New command: init. Looks for kicad schematic and pcb files, creates

  .ee/config.
ninja tool:
o Use project's config to check for sch and pcb files.
o Use some more conditionals in build.ninja.j2.
unlockoslo: Adding demo project.

3 files changed, 73 insertions, 21 deletions

diff --git a/src/ee/tools/init.py b/src/ee/tools/init.py
index a3e0472..81bdda3 100644
--- a/src/ee/tools/init.py
+++ b/src/ee/tools/init.py
@@ -1,10 +1,53 @@
 import argparse
 from pathlib import Path
+from typing import List
+
+from ee.project import Project
+import configparser
+
+
+def init_kicad_project(basedir: Path, cfg):
+    print("basedir={}".format(basedir))
+    pro_files: List[Path] = [f for f in basedir.iterdir() if f.name.endswith(".pro")]
+
+    if len(pro_files) == 0:
+        return
+
+    if len(pro_files) == 1:
+        pro_file = pro_files[0]
+        sch_file: Path = pro_file.parent / (pro_file.name[0:-4] + ".sch")
+        pcb_file: Path = pro_file.parent / (pro_file.name[0:-4] + ".kicad_pcb")
+
+        cfg.add_section("kicad-project")
+
+        if sch_file.is_file():
+            print("Found KiCAD project and schematic")
+            cfg["kicad-project"]["sch"] = str(sch_file)
+
+        if pcb_file.is_file():
+            cfg["kicad-project"]["pcb"] = str(pcb_file)
+    else:
+        print("Found more than one kicad project file.")
+
+
+def init(project_dir: Path, basedir: Path):
+    cfg = configparser.ConfigParser()
+    project = Project(project_dir, cfg)
+
+    init_kicad_project(basedir, cfg)
+
+    print("Saving project. Now run 'ee ninja' to generate Ninja build file")
+    project.save()
 
-from ee.project import init
 
 parser = argparse.ArgumentParser()
 
+parser.add_argument("--basedir",
+                    metavar="DIR")
+
 args = parser.parse_args()
 
-init(Path("."))
+if not args.basedir:
+    args.basedir = "."
+
+init(Path("."), Path(args.basedir))
diff --git a/src/ee/tools/ninja.py b/src/ee/tools/ninja.py
index f04b174..a5bbe5b 100644
--- a/src/ee/tools/ninja.py
+++ b/src/ee/tools/ninja.py
@@ -40,7 +40,7 @@ def noext_filter(s: Union[str, Path]) -> str:
     return os.path.splitext(os.path.basename(str(s)))[0]
 
 
-def generate(project: Project, sch_path: Path, kicad_bom_strategy: Optional[str]):
+def generate(project: Project, kicad_bom_strategy: Optional[str]):
     def _create_env():
         e = Environment(
             loader=PackageLoader(__name__, "templates"),
@@ -53,22 +53,31 @@ def generate(project: Project, sch_path: Path, kicad_bom_strategy: Optional[str]
         e.filters["noext"] = noext_filter
         return e
 
-    gerber_zip = "prod/gerber.zip"
-
-    sch = read_schematics(str(sch_path))
-
-    sch_files = sorted([s.path for s in sch.schematics])
-
     part_dbs = []
     params = {
         "ee": "{} -m ee".format(os.path.relpath(sys.executable, Path("."))),
         "project": project,
-        "sch": sch_path,
-        "sch_files": sch_files, "kicad_bom_strategy": kicad_bom_strategy,
-        "pcb": str(sch_path).replace(".sch", ".kicad_pcb"),
         "part_dbs": part_dbs,
     }
 
+    gerber_zip = None
+
+    if project.cfg.has_section("kicad-project"):
+        kp = project.cfg["kicad-project"]
+        if "sch" in kp:
+            sch_path = Path(project.cfg["kicad-project"]["sch"])
+            sch = read_schematics(str(sch_path))
+
+            sch_files = sorted([s.path for s in sch.schematics])
+
+            params["sch"] = sch_path
+            params["sch_files"] = sch_files
+            params["kicad_bom_strategy"] = kicad_bom_strategy
+
+        if "pcb" in kp:
+            params["pcb"] = Path(project.cfg["kicad-project"]["pcb"])
+            gerber_zip = "prod/gerber.zip"
+
     # TODO: read from config
     distributors = ["digikey"]
     params["distributors"] = distributors
@@ -77,10 +86,9 @@ def generate(project: Project, sch_path: Path, kicad_bom_strategy: Optional[str]
         params["gerber_zip"] = gerber_zip
 
     # ee_dir = sch_path.parent / "ee"
-    ee_dir = Path(".")
-    build_ninja = ee_dir / "build.ninja"
+    build_ninja = project.project_dir / "build.ninja"
 
-    parts_yaml_files = [path for path in ee_dir.iterdir() if str(path).endswith("-parts.yaml")]
+    parts_yaml_files = [path for path in project.project_dir.iterdir() if str(path).endswith("-parts.yaml")]
     params["parts_yaml_files"] = parts_yaml_files
 
     # Local part databases first
@@ -95,15 +103,10 @@ def generate(project: Project, sch_path: Path, kicad_bom_strategy: Optional[str]
 
 parser = argparse.ArgumentParser()
 
-parser.add_argument("--sch",
-                    required=True,
-                    metavar="FILE")
-
 parser.add_argument("--kicad-bom-strategy",
                     required=False,
                     metavar="PY CALLABLE")
 
 args = parser.parse_args()
 
-project = Project.load()
-generate(project, Path(args.sch), args.kicad_bom_strategy)
+generate(Project.load(), args.kicad_bom_strategy)
diff --git a/src/ee/tools/templates/build.ninja.j2 b/src/ee/tools/templates/build.ninja.j2
index 514e177..080ac65 100644
--- a/src/ee/tools/templates/build.ninja.j2
+++ b/src/ee/tools/templates/build.ninja.j2
@@ -1,8 +1,12 @@
 ee = {{ ee }}
 report_dir = {{ project.report_dir }}
+{%- if sch is defined %}
 sch = {{ sch | ninja_path }}
 sch_files = {{ sch_files | ninja_path }}
+{%- endif %}
+{%- if pcb is defined %}
 pcb = {{ pcb | ninja_path }}
+{%- endif %}
 
 rule kicad-gerber
     description = kicad-gerber
@@ -51,8 +55,10 @@ build {{ gerber_zip }}: kicad-gerber $pcb
     gerber_dir = {{ gerber_zip | parent_dir }}
 {%- endif %}
 
+{% if sch is defined -%}
 build ee/sch.xml: kicad-make-bom $sch
     strategy ={{ " --strategy " + kicad_bom_strategy if kicad_bom_strategy else "" }}
+{% endif -%}
 {% for d in distributors %}
 # Distributor {{ d }}
 build ee/{{ d }}/search-list.xml: part-create-distributor-search-list ee/sch.xml