_description_content_type="text/markdown",
-    # url='https://github.com/sagemath/sage_sample',
+    long_description = readfile("README.md"),
+    long_description_content_type="text/markdown",
+    url='https://git.disroot.org/montessiel/vector-bundles-sagemath',
     author='Mickaël Montessinos',
     author_email='mickael.montessinos@mif.vu.lt', # choose a main contact email
     license='GPLv2+', # This should be consistent with the LICENCE file