formatting, .gitignore

.gitignore

@@ -0,0 +1,115 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/

objectpath/core/__init__.py

@@ -7,33 +7,42 @@
 from types import GeneratorType as generator
 from itertools import chain
 
-SELECTOR_OPS=["is",">","<","is not",">=","<=","in","not in",":","and","or","fn"]
+SELECTOR_OPS = [
+    "is", ">", "<", "is not", ">=", "<=", "in", "not in", ":", "and", "or",
+    "fn"
+]
 # it must be list because of further concatenations
-NUM_TYPES=[int,float]
+NUM_TYPES = [int, float]
 
-try: NUM_TYPES+=[long]
-except NameError: pass
+try:
+  NUM_TYPES += [long]
+except NameError:
+  pass
 
-STR_TYPES=[str]
+STR_TYPES = [str]
 
-try: STR_TYPES+=[unicode]
-except NameError: pass
+try:
+  STR_TYPES += [unicode]
+except NameError:
+  pass
 
-ITER_TYPES=[list,generator,chain]
+ITER_TYPES = [list, generator, chain]
 
-try: ITER_TYPES+=[map, filter]
-except NameError: pass
+try:
+  ITER_TYPES += [map, filter]
+except NameError:
+  pass
 
 class ProgrammingError(Exception):
-	pass
+  pass
 
 class ExecutionError(Exception):
-	pass
-
-PY_TYPES_MAP={
-	"int":"number",
-	"float":"number",
-	"str":"string",
-	"dict":"object",
-	"list":"array"
+  pass
+
+PY_TYPES_MAP = {
+    "int": "number",
+    "float": "number",
+    "str": "string",
+    "dict": "object",
+    "list": "array"
 }