From ddf87eec2a7bd9c59c5f21e2e37467898f2df9ee Mon Sep 17 00:00:00 2001 From: slashtechno <77907286+slashtechno@users.noreply.github.com> Date: Tue, 4 Jun 2024 09:19:12 -0500 Subject: [PATCH] Create a table --- docker-compose.yml | 5 ++- pdm.lock | 75 +++++++++++++++++++++++++++++++++- pyproject.toml | 1 + src/hello_postgres/__main__.py | 30 ++++++++++++-- 4 files changed, 105 insertions(+), 6 deletions(-) diff --git a/docker-compose.yml b/docker-compose.yml index 5a87bc3..54fd501 100644 --- a/docker-compose.yml +++ b/docker-compose.yml @@ -4,8 +4,9 @@ services: image: postgres:latest ports: - 5433:5432 - volumes: - - ./db-data:/var/lib/postgresql/data + # Disabling persistence to allow for the program to be run multiple times + # volumes: + # - ./db-data:/var/lib/postgresql/data # environment: # POSTGRES_DB: "db" # POSTGRES_PASSWORD: "dbpass" diff --git a/pdm.lock b/pdm.lock index d3a3ffb..2f81d85 100644 --- a/pdm.lock +++ b/pdm.lock @@ -5,7 +5,58 @@ groups = ["default"] strategy = ["cross_platform", "inherit_metadata"] lock_version = "4.4.1" -content_hash = "sha256:dec8a1404247926935fc662d04cb4195826a325ab9e8ff1461512f80878f104d" +content_hash = "sha256:2be337f3deba8cffea31cdbd43024c3db7bed53a688b484b32a3b92c27c530cf" + +[[package]] +name = "asttokens" +version = "2.4.1" +summary = "Annotate AST trees with source code positions" +groups = ["default"] +dependencies = [ + "six>=1.12.0", +] +files = [ + {file = "asttokens-2.4.1-py2.py3-none-any.whl", hash = "sha256:051ed49c3dcae8913ea7cd08e46a606dba30b79993209636c4875bc1d637bc24"}, + {file = "asttokens-2.4.1.tar.gz", hash = "sha256:b03869718ba9a6eb027e134bfdf69f38a236d681c83c160d510768af11254ba0"}, +] + +[[package]] +name = "colorama" +version = "0.4.6" +requires_python = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7" +summary = "Cross-platform colored terminal text." +groups = ["default"] +files = [ + {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"}, + {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"}, +] + +[[package]] +name = "executing" +version = "2.0.1" +requires_python = ">=3.5" +summary = "Get the currently executing AST node of a frame, and other information" +groups = ["default"] +files = [ + {file = "executing-2.0.1-py2.py3-none-any.whl", hash = "sha256:eac49ca94516ccc753f9fb5ce82603156e590b27525a8bc32cce8ae302eb61bc"}, + {file = "executing-2.0.1.tar.gz", hash = "sha256:35afe2ce3affba8ee97f2d69927fa823b08b472b7b994e36a52a964b93d16147"}, +] + +[[package]] +name = "icecream" +version = "2.1.3" +summary = "Never use print() to debug again; inspect variables, expressions, and program execution with a single, simple function call." +groups = ["default"] +dependencies = [ + "asttokens>=2.0.1", + "colorama>=0.3.9", + "executing>=0.3.1", + "pygments>=2.2.0", +] +files = [ + {file = "icecream-2.1.3-py2.py3-none-any.whl", hash = "sha256:757aec31ad4488b949bc4f499d18e6e5973c40cc4d4fc607229e78cfaec94c34"}, + {file = "icecream-2.1.3.tar.gz", hash = "sha256:0aa4a7c3374ec36153a1d08f81e3080e83d8ac1eefd97d2f4fe9544e8f9b49de"}, +] [[package]] name = "psycopg2-binary" @@ -29,6 +80,17 @@ files = [ {file = "psycopg2_binary-2.9.9-cp312-cp312-win_amd64.whl", hash = "sha256:81ff62668af011f9a48787564ab7eded4e9fb17a4a6a74af5ffa6a457400d2ab"}, ] +[[package]] +name = "pygments" +version = "2.18.0" +requires_python = ">=3.8" +summary = "Pygments is a syntax highlighting package written in Python." +groups = ["default"] +files = [ + {file = "pygments-2.18.0-py3-none-any.whl", hash = "sha256:b8e6aca0523f3ab76fee51799c488e38782ac06eafcf95e7ba832985c8e7b13a"}, + {file = "pygments-2.18.0.tar.gz", hash = "sha256:786ff802f32e91311bff3889f6e9a86e81505fe99f2735bb6d60ae0c5004f199"}, +] + [[package]] name = "python-dotenv" version = "1.0.1" @@ -39,3 +101,14 @@ files = [ {file = "python-dotenv-1.0.1.tar.gz", hash = "sha256:e324ee90a023d808f1959c46bcbc04446a10ced277783dc6ee09987c37ec10ca"}, {file = "python_dotenv-1.0.1-py3-none-any.whl", hash = "sha256:f7b63ef50f1b690dddf550d03497b66d609393b40b564ed0d674909a68ebf16a"}, ] + +[[package]] +name = "six" +version = "1.16.0" +requires_python = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*" +summary = "Python 2 and 3 compatibility utilities" +groups = ["default"] +files = [ + {file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"}, + {file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"}, +] diff --git a/pyproject.toml b/pyproject.toml index 4980f83..40678b8 100644 --- a/pyproject.toml +++ b/pyproject.toml @@ -8,6 +8,7 @@ authors = [ dependencies = [ "psycopg2-binary>=2.9.9", "python-dotenv>=1.0.1", + "icecream>=2.1.3", ] requires-python = ">=3.12" readme = "README.md" diff --git a/src/hello_postgres/__main__.py b/src/hello_postgres/__main__.py index a45fc7e..1f3cfb7 100644 --- a/src/hello_postgres/__main__.py +++ b/src/hello_postgres/__main__.py @@ -1,10 +1,33 @@ # https://www.freecodecamp.org/news/postgresql-in-python/ +# https://www.datacamp.com/tutorial/tutorial-postgresql-python import psycopg2 import dotenv -import os +import os +# from icecream import ic + def main(): - cursor = connect().cursor() + print("Connecting to the PostgreSQL database...") + conn = connect() + cursor = conn.cursor() + print("Creating a table") + # SERIAL: auto-incrementing integer + # VARCHAR: variable-length character string + # (50) Set the maximum length of the course_name column to 50 characters. + # UNIQUE: ensure that all values in the course_name column are unique. + # NOT NULL: ensure that the course_name column cannot have NULL values. + # (100) Set the maximum length of the course_instructor column to 100 characters. + # (20) Set the maximum length of the topic column to 20 characters. + cursor.execute("""CREATE TABLE datacamp_courses( + course_id SERIAL PRIMARY KEY, + course_name VARCHAR (50) UNIQUE NOT NULL, + course_instructor VARCHAR (100) NOT NULL, + topic VARCHAR (20) NOT NULL); + """) + print("Committing the table to the database...") + print("Closing the connection adn the cursor...") + cursor.close() + conn.close() # cursor.execute("SELECT * FROM DB_table WHERE id = 1") @@ -19,4 +42,5 @@ def connect(): ) return conn -main() \ No newline at end of file +if __name__ == "__main__": + main() \ No newline at end of file