From 27c0f1936d32ed773f548e4fae7fc86a7aaaddab Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Jure=20=C5=A0orn?= Date: Mon, 23 May 2022 21:12:20 +0200 Subject: [PATCH] CSV --- README.md | 16 ++++++++-------- index.html | 20 ++++++++++---------- 2 files changed, 18 insertions(+), 18 deletions(-) diff --git a/README.md b/README.md index 5a90356..ee6fde4 100644 --- a/README.md +++ b/README.md @@ -1824,12 +1824,12 @@ import csv * **File must be opened with a `'newline=""'` argument, or '\r' will be added in front of every '\n' on platforms that use '\r\n' line endings!** ### Parameters -* **`'dialect'` - Master parameter that sets the default values.** +* **`'dialect'` - Master parameter that sets the default values. String or a dialect object.** * **`'delimiter'` - A one-character string used to separate fields.** * **`'quotechar'` - Character for quoting fields that contain special characters.** -* **`'doublequote'` - Whether quotechars inside fields get doubled or escaped.** -* **`'skipinitialspace'` - Whether whitespace after delimiter gets stripped.** -* **`'lineterminator'` - Specifies how writer terminates rows.** +* **`'doublequote'` - Whether quotechars inside fields are/get doubled or escaped.** +* **`'skipinitialspace'` - Whether whitespace after delimiter gets stripped by reader.** +* **`'lineterminator'` - How writer terminates rows. Reader is hardcoded to '\r', '\n', '\r\n'.** * **`'quoting'` - Controls the amount of quoting: 0 - as necessary, 1 - all.** * **`'escapechar'` - Character for escaping quotechars if doublequote is False.** @@ -1850,16 +1850,16 @@ import csv ### Read Rows from CSV File ```python -def read_csv_file(filename): +def read_csv_file(filename, dialect='excel'): with open(filename, encoding='utf-8', newline='') as file: - return list(csv.reader(file)) + return list(csv.reader(file, dialect)) ``` ### Write Rows to CSV File ```python -def write_to_csv_file(filename, rows): +def write_to_csv_file(filename, rows, dialect='excel'): with open(filename, 'w', encoding='utf-8', newline='') as file: - writer = csv.writer(file) + writer = csv.writer(file, dialect) writer.writerows(rows) ``` diff --git a/index.html b/index.html index 6247cf3..ed7c15d 100644 --- a/index.html +++ b/index.html @@ -54,7 +54,7 @@
- +
@@ -1523,12 +1523,12 @@ CompletedProcess(args=['bc', 'newline=""' argument, or '\r' will be added in front of every '\n' on platforms that use '\r\n' line endings!

Parameters

    -
  • 'dialect' - Master parameter that sets the default values.
    • +
  • 'dialect' - Master parameter that sets the default values. String or a dialect object.
  • 'delimiter' - A one-character string used to separate fields.
  • 'quotechar' - Character for quoting fields that contain special characters.
    • -
  • 'doublequote' - Whether quotechars inside fields get doubled or escaped.
    • -
  • 'skipinitialspace' - Whether whitespace after delimiter gets stripped.
    • -
  • 'lineterminator' - Specifies how writer terminates rows.
    • +
  • 'doublequote' - Whether quotechars inside fields are/get doubled or escaped.
    • +
  • 'skipinitialspace' - Whether whitespace after delimiter gets stripped by reader.
    • +
  • 'lineterminator' - How writer terminates rows. Reader is hardcoded to '\r', '\n', '\r\n'.
  • 'quoting' - Controls the amount of quoting: 0 - as necessary, 1 - all.
  • 'escapechar' - Character for escaping quotechars if doublequote is False.

Dialects

┏━━━━━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━┓
@@ -1546,14 +1546,14 @@ CompletedProcess(args=['bc', Read Rows from CSV File
def read_csv_file(filename):
+
Read Rows from CSV File
def read_csv_file(filename, dialect='excel'):
     with open(filename, encoding='utf-8', newline='') as file:
-        return list(csv.reader(file))
+        return list(csv.reader(file, dialect))
 

 
-
Write Rows to CSV File
def write_to_csv_file(filename, rows):
+
Write Rows to CSV File
def write_to_csv_file(filename, rows, dialect='excel'):
     with open(filename, 'w', encoding='utf-8', newline='') as file:
-        writer = csv.writer(file)
+        writer = csv.writer(file, dialect)
         writer.writerows(rows)
 

 
@@ -2896,7 +2896,7 @@ $ pyinstaller script.py --add-data '<path>:.'