Command report

report command can expand a report (Geist template) using dataset(s).

Here are options of the report command: 

Usage: geist report [OPTIONS]

Expand a report using dataset(s)

Options:
-ifile, --inputfile FILENAME   Path of the file containing the report
                                template to expand  [required]
-oroot, --outputroot TEXT      Path of the directory to store the expanded
                                report (default: current directory)
-so, --suppressoutput BOOLEAN  Suppress output or not (default: False)
-a, --args <TEXT TEXT>...      Arguments to be passed to the report
                                 template, e.g., (arg, value) indicates that
                                 {{ arg }} in the report template will be
                                 replaced by value
--help                         Show this message and exit.

Example 1: expand a report from stdin 
geist report << END_TEMPLATE

{% create "test", datastore="rdflib", inputformat="nt", isfilepath=False %}
    <http://example.com/drewp> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
    <http://example.com/drewp> <http://example.com/says> "Hello World" .
{% endcreate %}

{% query "test", datastore="rdflib", isfilepath=False as all_triples %}
    SELECT ?s ?p ?o
    WHERE {
        ?s ?p ?o
    }
    ORDER BY ?s ?p ?o
{% endquery %}

{% for _, row in all_triples.iterrows() %}
    Subject: {{ row["s"] }}, Predicate: {{ row["p"] }}, Object: {{ row["o"] }}.
{% endfor %}

{% destroy "test", datastore="rdflib" %}

END_TEMPLATE
Example 2: expand a report from a file 
geist report --inputfile report.geist

Here is the report.geist file: 

{% create "test", datastore="rdflib", inputformat="nt", isfilepath=False %}
    <http://example.com/drewp> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
    <http://example.com/drewp> <http://example.com/says> "Hello World" .
{% endcreate %}

{% query "test", datastore="rdflib", isfilepath=False as all_triples %}
    SELECT ?s ?p ?o
    WHERE {
        ?s ?p ?o
    }
    ORDER BY ?s ?p ?o
{% endquery %}

{% for _, row in all_triples.iterrows() %}
    Subject: {{ row["s"] }}, Predicate: {{ row["p"] }}, Object: {{ row["o"] }}.
{% endfor %}

{% destroy "test", datastore="rdflib" %}

Example 3: expand a report from a file with external arguments 
geist report --inputfile report.geist --args sentence "Hello World" --args feeling Happy

Here is the report.geist file: 

{% create "test", datastore="rdflib", inputformat="nt", isfilepath=False %}
    <http://example.com/drewp> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://xmlns.com/foaf/0.1/Person> .
    <http://example.com/drewp> <http://example.com/says> "{{ sentence }}" .
    <http://example.com/drewp> <http://example.com/feels> "{{ feeling }}" .
{% endcreate %}

{% query "test", datastore="rdflib", isfilepath=False as all_triples %}
    SELECT ?s ?p ?o
    WHERE {
        ?s ?p ?o
    }
    ORDER BY ?s ?p ?o
{% endquery %}

{% for _, row in all_triples.iterrows() %}
    Subject: {{ row["s"] }}, Predicate: {{ row["p"] }}, Object: {{ row["o"] }}.
{% endfor %}

{% destroy "test", datastore="rdflib" %}