Add working file discovery and destination file structure creation

5 files changed, 99 insertions, 22 deletions

diff --git a/src/pyssg/discovery.py b/src/pyssg/discovery.py
new file mode 100644
index 0000000..39c8bb1
--- /dev/null
+++ b/src/pyssg/discovery.py
@@ -0,0 +1,40 @@
+import os
+
+
+def get_file_list(extensions: list[str], exclude: list[str]=None) -> list[str]:
+    cwd = os.getcwd()
+
+    out = []
+    for root, dirs, files in os.walk(cwd):
+        if exclude is not None:
+            dirs[:] = [d for d in dirs if d not in exclude]
+
+        for f in files:
+            if f.endswith(tuple(extensions)):
+                out.append(os.path.join(root, f))
+
+    return out
+
+
+def get_dir_structure(exclude: list[str]=None) -> list[str]:
+    cwd = os.getcwd()
+
+    out = []
+    for root, dirs, files in os.walk(cwd):
+        if exclude is not None:
+            dirs[:] = [d for d in dirs if d not in exclude]
+
+        for d in dirs:
+            if root in out:
+                out.remove(root)
+            out.append(os.path.join(root, d).replace(cwd, ''))
+
+    return out
+
+
+def get_all_files():
+    md_files = get_file_list(['.md', '.markdown'], ['templates'])
+    html_files = get_file_list(['.html'], ['templates'])
+    dirs = get_dir_structure(['templates'])
+
+    return (dirs, md_files, html_files)
diff --git a/src/pyssg/file_discovery.py b/src/pyssg/file_discovery.py
deleted file mode 100644
index 9b3a57d..0000000
--- a/src/pyssg/file_discovery.py
+++ /dev/null
@@ -1,5 +0,0 @@
-import os
-
-
-def get_md_files(directory: str) -> list:
-    return os.listdir(directory)
diff --git a/src/pyssg/parser.py b/src/pyssg/parser.py
new file mode 100644
index 0000000..8b8d108
--- /dev/null
+++ b/src/pyssg/parser.py
@@ -0,0 +1,24 @@
+import os
+from .discovery import get_all_files
+
+
+def create_dir_structure(dirs: list[str]):
+    cwd = os.getcwd()
+
+    for d in dirs:
+        try:
+            os.makedirs(os.path.join(cwd, d[1:]))
+        except FileExistsError:
+            pass
+
+
+def generate_static_site(src: str, dst: str):
+    iwd = os.getcwd()
+
+    os.chdir(src)
+    dirs, md_files, html_files = get_all_files()
+    os.chdir(iwd)
+
+    os.chdir(dst)
+    create_dir_structure(dirs)
+    os.chdir(iwd)
diff --git a/src/pyssg/pyssg.py b/src/pyssg/pyssg.py
index 6d0df3a..7378705 100644
--- a/src/pyssg/pyssg.py
+++ b/src/pyssg/pyssg.py
@@ -1,34 +1,45 @@
 import os
 from argparse import ArgumentParser, Namespace
 
-from .file_discovery import get_md_files
-from .file_structure import create_structure
+from .templates import create_templates
+from .parser import generate_static_site
 
 
 def get_options() -> Namespace:
     parser = ArgumentParser(prog='pyssg',
                             description='''Static Site Generator that reads
                             Markdown files and creates HTML files.''')
-    parser.add_argument('-d', '--directory',
-                        default='.',
+    parser.add_argument('-s', '--src',
+                        default='src',
                         type=str,
-                        help='''root directory for all site files,
-                        defaults to "." (cwd), uses relative or absolute
-                        resolution''')
+                        help='''src directory; handmade files, templates and
+                        metadata directory; defaults to 'src' ''')
+    parser.add_argument('-d', '--dst',
+                        default='dst',
+                        type=str,
+                        help='''dst directory; generated (and transfered html)
+                        files; defaults to 'dst' ''')
     parser.add_argument('-i', '--init',
                         action='store_true',
-                        help='''initialize the directory structure where -d
-                        specifies''')
+                        help='''initializes the dir structure, templates,
+                        as well as the 'src' and 'dst' directories''')
+    parser.add_argument('-b', '--build',
+                        action='store_true',
+                        help='''generates all html files and passes over
+                        existing (handmade) ones''')
 
     return parser.parse_args()
 
 
 def main():
     opts = vars(get_options())
-    directory = opts['directory']
+    src = opts['src']
+    dst = opts['dst']
 
     if opts['init']:
-        create_structure(directory)
+        create_templates(src, dst)
+        return
 
-    os.chdir(directory)
-    root_dir = os.getcwd()
+    if opts['build']:
+        generate_static_site(src, dst)
+        return
diff --git a/src/pyssg/file_structure.py b/src/pyssg/templates.py
index f349fed..9ae2e96 100644
--- a/src/pyssg/file_structure.py
+++ b/src/pyssg/templates.py
@@ -1,13 +1,19 @@
 import os
 
 
-def create_structure(directory: str):
+def create_templates(src: str, dst: str):
     # get initial working directory
     iwd = os.getcwd()
+    print('creating dir structure...')
 
-    # create main dir
-    os.mkdir(directory)
-    os.chdir(directory)
+    # create main dirs
+    try:
+        os.mkdir(src)
+        os.mkdir(dst)
+    except FileExistsError:
+        pass
+
+    os.chdir(src)
 
     # create templates dir
     os.mkdir('templates')
@@ -74,3 +80,4 @@ def create_structure(directory: str):
 
     # return to initial working directory
     os.chdir(iwd)
+    print('done creating dir structure...')